Although these suppliers don't match your search for Men's & boys' formal wear in West Sussex, they are within approximately 40 miles and could still be of interest.
Men's & boys' formal wear, Hartley Wintney, Hampshire
Dawn Clarke Designs, based in Hampshire, create luxury vintage inspired children's wear for your dream wedding. All Dawn's clothing is designed by her, using traditional techniques, ensuring that it stands the test of time. (Men's & boys' formal wear in West Sussex)
Men's & boys' formal wear, Winchester, Hampshire
The company was formed from two famous military tailors: Gieves, founded in 1785 and Hawkes, founded in 1771. (Men's & boys' formal wear in West Sussex)