Coston and McIsaac CPAs is a Bar Harbor, Maine CPA firm serving individuals, small businesses, non-profit organizations, and hospitality industry clients. The firm’s source materials describe personalized financial guidance, tax management, accounting, and advisory services, with an established history dating to 1987.

Its listed services include individual and business tax preparation, bookkeeping, payroll support, new business formation, and IRS notice or audit help. The firm also provides business services such as small business accounting, part-time CFO services, cash flow management, business advisory services, and financial planning for businesses.

For clients using accounting software, Coston and McIsaac CPAs offers QuickBooks setup, training, answers, and tune-up services. Its materials also reference support for estate and trust tax matters, tax planning, tax relief issues, and industry-focused services for sectors including construction, healthcare, hospitality, law firms, manufacturers, and real estate.