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About Us

The Joint Measurement Board (JMB) was established over 90 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. Click HERE for the Rules and scroll down 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 registered at Companies House under company number 01600646 and limited by guarantee.


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

Member Societies

The Equestrian Societies 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, and on behalf of the British Equine Veterinary Association. 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 Sarah Rook

British Show Horse Association: Ms Sarah Lewis (Carey)

British Showjumping: 

British Show Pony Society: Mr Simon Richardson

British Skewbald and Piebald Association: Ms Sandra Lawrence

Coloured Horse and Pony Society: Ms Caroline Hamilton

National Pony Society: Mrs Angela Kember

Pony Racing Authority: Miss Fiona Rawson

Sport Horse Breeding of Great Britain: Mrs Lucinda Burnett

UK Ponies & Horses Ltd: Mrs Julie Templeton

Welsh Pony and Cob Society: Mrs Janice Parry

British Equine Veterinary Association: Dr Benjamin Mayes MA VETMB MRCVS

Co-opted: Mrs Caroline Nelson

In addition, a nominated representative of the Royal College of Veterinary Surgeons attends the meetings as an observer. 


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

The relevant JMB Rules provide details regarding appointments to the Panel of Official Measurers (click HERE to view them). 

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


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