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Bullmastiff breeders

The Bullmastiff is an English guarding breed in the Working group of The Royal Kennel Club (RKC breed page).

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Advertise your Bullmastiff puppies, litters and stud dogs

Do you breed Bullmastiffs? List your kennel on caninebreeder.co.uk so that buyers searching for Bullmastiff puppies for sale, or owners looking for a Bullmastiff stud dog, can find you. Registrations in this vulnerable native breed are low, so a listing helps committed buyers find your planned litters. You can advertise Bullmastiff puppies for sale, upcoming litters and stud dogs, and show your hip, elbow and eye results. A basic listing shows your kennel name, location, website, social media and categories, and paid plans unlock more showcase features. Add your listing or see pricing.

No breeders are listed here yet, so the first profiles get the page to themselves.

  • Free basic profile: your breeder or company name, website, social media, location, breeds and industries.
  • Litters and stud dogs advertised in their own sections, never mixed with puppies for sale.
  • Premium showcase for your services and prices, previous customers, awards, video, gallery and health certificates, with your phone and email shown to buyers.
  • Sponsored articles about your breed or industry, written and published by our team.
  • Featured placement at the top of this page, labelled as sponsored.

Create your free breeder profile Advertise a litter Advertise a stud dog

Is it free to advertise here?

Yes. A breeder profile and your litter and stud dog adverts are free. Premium profiles, featured placement and sponsored articles are optional paid extras; see pricing.

Do I need a licence to advertise puppies?

In England you need a dog breeding licence from your council if you breed three or more litters in 12 months or breed and sell dogs as a business, and Wales, Scotland and Northern Ireland have their own schemes. Licensed breeders show their licence number and issuing council on every advert. Puppies must be at least eight weeks old before they go to new homes.

Is my listing already here?

We add licensed breeders from councils' public registers. Search for your kennel name; if it is listed you can claim it and edit everything.

About the Bullmastiff

The Bullmastiff is an English guarding breed in the Working group of The Royal Kennel Club (RKC breed page). The RKC explains that it was developed in the 19th century from Bulldog and Old English Mastiff ancestry to help gamekeepers deal with poachers, a mix that gave it imposing size and a brave temperament along with enough athleticism to see off intruders. Keepers preferred brindle dogs because they were harder to spot at night, though fawn dogs, many with a black mask, are now more common. The breed's numbers are low: the RKC's vulnerable native breeds list, which tracks British and Irish breeds with under 300 registrations a year, includes the Bullmastiff and records 185 registrations in 2025. Browse other working breed breeders, read about vulnerable native breeds or see our page on gamekeepers' and estate dogs.

Size and build. The RKC classes the Bullmastiff as a large breed. The breed standard gives dogs 64–69 cm at the shoulder and 50–59 kg, and bitches 61–66 cm and 41–50 kg. It calls for a strong, sound and active dog that is powerful without being cumbersome, with a broad, square skull and a short, blunt muzzle, and a black muzzle is essential.

Coat and grooming. The short, hard coat lies flat and resists the weather. It sheds, but a weekly groom is enough. Brindle, fawn and red in any shade are all standard colours; a small white patch on the chest is permitted, but other white markings are undesirable.

Exercise. The RKC suggests more than two hours of exercise a day and recommends a large house with a large garden, in either town or country.

Temperament and suitability. The breed standard describes a spirited, watchful and loyal dog, and the RKC sums the breed up as courageous and powerful. With adult dogs weighing up to 59 kg, early socialisation and lead training while the puppy is still small are important, and owners need the space, time and physical ability to manage a heavy dog. The RKC gives a lifespan of under ten years.

Bullmastiff health tests

The Royal Kennel Club lists three good practice screening schemes for the Bullmastiff: hip scoring, elbow grading and the eye scheme. The RKC has no breed-specific DNA test package for the Bullmastiff at present. The breed is in Breed Watch Category 2, which the RKC applies to breeds with visible conformation concerns that it watches more closely. The Bullmastiff points of concern are eyelids turned inwards or outwards and excess loose skin about the head and body. The RKC's Bullmastiff page also carries its general guidance on flat-faced dogs, covering breathing difficulties and skin fold problems.

Under the BVA/KC Hip Dysplasia Scheme, dogs are X-rayed from one year old and scored from 0 to 106, with lower scores better, and the BVA advises breeding from dogs scoring under or near the breed median. The elbow scheme grades each joint from 0 to 3, and the BVA recommends breeding only from grade 0 dogs. In a vulnerable native breed with a small registered population, keeping inbreeding in check matters too. Results can be checked on the RKC Health Test Results Finder.

Choosing a Bullmastiff breeder

A responsible Bullmastiff breeder should be able to show hip scores, elbow grades and current eye certificates for both parents, which you can confirm on the RKC Health Test Results Finder. The Bullmastiff Breed Council code of ethics asks its members not to mate a bitch under 20 months, not to breed from her more than once in 12 months, to limit her to four litters, and to help rehome a dog if a new owner's circumstances change. It also asks breeders to supply written feeding guidance and Kennel Club paperwork, encourages hip scoring and asks for careful attention to temperament in both parents. Because registrations are low, a good breeder may run a waiting list rather than have puppies ready now, and may belong to one of the regional clubs represented on the Bullmastiff Breed Council. Meet the mother, see how she reacts to visitors, and do not collect a puppy before eight weeks. In England, breeding three or more litters in 12 months and selling any of the puppies requires a council licence. Read our buyer safety guide before paying anything.

  • Can I see the hip scores, elbow grades and eye certificates for both parents?
  • How do the parents' hip scores compare with the breed median?
  • What is the coefficient of inbreeding for this mating?
  • Have eyelid problems, skin problems or temperament issues appeared in your lines?
  • Will you help rehome the dog at any age if my circumstances change?

Bullmastiff questions

Is the Bullmastiff a vulnerable breed?

Yes. The Royal Kennel Club includes the Bullmastiff on its vulnerable native breeds list, which covers British and Irish breeds registering under 300 dogs a year. RKC figures show 185 Bullmastiffs registered in 2025.

How big does a Bullmastiff get?

The breed standard gives dogs 64u201369 cm at the shoulder and 50u201359 kg, and bitches 61u201366 cm and 41u201350 kg. The RKC recommends a large house with a large garden for the breed.

How much exercise does a Bullmastiff need?

The RKC suggests more than two hours a day. Ask the breeder how to build exercise up gradually while a puppy is growing, and start lead training early, because adults are very strong.

What health tests should Bullmastiff parents have?

The RKC lists hip scoring and elbow grading under the BVA/KC schemes and the BVA/KC/ISDS eye examination as good practice. The breed is in Breed Watch Category 2, with points of concern about eyelids turned inwards or outwards and too much loose skin.

More for Bullmastiff owners and breeders

Official sources