ACA Group | 45,836 followers on LinkedIn. ACA Group (“ACA”) is the leading governance, risk, and compliance (GRC) advisor in financial services. | ACA Group is the leading governance, risk, and compliance advisor to the financial services industry. For over 20 years, we’ve been a trusted partner to financial institutions—helping firms reduce risk, fuel growth, and protect their business. Founded by former regulators, ACA combines deep industry expertise with powerful regulatory technology to transform compliance from a requirement into a strategic advantage.