Circle Internet Group vs Simplex
Circle Internet Group vs Simplex, compared side by side on 16 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: Circle Internet Group is on 27/100 and Simplex on 57/100.
Where each one leads
Circle Internet Group
- agent readiness: 51/100 against 42/100
- headcount: 1,517 against 333
- LinkedIn following: 223,241 against 11,522
Simplex
- our overall score: 57/100 against 27/100
At a glance
| Measure | Circle Internet Group | Simplex |
|---|---|---|
| What it is | Circle Internet Group, Inc. is a payments technology company. Founded by Jeremy Allaire and Sean Neville in 2013, it is currently headquartered in New York City | Simplex provides a secure, global onramp for individuals and businesses to instantly buy cryptocurrency with fiat. |
| Category | Fintech, Payments, Digital Payments, Blockchain | Fintech, Fraud Prevention, Transactions, E-commerce |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | Not published | 2014 |
| Headquarters | Boston, United States | Tel Aviv, Israel |
| Status | Active | Active |
Size, funding and growth
| Measure | Circle Internet Group | Simplex |
|---|---|---|
| Employees | 1,517 | 333 |
| Headcount growthLast 12 months | Not published | +50.5% |
| Total funding | Not published | $8.4M |
| Latest round | Not published | Series A |
| LinkedIn followers | 223,241 | 11,522 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Circle Internet Group | Simplex |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 27/100 | 57/100 |
| Traction | 20/100 | 55/100 |
| Team | 30/100 | 70/100 |
| Search visibility | 20/100 | 31/100 |
| Quality | Not published | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (51/100) | D (42/100) |
| Domain ratingLink authority, 0-100 | 83/100 | 77/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Circle Internet Group | Simplex |
|---|---|---|
| Hosting | Not detected | AWS |
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | Not detected |
| Frameworks | Tailwind CSS, Bootstrap | Jquery, Bootstrap |
| Analytics | Not detected | Google Analytics 4, Google Tag Manager, Segment, Plausible |
| Support stack | Not detected | Zendesk, HubSpot |
| Agentic commerceMachine-readable checkout or agent payment rails | Crypto Payments | Not detected |
Circle Internet Group vs Simplex: common questions
Which is better, Circle Internet Group or Simplex?
On our 0-100 score Simplex rates higher (57/100 against 27/100). 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 16 data points above: read the rows that match what you are buying for.
How do Circle Internet Group and Simplex compare on the numbers?
Circle Internet Group leads on agent readiness (51/100 against 42/100), headcount (1,517 against 333), LinkedIn following (223,241 against 11,522). Simplex leads on our overall score (57/100 against 27/100).
Read the full Circle Internet Group review and pricing or the Simplex review and pricing. You can also browse other Circle Internet Group alternatives we track.