For a ROM or solemnisation in Singapore, a man is safest in a well-fitted suit or a smart blazer-and-trousers combination โ a touch softer than a full evening-banquet look. Light grey, blue or navy work beautifully, often without a tie for a relaxed registry ceremony. This guide covers exactly what to wear, by setting and formality. Made-to-measure suits start from $299; we are rated 5.0 from 178 Google reviews.
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How formal is a ROM / solemnisation?
A Registry of Marriages ceremony or a solemnisation is usually less formal than an evening banquet, but it is still a milestone you will see in photos for life. Aim for “smart” rather than “stiff”: a suit you can wear comfortably, in a lighter palette than a black-tie reception. If the solemnisation is immediately followed by a dinner, dress for the more formal of the two.
What the groom should wear to a ROM
- A light grey or blue suit โ fresh and photogenic for a daytime registry.
- Navy suit โ the safe all-rounder if you want one suit for ROM and a later celebration.
- Blazer + tailored trousers โ for a very relaxed or intimate solemnisation, a blazer with contrasting trousers and an open collar is appropriate.
- Tie optional โ many grooms skip the tie for ROM; add one to lift the formality if the setting is dressier.
What the bride’s side and male guests should wear
Male guests at a ROM should keep it smart but understated โ a suit or blazer in navy, grey or blue, and crucially avoid anything that competes with the couple (no white or ivory). For a small registry ceremony, a blazer and trousers is usually enough; for a ROM combined with a lunch or dinner, lean to a full suit.
Fabric for a daytime ceremony
ROMs are often daytime and sometimes outdoors, so comfort matters. A lighter-weight, breathable wool or wool-blend keeps you cool and creases less than heavy cloth. Lighter colours also feel right for a daytime registry. We carry premium branded and self-curated fabrics from wool blends up to 100% wool โ see the fabrics guide for choosing a weight.
Colour ideas that photograph well
- Light / mid grey โ clean and modern for daytime.
- Blue (lighter than navy) โ relaxed and contemporary.
- Navy โ classic and versatile across the day.
- Beige / stone โ for a casual outdoor solemnisation.
Keep the shirt crisp (white or pale blue) so the photos stay clean.

ROM today, banquet later?
Many couples do a ROM first and a banquet months later. If budget matters, a versatile navy suit covers both: wear it open-collar and relaxed for the ROM, then dress it up with a tie for the dinner. If you want a distinct look for each, a lighter suit for the ROM and a 3-piece or tuxedo for the banquet works well. See wedding suits.
Getting it ready in time
Made-to-measure takes about 4โ6 weeks including fittings. Order with a few weeks to spare so there is no rush before the date. A suit you have made for the ROM will keep serving you for work and future events afterwards.
Frequently asked questions
What should a groom wear to a ROM in Singapore?
A well-fitted suit in light grey, blue or navy is ideal; a blazer with tailored trousers works for a relaxed solemnisation. A tie is optional and can be added to lift the formality.
Do I need a full suit for a solemnisation?
Not always โ for an intimate or outdoor registry, a blazer and trousers can be enough. For a ROM combined with a lunch or dinner, a full suit is the safer choice.
What colour suit is best for a daytime ROM?
Lighter shades โ light grey, blue or beige โ feel right for daytime, while navy is the most versatile if you want one suit for several occasions.

Can I wear the same suit to my ROM and my wedding dinner?
Yes โ a navy suit is versatile enough to wear open-collar for the ROM and dressed up with a tie for the dinner. Some grooms prefer a separate, dressier look for the banquet.
What should male guests wear to a ROM?
A smart suit or blazer in navy, grey or blue; avoid white or ivory so you don’t compete with the couple.
How much does a ROM suit cost and how long does it take?
A made-to-measure 2-piece starts from $299 and typically takes about 4โ6 weeks including fittings.
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