A Guide to Managing Employee Expenses Internationally

Hiring internationally opens up incredible talent, and a whole new layer of complexity when your employees start spending money on the company's behalf. A meal in Mexico City, a train ticket in London, a co-working day in Toronto: they all look like ordinary expense reports. But the rules that govern how you reimburse a global team, what counts as tax-free, and what documentation you need are set country by country, not by your home office.

If you're used to running expenses under US rules, it's easy to assume the same playbook travels with your team. It doesn't. Let's break down what makes international expense management different, and how to handle it without becoming a tax expert in every country you hire in.

What Is International Expense Management?

International expense management is the process a business uses to review, reimburse, and document out-of-pocket business expenses for employees who work outside your home country. It covers the same everyday costs you already know, like travel, meals, and office supplies, but applies a different set of local rules to each one depending on where the employee is based.

The key difference from domestic expense management is that there is no single rulebook. Each country decides what's reimbursable, how much can be paid tax-free, what proof is required, and even which categories an employee can submit under. With many countries using a value-added tax (VAT) system, that's a lot of variation to keep track of.

Why International Expenses Aren't Just US Expenses Abroad

In the US, expense reimbursement is relatively consistent. As long as expenses meet the IRS's accountable plan rules, reimbursements aren't taxable to the employee. That means three things:

• The expense has a clear business connection

• The employee provides adequate substantiation within a reasonable timeframe

• The employee returns any excess advances promptly

One federal framework, applied fairly uniformly across 50 states. Cross a border and that single framework disappears. The same $40 dinner can be a routine reimbursement in one country and a partially taxable benefit in another. Getting it wrong doesn't just create financial headaches: it can turn tax-free reimbursements into taxable wages, trigger compliance issues, or leave money on the table.

Challenges of Managing Expenses Across Borders

Without a system built for this, international expenses create real friction. Finance teams end up interpreting foreign tax rules they were never trained on, chasing invoices that don't meet local standards, and needing to manually map expenses to the right categories for each country. Every mismatch is a potential compliance gap, or a tax-free reimbursement that quietly becomes taxable.

Most of that complexity comes down to four areas. Here's what changes when you reimburse a global team.

Difference 1: Per Diems and Tax-Free Limits are Set Locally

Many countries define fixed daily allowances for meals and travel that can be reimbursed tax-free. Exceed them, and the difference becomes taxable. A few examples of how much this varies:

• Germany: Uses a structured daily system, roughly €14 for a business trip of more than eight hours and €28 for a full 24-hour day, with mandatory deductions when meals are provided (20% for breakfast, 40% for lunch, 40% for dinner)

• Germany's three-month rule: Tax-free reimbursement is capped at three continuous months of travel to the same location

• United Kingdom: UK’s Revenue and Customs(opens in a new tab) (HMRC) publishes benchmark subsistence rates, but companies can also reimburse actual costs, and anything above the set rates becomes subject to tax and National Insurance

Difference 2: Documentation Standards Are Stricter

In the US, a card statement and a business purpose often suffice. To reclaim VAT in most countries, the bar is higher:

• Valid VAT invoice required: A till receipt or payment confirmation usually isn't enough on its own

• Addressed to the company: In markets like the UK, the invoice must be in the company's name, not the individual employee's

• Complete supplier details: Invoices generally need the supplier's name, address, and VAT registration number to qualify

Difference 3: What's Deductible Changes by Country

The rules aren't just different in degree. They sometimes reverse entirely, so assumptions that hold at home can be exactly wrong abroad. Consider staff versus client entertainment:

Reclaim deadlines shift too. In the UK you generally have four years, while other markets set their own windows, and international travel may require a separate claim in each country where VAT was paid.

Difference 4: Expense Categories Vary by Country

Here's the piece that surprises most employers: the categories your employees can even file an expense under aren't universal.

Because each country sets its own guidelines for what's reimbursable, tax-free, or deductible, the list of expense categories has to reflect local rules, not a single global template. A category that's standard in one country may not exist, or may be treated completely differently, in another. 

That's why a well-built process presents employees with country-appropriate categories from the start:

• No more guesswork: Employees are guided to submit correctly instead of being forced into a US-shaped list

• Less rework for finance: Fewer expenses to reclassify or correct after the fact

• Built-in compliance: Local limits and documentation requirements travel with the category

How the Right System Simplifies International Expenses

The goal is to move all of that intelligence into the process itself, so employees submit correctly and your team can trust what comes through. It helps to keep expenses in the same place as payroll, which lets you:

• Consolidate tools: One place to review requests, store receipts, and pull reports, with no extra integration to manage

• Minimize the risk of error: Local categories and rules built in, so reimbursements stay accurate and compliant

• See spend clearly: One view across every country you employ in, instead of scattered spreadsheets

Managing International Expenses with Justworks

Expanding your team across borders means navigating local per diem, VAT rules, documentation standards, and country-specific categories, all at once. It's exactly the kind of compliance layer that slows growth.

That's where Justworks comes in. With Expenses for Employer of Record (EOR), employees submit expenses under categories tailored to their country's guidelines, so you stay compliant with local rules without becoming an expert in each one. And because expenses live right alongside payroll in Justworks, you consolidate tools, minimize the risk of error, and give your team one familiar place to submit. We handle the complexity underneath, so you can run your global team with confidence.

Want to understand the local rules before you hire? Explore our Global Hiring Guides for country-by-country insights, and get started with Justworks today.