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Problems We Solve

How Do I Run Bar Tabs Without Keeping Customers' Cards in a Glass Behind the Bar?

Pub bar tabs mean cards in a glass, lost tabs and walkouts. We build tabs opened with a card pre-authorisation, tied to the EPOS and closed at the end.

Updated 3 min readBy SpiderHunts Technologies

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Quick answer — TL;DR

Many pubs still run tabs by holding a customer's card behind the bar, which risks lost cards, forgotten tabs and customers who leave without paying. We set up tabs opened by a card pre-authorisation or a secure card link, tied to the tab in your EPOS, with alerts for tabs still open at closing and a clear record of how each was settled.

A pint glass full of cards

Friday evening. Groups open tabs by handing over a card, which goes in a glass behind the till with a sticky note. At eleven, someone asks to close their tab, and the barman searches the glass for a card with a name that matches a scribbled note. Another customer went home an hour ago and left their card, and their tab, open. Their friend says they will pay tomorrow.

On Saturday morning there are four cards in the glass and two open tabs on the till nobody can match to a person. One card holder rings to cancel their card. One tab is never paid.

Why card-in-a-glass tabs persist

Tabs are good for trade. Groups spend more when they are not paying per round, and regulars like them. The card behind the bar is the pub's security, the only thing stopping someone leaving without paying. It works when the bar is quiet and staff know everyone.

On a busy night it fails. Cards and tabs are matched by names that do not agree, staff change over, and customers forget. Many EPOS systems support tabs, but not a way to secure them without holding the card, unless the payment side is set up to do it.

Staff changeovers are when most of the confusion happens. The person who opened the tab and took the card goes home at nine, and the evening team inherit a glass of cards and a list of tab names they did not create and cannot match to faces.

The trouble with tabs as they are

RiskWhat happens
Lost or mixed-up cardsWrong card charged, or a card missing
Tabs left openUnpaid bills and awkward follow-ups
Cards left overnightCustomers cancelling cards and complaining
Tabs not matched to peopleStaff guessing who ordered what
Handover between shiftsOpen tabs forgotten by the next team

Holding cards also puts responsibility on the pub for something valuable that belongs to someone else, which most licensees would rather not have.

Tabs secured without holding the card

  1. A tab is opened by taking a pre-authorisation on the customer's card through your card terminal or a payment provider such as Stripe, for an amount you set. The customer keeps their card.
  2. Where it suits the group, the customer can open a tab by scanning a QR code at the table and entering a card on their own phone.
  3. The tab is created in your EPOS with the customer's name and a table or description, and drinks are added to it as normal.
  4. If the tab goes above the pre-authorised amount, staff see a prompt to top it up.
  5. When the customer closes, the final amount is charged. At closing time, open tabs are flagged, and any left open can be settled against the pre-authorisation following the terms the customer agreed when they opened it.
  6. Each tab's history, who opened it, what was added, how it was closed, is kept for any query.

What your card terminal and EPOS support matters a lot here. We check what your payment provider allows, and we make sure customers are shown your tab terms when they open one. The terms themselves are yours to decide.

A Friday night of tabs afterwards

A group opens a tab with a tap of a card at the bar and keeps the card. The barman adds rounds to the tab on the till. At eleven they close it and pay. The one group that left without closing is charged at closing time in line with the terms shown when they opened it. There is no glass of cards and no Saturday phone calls.

  • No customer cards kept behind the bar
  • Tabs secured against walkouts
  • Open tabs flagged at closing
  • A clear record of every tab

Is your pub running tabs like this?

  • Customers' cards are kept in a glass or drawer behind the bar.
  • Tabs have been left unpaid when customers went home.
  • Staff struggle to match cards to tabs at closing.
  • Cards have been left overnight or handed to the wrong person.
  • Open tabs are missed when shifts change over.

FAQ

Frequently asked questions

The questions readers ask us after this guide.

Still have a question?

Ask us directly — a senior engineer will get back to you.

Ask about your project

Does my card terminal support pre-authorisations?

Many do, but not all, and your payment provider must allow it for your business. We check before designing anything.

What if a customer disputes a tab charged at close?

A clear record of what was on the tab, and the terms they saw when they opened it, helps. How disputes are handled is between you and your payment provider.

Do I need a new EPOS?

Not usually. We work with your existing EPOS where it supports tabs and outside connections. If it cannot, we tell you what the options are.

What affects the cost?

Your EPOS and payment provider, and whether you want QR tabs opened from customers' phones as well as at the bar.

Keep reading

More on Problems We Solve

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