RB2B made visitor identification accessible for B2B teams. You install a pixel, connect Slack, and start seeing names behind your anonymous traffic. For many growth teams, that initial experience feels like unlocking a hidden channel.
Then you hit the limits.
Your match rates hover around 15-20% on Starter and Pro tiers. Your international traffic returns company-level data only because person-level identification covers US visitors exclusively. And once you identify a visitor, you still need separate tools for outreach, website optimization, and attribution.
This guide examines seven RB2B alternatives through the lens of practical fit. Whether you need higher match rates, global coverage, or a complete growth platform that connects visitor identification to your website and campaigns, you’ll find options that match how your team actually works.
Compare RB2B alternatives by identification coverage and what your team can do next
Key Takeaways
- The best RB2B alternative depends on what your team needs most. Some tools focus on identifying more individual visitors, while others focus on company data, sales follow-up, or broader marketing work.
- Choose person-level identification if your sales team needs individual names. This is usually most useful for teams with mostly US traffic.
- Choose company-level identification if you have more international traffic. It gives you broader coverage without relying on individual visitor data.
- Larger sales teams may need more than visitor identification. Account scoring, ad targeting, and sales workflows matter more once your process gets more complex.
- Ploy is a great fit if you want fewer separate tools. It connects visitor identification with your website, SEO, CRM, and ads in one place.
7 Best RB2B Alternatives in 2026
Here’s how the seven RB2B alternatives compare across key features:
| Platform | Match Rate Claim | Geographic Coverage | Person-Level ID | Company-Level ID | Website Platform | Outreach Tools | CRM Sync |
|---|---|---|---|---|---|---|---|
| Ploy | Not disclosed | Global | No | Yes | ✓ (Ploy Web) | ✓ (Built-in) | ✓ HubSpot, Attio, Salesforce |
| Knock AI | 62% | US-focused | Yes | Yes | No | ✓ (Built-in) | ✓ Multiple CRMs |
| Warmly | 15-25% | US-focused | Yes | Yes | No | ✓ (Chat-based) | ✓ HubSpot, Salesforce |
| Clearbit/Breeze | Not disclosed | Global | Limited | Yes | No | Via HubSpot | ✓ HubSpot native |
| ZoomInfo WebSights | Not disclosed | Global | Via database | Yes | No | Via ZoomInfo suite | ✓ Enterprise CRMs |
| Leadfeeder | Not disclosed | Strong EU coverage | No | Yes | No | No | ✓ Multiple CRMs |
| 6sense | Not disclosed | Global | Via intent data | Yes | No | ✓ (ABM platform) | ✓ Enterprise CRMs |
1. Ploy
Ploy does more than tell you which companies visit your site. Ploy Grow identifies visitors, while Ploy Web handles your website and SEO, and Ploy Ads manages campaigns and tracks results.
That means you can identify a company, act on that visit, and see what happens next without moving between several tools.
How Ploy works
Ploy Grow turns anonymous website visits into company accounts through visitor identification. It shows you which companies are visiting, adds useful company details, looks at what they do on your site, and sends the most relevant accounts to your CRM.
Because Ploy Grow connects with Ploy Web and Ploy Ads, that visitor data does not sit in a separate tool. You can use it to adjust website pages, follow up with interested accounts, and connect conversions back to the companies that visited.
Key features
- Visitor identification to show which companies visit your site
- CRM sync with HubSpot, Attio, and Salesforce
- Slack alerts when high-interest accounts visit
- Website personalization based on the company visiting
- Ad tracking that connects campaigns to website visits and conversions
- AEO tools to help your pages appear in AI search results
Ideal fit
Ploy fits teams that want fewer separate marketing tools. Instead of using one tool for your website, another for SEO, another for visitor identification, and another for ads, you can manage those jobs in one place.
Use visitor signals across your whole website growth workflow
Ploy connects identification with page building, SEO, analytics, and outreach so intent does not sit in a silo.
2. Knock AI
Knock AI focuses on identifying more individual website visitors. The company claims a 62% match rate, compared with RB2B’s 40–45% on higher-tier plans.
That makes it most relevant for teams that care about identifying as many US visitors as possible.
How Knock AI works
Knock AI does more than identify visitors. It can also start conversations, book meetings, send follow-ups, and route interested visitors to the right sales rep.
The platform includes:
- Knock Intent: Identifies visitors and shows which ones appear most interested
- Knock Chat: Starts real-time conversations with website visitors
- Knock Routing: Sends qualified visitors to the right sales rep
- Knock Outreach: Handles follow-up after a visitor is identified
Key features
- Person-level identification with a claimed 62% match rate
- Website chat without requiring a form
- Email, chat, and meeting scheduling in one workflow
- Integrations with HubSpot, Salesforce, and Apollo
- Visitor activity tracking to help sales teams prioritize follow-up
Ideal fit
Knock AI fits teams that want to identify more individual visitors and contact them quickly. It works especially well for sales teams that use live chat and want to move website visitors into conversations without waiting for a form submission.
What to consider
The 62% match-rate claim focuses on US traffic, so results may be lower for international visitors. The chat-first setup also works better for teams that have sales reps available to respond quickly.
3. Warmly
Warmly focuses on what happens while someone is still on your website. Instead of identifying visitors for later follow-up, it helps sales teams start conversations in real time.
HubSpot acquired Warmly in July 2026, so the product is now part of HubSpot.
How Warmly works
Warmly identifies website visitors and can start a chat when someone shows interest. The AI handles the first part of the conversation, then a sales rep can step in when needed.
This works best for teams that want to talk to interested visitors while they are still browsing the site.
Key features
- Visitor identification with a 15–25% person-level match rate
- AI chat for website visitors
- Live handoff to a sales rep
- Automatic actions based on visitor activity
- Integrations with Salesforce and HubSpot
Ideal fit
Warmly fits sales teams that want to start conversations with website visitors right away. It is most useful when reps are available to respond quickly and move interested visitors into a sales conversation.
What to consider
Warmly is now owned by HubSpot, so it may become more closely tied to HubSpot over time. Teams using other CRMs should keep that in mind.
It also works best when sales reps are available to respond during live visits.
4. Clearbit (now HubSpot Breeze Intelligence)
Clearbit is now part of HubSpot and its features have been folded into Breeze Intelligence. It helps you identify visiting companies and add more information to the contacts and companies already in your CRM.
How Breeze Intelligence works
Breeze Intelligence shows which companies visit your website and adds details such as company size, industry, and contact information to your HubSpot records.
It works most smoothly for teams already using HubSpot because the data lives inside the same system.
Key features
- Company-level visitor identification
- Contact and company data enrichment
- Built-in HubSpot integration
- Shorter forms using existing contact data
- Company activity signals to help spot interest
Ideal fit
Breeze Intelligence fits teams that already use HubSpot for marketing and sales. It gives you visitor and company data without adding another separate tool.
What to consider
Breeze Intelligence is now tied closely to HubSpot, so it is not a strong fit for teams using Salesforce, Attio, or another CRM.
It also focuses more on adding useful data to existing records than on identifying as many individual website visitors as possible.
5. ZoomInfo WebSights
ZoomInfo WebSights shows you which companies visit your website and connects that activity to ZoomInfo’s contact database.
This gives sales teams a way to move from “this company visited” to finding the right people to contact.
How ZoomInfo WebSights works
WebSights identifies companies visiting your site, then adds company and contact details from ZoomInfo.
Because it sits inside the wider ZoomInfo platform, sales teams can use the same system to identify a company, find relevant contacts, and follow up.
Key features
- Company-level visitor identification
- Access to ZoomInfo’s contact database
- Buying signals based on company activity
- Integrations with Salesforce and HubSpot
- Automatic routing of identified companies to sales teams
Ideal fit
ZoomInfo WebSights fits larger sales teams that already use ZoomInfo or want visitor identification tied closely to contact data.
It is especially useful when your team wants to identify visiting companies and quickly find the right people to contact.
What to consider
ZoomInfo is built more for larger companies, so it can be more expensive and complex than lighter visitor identification tools.
It also makes the most sense if you plan to use other parts of ZoomInfo, not just WebSights on its own.
6. Leadfeeder (formerly Dealfront)
Leadfeeder focuses on identifying companies that visit your website, with especially strong coverage in Europe.
It is a good fit for teams that care about GDPR compliance and want to understand which companies are showing interest.
How Leadfeeder works
Leadfeeder uses IP data and other sources to identify companies visiting your site. It then shows how engaged those companies are based on things like pages viewed, time on site, and repeat visits.
Key features
- Company-level visitor identification
- Strong European coverage
- GDPR-focused data handling
- Visitor activity and engagement tracking
- Integrations with Google Analytics, Salesforce, HubSpot, and Pipedrive
Ideal fit
Leadfeeder fits teams with a lot of European traffic or stricter privacy requirements.
It is especially useful if company-level identification is enough for your sales process and you do not need the name of every individual visitor.
What to consider
Leadfeeder identifies companies, not individual people. If your sales team needs specific contact names, you will need another tool for that.
It is also more focused on European coverage, so US-only teams may find other options better suited to their traffic.
7. 6sense
6sense goes beyond basic visitor identification. It helps larger B2B teams see which companies are showing interest, understand where they are in the buying process, and decide how to reach them.
How 6sense works
6sense identifies companies visiting your website and combines that activity with other buying signals.
It then helps your team spot which accounts are more likely to buy, prioritize them, and target them across sales and advertising.
Key features
- Company-level visitor identification
- Buying signals from website activity and other sources
- Account scoring to help teams prioritize follow-up
- Advertising to target accounts
- Integrations with major CRM and marketing tools
Ideal fit
6sense fits larger companies with established sales and marketing teams.
It is a better match for businesses running account-based marketing programs than for teams that only need simple visitor identification.
What to consider
6sense is more complex than most RB2B alternatives. It usually requires more setup, budget, and ongoing management.
Smaller teams that mainly want to identify website visitors may find a simpler tool easier to use.
Final Verdict
The best RB2B alternative depends on what you need after a visitor is identified. Some teams want higher person-level match rates. Others care more about live chat, stronger international coverage, or deeper sales intelligence.
Tools like Knock AI, Warmly, Leadfeeder, and 6sense each make sense for specific use cases. The bigger question is how much extra work sits between identifying a visitor and actually doing something with that information.
That is where Ploy takes a broader approach. Visitor identification sits alongside your website, SEO and AEO, CRM sync, and ads, so the data can feed directly into the rest of your marketing instead of living in a separate tool. You can see which companies are visiting, send relevant accounts to your CRM, adjust website experiences, and connect campaigns back to results from the same platform.
For teams trying to simplify their setup, that can matter more than chasing the highest match-rate claim. The right choice is the one that helps you turn website interest into action with the least extra work.
Frequently Asked Questions
How do I measure the value of visitor identification?
Look beyond how many visitors a tool identifies. Count the extra tools and work you need after that, such as CRM updates, website changes, follow-up, and ad tracking. Ploy brings visitor identification, website tools, SEO, CRM sync, and ads into one place, which can reduce that extra work.
What match rate should I expect?
Match rates depend on the tool and where your traffic comes from. RB2B reports lower rates on its lower tiers and higher rates on premium plans, while Knock AI claims a 62% match rate for US traffic. Company-level tools often identify more visits, but they do not give you individual names.
How long does it take to switch from RB2B?
For simpler tools, switching usually means replacing the tracking pixel and reconnecting your CRM or alerts. More complex setups can take longer. Ploy keeps setup simpler by connecting visitor identification with the rest of your website and marketing tools.
Can I use visitor identification with my current website?
Yes. Most tools work by adding a tracking script to your existing site. The main difference is what happens after a visitor is identified. With separate tools, you may still need to move data between your website, CRM, SEO tools, and ad platforms. Ploy keeps those pieces connected in one place.
How does visitor identification work with GDPR?
It depends on how the tool identifies visitors and what data it collects. Company-level identification and person-level identification follow different rules, especially in Europe. Check each provider’s privacy setup, consent requirements, and regional coverage before choosing a tool.
Put visitor identification to work in Ploy
Use Ploy to identify interested companies and turn their website activity into timely growth actions.