Open Call for Sponsorship - Submarine Service 125th Anniversary Gala Dinner
30th September 2026
Event Overview
The Royal Navy Submarine Service is inviting sponsors to support the Submarine Service 125th Anniversary Gala Dinner.
About the Event
The dinner will be held at Windsor Castle and will bring together a high-profile audience and members of the wider Submarine Service community. The event will celebrate 125 years of service, recognising the heritage, operational excellence and future ambition of the Royal Navy Submarine Service.
Sponsorship and Brand Partnership Opportunities
SM125 offers a prestigious opportunity to support a landmark Royal Navy event and to align your organisation with a significant national endeavour. Sponsor branding may be included in event communications. Owing to Windsor Castle marketing restrictions; branding cannot be displayed within the Castle itself.
This partnership offers an engagement platform for sponsors to:
- Host VIP guests from across the nuclear enterprise.
- Demonstrate support for the Royal Navy Submarine Service and its future ambitions.
- Associate your organisation with a high-profile commemorative event.
Sponsorship Process
The UK Government will adopt an open and fair approach to the selection of sponsors and brand partners.
- If a competitive selection process is required, assessment questions, marking criteria and a submission deadline will be issued.
- Assessment criteria may include strategic fit, support to wider UK messaging, and provision of goods or services in kind.
- Potential sponsors will be subject to due diligence checks.
Contact us
For further information, please contact the Chief of Staff, Submarine Flotilla at navysubflot-events@mod.gov.uk