Celaya Law provides customized solutions for the business community in the Vallejo metro and surrounding areas. It provides entrepreneurs and founders with startup services such as entity formation assistance, strategy formulation, and stock and asset purchase guidance. Its lawyers help in drafting and reviewing agreements, forming joint ventures, planning transition and succession, and reducing tax liability through charitable giving. The firm can assist clients in English and Spanish. It has offices in Napa and Fairfield.

GVM Law LLP has been providing services to clients in the Vallejo metro and the surrounding communities for nearly 50 years. It offers legal advice and representation in business matters, including buy-sell and shareholder agreement, contract drafting and review, entity formation, merger and acquisition, and securities offering and private placement. It also handles issues related to credit facilities and equity incentives and phantom plans. Jeffrey Stephens, a partner, is a Sacramento Professional Advisors Network member.

Law Offices of Alexander Golovets offers services to proprietors in the Vallejo metro and nearby locations. One of its professional areas is business law, which encompasses the formation, operation, and dissolution of legal entities such as corporations, limited liability companies, and limited liability partnerships. The firm conducts consultations to discuss business management and asset protection matters. It also drafts and reviews business contracts and operating agreements. In addition, it takes on cases related to probate and criminal law.

The Law Offices of J. Scott Isherwood has been serving businesses and individuals in Vallejo since 2007. It assists clients in a variety of business issues, such as formation, corporate governance, transfer, and dissolution. It advises startups in selecting business entities, including partnerships, corporations, and limited liability companies. Scott Isherwood, the founding attorney, focuses his expertise on business and real estate litigation. He has handled various cases, including multi-million dollar contract disputes and real property conflicts, during his first decade of practice.

The Primum Law Group is a San Francisco-based boutique firm that offers its services to clients within Vallejo and its neighboring areas. It provides general and startup counseling, as well as education on corporate governance and structuring, for companies. After establishing its familiarity with a client's needs, business, and culture, it tailors its approach and methods to match long-term goals. The firm's founder, Svetlana Kamyshanskaya, has assisted numerous corporations on international legal and business matters throughout her two decades of service in the industry.

Tancinco Law P.C. has been providing services to clients in the Vallejo metro and the surrounding communities since 1992. It works on different types of business law matters, including articles of incorporation and bylaws, contract and document reviews, and non-compete, operating, and shareholder agreements. It helps clients form entities, such as corporations, limited liability companies, and partnerships. Rey D. Tancinco, the founding attorney, is a member of the Consumer Affairs Attorneys Association. He also serves as a certified public accountant.