BookMyGarage has been ranked 35 in SyndicateRoom’s list, Top 100: Britain’s fastest-growing businesses.
The SyndicateRoom collates the information using a methodology by Beauhurst, a source of information on British high-growth companies.
SyndicateRoom’s report ranks the country’s leading startups by their increase in valuation between 2014 and 2017.
BookMyGarage’s founder and chief executive, Douglas Rotberg (pictured), said: "We're honoured that our success in creating openness and transparency for car owners and garages in the much-maligned car servicing industry has been recognised in this way.
"We feel humbled to be listed alongside so many well-known startups."