Business Details
34 Years
experience
Expert CPA Services for Tax & Accounting Needs
At Vallas & Arrison, we pride ourselves on delivering expert CPA services rooted in over 50 years of combined experience. Our team of certified professionals works closely with individuals, small businesses, and non-profits to provide tailored tax preparation, accounting, and financial planning solutions. With offices in Littleton and Burlington, Massachusetts, we serve clients across Massachusetts and New Hampshire, ensuring clarity and compliance in every engagement. Our approach emphasizes year-round support, strategic tax minimization, and personalized attention that sets us apart from larger firms.Clients trust us for our deep technical expertise, responsive communication, and commitment to simplifying complex financial matters. From audit representation to QuickBooks implementation, we deliver actionable insights that empower clients to make informed decisions. As active members of the Massachusetts Society of CPAs and the American Institute of CPAs, we maintain rigorous professional standards while fostering long-term relationships built on transparency and results-driven service.
Services
Tax Preparation
Accounting Services
Audit Representation
QuickBooks Support
Retirement Planning
Details
- Year established: 1992
Highlights and features
- We combine over 50 years of tax compliance and financial reporting expertise.
- Our CPAs offer personalized support and IRS representation for complex audits.
- We serve Massachusetts and New Hampshire clients with tailored accounting solutions.
- Quarterly performance reviews help businesses track key financial metrics.
- Our team includes specialists in QuickBooks implementation and retirement planning.
Associations and certifications
- Certified Public Accountants (CPA)
What people say
Responsive and knowledgeable
Great work
Trusted advisors
No surprises
Professional expertise
Services
Tax Preparation
Comprehensive preparation of federal and state tax returns for individuals, businesses, and corporations. Our CPAs specialize in complex tax scenarios, audit representation, and year-round tax planning to minimize liabilities while ensuring compliance with evolving regulations.
Accounting Services
Full-cycle accounting support including bookkeeping, financial statement preparation, and cash flow analysis. We help businesses maintain accurate records, meet reporting requirements, and leverage financial data for strategic decision-making through regular performance reviews.
Audit Representation
Professional representation during IRS and state tax audits. Our team manages communication, documentation, and negotiations to resolve audits efficiently while protecting client interests and ensuring compliance with tax code requirements.
QuickBooks Support
Implementation, training, and troubleshooting services for QuickBooks users. We optimize software configurations for business needs, provide ongoing technical support, and train staff to maximize accounting efficiency through cloud-based and desktop solutions.
Retirement Planning
Custom retirement strategies balancing business growth and personal financial goals. We analyze current financial positions, model projections, and develop actionable plans to ensure retirement objectives are met within tax-advantaged frameworks.
People
Thomas Arrison
CPA, MBA
With 25+ years as firm owner/partner, Thom provides tax and accounting expertise. He holds an MBA from Northeastern University and specializes in business development strategies for small businesses.
George Vallas
CPA
George brings 19 years of public accounting experience, specializing in GAAP compliance, audits, and international reporting. He focuses on delivering tailored solutions for individuals and mid-sized businesses across multiple industries.
Janet Bersani
Tax Specialist
Janet has supported Vallas & Arrison since 1996, combining tax preparation expertise with a background in environmental planning and urban studies. She contributes specialized knowledge during busy tax seasons.
Sharon McClory
Accountant
With a Masters in Accounting from Bentley University, Sharon provides comprehensive accounting services. She focuses on accurate financial reporting and client education to simplify complex accounting principles.
Annie Kassardjian
Enrolled Agent
Annie offers 12 years of accounting experience and holds specialized credentials as an Enrolled Agent. Fluent in Armenian, she combines technical expertise with multilingual client support for diverse business needs.
Questions
What tax services do you offer?
We provide federal/state tax preparation, audits, tax minimization strategies, and IRS representation for individuals and businesses.
What accounting services are available?
Services include bookkeeping, financial statement preparation, budget analysis, QuickBooks support, and audit/compilation services.
How do you handle audit representation?
Our CPAs represent clients before the IRS and state agencies, ensuring professional handling of audit processes and compliance.
Do you support QuickBooks users?
Yes, we offer QuickBooks setup, training, troubleshooting, and integration tailored to small business financial management.
Can you help with retirement planning?
We develop personalized retirement strategies aligned with business goals and individual financial objectives.
How can I make payments?
Secure payments can be made online through our encrypted payment portal accessible from our Contact page.
