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Your Trusted Accounting Partner in Clifton, NJ
Sansiveri Long is a full-service accounting, tax, and consulting firm based in Clifton, New Jersey, dedicated to delivering personalized financial solutions for individuals and businesses. Our team combines technical expertise with a client-focused approach, offering services ranging from tax preparation and financial planning to payroll management and business consulting. With decades of combined experience, we prioritize staying current with evolving tax laws and leveraging technology to provide accurate, timely, and cost-effective services. Our commitment to personalized service ensures clients receive clear, actionable advice tailored to their unique financial goals.

We serve a diverse clientele, including corporations, partnerships, and non-profits, with a focus on minimizing tax liabilities and maximizing long-term financial success. Our professionals are licensed CPAs actively engaged in industry organizations, ensuring adherence to the highest standards of practice. By blending technical proficiency with a proactive, communicative approach, we aim to be a trusted partner in our clients' financial journeys.
Services
Business Tax Returns Individual Tax Returns Tax Planning Financial Planning Financial Statements Bookkeeping Payroll Services
Highlights and features
  • We offer decades of combined experience in accounting and tax services.
  • Our team includes licensed CPAs actively engaged in professional societies.
  • We provide tailored tax minimization strategies for individuals and businesses.
  • Our technology-driven approach ensures accurate and efficient financial solutions.
  • We prioritize clear communication and personalized service for every client.
Associations and certifications
  • Certified Public Accountants
Services
Business Tax Returns
We prepare federal and state tax returns for all business structures, including corporations, LLCs, and partnerships. Our expertise minimizes tax liabilities while ensuring compliance with evolving regulations. Clients benefit from strategic planning to optimize deductions and credits.
Individual Tax Returns
Our team handles individual tax return preparation for diverse income scenarios. We ensure accurate reporting of investments, real estate, and other assets while identifying opportunities to reduce taxable income through legal deductions.
Tax Planning
We develop long-term tax strategies for individuals and businesses, including mid-year adjustments and forecasting. Our approach aligns with clients' financial goals to ensure tax-efficient decision-making throughout the year.
Financial Planning
Our financial planning services integrate retirement, education, and estate planning with tax optimization. We create customized roadmaps to help clients achieve short- and long-term financial objectives while adapting to life changes.
Payroll Services
We manage complete payroll processing, including tax withholdings, filings, and year-end forms. Our services ensure compliance with federal and state regulations while saving businesses time and reducing administrative burdens.
People
Adam S. Long
Partner
Adam S. Long, CPA, specializes in small business accounting and tax planning. He assists clients in selecting optimal business structures and minimizing tax liabilities through strategic financial planning.
Jonathan Colgary
Partner
Jonathan Colgary, CPA, MBA, focuses on auditing, tax services, and business consulting. With 16 years in public accounting, he provides expertise in financial statement preparation and compliance for diverse industries.
Kathleen Devine
Accounting Specialist
Kathleen Devine, CPA, offers specialized tax and accounting services for individuals and businesses. Her expertise includes maximizing tax savings and simplifying complex financial regulations for clients.
Questions
What accounting services do you offer for small businesses?
We provide bookkeeping, financial statements, payroll processing, and tax compliance services tailored to small businesses' needs.
Do you assist with tax planning for individuals?
Yes, we offer personalized tax planning strategies to minimize liabilities and optimize financial outcomes for individuals.
Can you help with business acquisition or sale planning?
We advise on tax implications, valuation, and financial strategies for buying or selling businesses.
What sets your firm apart from other accountants?
We combine technical expertise with personalized service, leveraging technology to deliver efficient, client-focused solutions.
Reviews (6)
Linda Young
Feb 11, 2022 Report
Conducted business over the phone. Amy in Records Management was extremely helpful and courteous. She located the information I needed and called me back in a very short time.
David Jokines
Apr 28, 2021 Report
Conducted business over the phone. They were extremely helpful and knowledgeable about how I should complete my documents.
Kimberly
Dec 24, 2020 Report
Can't go see county property appraisers were very helpful in my endeavor. Very good customer service!
Kenneth Goyens
Nov 04, 2020 Report
I believe the clerks office must be way behind on recording transactions, as i filed docs few months ago and still not recorded, although they say it is. Maybe Covid is at fault.
Marlon John
Jun 05, 2020 Report
The traditions branch is amazing, big, lots of parking and staff is super nice.nice job St Lucie County.
Patricia Kutsmeda
May 23, 2018 Report
Had a very pleasant experience at the tax appraisers office on October 27th. We were welcomed politely and all our questions were answered for Homestead filing by a very knowledgeable service representative, Juanita Gomez. She helped us through process and made the process painless. She offered information for future filing and eligibility. She is true asset to your office. Thank you Juanita. Stephen and Patricia