Hass & Company is a CPA accounting firm serving clients in Gaithersburg, Maryland, with source text also referencing Olney and Rockville service areas. The firm works with small businesses and individuals on tax and accounting needs, presenting its approach around ongoing client relationships and practical assistance.

Its listed services include business and individual tax preparation, accounting, bookkeeping, payroll, and consulting. The available source material describes in-person and onsite service formats, and positions the firm as a resource for clients seeking support across routine bookkeeping, tax preparation, and broader accounting service needs.