UK-India Social Security Agreement

What employers need to know ahead of Summer 2026

The UK and India signed a long-awaited Social Security Agreement on 10 February 2026, expected to come into force in Summer 2026 alongside the UK-India Comprehensive Economic and Trade Agreement.

The agreement represents a significant development for businesses operating across the UK–India corridor. However, it does not remove the wider tax, legal and regulatory risks associated with cross-border working.

Key features

The agreement is designed to eliminate dual social security liabilities for temporary assignments of up to 36 months:

employees on qualifying temporary assignments remain subject only to their home country’s social security system;
relief is accessed via a Certificate of Coverage issued by the home jurisdiction; and
the rules apply reciprocally to UK employees working in India and Indian employees working in the UK.

This delivers a clear cost saving for employers who would otherwise potentially face mandatory overlapping UK National Insurance and Indian Provident Fund contributions.

What this means for employers

For internationally mobile workforces, the agreement should:

reduce assignment costs;
simplify payroll compliance; and
support short-term business travel and secondments.

However, the relief is time‑limited, conditional and tightly defined, and does not extend beyond social security contributions.

Ongoing risks – beyond social security

It is important not to view the social security agreement as a “complete solution” to UK–India workforce structuring.

In practice, a number of material risks remain:

1. Permanent establishment (PE) exposure

Deploying UK employees into India (or vice versa) can still create corporate tax presence, particularly where individuals:

conclude contracts;
play a key role in revenue generation; and
are embedded in local operations.

The social security agreement does not mitigate PE risk.

2. Employment tax and payroll complexities

Income tax withholding, shadow payroll obligations and local reporting requirements continue to apply under domestic law. The agreement only addresses social security contributions, not income tax.

3. Incentive arrangements and equity plans

Cross-border movement between the UK and India can create significant complexity for:

share plans, option schemes and bonus arrangements;
timing of tax charges;
withholding and reporting obligations; and
cross-border funds flow.

India’s tax regime and exchange controls can create mismatches in valuation, timing, payments and employer obligations, making global incentive alignment challenging.

4. Legal and regulatory considerations

Employers must also consider:

local employment law protections;
immigration and visa compliance; and
data protection and operational structuring.

Key takeaway

The UK–India Social Security Agreement is a welcome and long‑anticipated cost‑reduction measure that will support short‑term mobility. However, it addresses only one element of the overall UK–India risk landscape.

A holistic approach to cross‑border working remains essential.

Final thought

Given the interaction between social security, corporate tax, employment tax and legal frameworks, professional advice should be sought before implementing or restructuring UK–India assignments.

Early planning remains critical to manage:

unintended PE exposure;
payroll and withholding failures; and
misaligned incentive structures.

How can we help?

Our Incentives and Employment Tax team works with a range of clients including FTSE, AIM and global companies, PE backed companies and start-up companies.

We have an in-depth knowledge of employee tax and can help you ensure your business complies with its payroll obligations, including for internationally mobile employees working in and outside the UK.

If you are interested in discussing any of the topics covered in this article, get in touch with our Incentives and Employment Tax specialists below.

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