Swansway Group saw its operating profits increase by 8% in 2015 from £7.6 million to £8.2 million and the business is reinvesting in people and infrastructure.
Swansway has become an Audi specialist repairer for the R8, staffed by one of only five technicians qualified to work on the supercar.
Swansway has opened its first multi-brand centre at a cost of £4.5 million.
John Clark Motor Group has topped the Sunday Times Grant Thornton Top Track 250 for automotive companies and placed third in the overall list.
Car dealer Swansway has partnered with VEE24 to bring real-time live chat to its website customers.