DNA Labs

Animal DNA Diagnostics

https://www.animaldnadiagnostics.co.uk/
https://www.animaldnadiagnostics.co.uk/breed/dog/237
Also offers DNA profiling and Parentage Verification.
UK based and usually quickest turnaround time.

Animal Health Trust


Previously tied in with the KC and were very helpful with DNA research.
No longer in business

Canine Genetic Testing

https://www.cagt.co.uk/
Cambridge University/Kennel Club

Embark

https://embarkvet.com/breeders
Your first Embark DNA kit for just $99
Code: TryEmbark99

Full range of tests offered as a bundle which includes health, colour and COI.

As well as colour and COI, we have been recording data for the following  https://www.germanspitzworld.co.uk/dnaresultinfo.php so please forward a copy of your results if you can and we'll add them to our database for inclusion on dog pages.

Orivet

https://www.orivet.com/
Australian lab that offers various options including health, colours and ID profiling/parentage.

WVB test & info https://www.orivet.com/store/canine-disease/von-willebrand-s-disease-type-i

Pet Genetics Lab

https://www.petgeneticslab.co.uk/
https://www.petgeneticslab.co.uk/collections/single-dna-tests/products/foresight-health-von-willebrand-disease?variant=37705733472415

Isle of Man based with reportedly slower turnaround time and not overly helpful when they report incorrect genetically impossible results.
As of January 2022 £5 discount on the vWD1 test only. Use code SPITZ1 at check out.