FullContact vs RB2B
FullContact vs RB2B, compared side by side on 21 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: FullContact is on 57/100 and RB2B on 55/100.
Where each one leads
FullContact
- headcount: 61 against 3
- funding raised: $42.0M against $1.5M
- LinkedIn following: 11,866 against 769
RB2B
Leads on none of the measures we hold for both companies.
At a glance
| Measure | FullContact | RB2B |
|---|---|---|
| What it is | Identity resolution platform that unifies and enriches customer data for businesses. | RB2B identifies anonymous website visitors, revealing companies and people to convert them into high-value leads. |
| Category | MarTech, AdTech, Data Enrichment, Identity Resolution | MarTech, AdTech, Sales Intelligence, Lead Generation |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2010 | 2021 |
| Headquarters | Denver, United States | Tel Aviv, Israel |
| Status | Active | Active |
Size, funding and growth
| Measure | FullContact | RB2B |
|---|---|---|
| Employees | 61 | 3 |
| Headcount growthLast 12 months | -17.4% | Not published |
| Total funding | $42.0M | $1.5M |
| Latest round | Series C | Seed |
| LinkedIn followers | 11,866 | 769 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | FullContact | RB2B |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 57/100 | 55/100 |
| Traction | 56/100 | 37/100 |
| Team | 70/100 | 30/100 |
| Community | Not published | 15/100 |
| Search visibility | 32/100 | 31/100 |
| Quality | 58/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (41/100) | D (45/100) |
| Domain ratingLink authority, 0-100 | 74/100 | 75/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | FullContact | RB2B |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | WordPress | Webflow |
| Frameworks | Not detected | Tailwind CSS |
| Analytics | Google Tag Manager, Hotjar | Google Analytics 4, Google Tag Manager, PostHog, Linkedin Insight +1 more |
| Support stack | Not detected | Intercom |
Product and pricing
| Measure | FullContact | RB2B |
|---|---|---|
| Key features | Not published | Identify 70-80% of your website traffic, Get your first leads in under 5 minutes, Filter and Route Hot Leads, Connect and Activate, Integrations with 50+ apps, SOC2 Type II Compliant |
What users say
| Measure | FullContact | RB2B |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 5.0/5 from 1 vote |
| Reddit sentimentThreads we track | Not published | 1 positive, 4 negative across 5 threads |
“using rb2b for lead capture & enrichment... it lets me identify b2b visitors on my shopify site and enrich their data (company, size, etc)....i set it up through the rb2b shopify app and connected it with my crm via”r/shopify
FullContact vs RB2B: common questions
Which is better, FullContact or RB2B?
On our 0-100 score FullContact rates higher (57/100 against 55/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 21 data points above: read the rows that match what you are buying for.
How do FullContact and RB2B compare on the numbers?
FullContact leads on headcount (61 against 3), funding raised ($42.0M against $1.5M), LinkedIn following (11,866 against 769).
What do real users say about FullContact and RB2B?
RB2B: 1 positive and 4 negative mentions across 5 Reddit threads we track, mostly in r/shopify.
Read the full FullContact review and pricing or the RB2B review and pricing. You can also browse other FullContact alternatives we track.

