Franchise holding company the Dwyer Group said 2015 was a banner year for the firm.

It completed the purchase of Five Star Painting in January, Service Brands International in June — including Molly Maid, Mr. Handyman and ProTect Painters — Grounds Guys Canada in June and Drain Doctor, the Mr. Rooter Plumbing master license business in the United Kingdom in October.

“This was a year for the record books,” said Mike Bidwell, president and CEO of Dwyer Group. “We grew more in the last 12 months than any other time since our company was founded in 1981.”

Among Dwyer’s brands are the HVAC market and HVAC sales repair company Aire Serv.