The Vehicle and Operator Services Agency records show that on 21 December 2006 there were 18,619 garages offering MOT tests.
The number of spot checks carried out by the Vehicle and Operator Services Agency (VOSA) are published in the VOSA Effectiveness report which is available at:
www.vosa.gov.uk
or the House of Commons Library, Business and Transport Section.
The Vehicle and Operator Services Agency (VOSA) currently has 348 vehicle examiner posts. This role includes enforcement activity such as spot checks on MOT garages.