Accountant for Massachusetts small businesses
Online bookkeeping, payroll support, sales tax tracking and tax-ready books for businesses in Boston, Worcester, Springfield, Cambridge and Lowell — and every other part of Massachusetts.
Massachusetts startups and professional practices need payroll that handles PFML and owners who need planning around the 4% surtax.
What makes accounting in Massachusetts different
- Massachusetts adds a 4% surtax on income above a high threshold (the 'millionaires tax').
- Employers contribute to the Paid Family and Medical Leave program.
Rates shown are state-level 2026 rates published by the Tax Foundation; local taxes are extra. Always confirm current rates and deadlines with the Massachusetts Department of Revenue.
Accounting services for Massachusetts businesses
Monthly bookkeeping for Massachusetts businesses
Every transaction categorized and every account reconciled, with a P&L and balance sheet by the 15th — for companies in Boston, Worcester, Springfield and everywhere else in Massachusetts.
Open →MA3.2Massachusetts sales tax tracking
Massachusetts's state rate is 6.25%, plus any local rates. We configure collection by location and reconcile what you collect to what you remit to the Massachusetts Department of Revenue.
Open →MA3.3Massachusetts payroll support
State withholding (graduated, 5% to 9%), unemployment insurance and any local or paid-leave requirements set up through Gusto, ADP or QuickBooks Payroll.
Open →MA3.4Tax-ready books for Massachusetts filings
Massachusetts adds a 4% surtax on income above a high threshold (the 'millionaires tax'). We prepare the books and schedules your tax professional needs for it.
Open →Massachusetts industries we know well
Technology & biotech
A common client profile for us in Massachusetts. We tailor the chart of accounts, reports and tax tracking to how technology & biotech businesses actually work.
Education
A common client profile for us in Massachusetts. We tailor the chart of accounts, reports and tax tracking to how education businesses actually work.
Professional services
A common client profile for us in Massachusetts. We tailor the chart of accounts, reports and tax tracking to how professional services businesses actually work.
Massachusetts accounting FAQ
No. Bookkeeping, payroll support and financial reporting are done in cloud software, so we serve Massachusetts businesses — from Boston to Lowell — entirely online, with video calls scheduled in Eastern time. What you need is someone who knows Massachusetts's rules, which is what this page is about.
Yes. For 2026, Massachusetts's individual income tax is: graduated, 5% to 9%. Owners of LLCs and S corporations generally pay it on their share of business profit, so accurate books directly affect the tax bill.
The state-level rate is 6.25%. Local rates can add more depending on where the sale happens or is delivered, so your systems need to charge the combined rate for each location. Confirm current rates with the Massachusetts Department of Revenue.
We are an accounting and bookkeeping firm, not a CPA firm, so we do not sign or file returns. We prepare the books, schedules and Massachusetts-specific details your CPA or Enrolled Agent needs, and coordinate with them directly. If you need a preparer, we can introduce you to one.
- 1Free call in Eastern timeTell us about your business, your software and which states you operate in.
- 2Hours estimate at $15/hourA written scope and an hours estimate at $15 per hour within one business day.
- 3Books current in weeksCatch-up first if you are behind, then monthly books closed by the 15th.
Get a free quote from a Massachusetts accountant
Reply from Jay within one business day with a written scope and an estimate of hours at $15 per hour. No obligation.
Neighboring states we also serve
Accountant in New Hampshire · Accountant in Vermont · Accountant in New York · Accountant in Connecticut · Accountant in Rhode Island
Cities in Massachusetts
Ready for books you can trust in Massachusetts?
Twenty minutes, no obligation. You will leave the call knowing what your books need and what it costs.