Negotiating Your Expat Compensation Package: What to Ask For and Why

Accepting an international assignment without fully understanding — and negotiating — your compensation package is one of the most common expensive mistakes made by internationally mobile professionals. The headline salary is only one element of what can be a complex package of allowances and benefits, and the difference between a well-negotiated package and a poorly negotiated one can easily amount to tens of thousands of pounds per year.

This guide covers the key components of an expat package, the trend toward "localisation," the critical distinction between tax equalisation and tax protection, and how to approach negotiations effectively.

Components of an Expat Compensation Package

Base salary. The foundation of the package, typically set with reference to either the home country salary or the host country market rate (or a blend). Ensure you are clear on which currency it is denominated in, how it will be reviewed, and what happens to it if you are localised mid-assignment.

Housing allowance or company-provided accommodation. For most assignments to expensive cities — London, Singapore, Dubai, Hong Kong, Zurich, Geneva — housing is the largest component of the package. Options include:

• A cash housing allowance (you find and rent your own accommodation within budget).
• Company-leased and furnished accommodation (simpler but less flexible).
• Reimbursement of actual costs up to a cap.

Benchmark housing costs carefully before accepting an allowance figure. Mercer, ECA International and Control Risks publish city-by-city cost-of-living data including housing benchmarks. Accepting a housing allowance that is materially below market means either a large out-of-pocket cost or an uncomfortable standard of living.

Annual flights home. The number and class of return flights to your home country (and possibly to other family locations) should be specified. For a family of four on a two-year assignment in Singapore, business-class flights home twice a year have a meaningful cash value.

School fees. If you have children, the international school fees allowance may be more valuable than any other single element of the package after housing. Top-tier international schools in Singapore, Hong Kong, Zurich and Dubai charge USD 30,000–50,000 per child per year. For a family with three school-age children, the aggregate is material. Negotiate to have fees covered in full, not just partially — and check whether the allowance is for the full academic year or term-by-term.

Cost of living adjustment (COLA). Where the host city is more expensive than your home city, a cost of living adjustment compensates for the difference. COLA is typically calculated using published indices comparing cities. For an assignment from Manchester to Singapore or Zurich, the COLA can be substantial; for a move from London to Dubai, the index may be closer to parity (and Dubai's tax-free status may make the comparison more complex).

Hardship allowance. Postings to locations considered difficult — whether due to physical danger, environmental conditions, limited infrastructure, cultural distance, or family separation — typically attract a hardship allowance. Levels are expressed as a percentage of base salary: challenging postings (Jakarta, Lagos, Riyadh) might attract 10–20% hardship premium; extreme postings can go higher. International employers use ECA or similar data to benchmark hardship levels by location.

Relocation allowance. A lump sum to cover the cost of moving — shipping, temporary accommodation, deposits, registration costs, initial setup costs. The amount should reflect actual likely costs, not an arbitrary figure. Push for receipts-and-actuals reimbursement rather than a flat amount where your costs may exceed the flat figure.

Private health insurance. International private medical insurance (IPMI) should cover the whole family, with no country exclusions, full in-patient and out-patient cover, and dental. The quality of local healthcare in some assignments means that access to a private hospital (and the ability to be evacuated to a preferred country for serious treatment) is genuinely important. Do not assume the employer plan is adequate — read the policy document.

Car or transport allowance. In car-dependent cities or postings with security requirements, a car or chauffeur-driven vehicle allowance is standard. In cities with good public transport (Singapore, London), a transport allowance may be sufficient.

Local Hire vs Expat Package: The Localisation Trend

The premium assigned to "expat packages" — with housing, schooling, flights and other allowances — was historically reserved for formal international assignments, typically defined as postings of 2–5 years. The assignee retained a home country base and returned after the assignment concluded.

The trend in multinational organisations over the past decade has been toward "localisation": after an initial period of 2–3 years, converting expat assignees to "local hires" who are employed on local terms, without the full package of overseas allowances. For the employer, this reduces the cost of the assignment substantially. For the employee, it means absorbing housing, schooling and other costs that were previously covered.

The key negotiation point: if localisation is a risk — and in most modern assignments, it is — negotiate either a clear commitment to the length of time the full package will apply, or a generous transition payment to compensate for the loss of allowances when localisation occurs. A two-year localisation transition period with gradually reducing allowances is more equitable than an abrupt cut.

For professionals considering a move to a location where they intend to stay permanently (Dubai, Singapore), being hired as a "local hire" from the outset is often commercially acceptable if the base salary is set at the host country market rate — which may itself be higher than a UK comparable.

Tax Equalisation vs Tax Protection

This distinction is critical and frequently misunderstood.

Tax equalisation: the employer's policy is to ensure that the employee is neither better nor worse off from a tax perspective than if they had remained at home. The employer calculates a "hypothetical tax" — what the employee would have paid in their home country on their assignment income — and this amount is deducted from the employee. The employer then pays the actual host country tax. The employee experiences a consistent after-tax income regardless of host country rates.

Tax equalisation can disadvantage an employee posted to a low-tax country: in Dubai or Singapore, where there is no income tax, the employer captures all of the tax saving. The employee receives no benefit from the lower-tax location.

Tax protection: the employer sets a ceiling — the employee pays no more tax than they would have at home, but they keep any tax savings that arise from being posted to a lower-tax country. Under tax protection, an assignment to Dubai means the employee keeps the full tax saving (which, for a UK higher-rate taxpayer, is very substantial).

Which to push for: tax protection is almost always better for the employee, particularly for assignments to the Gulf, Singapore, or other low-tax jurisdictions. If the employer insists on equalisation, ensure that the "hypothetical tax" calculation is generous — and that the calculation uses your home country salary, not the potentially higher assignment salary.

Benchmarking Your Package

Before entering negotiations, access independent data:

• Mercer and ECA International publish annual cost-of-living surveys by city, covering housing, schooling, transportation, and general living costs. These are industry-standard benchmarks.
• LinkedIn Salary and Glassdoor provide broad market data for local salary rates in the host country.
• Speak to colleagues who have completed similar assignments — actual package data from peers is the most useful intelligence.
• Engage a financial adviser who works with internationally mobile professionals: knowing the tax implications of each package component in both home and host country is essential to calculating the true value of competing offers.

How Global Investments Can Help

Global Investments advises internationally mobile professionals on the financial implications of international assignments — from understanding the total compensation value of a proposed package, to tax planning on arrival and departure, to long-term wealth planning through and beyond the assignment years. If you are considering or negotiating an international role, speak to us before finalising terms. Contact our team for a confidential initial consultation.