Tax Preparation
Professional federal and state tax return preparation for individuals, families, and self-employed filers. We maximize your refund and…
From $149
Learn More →
IRS Authorized · CAA · Bilingual Service
Expert Tax Services You Can Trust
Maximize your refund and minimize your stress. Professional tax preparation, ITIN services, and year-round accounting for individuals and businesses in Waltham, MA.
IRS Authorized CAA
ITIN Specialists
5-Star Rated
Bilingual Service
500+Clients Served
15+Years Experience
$2M+Refunds Secured
What We Do
Comprehensive Tax & Financial Services
From individual tax returns to full business accounting, ITIN services, and IRS representation — we handle everything with precision and care.
Tax Planning
Year-round strategic tax planning that legally minimizes what you owe. We help individuals and businesses plan ahead so…
From $299
Learn More →Payroll Processing
Complete, accurate payroll processing so you never miss a deadline or misfile a payroll tax. We handle calculations,…
From $99
Learn More →Business Formation
Start your business right with professional LLC, S-Corp, and C-Corp formation — including EIN, operating agreements, and state…
From $399
Learn More →Bookkeeping & Accounting
Clean books, accurate financial statements, and audit-ready records — so you always know where your business stands and…
From $199
Learn More →Notary Services
Certified notary public services for tax documents, legal forms, affidavits, loan packages, immigration documents, and more. Walk-ins welcome.
From $25
Learn More →ITIN Services
Professional ITIN application and renewal services from a Certified Acceptance Agent. We verify your documents on-site — no…
From $250
Learn More →IRS Representation & Tax Problem Resolution
Facing an IRS audit, tax debt, or unfiled returns? We represent you before the IRS and work to…
From $350
Learn More →
IRS Authorized
Certified Acceptance Agent
Need an ITIN? We Are IRS-Authorized CAA.
As a Certified Acceptance Agent, we verify your identity documents at our office — so you never have to mail your original passport or ID to the IRS. New applications, renewals, and dependent ITINs. Bilingual service available.
Helpful Tools
Tax Tools & Resources
Quick access to the most important IRS and Massachusetts tax tools — check your refund, calculate credits, and more.
Client Reviews
What Our Clients Say
"Wilson helped me get a larger refund than I expected and explained every line of my return. Professional, thorough, and genuinely helpful."
Maria R.Individual Client
"I have been using Tax Smart Service for three years for my small business. They handle payroll, bookkeeping, and taxes — all year long. Highly recommend."
Carlos M.Business Owner
Transparent Pricing
Simple, Honest Pricing
No hidden fees. No surprises. Flat-rate pricing so you know exactly what you are paying before we begin.
Starter Return
$149 starting at
- Federal & state return
- W-2 income
- Standard deductions
Standard Return
$299 starting at
- Everything in Starter
- Schedule C business income
- Itemized deductions
Business Package
$499 starting at
- Everything in Standard
- Business entity return
- Monthly bookkeeping