US Accounting Market

Tax preparation services in Boston, MA

418 firms in Boston employ someone the IRS credentials to prepare returns, and 285 of them are one-person practices. Grouped below by size, smallest first — because that is the shelf most people actually need.

Solo practices — one credentialed preparer

Where most small businesses end up. You deal with the person doing the work — and with their holiday schedule. Boston has 285 of them.

FirmPeopleCredentialsPhoneWebsite
Accomplice1EA(617) 588-2600accomplice.co
Advanced Power Services (NA) Inc.1CPA(617) 456-4723
Alan J. Hartstone, CPA1CPA(978) 302-0768
Almaden Law Group, P.C.1ATTY(617) 544-9663www.almadenlaw.com
Altimeter Capital1CPA(339) 329-9883www.altimeter.com
Altman Solon1CPA(617) 753-7200www.altmansolon.com
Amy Lee Slade, LLC1ATTY(617) 227-8662
Amy Witherbee1ATTY(617) 201-5451
AndersenTax1ATTY(781) 292-8409www.wtas.com
Andrew J. Wilson & Co., LLC1CPA(617) 448-4405
Anthony Vincent DiBiasio1CPA(978) 914-5161deloitte.com
Aptiv1CPA(617) 784-6784
ArentFox Schiff LLP1ATTY(617) 973-6198www.afslaw.com
Arrowood LLP1ATTY(617) 849-6200www.arrowoodllp.com
Ascensus1ERPA(312) 488-6727
Attorney at Law1ATTY(617) 750-0765
Back Bay Accounting and Tax1EA(617) 578-0800preptaxesonline.com
BAIN CAPITAL LP1EA(617) 516-2086
Baker Newman Noyes1EA(617) 303-4884www.bnncpa.com
BANK OF AMERICA NA1CPA(617) 434-2048bankofamerica.com
Bass, Doherty & Finks, PC1ATTY(617) 787-5551www.bassdoherty.com
Battery Management Company1CPA(617) 948-3600www.battery.com
BATTERY VENTURES1CPA(617) 948-3600www.battery.com
Baystate Advisors Group LLC1AFSP(617) 839-5022www.baystateadvisorsgroup.com

Showing 24 of 285, alphabetically.

Small firms — 2–5 credentialed preparers

Cover for each other through filing season, still small enough that a partner knows your file. Boston has 78 of them.

FirmPeopleCredentialsPhoneWebsite
AAFCPAs3CPA(508) 494-3760www.aafcpa.com
Acadia Management Co. Inc.2ATTY(617) 426-5755www.acadiamanagement.com
Accounting firm2ATTY, CPA(617) 530-5000www.pwc.com
Alvarez & Marsal4ATTY(401) 234-3957www.alvarezandmarsal.com
Alvarez & Marsal Tax LLC2ATTY, EA(617) 990-7897alvarezandmarsal.com
Alvarez and Marsal2ATTY, CPA(609) 707-4770www.alvarezandmarsal.com
Anomaly CPA2CPA(217) 273-5976www.anomalycpa.com
Barneke and Anderson, LLP2CPA(617) 542-8155barnekeanderson.com
Bass, Doherty & Finks, P.C.2ATTY(617) 783-0493www.bassdoherty.com
BDO USA, P.A.2CPA(617) 456-2410www.bdo.com
BFA LLC2AFSP, EA(617) 523-7111www.bfallc.net
Broude & Hochberg, LLP5ATTY(617) 748-5100broude.com
CAPTRUST5CPA(617) 488-2748www.captrust.com
Casner & Edwards LLP4ATTY(617) 426-5900www.casneredwards.com
Casner and Edwards LLP3ATTY(617) 426-5900www.casneredwards.com
CBIZ & MHM Inc2CPA(617) 761-0600www.cbiz.com

Showing 16 of 78, alphabetically.

Mid-sized firms — 6–20 credentialed preparers

Specialists on staff for anything unusual: multi-state, audits, valuations. Boston has 43 of them.

FirmPeopleCredentialsPhoneWebsite
Andersen17AFSP, ATTY, CPA, EA(617) 292-8449andersen.com
Andersen Tax LLC15ATTY, CPA, EA(860) 214-6013www.andersen.com
BDO13ATTY, CPA, EA(617) 422-0700www.bdo.com
BDO USA, P.C.11AFSP, ATTY, CPA, EA(917) 365-7878www.bdo.com
Berkshire Partners LLC6ATTY, CPA, EA(617) 316-6300www.berkshirepartners.com
CBIZ MHM, LLC6CPA(617) 761-0705cbiz.com
CFGI8AFSP, ATTY, CPA, EA(617) 531-8270www.cfgi.com
Choate, Hall & Stewart LLP14AFSP, ATTY, CPA, EA(617) 248-5240www.choate.com
Darmody, Merlino & Co., LLP6CPA, EA(339) 222-1541www.darmodymerlino.com
Deloitte Tax, LLP9ATTY, CPA(617) 437-2000www.deloitte.com

Showing 10 of 43, alphabetically.

Large and national firms — 21 or more credentialed preparers

Listed for completeness. Minimum engagements here run into five figures and most do not take small-business clients at all. Boston has 12 of them.

FirmPeopleCredentialsPhoneWebsite
BDO USA31ATTY, CPA, EA(617) 239-7008www.bdo.com
CBIZ22AFSP, ATTY, CPA, EA(617) 761-0739cbiz.com
CBIZ Advisors, LLC42AFSP, ATTY, CPA, EA(617) 807-5190cbiz.com
CohnReznick LLP21CPA, EA(617) 478-9433www.cohnreznick.com
Day Pitney LLP23ATTY, CPA(617) 345-4602www.daypitney.com
Deloitte Tax LLP136AFSP, ATTY, CPA, EA, ERPA(617) 602-5866www.deloitte.com
Ernst & Young LLP122AFSP, ATTY, CPA, EA(617) 375-2401ey.com
KPMG LLP139ATTY, CPA, EA(857) 324-5703www.kpmg.com
PricewaterhouseCoopers LLP164AFSP, ATTY, CPA, EA(508) 934-6672pwc.com
PwC US Tax LLP192AFSP, ATTY, CPA, EA(207) 232-6069www.pwc.com
Ropes & Gray LLP32ATTY, EA, EAC(617) 951-7081ropesgray.com
RSM US LLP21ATTY, CPA, EA(617) 241-2730www.rsmus.com

Firms with a phone number on file only — without one the listing cannot be acted on. Order inside each group is alphabetical: the IRS records a credential, not the quality of the work, and we have no basis to rank.

Which size fits you

The four big names at the bottom of this page audit listed companies. They will not file a return for a plumbing business, and their minimum engagement is larger than most small firms bill in a year. Listing them is completeness, not a suggestion.

For a business under a few million in revenue the real choice is between a solo practice and a small firm. A solo is cheaper and knows your business personally; the risk is that one person is also one point of failure in March. A firm of three to five costs more and covers that, which is what you are paying the difference for.

The Boston market in numbers

Tax Preparation Services (NAICS 541213), Boston-Cambridge-Newton, MA-NH Metro Area, 2022
Establishments43426,819 nationwide
Employees2,081124,830 nationwide
Average annual pay$36,153$25,031 nationwide
Employees per firm4.84.7 nationwide

Why the two counts differ. The list above covers the city of Boston and comes from the IRS, which records every credentialed accountant including sole practitioners working from home. The table covers the whole Boston-Cambridge-Newton, MA-NH Metro Area and comes from the Census, which counts only businesses with paid employees. Different areas, different definitions — they are not meant to match.

At 4.8 employees per establishment, Boston is a market of very small practices. Nationally the same code averages 4.7 (very small practices), so firms here are larger than typical — which is the clearest signal of what you will be quoted.

Storefront and seasonal preparers. Average pay in this code is low nationwide because much of the work is part-time and seasonal.

Tax preparation in other metros

Other accounting services in Boston

Questions

How many tax preparers are there in Boston?
418 firms in Boston employ someone the IRS credentials to prepare returns — that includes CPAs, enrolled agents, attorneys and holders of the Annual Filing Season Program record.
What is the difference between a CPA, an enrolled agent and an AFSP preparer?
All three may prepare your return. A CPA, an enrolled agent and an attorney can also represent you before the IRS in an audit or appeal. An AFSP holder can only represent you on a return they prepared themselves. If representation matters to you, ask about the credential before you ask about the price.
What do accountants earn in Boston, MA?
Average annual pay in this category is $36,153 across Boston-Cambridge-Newton, MA-NH Metro Area, against $25,031 nationally. Pay is a rough proxy for what a market charges: firms in expensive cities bill more because they pay more.
How do I check that an accountant is actually licensed?
The IRS publishes a directory of credentialed preparers, and every state board of accountancy runs a licence lookup. The listings on this page come from the IRS record, which shows a credential — it does not say anything about the quality of the work, and this site does not rank firms.

Firm list: IRS Return Preparer PTIN listing, released under the Freedom of Information Act, February 2026. Market figures: U.S. Census Bureau, County Business Patterns 2022. We publish firm-level records only — no individual names or street addresses. Last updated .