What Morrison Mahoney LLP does

Morrison Mahoney LLP is a privately-held American law firm founded in 1948 and headquartered in Boston, Massachusetts. The firm provides litigation defense and business advisory services through more than 180 attorneys across ten offices in the Northeast United States (Massachusetts, Rhode Island, Connecticut, New York, New Jersey, New Hampshire) and a liaison office in London, United Kingdom. Its core offering is civil litigation—particularly insurance defense, medical malpractice, professional liability, product liability, construction, employment, long-term care, and tort defense—supplemented by corporate counseling and insurance coverage work. Key client segments include insurance carriers and reinsurers (including London market and Continental-based insurers), healthcare providers and long-term care facilities, licensed professionals (attorneys, architects, engineers, brokers), and regional/national businesses.

The firm's business model is professional services-based, with revenue generated through hourly billing, contingency arrangements, and fixed fees depending on practice area. Client acquisition is driven by reputation, industry recognition, professional bar association leadership, and the firm's membership in the ALFA International global legal network, rather than by a sales-driven or technology-led go-to-market motion. The firm does not operate a proprietary technology platform; its product is human legal expertise delivered by partners and associates across its office network. Morrison Mahoney markets through thought leadership publications (insurance and health law newsletters), Best Lawyers rankings, Massachusetts Lawyers Weekly recognition, and bar association involvement.

Strategic positioning is that of a mid-sized regional defense firm with national Best Lawyers recognition in Construction Law and Litigation-Construction, and a growing footprint in specialty verticals such as long-term care and D&O liability. The firm is governed as a limited liability partnership with Managing Partner Grace V.B. Garcia overseeing strategy, supported by active partner promotions (five new partners in 2025) and external leadership signals such as Michael H. Hayden's presidency of the Massachusetts Bar Association (2025-26). The firm does not disclose financials and shows no AI/technology platform investments in its public profile.

Name

Morrison Mahoney LLP

Legal name

Morrison Mahoney LLP

Website

https://morrisonmahoney.com

Company type

Private

Founded year

1948

Operating status

Operating

Headcount range

251–500 employees

Short description

Morrison Mahoney LLP is a Boston-headquartered litigation and business law firm founded in 1948 with 180+ attorneys across 10 Northeast US and London offices, serving insurance carriers, healthcare providers, licensed professionals, and corporate clients with defense and advisory services.

Ownership category

akta.pro rank

Headquarters

HQ city

Boston

HQ country

United States

HQ region

North America

Offices11 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Legal Services - Civil Litigation and Advisory: Revenue generated from legal representation in civil litigation, insurance defense, professional liability defense, and corporate advising services. Services provided to insurance companies, healthcare providers, businesses, and licensed professionals.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Morrison Mahoney LLP is a regional litigation and business law firm that provides legal representation and advisory services through practice areas including civil litigation, insurance defense, medical malpractice defense, professional liability, product liability, construction law, employment and labor, long-term care liability, tort defense, directors and officers liability, workers' compensation, and corporate advising. The firm serves insurance companies, healthcare providers, licensed professionals, and corporate clients through ten offices across the U.S. Northeast and a London liaison office.

Product overview

Morrison Mahoney LLP is a regional litigation and business law firm offering a comprehensive suite of legal services. The firm operates as a unified practice with no distinct software products or modules—its offering consists of legal practice areas including civil litigation as the core service, supplemented by specialized practice areas such as insurance law, medical malpractice defense, professional liability, product liability, construction law, employment and labor law, long-term care liability, tort liability, and workers' compensation. The firm also maintains a London market practice to serve international insurance clients. With over 180 attorneys across ten offices, the firm provides integrated legal solutions combining litigation expertise with corporate advising capabilities.

Differentiator

Problem solved

Functional benefit

Products and services

• Civil Litigation Full-service civil litigation representation covering trials, courtroom success, and all phases of litigation from pre-trial dispositive motions to trial on the merits, for insurance companies, healthcare providers, businesses, and professionals.
• Insurance Law Insurance coverage litigation, policy drafting, and risk analysis services including casualty insurance, excess claims monitoring, first party property claims, and cyber risk coverage, for insurance carriers and reinsurers.
• Corporate Advising Business counseling and advisory services for corporate clients on complex legal matters and business strategies.
• Medical Malpractice Defense Defense of medical providers and facilities in catastrophic injury and malpractice litigation.
• Professional Liability Defense of attorneys, real estate professionals, insurance brokers, architects, engineers, and other professionals in malpractice claims and disciplinary proceedings.
• Product Liability Defense of clients against product liability claims including multi-million dollar traumatic injury claims.
• Construction Law Construction litigation and related legal services including construction defect matters.
• Employment and Labor Employment law defense including discrimination, retaliation claims, wage and hour disputes, and ADA compliance.
• Long-Term Care and Senior Care Facilities Defense of skilled nursing facilities, assisted living facilities, and long-term care providers in liability matters.

Quantifiable outcome

• Ranked nationally in Best Lawyers 2026 Best Law Firms guide in Construction Law and Litigation-Construction
• +2 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles4 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• ALFA InternationalcoreStrategic or Co-development PartnerALFA International is a global network of independent law firms. Morrison Mahoney is a member of this network, which enables the firm to serve clients with international legal needs and collaborate with member firms worldwide.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Gordon Rees Scully Mansukhani: Largest U.S. insurance defense firm with 1,800+ attorneys across 50+ offices. Directly comparable to Morrison Mahoney in core practice mix (insurance defense, professional liability, employment) but at materially greater national scale.
• Marshall Dennehey: Major insurance defense firm with similar Northeast/Mid-Atlantic concentration and deep medical malpractice, professional liability, and casualty defense practices. Closest head-to-head competitor for insurance carrier panel work.
• Wilson Elser Moskowitz Edelman & Dicker: National insurance defense and litigation firm with strong Northeast presence and overlapping practice areas in professional liability, medical malpractice, and coverage counsel — directly competitive for the same carrier clients.
• White and Williams: Northeast-based litigation and business law firm of comparable size with strong insurance, professional liability, and healthcare practices; competes directly with Morrison Mahoney in Philadelphia/Connecticut/Massachusetts markets.
• Rivkin Radler: Long Island/Northeast law firm with a comparable insurance defense, professional liability, and healthcare liability practice mix, very similar size profile, and similar enterprise client base.
• Hinman Straub: Albany, NY-based firm with overlapping government affairs, insurance, and litigation practices serving Northeast enterprises — a regional peer competing for similar institutional clients.
• Post & Schell: Philadelphia-headquartered firm with a strong insurance defense, professional liability, and healthcare practice; comparable in size and directly competitive in Mid-Atlantic insurance carrier panel work.
• Connell Foley: New Jersey-based firm of similar scale with overlapping insurance defense, professional liability, and commercial litigation practices serving enterprise clients across the Northeast.

Emerging players

• Anderson Kill: Northeast-based litigation boutique with notable insurance recovery and coverage practice; partial overlap with Morrison Mahoney's insurance coverage litigation work and a meaningful London office presence.

Others

• ALFA International: Global network of independent law firms of which Morrison Mahoney is a member. Not a direct competitor but a strategic partner that both enables cross-border client service and exposes the firm to lateral recruitment pressure from peer network firms.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/morrison-mahoney-llp

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Morrison Mahoney LLP