Matchmaker's Challenge by Teresa Southwick

Despite his feelings on love and marriage, Gabriel Blackburne works for his aunt’s matchmaking company — but only on the financial side! So he’s not exactly thrilled when, much like his meddlesome family, a teenager shows up and tries to set him up with her mum. But when it becomes clear that Courtney Davidson is equally uninterested — if incredibly compelling — he proposes a mutually beneficial fake relationship to keep both his family and her daughter out of their business…