Key takeaways

For law firm leaders, the most important question is no longer whether legal management service organizations (MSOs), private equity or alternative business structures will gain traction. The more consequential question is whether the traditional law firm model can still support the level of investment, leadership transition, scale and operational sophistication required to compete.

Law firm MSOs reflect a broader shift in how value is created and sustained in a profession historically anchored in annual profitability and partner distributions. Whether an MSO is the right answer for any particular firm is a separate question. The forces making the model more relevant are already reshaping the broader legal landscape.

The driving concern: Enterprise value

For decades, the economics of many law firms were built around a familiar formula. Partner contributions and retained earnings funded growth, while client relationships and institutional knowledge often remained concentrated among a relatively small group of key partners. Operational infrastructure enabled the firm, but it was rarely treated as a source of strategic advantage.

That formula is becoming harder to sustain as the capabilities that create durable enterprise value change. Firms are under pressure to make meaningful investments in artificial intelligence-enabled tools, stronger cyber protections, modern knowledge systems, workflow technology, data analytics and the commercial disciplines needed to price and manage work more effectively.

These pressures are compounded by the fact that law firms remain a top target for cybersecurity attacks, given the sensitive client information they store. But many—especially small and midsize firms—struggle to make the investments needed to adequately protect their systems.

For many firms, senior partners are also retiring, and clients expect legal services to become more efficient, transparent, predictable and technology-enabled. The result is a set of warning signs that many firms recognize: fragmented data, inconsistent technology adoption, limited visibility into profitability and growing tension between long-term investment needs and annual partner economics.

Enterprise value is becoming a practical leadership issue. It is not limited to what a law firm might be worth in a sale. It is also reflected in the firm’s resilience, its ability to transition relationships and leadership, the strength of its institutional knowledge, and its capacity to fund the next stage of growth. Firms create value when they turn client relationships, operating knowledge, management discipline and technology into capabilities that are embedded in the organization.

Progress is evident when the firm makes better decisions with reliable data, delivers a consistent client experience, transitions relationships and leadership effectively, and scales without relying on individual effort to compensate for gaps in process or infrastructure.

The law firm MSO structure

Legal MSOs separate the delivery of legal services from the business infrastructure that supports those services. This structure is designed to comply with American Bar Association Model Rule 5.4, which heavily restricts fee sharing with nonlawyers and nonlawyer ownership of law firms. The law firm remains lawyer-owned and retains control over legal judgment, client representation and professional responsibilities. A separate management organization provides the operational platform needed to support areas such as technology, finance, marketing, recruiting, analytics and administration.

The lawyers at a law firm or an MSO have supervisory responsibilities under ABA Model Rule 5.3 to ensure that the services provided by nonlawyers at the MSO are compatible with the rules of professional conduct. Any model involving separated management services must preserve the duties of the legal profession, including lawyer independence, confidentiality, sound conflict management, client obligations and control over legal judgment.

For example, because MSOs necessarily handle sensitive client information, any MSO arrangement must include data-handling and access protocols to preserve client confidentiality. Additionally, ABA Model Rule 5.6’s prohibition on lawyer noncompetition presents structural challenges. Investors cannot rely on traditional retention mechanisms to protect against lawyer departures, which means MSO transactions often require alternative approaches—such as rollover equity or other incentive structures—to keep interests aligned after closing.

Importantly, outside investment targets the nonlegal services platform rather than the practice of law itself. The appeal for investors is not ownership of legal advice or other aspects of the attorney-client relationship. Instead, it is an opportunity to build and scale operational infrastructure that can support growth, improve efficiency and create institutionalized business capabilities.

To comply with rules against fee splitting, the management fee that a law firm pays to an MSO generally cannot be structured as a percentage of revenue. Instead, the fee must typically take the form of a flat monthly amount, cost-plus arrangement or another structure not directly tied to the firm’s matters, revenues or profits.

Why law firm MSOs have emerged

The MSO model has been used successfully in healthcare for decades and has also been deployed in the accounting and architecture industries, providing a tested framework for separating professional services from business operations. While public transaction data remains limited, activity in the law firm MSO market appears to be accelerating across a range of firm sizes and practice areas.

This increased activity is due, in part, to increased attention on the restrictions of ABA Model Rule 5.4. Arizona has repealed the state’s rule, Utah and Washington have adopted regulatory sandbox programs that provide temporary waivers of their rules, and Puerto Rico relaxed its rule in 2025. Similarly, some jurisdictions have expressly addressed the law firm MSO model. For example, the Texas Center for Legal Ethics has stated that lawyers may contract with nonlawyer-owned MSOs for administrative services, provided the arrangement does not involve revenue-based fees or interference with professional judgment.

The real significance of the model is what it reveals about the market. Many firms recognize that traditional structures were not designed to provide the capital base, management rigor and scalable operating infrastructure now required. A transaction structure alone will not create those capabilities. At best, it can provide a vehicle for accelerating, organizing and funding them.

Questions every law firm leader should be asking

For firm leaders, the rise of legal MSOs should prompt a more fundamental discussion about the kind of organization they are building.

Leaders should ask whether the firm is creating value that can endure beyond the current leadership generation. If growth, client retention and profitability are dependent on a small number of individuals, the firm may have more concentration risk than its current economics suggest.

The same question applies to the operating model. A modern firm needs the capacity to improve its technology environment, protect data, strengthen pricing discipline, manage profitability and deliver a consistent client experience without treating each investment as a one-off initiative.

Just as important, leaders need to consider whether the firm has the governance, management discipline, leadership continuity and process maturity to scale effectively. The right strategic path will depend on the firm’s need for capital, appetite for growth, exposure to succession risk and readiness to rethink traditional partner economics. That path may involve reinvestment, merger activity, outside capital, a managed services structure or continued independence. But the underlying question is the same: Is the firm building enterprise value or simply optimizing annual revenue?

Looking beyond the MSO conversation

Law firm MSOs may be an important option for some firms, but they are not the only path forward. Their broader significance is that they are forcing a direct conversation about how law firms can remain competitive and resilient in a changing market.

Technology investment, operational scale, succession planning, talent strategy and institutional value creation are reshaping the legal industry, regardless of which structure a firm chooses. The firms that respond most effectively will treat operating model development as a strategic priority rather than a back-office concern.

Leaders can clarify future capital requirements, improve management, enhance the quality of financial and client profitability data, establish governance for AI and technology, and address succession risk with greater intention. These actions improve the firm’s strategic position whether it ultimately pursues an MSO, combines with another firm, seeks outside investment or remains independent.

Law firm MSOs are less an isolated trend and more an expression of a larger transformation. The real story is the changing economics of what it takes to build, lead and sustain a modern law firm.

Chrystie Holmstrom and Courtney Miller of the law firm Holland & Knight LLP contributed to this article.