You can provide a valid marriage certificate or proof of financial and emotional commitment towards each other as proof of a genuine relationship for a UK spouse visa. You must also submit certain documents, such as:
- Joint bank statements
- Utility bills from the same address
- Tenancy or rental agreement
- Travel documents (travel itinerary, receipts from trips, hotel bookings)
- Text messages, call logs, emails, chat logs (for long-distance couples)
- Videos or photographs (wedding, holidays, or other events)
- Birth certificates of your shared children