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Business Details
50+ Years
experience
Your Trusted Accounting Partner in Southampton, NY
Established in 1956, Sabel & Oplinger CPA PC is one of Eastern Long Island's oldest accounting firms, dedicated to providing comprehensive financial services to individuals and businesses. Our team of certified professionals brings decades of experience in tax planning, auditing, and advisory services, serving diverse sectors including family-owned businesses, nonprofits, real estate developers, and private clubs. We prioritize personalized service, leveraging advanced technology and deep local market knowledge to address clients' unique needs. Our commitment to community engagement and long-term relationships drives our approach to financial solutions. With expertise in corporate tax structures, estate planning, and compliance, we help clients navigate complex fiscal landscapes while minimizing liabilities.

Our services extend to condominium and cooperative associations, offering tailored financial reporting and internal control recommendations. As trusted advisors, we emphasize transparency, ethical standards, and proactive communication to ensure client success. Our firm's legacy of excellence is built on a foundation of technical proficiency and client-centric values. We provide year-round support, including tax alerts and educational resources, to keep clients informed of regulatory changes. This dedication to service quality and community partnership has solidified our reputation as a leading accounting firm on the East End.
Services
Individual Tax Preparation Condominium Financial Services Estate Planning Not-for-Profit Auditing Accounting & Assurance
Details
  • Year established: 1956
Highlights and features
  • We have over 65 years of experience serving Eastern Long Island clients.
  • Our team offers personalized financial solutions tailored to local market needs.
  • We specialize in complex tax planning and compliance for diverse industries.
  • Our firm provides dedicated support for condominiums, nonprofits, and businesses.
  • We combine advanced technology with traditional accounting excellence.
Associations and certifications
  • CPA
Services
Individual Tax Preparation
Our tax specialists provide comprehensive individual tax preparation services, focusing on minimizing liabilities while maximizing refunds. We handle complex returns for high-net-worth individuals and non-residents with U.S. economic interests. Year-round tax planning ensures optimal financial strategies aligned with changing regulations.
Condominium Financial Services
We offer specialized accounting solutions for condominiums and cooperatives, including audited financial statements, tax return preparation, and internal control assessments. Our team provides management letters with operational efficiency recommendations and compliance guidance for boards and management companies.
Estate Planning
Our estate planning services focus on minimizing tax exposure through strategic asset management. We assist clients with wills, trusts, healthcare proxies, and durable powers of attorney, emphasizing asset preservation for future generations under current tax laws.
Not-for-Profit Auditing
We provide tailored audit and accounting services for nonprofits, including Form 990 preparation and compliance with regulatory requirements. Our team offers internal control evaluations and operational efficiency recommendations to support organizational missions.
Accounting & Assurance
We deliver three-tiered accounting services including audits, reviews, and compilations. Our assurance services cover internal control assessments, business valuations, and cash flow analysis to support informed decision-making for corporations and partnerships.
People
Thomas E. Oplinger
CPA
With decades of experience in public accounting, Thomas E. Oplinger specializes in tax planning and business advisory services for Eastern Long Island clients.
Robert J. Strebel
CPA
Robert J. Strebel provides expert accounting and auditing services, focusing on nonprofit organizations and condominium associations in the Southampton area.
Meg Wernersbach
Enrolled Agent
Meg Wernersbach offers specialized tax compliance and planning services, supporting individuals and businesses with strategic financial solutions.
Questions
What accounting services do you offer for condominium associations?
We provide audited financial statements, tax return preparation, internal control evaluations, and compliance guidance for condominium and cooperative boards.
How do you support not-for-profit organizations?
We offer audit services, Form 990 preparation, compliance assistance, and operational efficiency recommendations tailored to nonprofit organizations and private foundations.
What estate planning services are available?
Our estate planning includes wills, trusts, healthcare proxies, and tax strategies to preserve assets under current regulations for Long Island residents.
Do you handle business tax planning for corporations?
Yes, we provide corporate tax planning, LLC structure advice, and year-end tax strategies to minimize liabilities for local businesses.