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About Us

The Joint Measurement Board (JMB) was established over 80 years ago by the major equestrian organisations of the day. It is a not-for-profit organisation and dedicated to the accurate measuring of the relaxed height of horses and ponies. Scroll down for the Rules and to learn more about the organisation of the JMB.


The Joint Measurement Board was established in 1934 to run a national scheme for the Measurement of the height of horses and ponies for the purpose of description and classification of horses and ponies for show and competition.                        

Corporate Status

The Joint Measurement Board is a company limited by guarantee.


The address for all correspondence is PO Box 396, HEREFORD HR1 9QQ.

Member Societies

The Equestrian Societies which are Members of The Joint Measurement Board Limited are: British Connemara Pony Society, British Show Horse Association, British Showjumping, British Skewbald and Piebald Association, British Show Pony Society, Coloured Horse and Pony Society, National Pony Society, UK Ponies & Horses Ltd, Pony Racing Authority, Sport Horse Breeding of Great Britain and Welsh Pony and Cob Society.


Stewards are appointed by the Member Societies, on behalf of the British Equine Veterinary Association and the Royal College of Veterinary Surgeons. The Stewards constitute the Management Committee. In the event of any dispute as to the interpretation of these Rules the decision of the Stewards shall be final.

The Stewards are:

Chairman: Dr R N W Ellis BVSc, PhD, MRCVS

British Connemara Pony Society: Mrs S Rook

British Show Horse Association: Mr N Thompson

British Showjumping: vacant

British Show Pony Society: Mr S Richardson

British Skewbald and Piebald Association: Ms S Lawrence

Coloured Horse and Pony Society: Ms C Hamilton

National Pony Society: Mrs J Webb

Pony Racing Authority: Mrs C Daly

Sport Horse Breeding of Great Britain: Mrs V Ramm

UK Ponies & Horses Ltd: Mrs J Templeton

Welsh Pony and Cob Society: Mrs S Charlton

Royal College of Veterinary Surgeons: Mr P Jinman OBE BVet Med Dip Arb FCIArb MRCVS 

British Equine Veterinary Association: Mr B Mayes MA VETMB MRCVS

Co-opted: Mrs C Nelson


A Secretariat is appointed by the Stewards and has responsibility for the day to day running of the Board in accordance with the Rules and directions of the Stewards.                        

Panel of Official Measurers

Official Measurers are appointed to the Panel by the Stewards annually for one year only. The Stewards consider such applications and appoint Official Measurers as necessary.                        

Veterinary Surgeons who have been members of the Royal College of Veterinary Surgeons for five years or more may apply to be appointed to the Panel.

The Stewards of The Joint Measurement Board Ltd reserve the right to delete the name of any Veterinary Surgeon from the Panel at any time.

The list of Veterinary Surgeons who have been appointed for the current year to the Panel of Official Measurers is available on-line.


Referees are senior members of the Veterinary profession and are appointed by the Stewards.


The Rules are published on-line. Click here for the Measurement Rules

The Member Societies through the Stewards reserve the right to review and amend any rules at any time.

Matters not covered specifically by the Rules

Where any matter shall arise and be notified to The Joint Measurement Board Ltd in writing which relates to  and is not covered by the Rules, the Stewards shall consider all the relevant facts and give such directions relating thereto as may seem to them in their absolute discretion to be just and appropriate.