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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. Our team of highly qualified professionals is dedicated to delivering exceptional financial services tailored to diverse clients, including family-owned businesses, non-profits, real estate developers, and private individuals. With deep expertise in tax planning, auditing, and consulting, we combine advanced technological capabilities with a commitment to personalized service. Our focus on community engagement and long-term client relationships has been central to our success. We provide strategic financial solutions to help clients navigate complex tax codes and achieve their business and personal goals.

Our services span accounting, assurance, estate planning, and specialized support for condominiums, co-operatives, and not-for-profit organizations. We emphasize transparency, integrity, and proactive communication, ensuring clients receive actionable advice year-round. As active members of the East End community, we understand local tax challenges and tailor our services to meet unique regional needs. Our professionals hold certifications such as CPA and EA, underscoring our dedication to excellence. We invite clients to explore our resources, including tax alerts and newsletters, to stay informed about evolving financial regulations.
Services
Individual Tax Preparation Business Tax Services Estate Planning Non-Profit Accounting Condominium Audits QuickBooks Advisory Corporate Consulting Audit Services Retirement Planning Tax Compliance
Details
  • Year established: 1956
Highlights and features
  • We offer over 60 years of experience serving Eastern Long Island's unique financial landscape.
  • Our team includes CPAs and Enrolled Agents with specialized expertise in local tax issues.
  • We provide tailored solutions for non-profits, condominiums, and family-owned businesses.
  • Our commitment to year-round client support ensures proactive financial guidance.
  • We combine advanced technology with personalized service to meet evolving client needs.
Services
Individual Tax Preparation
Our Individual Tax Preparation service ensures accurate and efficient handling of personal tax returns. We specialize in high net-worth tax planning and retirement analysis, leveraging deep knowledge of evolving tax codes. Clients benefit from year-round advisory support to minimize liabilities and optimize financial strategies.
Non-Profit Accounting
We provide tailored accounting and audit services for not-for-profit organizations, including 990 filings and internal control assessments. Our team understands the unique compliance needs of charities, schools, and foundations. We offer ongoing guidance to help non-profits maintain tax-exempt status and operational efficiency.
Condominium Audits
Our Condominium and Co-Operative audit services include financial statement reviews and compliance reporting. We collaborate with boards to strengthen internal controls and provide actionable recommendations. Clients receive detailed management letters to improve governance and financial transparency.
Estate Planning
Estate Planning services focus on minimizing tax exposure while preserving assets for future generations. We assist with wills, trusts, and healthcare directives tailored to Long Island's real estate values. Our strategies align with current tax laws to ensure clients' legacies are protected efficiently.
QuickBooks Advisory
QuickBooks Advisory services help businesses streamline financial operations with certified Pro-Advisors. We implement and optimize accounting systems for improved cash flow management. Clients gain access to customized solutions that enhance accuracy and decision-making for small to mid-sized enterprises.
People
Thomas E. Oplinger
Partner
Thomas Oplinger, CPA, joined the firm in 1976 and expanded its focus to include audits and consulting. He emphasizes personal service and community involvement, holding leadership roles in local organizations like the Southampton Chamber of Commerce.
Robert J. Strebel
CPA
Robert J. Strebel, CPA, contributes expertise in accounting and client advisory services. His work supports the firm's commitment to delivering precise financial solutions tailored to diverse business needs on Eastern Long Island.
Meg Wernersbach
EA
Meg Wernersbach, Enrolled Agent, specializes in tax preparation and planning. Her skills ensure clients receive compliant, strategic guidance for individual and business tax matters, reflecting the firm's dedication to excellence.
Questions
What accounting services do you offer for non-profits?
We provide audits, tax filings (990, 990-T), and internal control assessments tailored to non-profits, ensuring compliance and operational efficiency.
How can you assist with condominium financial management?
We offer audited financial statements, tax return preparation, and management letters to strengthen internal controls for condominiums and co-operatives.
Do you provide estate planning services?
Yes, we specialize in estate and trust planning to minimize tax exposure and preserve assets for future generations.
Are you available for year-round tax advice?
Yes, we offer ongoing tax guidance to help clients navigate changing regulations and optimize financial strategies.
What areas do you serve?
We primarily serve Eastern Long Island, including Southampton, Riverhead, and surrounding communities.