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August 11, 2026 · 8 min read

Business Trip Expenses: How to Claim Everything Back

The money you lose on a work trip is rarely refused. It is the receipts you never kept and the claims you never got round to filing.

Business Trip Expenses: How to Claim Everything Back
Key takeaways
  • Photograph every receipt at the moment of payment. Nothing else works reliably.
  • Record the business purpose while you remember it, not at claim time.
  • Keep personal and company spending separate from the first transaction.
  • File within days. Claim rates fall off a cliff after a week.
On this page
  1. 01The capture rule
  2. 02Record the purpose immediately
  3. 03Separate company from personal at the source
  4. 04What a good claim looks like
  5. 05The currency trap
  6. 06File within days
  7. 07Keep your own copy

Nobody loses money on a business trip because finance rejected a claim. They lose it because a receipt went through the wash, or because filing the claim kept slipping down the list until it felt too late.

This is a system for making the claim nearly automatic.

The capture rule

One rule, no exceptions: photograph the receipt before you put your wallet away.

Not at the end of the day, not at the hotel. At the point of payment, while it is in your hand. Every other approach depends on you remembering later, which is exactly the thing that fails when you are tired and in a different time zone.

This matters more than any app choice. A photograph taken at the table is a valid record forever. A memory of a taxi fare is not.

Record the purpose immediately

The part finance actually queries is not the amount, it is what it was for.

"Dinner, 84.00" gets a follow up. "Client dinner with R. Patel, contract review, 84.00" does not. Write the purpose in the note field at the same moment you take the photo, in six words. It takes seconds then and reconstructs painfully three weeks later.

If the meal included colleagues, note who. Many policies treat a meal with colleagues differently from one with clients, and remembering who was at a dinner in Frankfurt is not a skill anyone has.

Separate company from personal at the source

The most common mess is a trip where personal and business spending are tangled on the same card.

  • Use a different card for business spending if you possibly can
  • If you cannot, tag each expense as you go rather than sorting them later
  • Never put a colleague's personal drink on the company tab and plan to sort it out afterwards
  • Keep the hotel bill itemised, because room service and minibar are usually treated differently from the room

If you are on one card, at least record which card paid so the statement reconciles later. That is covered in tracking which card paid for what.

What a good claim looks like

Most policies want the same five things per line.

FieldExampleWhy it is asked for
Date14 MarchMatches the trip dates
Amount and currency84.00 EURConversion is finance's job, not yours
CategoryClient entertainmentDetermines the tax treatment
PurposeContract review with R. PatelThe audit question
Receipt imagePhoto of the itemised billThe evidence

Give them the original currency rather than converting yourself. Companies convert at a policy rate, and your own conversion just creates a discrepancy for someone to query.

The currency trap

Claiming in your home currency using the rate you saw on the day is a small, persistent way to lose money.

Your card charged you one rate. The company reimburses at another. If you claim a converted figure, you absorb the difference silently. Claim the original amount and let the policy rate apply, which is what it exists for.

File within days

The single biggest predictor of whether an expense gets claimed is how long it sits.

File on the flight home if you can. The evidence is complete, the details are fresh, and the task never enters the pile of things you are avoiding. A claim filed on the plane takes ten minutes. The same claim filed a month later takes an hour and misses items.

Scanning helps here, because it turns a photo into a filled in expense rather than a typing job. See the best apps that scan receipts and the receipt scanner.

Keep your own copy

Submit to the company system, but keep your own record too.

Systems change, employers change, and claims get queried months later. A personal record with the original images costs nothing to keep and occasionally saves a real amount of money. Export it at the end of each trip and file it somewhere durable.

Frequently asked questions

How do you track business trip expenses?

Photograph each receipt at the moment of payment, write the business purpose in a note immediately, keep the original currency, and file the claim within a few days while everything is fresh.

Should you convert currency on an expense claim?

No. Claim the original amount and currency and let your employer apply their policy rate. Converting yourself means you silently absorb the difference between your card's rate and the company's.

What details does an expense claim need?

Date, amount with original currency, category, a short business purpose, and an image of the itemised receipt. The purpose is the field that prevents follow up questions.

How long should you keep business receipts?

Follow your employer's policy, but keep your own copies for at least as long as your local tax authority requires, which is often several years. Keep the original images rather than only the extracted numbers.

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