Wedding Coordinator: No tip is expected, but you can send them a thank you card or some other small gift.

Officiant: $100 – $200, given by the best man.

Transportation (Bus, Limo): 15-20%. Check that a gratuity isn’t already included.

Parking Attendants, Valets: About $1 per vehicle, given to the supervisor beforehand. Be sure to inform your guests that gratuities were already provided.

Coatroom & Restroom Attendants: $0.50 – $1.00 per guest. Check that a gratuity isn’t already included.

Musicians: $20.00-25.00, but no tip is expected.

Photographer & Videographer: $20.00-25.00, but no tip is expected.

Banquet Manager or Maitre D’: $200-$300, but check that a service charge or gratuity is not already included.

Caterer & Waitstaff: This only applies if the catering isn’t offered by the reception hall you’re in. Consider how many waitstaff you have and calculate a tip that way, then throw a little extra to the catering manager.

Bartenders: 10% of the final bill, be sure to check that a gratuity is not already included.

You Won’t Need To Tip… the business owners of the services you provide, the florist, the baker, the bridal shop, invitation or party rental companies.

From “The Knot’s Guide for the Groom.”