Quick answer
Aim for a warm, specific speech of roughly five to seven minutes: introduce yourself, celebrate the couple, tell one safe story, say something sincere and finish with a clear toast.
Use a simple five-part structure
Open by welcoming the room and explaining how you know the groom. Move into one story that reveals a likeable quality, acknowledge the partner and their relationship, add a sincere line, then invite everyone to raise a glass.
- Introduction: 20–30 seconds
- One main story: 2–3 minutes
- The couple: 1–2 minutes
- Sincere message and toast: under 1 minute
Write for the whole room
A private joke can make two people laugh and leave 80 people confused. Give enough context for every guest, avoid stories involving ex-partners or humiliation, and never make the wedding itself the punchline.
Practise for delivery, not memorisation
Print the speech in large type with short paragraphs. Mark pauses and names, then rehearse aloud with a timer. Knowing the route through the speech matters more than reciting every word perfectly.
Common questions
How long should a UK best man speech be?
Five to seven minutes is a useful target. A shorter, confident speech usually lands better than a long collection of stories.
Do I need to memorise it?
No. Notes are normal. Practise enough to look up regularly and deliver the toast cleanly.