Square vs SumUp
Square vs SumUp, compared side by side on 19 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: Square is on 67/100 and SumUp on 75/100.
Where each one leads
Square
- agent readiness: 56/100 against 32/100
SumUp
- our overall score: 75/100 against 67/100
- headcount: 3,953 against 55
- funding raised: $60.0M against $10.0M
At a glance
| Measure | Square | SumUp |
|---|---|---|
| What it is | An all-in-one financial services platform providing point-of-sale systems, payment processing, and business management tools. | Point-of-sale and payments platform for small merchants across 36 markets. |
| Category | Fintech, Payments, Fintech & Payments, Digital Payments | Fintech, Payments, SaaS, E-commerce |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2009 | 2012 |
| Headquarters | San Francisco, United States | London, United Kingdom |
| Status | Active | Active |
Size, funding and growth
| Measure | Square | SumUp |
|---|---|---|
| Employees | 55 | 3,953 |
| Total funding | $10.0M | $60.0M |
| Latest round | Series A | Debt Financing |
| Valuation | $30.0M | $8.5B |
| LinkedIn followers | 380 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Square | SumUp |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 67/100 | 75/100 |
| Traction | 52/100 | 59/100 |
| Team | 60/100 | 70/100 |
| Community | 8/100 | Not published |
| Search visibility | 44/100 | 15/100 |
| Quality | 78/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (56/100) | F (32/100) |
| Domain ratingLink authority, 0-100 | 93/100 | 90/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Square | SumUp |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Cloudflare |
| Frameworks | Tailwind CSS | Next.js |
| Payments | Square | Not detected |
What users say
| Measure | Square | SumUp |
|---|---|---|
| Reddit sentimentThreads we track | 0 positive, 2 negative across 3 threads | Not published |
“After two years of processing payments, with zero notice, and zero reason given Square closed our account Saturday in the middle of the day. I wish I could say we are alone, so many folks have posted on the BBB that this makes me think that”r/smallbusiness
Square vs SumUp: common questions
Which is better, Square or SumUp?
On our 0-100 score SumUp rates higher (75/100 against 67/100). 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 19 data points above: read the rows that match what you are buying for.
How do Square and SumUp compare on the numbers?
Square leads on agent readiness (56/100 against 32/100). SumUp leads on our overall score (75/100 against 67/100), headcount (3,953 against 55), funding raised ($60.0M against $10.0M).
What do real users say about Square and SumUp?
Square: 0 positive and 2 negative mentions across 3 Reddit threads we track, mostly in r/smallbusiness.
Read the full Square review and pricing or the SumUp review and pricing. You can also browse other Square alternatives we track.