
Cant recommend one specifically as I'm not a breeder but in case it helps here is a pdf of the kennel club breed specific health tests (mandatory & available/recommended ones) and the various labs you can use, but I've listed them below in case the link doesn't work - French Bulldog is page 31
http://www.thekennelclub.org.uk/media/14688/dnatestsworldwide.pdf Annual Eye Testing = BVA/KC Scheme
Hereditary Cataract (HC-HSF4) = Labs: AHT, Animal Genetics, VetGen, Genetic Technologies Ltd, Genindexe, Genomia, Laboklin
Canine Coat and Nose Colour = Labs: HealthGene
Coat Colour Gene Variations = Labs: VetGen, Davis Veterinary Genetics Laboratory (University of California)
Hyperuricosuria (HUU): Labs Laboklin, VetGen
Progressive Retinal Atrophy, cord1 (PRA-cord1) = Labs: VetGen
Degenerative Myelopathy (DM) = Labs: VetGen
Canine Multi-focal Retinopathy (CMR) = Labs: VetGen, Genoscoper
The last page on the PDF gives the contact details for each of the Labs.