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India-UK Social Security Agreement Guide for Employers

Everything Employers Need to Know About the India-UK Social Security Agreement

  • Modified On: April 30, 2026

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Summary:

India and the UK have signed a Social Security Agreement under the 2025 trade agreement, expected to take effect in 2026 after domestic approvals. It will help eligible employees on temporary assignments of up to 36 months pay social security in their home country only, avoiding double contributions.

The agreement will mainly affect businesses moving employees between India and the UK, especially in sectors such as technology, consulting, financial services, and engineering. Employers should review assignment timelines, prepare Certificate of Coverage processes, and align HR, finance, and compliance teams early to manage the new rules properly.

For businesses moving people between India and the UK, double social security contributions have been a persistent pain point. To address this issue, the governments of the two countries have signed a bilateral Social Security Agreement in New Delhi. This is a part of the broader Comprehensive Economic and Trade Agreement of 2025. Both these agreements are set to go live in 2026, once each country finishes its internal procedures.

As per this Agreement, employees on assignments will contribute to social security in their home country only. They do not have to contribute to both India and the UK simultaneously.

Who Is Affected

Any business with regular India-UK employee movement must be aware of the clauses of this Agreement. The sectors most directly involved are technology, consulting, financial services, and engineering, though the agreement is not sector-specific.

Indian companies dispatching staff to the UK and UK firms deploying people to India both come under its scope. The eligibility is not determined by nationality. The two conditions that matter are whether the employee remains under the social security framework of one country, and whether the assignment stays within 36 months.

Key Implications

Here are the key implications of the India-UK Social Security Agreement.

1. Reduced Cost Exposure

Funding social security in two countries for the same person during one assignment is a cost that eventually adds up for many organizations. The agreement removes that entirely for eligible assignments, which makes a significant difference when you are running mobility programs at scale.

2. Clearer Compliance Requirements

The Certificate of Coverage makes the exemption work in practice. Employers need to obtain this document to establish that the employee remains within the social security system of their home country. Without this document, the contributions in their host country could still apply.

3. Defined Assignment Window

Thirty-six months is the ceiling, and assignments running beyond that fall outside the agreement altogether. This is not something mobility teams can manage loosely. Assignment timelines need to be tracked carefully, and structures need to be reviewed where the risk of crossing that threshold exists.

4. Improved Workforce Mobility

When the cost and administrative burden of dual contributions is removed, deploying people across borders becomes simpler. Organizations gain flexibility in how they structure international teams. Ultimately, this has real operational value across both markets.

What Organizations Should Do Next

First, map out existing and upcoming India-UK assignments against the 36-month window. This approach will reveal where the agreement applies and where action is needed.

Setting up the Certificate of Coverage process before the agreement takes effect is important. Teams are likely to face delays if they leave the documentation until the last minute. This will eventually reduce the savings this agreement is supposed to deliver. For organizations, this is also a favorable time to:

  • Scrutinize the assignment contracts
  • Evaluate cost projections
  • Understand employment terms
With this approach, businesses can ensure they adhere to the updated rules. For organizations with active mobility pipelines, it’s crucial to align HR, finance, and compliance before implementation, rather than after, to benefit from the full advantage.

How IMC Can Help

Forward-thinking organizations are already seeking global mobility services from established teams to address these challenges. Experienced professionals help businesses with eligibility reviews, Certificate of Coverage management, and day-to-day compliance, so nothing falls through the cracks during the transition.

For organizations with ongoing India-UK assignments, a competent team like IMC can be a good starting point. With professional consultancy, businesses can understand exactly where the savings are and how to stay on the right side of the new laws.

Author Bio:

Pushpanjali
CA Pushpanjali Raina specializes in international taxation, global mobility, social security, ESOPs, direct taxation, and advisory services. She supports clients with personal tax compliance, litigation matters, payroll-related activities, and cross-border tax requirements. Her work focuses on practical guidance, accurate compliance, and smooth coordination across tax and mobility matters.

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