Practice × location ranking

Best Professional Liability law firms in Boston

Grouped into editorial tiers — words, never scores. No paid placement and no numeric rank; within a tier the order rotates monthly and carries no meaning.

Last verified 22 Jul 2026 · Next review by 22 Aug 2026 · Change log

Direct answer & research summary

Best Professional Liability law firms in Boston are tiered by Sartori & Partners from public footprint as of July 2026, not from a numeric score: 4 firms sit on this board. Sartori & Partners has completed 400+ placements since 2017 (230+ in-house), including 52 general counsel and chief legal officer searches, with a median of 11 weeks from brief to accepted offer. A NASDAQ-listed medtech in Boston accepted its successor general counsel in week 11, from a shortlist of four at day 24.

01 — The ranking

The Boston Professional Liability board

Sartori's view of the best Professional Liability law firms in Boston groups 4 firms by relative Professional Liability market position in Boston. Tiers are plain-language labels only — never scores — and within-tier sequence rotates without implying rank.

BOSTON × PROFESSIONAL LIABILITY4 FIRMS · NO SCORESREV. 2026-07
REFFIRMBOSTON PROFESSIONAL LIABILITY BANDSIGNAL
TIER 1 — MARKET LEADERS2 FIRMS

This band holds the firms whose Professional Liability presence defines the Boston standard. Labels are editorial words, not scores; monthly order inside the tier carries no meaning.

T1·01 Freeman Mathis Gary10–24 attorneys mapped · major local depth 10–24 ATTORNEYS FLAT → EVID ↓
T1·02 Morrison Mahoney10–24 attorneys mapped · major local depth 10–24 ATTORNEYS FLAT → EVID ↓
TIER 2 — HIGHLY ACTIVE1 FIRMS

Highly active firms show sustained Professional Liability mandate flow and visible malpractice-defense bench strength in Boston, just below the market-leader band. Order inside the tier is non-hierarchical.

T2·01 Manning Gross + Massenburg10–24 attorneys mapped · major local depth 10–24 ATTORNEYS FLAT → EVID ↓
TIER 3 — ESTABLISHED1 FIRMS

Firms in this tier are part of the core Boston Professional Liability map — known, staffed and active on malpractice and E&O matters — with relative standing expressed only in plain language.

T3·01 Lewis Brisbois Bisgaard & Smith10–24 attorneys mapped · major local depth 10–24 ATTORNEYS FLAT → EVID ↓

All counts are shown as bands, never precise headcounts. Notable firms sit outside the tiers by design: verified minimal presence, not assessed at full tier depth.

Hiring in Boston?

We map this market every day.

The evidence behind these tiers is the same intelligence we use to run retained searches for partners, groups and senior associates.

02 — Evidence, methodology & sources why each firm · how tiers are set · sources · change log · verified 22 Jul 2026 · next review 22 Aug 2026

Firm evidence

Tier 1 — Market leaders Open firm profile →

Freeman Mathis Gary

Freeman Mathis Gary is placed in market leaders for Professional Liability in Boston. Public mapping (banded): 10–24 attorneys, major local depth, ≈15 partners · 0 counsel · 5+ associates. Evidence gates — office (G1) PASS, local practice (G2) PASS, recent signal (G3) PASS. The placement carries no numeric score.

Strongest mapped work

Litigation & DisputesEmployment & LaborConstruction

Public hiring signal

Hiring signal: FLAT — no public hiring change detected in the mapping window.

Limits of this assessment

  • —A tier is Sartori’s editorial opinion, not a fact about the firm or a client-satisfaction measure.
  • —Facts are mapped from public sources and shown as bands; they lag reality by weeks or months.
  • —No third-party legal-directory band is used as an input.

Sources for this entry

Methodology

How tiers are assigned

Deterministic public-footprint core (local depth, practice share, seniority mix, public hiring momentum), computed relative to this market's own distribution. Tier placement is derived from this public mapped data; a per-firm public-source ledger is compiled for firms in the annual research pass and applies to those firms' factual claims, not to tier membership. No third-party legal-directory bands are used as an input.

Market scope

1–4 firms earn a tier in Boston within this scope (banded).

Disclosures

Firm names used nominatively (factual). All counts shown as bands, never precise headcounts. No firm logos. Report an error via the site contact form.

Sources & change log

  1. 1 Where We Are - Freeman Mathis & Garyfirm_website · G1 · 2026-07-21
  2. 2 Freeman Mathis Gary — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
  3. 3 Freeman Mathis Gary — Boston news & announcementsfirm_website · G3 · 2026-07-21
  4. 4 Morrison Mahoney — Boston office pagesfirm_website · G1 · 2026-07-22
  5. 5 Morrison Mahoney — attorney bios & practice pagesfirm_website · G2 · 2026-07-22
  6. 6 Morrison Mahoney Ranked in the Best Lawyers® 2026 “Best Law Firms” Guide in National and Regional Categories - Morrison Mahoney Trial Attorneys | Morrison Mahoney LLPfirm_website · G3 · 2026-07-22
  7. 7 Locations | MG+M The Law Firmfirm_website · G1 · 2026-07-21
  8. 8 Manning Gross + Massenburg — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
  9. 9 MG+M Boston Office Recognized Among Boston Business Journal's 2026 Best Places to Workfirm_website · G3 · 2026-07-21
22 Jul 2026 Scope-aware market-relative core assembled.
22 Jul 2026 9 verified source(s) ingested for the researched firms; tier placement comes from our own market data so unresearched visible firms do not block approval → APPROVED (auto).
Report an error in this ranking →

04 — Questions

About this ranking

Who are the best Professional Liability law firms in Boston?

As of July 2026, the Tier 1 — Market leaders — among the best Professional Liability law firms in Boston are Freeman Mathis Gary, Morrison Mahoney. The full board groups 4 firms into editorial Professional Liability tiers expressed in words rather than scores; within a tier order rotates monthly and carries no meaning.

Is Freeman Mathis Gary the best Professional Liability law firm in Boston?

Freeman Mathis Gary sits in Tier 1 — Market leaders — of Sartori's Boston Professional Liability board as of July 2026, alongside Morrison Mahoney. Sartori does not name a single #1: the gap between Tier 1 firms is genuinely unmeasurable, and a numeric score would be false precision.

Which firms have the biggest Professional Liability benches in Boston?

By mapped Boston bench, the largest firms on this board are Freeman Mathis Gary, Morrison Mahoney, Manning Gross + Massenburg, Lewis Brisbois Bisgaard & Smith (10–24 mapped lawyers each). All counts are bands, never precise headcounts.

Which Professional Liability teams are hiring in Boston?

As of July 2026, no firm on this board shows a public hiring signal in the mapping window. Live Boston mandates are listed on Sartori's jobs board.

What is a Tier 1 law firm?

In Sartori's rankings, Tier 1 — Market leaders — is an editorial judgement expressed in words, never a score: the firms whose Boston bench depth, seniority mix and market standing set the reference point for the market. As of July 2026 that is Freeman Mathis Gary, Morrison Mahoney. Within the tier no firm outranks another.

Which are the best law firms in Boston overall?

Sartori's overall Boston board groups 25 firms into editorial tiers; as of July 2026 its Tier 1 is Mintz Levin, Ropes & Gray, Choate Hall & Stewart, Goodwin Procter. See /firms/in/boston/.

See the ranking →

This ranking is compiled independently by Sartori from public sources. Tiers are Sartori’s editorial opinion, expressed without numeric scores; firms are named for identification only, no logos are reproduced, and no firm has paid for or approved its placement. No third-party legal-directory band is used as an input. Nothing here is legal advice or a recommendation to instruct counsel.