Square Terminal vs Stripe Reader S700: Which UK Card Machine Wins in 2026?
Two strong all-in-one terminals serving very different buyers. Square Terminal is plug-and-play retail and hospitality hardware with a strong ecosystem and a flat 1.75% UK rate. Stripe Reader S700 is the in-person counterpart to Stripe online, sitting inside the Stripe Terminal SDK and best operated by a team that has Stripe developer time. Square wins for off-the-shelf SMB. Stripe wins for hybrid online + in-person merchants already on Stripe.
Quick verdict
Square wins for off-the-shelf SMB. Stripe wins for hybrid online + in-person merchants already on Stripe.
On £20k monthly volume Square lands at roughly £4,349 first-year vs Stripe at parity around £4,529. Higher-volume Stripe accounts can negotiate below this; small accounts won't.
Side-by-side
| Square Terminal | Stripe Reader S700 | |
|---|---|---|
| Manufacturer | Square | Stripe (BBPOS hardware) |
| Acquirer | Square | Stripe |
| Form factor | All-in-one countertop terminal with receipt printer | Touchscreen handheld terminal with built-in receipt printer |
| Connectivity | WiFi, 4G (mid-tier hardware), Bluetooth | WiFi, 4G, Bluetooth |
| Upfront cost | £149 to £199 | £329 |
| Rate | 1.75% per transaction (UK) | Custom (Stripe pricing) |
| Contract length | No contract | Stripe terms |
| Best for | Independent retail; Cafés and small hospitality; Square ecosystem users | Existing Stripe online merchants; Tech-led businesses with developer resource; Hybrid online + in-person |
| Overall rating | 4.1 / 5 | 4.0 / 5 |
| Last reviewed | 2026-04-26 | 2026-04-26 |
When Square Terminal wins
Independent retail and small hospitality wanting to switch on hardware tomorrow. Merchants who want a transparent flat UK rate (1.75%) and no contract. Operators using Square Online, Square Invoices, Square Payroll. The terminal slots into the same backend. Buyers who do not have developer resource and want POS app, receipts, reporting in the same device.
When Stripe Reader S700 wins
Existing Stripe online merchants wanting one stack across web, app and in-person. Tech-led businesses with developer time who want custom checkout flows on the device. Hybrid online + in-person operations that already process through Stripe Connect, Billing or Tax. Operators who want a higher-end touchscreen device and can negotiate a custom Stripe rate at volume.
FAQ
Square Terminal or Stripe Reader S700: which is the better UK card machine in 2026?
Square Terminal scores higher overall in our 2026 review at 4.1 of 5 versus 4.0 for Stripe Reader S700. That said, the right answer depends on what you trade. Square Terminal is the stronger pick for independent retail, while Stripe Reader S700 is the stronger pick for existing stripe online merchants. If your business sits inside one of those use cases, ignore the headline rating and pick the right fit.
What does each contract look like, Square Terminal vs Stripe Reader S700?
Square Terminal runs a no contract contract. Stripe Reader S700 runs a stripe terms contract. Headline transaction rates are 1.75% per transaction (UK) for Square Terminal and Custom (Stripe pricing) for Stripe Reader S700. Hardware cost on Square Terminal is £149 to £199; on Stripe Reader S700 it is £329. Always verify the live commercials before signing because acquirer pricing moves and bespoke rates are common above £20k monthly volume.
Which is weakest for what?
Square Terminal is the wrong answer for £20k+ monthly volume. Stripe Reader S700 is the wrong answer for plug-and-play smb without developer time. If either of those describes your business, look at the side-by-side table for the alternative, or get a quote from our 80+ UK acquirer panel and we will surface the right shortlist.
Can MerchantHQ help me choose between Square Terminal and Stripe Reader S700?
Yes. We are not tied to either acquirer. Our 80+ UK acquirer panel covers every major fintech and bank acquirer in the country. Tell us monthly card volume, sector and any ecosystem you are already inside (Stripe online, PayPal, Tide Business banking, NatWest banking). We match you against the providers most likely to approve and beat your current rate, then stay your named account team for the life of the account.
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Get quotes →Reviewed by Oliver Mackman, Director. Last reviewed: 2026-04-26. Editorial by Best Business Loans Ltd (16833937).