Expense management for small businesses: cards, receipts and rules that work

Expense management is three habits: give people the right card, collect the receipt at the moment of spend, and approve before money leaves. Here is how to set them up.

William Sunjo M.Operations and compliance editor

Published: 9 June 2026
Reading time: 2 min read

"Expense management software for small business" is searched by founders the month after someone asks, "Who bought this?" and nobody knows. Software helps, but the habits matter more than the tool.

The three habits

The right card in the right hands. One card per person, or per vendor, with a limit that fits the job.
The receipt at the moment of spend. A photo or forwarded email when the payment happens, not a shoebox at month end.
Approval before money leaves for anything large or unusual; a quick review after for routine spend.

Cards, not reimbursements

Personal cards reimbursed later cost employees cash flow and give finance no control until it is too late. Shared company cards are worse: no one knows who spent what. Issue cards:

Card	Limit	Example
Per employee	Monthly limit by role	Travel, meals, small purchases
Per vendor	Matches the subscription	One card for each SaaS tool
Per ad account	Matches the campaign budget	One card per Meta or Google account

A vendor card makes cancelling a tool a one-click freeze. The corporate cards for startups guide covers how to choose.

A one-page expense policy

What people can spend on, and what needs approval first
Limits by category
Receipts required within a set time, for example 48 hours
What is never allowed, such as personal purchases on company cards

The records tax authorities expect

For each expense, keep the receipt, date, amount, supplier and business purpose. In the US, reimbursements under an accountable plan, with substantiation and return of excess amounts, are not taxed as wages. HMRC has similar rules for employers in the UK. Ask your accountant how long to keep records where you file.

What to look for in software

Card issuing with per-card limits and instant freeze
Receipt capture by photo or email
Approval rules by amount and category
Sync to your accounting software
Spend in several currencies without converting twice

On Rivet

Rivet includes unlimited digital cards on every plan, each with its own limit. Receipts, categories and approvals sit on the card charge itself, in the same workspace as your USD, EUR and GBP balances. Physical cards come with Growth. See Expense management and Cards.

Questions people ask

What is expense management?

The process a business uses to control, record and reimburse spending by its team: who can spend, on what, up to how much, how receipts are collected, and how the spending reaches the accounts.

What is the difference between expense management and spend management?

Expense management usually means employee expenses and reimbursements. Spend management is broader: cards, subscriptions, vendor bills and approvals before money leaves. Modern tools combine both.

What records do I need to keep for business expenses?

For each expense: the receipt or invoice, the date, the amount, the supplier and the business purpose. Tax authorities such as the IRS and HMRC expect records that support each deduction, kept for several years.

Should employees use personal cards and claim back?

It works for occasional costs. For regular spend, it costs employees cash flow, delays records and makes control harder. Company cards with limits per person are cleaner.

Sources

Written by

William Sunjo M.

Operations and compliance editor

William covers what happens once a company starts moving money: getting the business verified, paying contractors and suppliers abroad, and keeping card spend under control. William writes for the founder or finance lead who has to make it work this week, and links every rule cited to the text it comes from.