Alternative Business Structure (ABS)

A legal business entity structure, authorized in England and Wales under the Legal Services Act 2007 and, in different form, under Australia's incorporated legal practice regimes, that permits non-lawyers to hold ownership interests in, and in some cases control, an entity providing regulated legal services — a structure prohibited for traditional law firms under U.S. ABA Model Rule 5.4. In England and Wales, ABS entities are licensed and regulated by the Solicitors Regulation Authority, with the first licenses issued in 2012, and the structure has enabled outside investment, including private equity, into businesses providing legal services alongside non-legal lines of business. Australia enabled non-lawyer ownership of legal practices earlier, through incorporated legal practice reforms beginning in New South Wales in 2001, which permitted Slater & Gordon to become the first law firm in the world to list on a public stock exchange, in 2007. ABS-style reforms remain rare in the United States but have gained traction in Arizona and Utah's regulatory sandbox programs, both of which reference the UK and Australian ABS experience as a model for supervised experimentation with non-lawyer ownership.

ABS jurisdictions are the primary real-world laboratory for what U.S. law firm capital markets could look like if Rule 5.4-style restrictions were relaxed, and litigation finance and legal services investors track ABS-market outcomes — deal structures, valuation multiples, and regulatory conduct issues — as the closest available precedent for underwriting equity-like legal services investments.

For investors and funders operating across both U.S. and ABS jurisdictions, deal structuring differs materially by regime: capital deployed into a UK or Australian ABS entity can take direct equity form, while the same investment thesis applied to a U.S. firm must be re-engineered as debt, receivables, or revenue-share to remain compliant with Rule 5.4.