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Business Details
50+ Years
experience
Your Trusted Accounting Partner in Massachusetts
Vallas & Arrison is a trusted accounting firm dedicated to providing exceptional tax and financial services to individuals and businesses. With over 50 years of combined experience, our certified public accountants prioritize personalized attention, ensuring clients receive tailored solutions that align with their unique needs. We specialize in tax compliance, financial reporting, and strategic planning, helping clients navigate complex regulations with confidence. Our commitment to transparency and communication ensures no surprises, fostering long-term partnerships built on trust. Serving Massachusetts and New Hampshire, we pride ourselves on being accessible year-round, offering expertise that extends beyond tax season.

Our clients consistently highlight our responsiveness, deep industry knowledge, and ability to simplify financial complexities. Whether supporting small businesses or guiding individuals through tax matters, we approach every engagement with professionalism and a focus on client success. Our reputation for excellence is reflected in testimonials from satisfied clients who value our proactive approach and dedication to their financial well-being.
Services
Tax Preparation Accounting Services Audit Representation Financial Planning IRS Consultation
Details
  • Year established: 1975
Highlights and features
  • We have over 50 years of combined experience in tax compliance and financial reporting.
  • Our certified public accountants provide year-round support beyond tax season.
  • Clients praise our responsive communication and transparent billing practices.
  • We specialize in simplifying complex IRS and state tax requirements for businesses.
  • Proven track record of streamlining accounting processes for small businesses.
What people say
Knowledgeable and experienced Responsive and sensitive No surprises with billing Streamlined accounting process Seasoned professional
Services
Tax Preparation
Our tax preparation services ensure accurate and compliant filings for individuals and businesses. We specialize in navigating complex IRS regulations while identifying opportunities to minimize liabilities. Clients benefit from year-round support and strategic planning that extends beyond traditional tax season.
Accounting Services
We provide comprehensive accounting solutions including financial statement preparation and compliance reporting. Our approach emphasizes clarity and organization, helping businesses maintain accurate records that support informed decision-making throughout the year.
Audit Representation
Professional representation during IRS audits ensures clients receive expert guidance through complex examinations. We advocate for our clients' interests while maintaining compliance, leveraging decades of experience to resolve issues efficiently and effectively.
Financial Planning
Strategic financial planning services help individuals and businesses achieve long-term goals. We develop customized roadmaps that address tax implications, investment strategies, and organizational financial health to maximize growth potential.
IRS Consultation
Expert consultation services address complex tax scenarios for businesses and individuals. We provide actionable guidance on compliance matters, dispute resolution, and proactive strategies to optimize tax positions while mitigating risks.
People
Thom Arrison
Certified Public Accountant
Experienced CPA with over 20 years of expertise in tax strategy and financial planning. Recognized for responsive client service and ability to simplify complex accounting challenges while maintaining compliance.
Denise H.
Residential Manager
Longtime client and professional collaborator who praises Thom's exceptional responsiveness and deep understanding of client needs through years of successful partnership.
Terry L.
Business Owner
Client since 2004 who highlights Thom's proactive approach to streamlining accounting processes and maintaining transparent communication throughout the business relationship.
Questions
What accounting services do you offer for small businesses?
We provide comprehensive accounting services including tax preparation, financial reporting, audit representation, and strategic financial planning tailored to small business needs.
How can you help with IRS audit representation?
Our experienced CPAs provide expert guidance and representation during IRS audits, ensuring compliance while protecting your interests throughout the examination process.
Do you offer year-round financial support?
Yes, we provide ongoing financial consultation and tax planning services beyond traditional tax season to support clients throughout the year.
What areas do you serve?
We primarily serve Massachusetts and New Hampshire, with offices located in Littleton and Burlington, Massachusetts.
How do you handle complex tax situations?
Our team specializes in navigating complex IRS regulations and state tax requirements, providing customized solutions that ensure compliance and optimize financial outcomes.