Interior Trimmers

I have managed to get a set of carbon backed sport seats for my 355. The leather on the seats is in good condition and at worst would just need reconnalising. However all the leather in my car is stiched red and I need to get the seats to match.

I have spoken with southbound, who have recommended that the whole seats be retrimmed as it would be difficult to change just the stiching due to not being able to guarantee that the new stiches go through the old holes which would ruin the finish.

They have quoted me for it, but can't do anything until June of this year. Does anyone know of another reputable firm that I can speak to - I'm in Herts but am willing to travel to get a good job done.