Boy Steuerberatung is a Cologne-based tax advisory firm founded and led by Nico Boy, serving clients locally and throughout Germany through digital collaboration. The firm combines personal, direct communication with proactive tax and business advice, aiming to help clients understand their finances, improve processes and manage their tax position strategically. Its clients include tradespeople, construction businesses, small and medium-sized companies, freelancers, professionals, property owners and family companies.

Services cover financial and payroll accounting, including construction payroll, annual financial statements and tax returns. The firm also advises on tax planning, business and private wealth, real estate taxation, succession planning and asset transfers. For companies, it provides support with start-ups, GmbH and holding structures, corporate organization and ongoing financial management. Family companies can receive assistance with formation and continuing tax and accounting needs.

Boy Steuerberatung highlights specialist knowledge in construction, skilled trades and real estate, alongside expertise in the broader mid-market. Its stated approach emphasizes tailored strategies, clear explanations, responsive service and short communication channels.