Private equity investors are increasingly targeting insurance defense law firms, attracted by recurring litigation volumes, established relationships with insurers and opportunities to improve operational efficiency through technology, according to Reuters.
The trend is accelerating as investment firms expand beyond personal injury practices into insurance-related legal services using management services organization (MSO) structures.
- Private equity investors are targeting insurance defense firms because of predictable legal workloads, recurring insurer contracts and opportunities to improve efficiency.
- Catalex Network has completed two MSO transactions in eight months, involving law firms with combined annual revenue of $40 mn and approximately 100 lawyers across eight states.
- Charlesbank Capital Partners recently invested in Wood Smith Henning & Berman’s back-office operations through an MSO transaction reportedly valuing the law firm at approximately $700 mn.
Catalex expands investment in insurance defense firms
Catalex Network has completed its second acquisition of insurance defense law firm back-office operations within eight months.
The two firms generate approximately $40mn in combined revenue and employ around 100 lawyers across eight US states, according to Catalex founding partner Jeffrey Goldenhersh.
The firms will continue operating under their existing brands, while Catalex provides capital, administrative support and resources to expand operations and compete for legal talent.
Catalex primarily targets insurance defense practices employing between 20 and 150 lawyers.
Under the MSO model, outside investors acquire stakes in businesses providing non-legal services, including technology, billing, human resources and administrative operations.
This structure allows investors to participate in law firm economics without directly owning the legal practice, which remains subject to professional ownership and independence requirements.
Insurance defense attracts private equity investment
Insurance defense has emerged as one of the most attractive legal services segments for investors, according to lawyers advising on MSO transactions.
Unlike some practice areas that depend heavily on individual cases, insurance defense firms frequently receive a steady flow of litigation assignments from insurance carriers and self-insured corporations.
Insurers have contractual obligations to defend covered claims and often distribute legal work among established panels of outside law firms. These arrangements generate recurring demand for legal services and support relatively predictable business volumes.
Investors also see opportunities to improve profitability through automated billing, litigation management systems, standardized workflows and centralized administration.
The growing use of technology in claims handling and legal services could further strengthen the economics of larger insurance defense platforms.
Charlesbank investment signals further consolidation
In October 2026, Charlesbank Capital Partners announced an investment in WSHB Support Services, a newly established MSO supporting national insurance defense firm Wood Smith Henning & Berman.
Financial terms were not disclosed, although the transaction reportedly valued the law firm at approximately $700 mn.
The investment is intended to support geographic expansion, technology development and improvements to operational infrastructure.
The transaction has increased investor interest in similar businesses, with several other large insurance defense firms reportedly exploring potential agreements.
Tyson & Mendes has confirmed that it is responding to inquiries about establishing an MSO structure. Freeman, Mathis & Gary is also evaluating whether outside investment could support expansion and improve services for clients.
Private equity could reshape insurance defense services
The growing involvement of private equity could accelerate consolidation across the fragmented US insurance defense market.
Smaller and midsize firms may gain access to capital for acquisitions, recruitment and technology investments while retaining control over legal representation.
For insurance companies, larger legal service platforms could offer broader geographic coverage, standardized litigation management and improved reporting. However, the expansion of outside investment also raises questions about maintaining lawyers’ professional independence and managing potential conflicts between investor expectations and client interests.
As more insurance defense firms consider MSO arrangements, private equity is becoming an increasingly significant source of capital for the legal services industry.









