Factory Aston Martin driver Adam will partner Cottingham at five of the seven events this year, but will have to miss the Silverstone three-hour race in May and the Donington Park finale in October due to clashes with the European Le Mans Series.
The 38-year-old took his first British GT3 title in 2015 alongside Andrew Howard at Beechdean in an Aston Martin Vantage, a points deduction having meant he missed out on the title with Howard two years earlier.
