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Landmark Post‑Brexit Deal Delivers Certainty for Gibraltar Businesses

Simmons Gainsford is delighted by the historic agreement reached on 11 June 2025 between the UK, EU, Spain, and Gibraltar.

The agreement secures an open land border with no checks on daily commuters or goods, introduces dual passport controls at Gibraltar’s airport and port in compliance with EU Schengen standards, and establishes a new customs union that removes goods inspections while aligning Gibraltar fiscally with the EU – most notably through the introduction of a 15% goods tax. Importantly, full British sovereignty is maintained, with the UK retaining control over defence, external affairs, and military operations.

Paul Wharton, Senior Partner at Simmons Gainsford Gibraltar, commented: “This landmark agreement gives our clients unprecedented clarity and confidence. With a streamlined, fluid border and a customs union in place, Gibraltar can now plan, invest, and grow without post‑Brexit friction. At Simmons Gainsford Gibraltar and the wider SG Group, we are ready to support businesses and individuals as this deal transforms cross-border opportunity into tangible outcomes.”

This deal addresses years of uncertainty and removes significant friction for cross-border working, trade, and investment. The legal certainty it provides enhances investor confidence – crucial for sectors such as fintech, financial services, tourism, and professional services in both Gibraltar and the UK.

For businesses and individuals alike, this breakthrough unlocks a new era of stability:

  • No more border uncertainty for daily commuters
  • Simplified movement of goods and services
  • Enhanced planning horizons for long-term investments

Huge congratulations to all involved and thank you to our clients in Gibraltar and the UK for your continued trust.

For more information, please visit: Agreement protects sovereignty and economic security of Gibraltar – GOV.UK

How can we help?

At Simmons Gainsford, our team is here to help clients navigate the implications of this new agreement, whether you are operating in Gibraltar, the UK, or across borders. From regulatory updates to cross-border structuring and tax planning, we are ready to provide tailored advice to help you seize the opportunities this landmark deal presents.

Please get in touch if you would like to discuss how this may impact your business or personal affairs.