Best card machine for Market traders and pop-up retail
Outdoor market stalls, pop-up retail, event traders. Volatile flow tied to event days. No fixed location.
Our pick
SumUp Solo or Tap to Pay on iPhone
Acquirer: SumUp
No-contract economics, low hardware cost, 4G connectivity, fast battery turn-around for full event days.
Card machines compared for Market traders and pop-up retail
Headline rate, hardware cost, contract and form factor at a glance, from our full terminal reviews.
| Rank | Terminal | Rate | Hardware | Contract |
|---|---|---|---|---|
| #1 | SumUp Solo Our pick | 1.69% per transaction | £99 to £149 hardware | No contract |
| #2 | Zettle Reader 2 | 1.75% per transaction | £29 to £69 | No contract |
| #3 | Square Terminal | 1.75% per transaction (UK) | £149 to £199 | No contract |
Why this trade matters
- Cashflow shape
- Event-day spikes; quiet between events. Cash a bigger share than for fixed retail.
- Average transaction
- £10 to £40
- Contactless share
- ~70%
Watch outs
- 4G coverage at outdoor markets variable; have a fallback plan.
- Battery life over a 10-hour event day.
- Cash-handling float still required.
Alternatives
Compare picks
How SumUp Solo or Tap to Pay on iPhone stacks up
Related on our sister sites
Need finance for your Market traders and pop-up retail business?
Card flow is the security on which most Market traders and pop-up retail businesses borrow. See our sister site BestBusinessLoans by sector for editorial reviews of UK lenders that fund Market traders and pop-up retail.
Founder & Managing Director, Muswell Rose, founder and PSC of Best Business Loans Ltd
Adam is the founder and managing director of Muswell Rose and a founder of Best Business Loans Ltd, the company behind MerchantHQ. His career runs through insurance, mortgages, commercial finance and fintech lending, including payments and merchant services. He writes the MerchantHQ library.
Last reviewed: 26 April 2026