Anderson Vela, L.L.P. Attorneys at Law serves individuals and small business owners in Lewisville and nearby areas. It offers legal solutions for business transactions, including formation and entity selection, asset purchase and sale, environmental compliance, contract preparation and negotiation, and leases. The firm assists with real estate and estate planning matters. It also represents clients in civil litigation cases. One of its partners, Richard Anderson, is admitted to practice before Arizona and Texas state courts and the US Fifth Circuit Court of Appeals.

Gilbert PC handles business law issues for Lewisville companies—including commercial litigation, corporate governance, and business counseling. The firm integrates cloud computing, legal software, and virtual tools into its practice, for case diligence and client convenience. Its principal attorney Chris Gilbert focuses on complex, high-stakes litigation and has also represented clients in patent infringement and bankruptcy proceedings. Chris is also an entrepreneur and a member of the Dallas Business Journal Leadership Trust. He supports local ranching and agribusiness education through the Sam Gilbert Foundation.

McElyea Law offers legal counsel to clients in Lewisville and the surrounding areas. The firm opened its doors to the community in 1990, providing a wide range of business law and litigation services. These solutions include entity formation, fraud claims, contract drafting and litigation, and partnership and shareholder disputes. Its primary attorney, Tom McElyea, also caters to clients with family law and personal injury cases and victims of sexual abuse. He tailors his solutions based upon the client's specific needs.

The Law Office of Shaun G. Brown, PLLC, provides counsel and representation to clients in the Lewisville metro and the surrounding areas. It assists businesses by advising on employment offer letters, creating employee handbooks and performance improvement plans, and helping them maintain at-will employment status. It also handles business formation and legal compliance reviews. The firm's other practice areas are consumer debt defense and contract law. Shaun Brown, the attorney, has been practicing law since 2009.