10 Best Identity Resolution Software and Tools for B2B Data Matching
Adam Hossain
Published September 27, 2026
19 min


Complete Agentic Email Outreach
AI agents find and enrich prospects, personalize emails, follow up, handle replies, and book meetings automatically.
Claim Your FREE Credits
Your CRM may show the same buyer twice, attach a lead to the wrong company, or miss activity spread across sales and marketing tools. That confusion makes your pipeline harder to trust.
Salesforce’s 2025 State of Data and Analytics research found that data and analytics leaders estimated 26% of their organizations’ data was untrustworthy. This reflects overall data quality, not identity-matching errors.
Identity resolution software helps you connect fragmented person and company records before you act on them confidently.
In this guide, you’ll learn:
- How ten B2B tools compare on matching, use cases, and pricing.
- How identity matching works across people and accounts.
- How to test tools before choosing one.
Identity Resolution Software: Comparison Table
Not every identity resolution tool solves the same data problem. Some match people and companies across your CRM, while others build identity graphs, manage master records, identify website visitors at the account level, or prepare resolved data for sales outreach.
Before comparing these 10 platforms, identify where your data breaks down and what you need to fix. Oppora, for instance, supports data enrichment and outreach after identity resolution rather than replacing a dedicated identity-matching engine.
Note: Pricing and capabilities may vary by plan, data volume, and implementation requirements. Verify current product details with each vendor before making a decision.
10 Best Identity Resolution Software and Tools for B2B Teams
These 10 platforms address different B2B data challenges, from identity matching and account identification to downstream sales activation. Compare their capabilities, practical workflows, implementation needs, pricing, user ratings, pros, and cons to find the right fit for your team.
1. Oppora

Oppora helps you turn resolved B2B records into verified, outreach-ready profiles. Unlike traditional identity resolution software, it focuses on data enrichment, verification, prospect research, and sales activation rather than enterprise identity matching.
B2B Data Enrichment and Verification
Even after resolving duplicate contacts, your CRM may contain outdated job titles, missing email addresses, or incomplete company information.
Oppora helps you enrich business contact details, verify emails, research prospects, and identify relevant buying signals before starting outreach.
You can use this information to personalize your sales approach without relying on incomplete or outdated records.
Practical Sales Activation Workflow
Suppose your sales team has 500 qualified CRM contacts after resolving duplicates and confirming their company relationships.
With Oppora, you can prepare these contacts for multichannel outreach through a single workflow:
- Import your 500 resolved contacts and enrich missing business information.
- Verify email addresses and research relevant buying signals.
- Personalize messages based on each prospect's role and company.
- Create automated email and LinkedIn sequences, including connection requests, messages, and follow-ups.
This helps you move from resolved CRM records to coordinated sales outreach without manually managing every step.
Pricing and Best For
Oppora offers four pricing plans:
- Free: Limited credits for testing.
- Pro: $34/month with 5,000 enrichment and verification credits each.
- Max: $79/month with 10,000 enrichment and verification credits each.
- Enterprise: From $499/month for larger teams.
Best for B2B sales teams enriching, verifying, and contacting prospects after identity resolution.
User Rating, Pros and Cons
User Rating: 4.5/5 on G2.
Pros:
- Combines enrichment, verification, and multichannel outreach in one workflow.
- Users appreciate its ease of use and centralized prospecting capabilities.
Cons:
- Not a replacement for dedicated identity resolution or enterprise MDM.
- Credit limits can restrict larger campaigns, while some users report a learning curve during setup.
2. Leadspace

Leadspace helps you match individuals and companies across fragmented B2B revenue data. It connects CRM, marketing, and external records to improve lead-to-account assignment and maintain consistent customer information.
Person and Company Identity Matching
Leadspace uses business emails, company identifiers, websites, and other supporting attributes to connect incoming leads with existing CRM records.
It also supports company hierarchies, helping you distinguish parent organizations, subsidiaries, and regional offices when assigning leads to accounts.
Practical Lead-to-Account Matching Workflow
Suppose a webinar registration lists ABC Technologies, while your CRM contains ABC Tech Inc.
You can use Leadspace to compare company identifiers, websites, and organizational relationships before associating the new contact with the correct account.
Once matched, your team can apply existing ownership rules and route the lead without creating an unnecessary duplicate account.
Pricing and Best For
Leadspace's enterprise identity-resolution platform requires a custom quote. Its separate Sidekick product starts at $49/user/month, billed annually, but this subscription does not replace enterprise identity-resolution licensing.
Best for B2B revenue teams managing fragmented person and company records across CRM and marketing systems.
User Rating, Pros and Cons
User Rating: 4.3/5 on G2 .
Pros:
- Supports person and company matching across multiple data sources.
- Helps improve lead-to-account assignment and CRM consistency.
- Users appreciate its data quality and responsive customer support.
Cons:
- Some users report inconsistent account matching and manual adjustments.
- Enterprise implementation requires planning, while pricing needs a custom quote.
3. Salesforce Data 360

Salesforce Data 360 helps you connect customer and account information across Salesforce applications and external data sources. Its configurable identity rules create unified profiles while preserving original records and their relationships.
Customer Identity and Account Unification
You can configure matching rules using email addresses, phone numbers, CRM identifiers, and other customer attributes.
Data 360 connects matching individual and account records into unified profiles without deleting their original source information.
Practical Salesforce Matching Workflow
Suppose a customer appears in Sales Cloud, marketing automation, and customer support under three different record IDs.
You can map these records into Data 360 and configure identity rules to connect them using shared identifiers.
Your authorized sales and service teams can then access the unified profile to review customer interactions and coordinate follow-ups without switching between disconnected records.
Pricing and Best For
Salesforce offers usage-based pricing starting at $500 per 100,000 Flex Credits. Profile-based pricing starts at $240 per 1,000 profiles annually.
Your actual costs depend on data processing, identity resolution, integrations, and implementation requirements.
Best for organizations already using Salesforce that need customer and account unification across multiple systems.
User Rating, Pros and Cons
User Rating: 4.2/5 on G2 .
Pros:
- Integrates with Salesforce applications and supported external data sources.
- Configurable matching rules help create unified customer and account profiles.
- Users appreciate its cross-platform integration and unified customer insights.
Cons:
- Data mapping and identity-rule configuration require technical expertise.
- Consumption-based pricing can make costs difficult to predict.
4. Adobe Real-Time CDP B2B Edition

Adobe Real-Time CDP B2B Edition helps you connect people, business accounts, and engagement data across multiple systems. It creates unified profiles so your marketing team can understand how different stakeholders engage with your brand.
Person and Account Identity Resolution
Adobe connects individual profiles with business accounts using identity rules, account hierarchies, and person-to-account relationships.
You can combine CRM records, website interactions, email engagement, and campaign data to identify known stakeholders within the same organization and build targeted audiences.
Practical Account-Based Marketing Workflow
Suppose a procurement manager downloads your pricing guide, an IT director attends your webinar, and a finance executive engages with your email campaign.
Adobe can connect these known interactions to the same business account when the underlying identities and relationships are established.
Your marketing team can then review account engagement, identify relevant buying-group members, and coordinate personalized campaigns across channels.
Suggested Reading:
15 Account-Based Prospecting Platform for Better TargetingPricing and Best For
Pricing: Custom enterprise pricing based on profile volume, selected package, and additional capabilities.
Best for large B2B marketing teams managing multiple stakeholders, account relationships, and cross-channel campaigns.
User Rating, Pros and Cons
User Rating: 4.1/5 on G2 for Adobe Real-Time CDP overall, not specifically its B2B Edition.
Pros:
- Connects person and account profiles for account-based marketing.
- Supports audience segmentation and cross-channel activation.
- Users appreciate unified customer data and Adobe ecosystem integration.
Cons:
- Initial setup and data mapping require technical expertise.
- Enterprise licensing and implementation can be expensive.
5. Hightouch

Hightouch helps you match customer records directly within your existing cloud data warehouse. Instead of moving fragmented data into another platform, you can connect identifiers across CRM, billing, product, and marketing datasets to build unified customer profiles.
Identity Graphs and Matching Rules
Hightouch uses configurable matching rules to connect related records into an identity graph.
You can use deterministic matching for shared identifiers, such as email addresses and customer IDs, or probabilistic matching when records contain incomplete or inconsistent information.
The resulting identity graph helps you maintain consistent customer profiles across connected business systems.
Practical Warehouse Matching Workflow
Suppose your Snowflake warehouse contains separate CRM, product-usage, billing, and marketing tables for the same customers.
With Hightouch, you can:
- Connect relevant tables and configure matching rules using shared identifiers.
- Review matching results and create unified customer profiles.
- Make resolved profiles available to your CRM, marketing, and analytics tools.
Pricing and Best For
Pricing: Free plan available; Starter costs $350/month and Pro costs $800/month. Identity resolution requires a custom-priced Business plan.
Best for data teams using cloud warehouses that need configurable identity matching and downstream data activation.
User Rating, Pros and Cons
User Rating: 4.6/5 on G2 .
Pros:
- Warehouse-native identity resolution with configurable matching rules.
- Supports unified customer profiles and downstream data synchronization.
- Users appreciate its intuitive interface and integration capabilities.
Cons:
- Requires existing warehouse infrastructure and technical configuration.
- Implementation effort and usage-related costs may increase with data volume.
6. 6sense

6sense helps you identify business accounts visiting your website and understand their buying signals. Unlike traditional person-level identity resolution software, it focuses on account identification and buying-group intelligence to help your team prioritize prospecting.
Account Identification and Buying Signals
6sense connects website activity, company intelligence, and third-party intent signals to identify organizations researching your products or services.
You can review account engagement, relevant research topics, and known buying-group members without assuming every anonymous website visitor has been personally identified.
Suggested Reading:
15 Buyer Intent Signals B2B Sales Teams Should WatchPractical Account Intelligence Workflow
Suppose several website sessions associated with a target company include visits to your product and comparison pages.
With 6sense, you can:
- Review the company's website engagement and buying signals.
- Check your CRM for existing contacts and relevant decision-makers.
- Prioritize further research and prepare outreach based on account-level interests.
This helps you identify potential opportunities without incorrectly attributing anonymous activity to specific employees.
Pricing and Best For
6sense does not publish fixed subscription prices. According to Vendr's 2026 purchasing data, the median contract costs approximately $62,440/year, with recorded prices ranging from $11,376 to $176,809/year.
Actual pricing depends on your selected package, data requirements, and contract terms.
Best for B2B sales and ABM teams using account identification and buying signals to guide prospecting.
User Rating, Pros and Cons
User Rating: 4.0/5 on G2 for 6sense Sales Intelligence.
Pros:
- Identifies business accounts and provides relevant buying signals.
- Helps you research buying-group members and prioritize account outreach.
- Users appreciate its intent data and account insights. 2026-09-24-g2-com-reviews6sense.md
Cons:
- Account identification does not reveal every anonymous visitor's identity.
- Some users report inconsistent contact data and a learning curve.
7. Demandbase

Demandbase helps you identify companies visiting your website and connect their activity with existing CRM accounts. Its account-based marketing platform turns website engagement into actionable account insights without requiring every visitor to identify themselves.
Website-to-Account Matching
Demandbase uses website activity and account-identification signals to associate anonymous traffic with business organizations.
You can connect identified companies with existing CRM accounts and review which product, integration, or pricing pages attract their attention. This helps you understand account-level interest without assuming you know which employee visited.
Practical Website Account Identification Workflow
Suppose several website visits are associated with ABC Technologies, including visits to your product, integration, and pricing pages.
With Demandbase, you can:
- Identify the organization associated with eligible website activity.
- Match the identified company with its existing CRM account.
- Review account engagement and coordinate targeted ABM campaigns.
Your marketing team can then personalize account-level advertising and coordinate follow-ups with known contacts.
Pricing and Best For
Demandbase offers custom pricing. Vendr reports a median annual contract value of $68,591, with observed contracts ranging from $24,000 to $164,265. These figures cover Demandbase purchases rather than a fixed Demandbase One subscription.
Best for B2B marketing teams connecting website engagement with target-account identification and ABM campaigns.
User Rating, Pros and Cons
User Rating: 4.4/5 on G2 for Demandbase One.
Pros:
- Connects website activity with identifiable business accounts.
- Supports CRM account matching and account-based campaign activation.
- Users appreciate its account insights and audience-targeting capabilities.
Cons:
- Company identification does not reveal every anonymous visitor's identity.
- Custom enterprise pricing and implementation requirements need evaluation.
8. Reltio

Reltio helps you resolve inconsistent person and company records across CRM, ERP, billing, and other enterprise systems. Its cloud-based master data management (MDM) platform creates trusted business records while preserving relationships between separate entities.
Entity Matching and Master Records
Reltio uses exact and fuzzy matching to identify duplicate records across different data sources.
You can configure matching and survivorship rules to create trusted master records while maintaining company hierarchies and relationships between parent organizations, subsidiaries, and branches.
Practical Enterprise MDM Workflow
Suppose ABC Technologies appears under different names across your CRM, ERP, and billing systems. Your records also include a separately registered subsidiary.
With Reltio, you can:
- Compare company identifiers and identify genuine duplicate records.
- Merge confirmed duplicates while preserving the subsidiary as a separate entity.
- Apply survivorship rules to establish trusted company information.
- Make approved master records available across connected business systems.
Pricing and Best For
Pricing: Reltio for B2B is listed at $15,600/month for a one-month contract on AWS Marketplace. Actual enterprise pricing varies by contract duration, committed units, and additional infrastructure costs.
Best for large organizations managing complex customer, company, and organizational relationships across enterprise systems.
User Rating, Pros and Cons
User Rating: 3.3/5 on G2 for Reltio Connected Data Platform.
Pros:
- Configurable entity matching and master-record management.
- Supports complex business relationships and company hierarchies.
- Users appreciate its flexibility and customization options.
Cons:
- Requires technical expertise for matching rules and governance.
- Enterprise implementation and licensing can be complex.
9. RudderStack Profiles

RudderStack Profiles helps you connect customer identifiers and interactions across product, event, and CRM data. Unlike Hightouch, its identity-stitching workflow emphasizes linking user identifiers and behavioral events to build unified customer profiles in your warehouse.
Customer Identity Stitching
RudderStack Profiles connects application user IDs, business emails, CRM identifiers, and event data through identity stitching.
You can link interactions belonging to the same individual while keeping separate employees within one company distinct. This helps you understand each customer's activity across different systems.
Practical Customer Profile Workflow
Suppose a SaaS user initially appears under an application user ID. Later, they submit their business email and become a known CRM contact.
With RudderStack Profiles, you can:
- Connect the application user ID with the verified business email.
- Link relevant product interactions and CRM records using shared identifiers.
- Build a unified customer profile in your warehouse.
- Use that profile to support personalized onboarding and customer engagement.
Pricing and Best For
RudderStack offers a Free plan and Growth starting at $265/month. However, Profiles and identity resolution require a custom-priced Enterprise plan.
Your total costs may also include warehouse processing, data storage, and implementation.
Best for technical teams managing product events, customer identifiers, and warehouse-based customer profiles.
User Rating, Pros and Cons
User Rating: 4.7/5 on G2 for RudderStack overall; a separate Profiles rating is unavailable.
Pros:
- Connects customer identities across product events and CRM records.
- Creates unified customer profiles within your existing warehouse.
- Users appreciate its straightforward setup and data integrations.
Cons:
- Requires reliable identifiers and technical configuration.
- Profiles require enterprise licensing and suitable warehouse infrastructure.
10. Informatica MDM

Informatica MDM helps you resolve duplicate and inconsistent business records across enterprise systems. Unlike platforms focused mainly on entity matching, it combines identity resolution with data-quality controls, governance, and trusted master-record management.
Record Matching and Data Governance
Informatica uses configurable matching rules, duplicate detection, and merge review to maintain consistent customer and company records.
You can define trusted data sources and survivorship rules to determine which information becomes part of each master record.
Its governance workflows also help your team review uncertain matches and prevent incorrect merges.
Practical Enterprise Data Quality Workflow
Suppose your CRM, ERP, billing, and support systems contain conflicting customer names, addresses, and business identifiers.
With Informatica MDM, you can:
- Identify suspected duplicates using configurable matching rules.
- Review conflicting identifiers and send uncertain matches for manual approval.
- Select trusted sources for company names, addresses, and other master attributes.
- Synchronize approved master records across connected enterprise systems.
This helps you maintain consistent customer information without losing important source history.
Pricing and Best For
Pricing: Informatica Multidomain MDM Cloud Edition is listed at $699,000/year for up to 3 million unconsolidated records on AWS Marketplace. Other configurations require a custom quote.
Best for large organizations managing enterprise data quality, governance, and master records across multiple systems.
User Rating, Pros and Cons
User Rating: 4.1/5 on G2.
Pros:
- Configurable record matching, deduplication, and merge review.
- Strong data-quality controls and master-data governance.
- Users appreciate its unified data management and matching capabilities.
Cons:
- Requires technical expertise and ongoing governance resources.
- Enterprise licensing and implementation can be expensive.
How Identity Resolution Software Matches B2B Data
Identity resolution software compares identifiers across fragmented records to determine which contacts and companies represent the same entity.
It then connects verified matches, preserves business relationships, and creates unified profiles for your CRM and other systems.
B2B Identity Resolution vs Consumer Identity Resolution
Consumer identity resolution connects individual customers across devices, transactions, and digital interactions. B2B identity resolution must also establish employment relationships, company hierarchies, and buying-group connections.
According to Gartner's 2025 research, B2B buying groups range from 5 to 16 people across as many as four business functions.
For instance, identifying someone across two devices differs from confirming their current employer and assigning them to the correct CRM account.
Match the Same Person Across Multiple Systems
Your CRM might list Robert Williams, while your event registration system contains Bob Williams.
Identity resolution tools compare business emails, CRM IDs, phone numbers, and external identifiers to determine whether both records belong to the same person.
Matching names alone can create incorrect identity relationships, particularly when multiple people share similar names.
Resolve Company Records and Account Hierarchies
Matching companies requires comparing business domains, normalized names, addresses, registered identifiers, and organizational relationships.
Suppose ABC Technologies owns ABC Technologies UK. Both businesses might share branding and website domains but operate as separate legal entities.
Your matching rules should preserve their parent-subsidiary relationship rather than merging both into one company record.
Compare Deterministic and Probabilistic Matching
Different matching methods help you decide which records should be connected.
- Deterministic matching: Links records using strong shared identifiers, such as verified customer IDs.
- Probabilistic matching: Evaluates multiple supporting attributes and assigns confidence scores when exact identifiers are missing.
Configure your matching thresholds to automatically link strong matches, review uncertain results, and reject conflicting identities.
This reduces false positives without overlooking genuine matches.
Create an Identity Graph and Golden Record
After matching, an identity graph connects related identifiers, while survivorship rules select preferred values for a trusted master record.
Suppose your CRM lists a contact as VP of Sales, but newer verified employment data identifies them as CRO.
You can retain the current title based on source reliability, verification dates, and review rules while preserving their previous title as historical information.
Practical B2B Identity Resolution Workflows
Once your records are matched, the next step is putting that information to work. Resolved identities help you prevent duplicate outreach, assign leads correctly, understand account engagement, and prepare accurate prospect profiles.
Clean Duplicate CRM Contacts Before Outreach
Suppose your CRM contains 1,000 contacts, including suspected duplicates. Sending campaigns without cleaning these records could result in multiple messages reaching the same person.
Before outreach, you should:
- Compare suspected duplicates using stable identifiers and review uncertain matches.
- Merge confirmed duplicates while preserving contact history and previous interactions.
- Track confirmed duplicates, records requiring manual review, and duplicate outreach attempts prevented.
For instance, if your audit confirms 80 duplicate records and flags 20 for manual review, you can measure how many unnecessary outreach attempts your cleanup prevents.
These figures are illustrative, not industry benchmarks.
Route Resolved Leads to the Correct CRM Account
After identity matching, associate incoming leads with their verified company records rather than creating new accounts unnecessarily.
Suppose a prospect works for a subsidiary of an existing customer. Your CRM should assign that lead according to the subsidiary's account ownership and territory rules.
This preserves parent-child relationships and prevents incorrect lead assignments.
Connect Website Activity to Target Accounts
Account identification helps you associate eligible website activity with known business organizations.
Suppose a target company repeatedly visits your product and pricing pages. Your marketing team can review its existing CRM account, examine engagement patterns, and coordinate follow-ups with known contacts.
However, account-level activity does not identify which employee visited anonymously.
Enrich and Verify Resolved Profiles Before Outreach
Even correctly matched contacts may have outdated job titles, missing emails, or incomplete buying information.
According to Salesforce's 2026 State of Sales research, sales representatives spend only 40% of their time selling.
To prepare resolved prospects efficiently, follow this workflow:
Resolved account → qualified contact → enrichment → email verification → buying-signal research → personalized outreach.
You can use Oppora to manage these downstream enrichment, verification, and outreach activities after identity resolution.
Suggested Reading:
13 Cheapest Email Verification Tools That Don't Sacrifice AccuracyHow to Choose and Test Identity Resolution Software
Choosing identity resolution software requires more than comparing features. You need to test how accurately each platform matches your actual business records and how easily those results fit your existing workflows.
Define the Identity Problem First
Start by identifying where your data breaks down.
If your CRM contains duplicate contacts, evaluate person-matching capabilities. For anonymous company-level website traffic, assess account-identification tools.
If customer data already resides in your warehouse, consider warehouse-native identity resolution. Enterprise MDM is relevant when you need governed master records across multiple systems.
Build a Controlled Matching Test
Start with 200–500 manually reviewed record pairs as a practical pilot, not a universally sufficient sample.
Include:
- Confirmed duplicates and known non-matches.
- Job changes, similar company names, and subsidiaries.
- Records containing missing or conflicting identifiers.
Run identical records through each shortlisted platform. Compare correct matches, incorrect links, missed matches, unresolved records, and account-assignment errors.
Measure Match Precision and Recall
Consider a hypothetical test containing 100 actual matching pairs. A platform correctly identifies 80 but proposes 10 incorrect matches.
Its precision is 88.9%, while recall is 80%. These are illustrative results, not vendor performance figures.
More matches do not necessarily mean better accuracy, especially when incorrect relationships affect CRM records.
Measure Implementation and Manual Work
Track implementation hours, manual-review time, incorrect merge corrections, synchronization errors, and account-routing effort.
Compare how quickly each platform makes verified records available to your sales and marketing teams.
Check Data Ownership, Privacy, and Integration
Salesforce's 2025 State of Data and Analytics research found that 54% of surveyed business leaders were not fully confident they could access the data they needed.
Before purchasing, verify data storage, access permissions, CRM integration, deletion handling, consent requirements, retention policies, and data residency.
Also confirm whether incorrect merges can be reversed while preserving original records and historical relationships.
Conclusion
Choosing identity resolution software starts with understanding your data challenges. Do you need to match duplicate contacts, connect company records, or improve account assignment?
Shortlist platforms based on your specific use case, then test them using real business records. Compare matching accuracy, implementation requirements, and how easily resolved data fits into your existing workflows.
But accurate identity matching is only the beginning. Your sales team still needs complete contact information and relevant buying context before starting outreach.
Once your prospect identities and account relationships are resolved, you can explore Oppora to enrich profiles, verify emails, research buying signals, and automate personalized outreach.
Frequently Asked Questions (FAQs)
How often should you run identity resolution on your B2B data?
You should run identity resolution whenever new contacts enter your CRM or existing records change. Schedule regular checks based on your data volume and update frequency. Continuous or event-triggered matching helps prevent duplicate records from accumulating between periodic data-cleaning activities.
Can identity resolution software identify someone who changes companies?
Identity resolution software can connect historical and current records when reliable identifiers support the match. However, you should verify the person's new employer before updating their account relationship. Preserve their previous employment history rather than merging records belonging to two separate companies.
What happens when identity resolution software incorrectly merges two contacts?
An incorrect merge can combine unrelated contact details, account relationships, and interaction histories. If your platform supports reversible merges, you can separate the records and restore their original information. Review the matching rules that caused the error before processing similar records again.
Does identity resolution software require you to move all your customer data into one database?
No. Some platforms process data within your existing warehouse, while others connect records across integrated systems. Your deployment requirements depend on the platform's architecture, supported data sources, and whether it needs to store unified profiles separately.
Can you use multiple identity resolution tools together?
Yes. You might use enterprise MDM to maintain trusted company records, a CDP to connect customer interactions, and an account-identification platform to understand website engagement. Establish consistent identifiers and data ownership rules so these systems do not create conflicting customer profiles.
Summarize with AI
Share




