Kassman Accounting of East Islip

Kassman Accounting of East Islip is a full-service accounting firm in East Islip, New York, serving small to medium-sized businesses and individual clients with comprehensive financial solutions. The firm specializes in accounting and bookkeeping services, tax preparation and planning, payroll processing, sales tax management, business evaluations, and consulting for new business startups. With a foundation built on integrity, innovation, and long-term client relationships, the firm has been helping local clients manage their finances since 1993. Known for its transparent fee structure and commitment to minimizing tax burdens, Kassman Accounting offers free consultations and guaranteed flat-fee pricing, ensuring no unexpected charges. The firm maintains a perfect 5.00 rating based on client reviews, reflecting consistent praise for professionalism, responsiveness, and personalized service.

Founded by Myles S. Kassman, a certified accountant with a degree from the University of Hartford, the firm has evolved into a multi-generational family business with the addition of his son, Marshall Kassman, who joined in 2018. The team emphasizes proactive financial guidance, helping clients not only comply with regulations but also grow their businesses through strategic planning, technology integration, and efficient cost management. Services include weekly and monthly reporting such as cash disbursement listings, bank reconciliations, income statements, and customized financial summaries designed to improve decision-making and reduce operational costs.

Located at 83 Carleton Ave, the firm sits just a short walk from East Islip Memorial Park and the East Islip Fire Department, near the intersection of Carleton Avenue and Union Boulevard. It is approximately a half-mile from East Main Street and West Main Street, placing it in a central, accessible location within the community.

Kassman Accounting stands out for its consistent client satisfaction, documented expertise, and strong digital presence. The firm’s well-structured website, clear service offerings, and transparent communication practices reflect a deep commitment to trust and reliability. Clients consistently highlight the firm’s professionalism, timely responses, and ability to resolve complex financial issues with confidence.

As a trusted financial partner in East Islip, Kassman Accounting combines decades of experience with a modern, client-focused approach, making it a cornerstone of local business success.