Next-Generation Employment Advice & Counsel.
Sims Legal Services combines deep California employment law expertise with cutting-edge technology to prevent or resolve complex workplace problems.
Supercharged Legal Intelligence.
SLS applies powerful AI/LLMs to solve complex problems without sacrificing accuracy, ethics, or your privacy.
Ethical Oversight
Our human-first approach ensures all AI inputs and outputs are reviewed and verified to maintain the highest standard of legal ethics and client confidentiality.
Deep Factual & Legal Research
Advanced research and fact-checking AI agents thoroughly investigate case details, analyze precedents, and stay one step ahead.
Case Management & Automation
Our software stack treamlines case organization, document analysis, and client updates to ensure nothing falls through the cracks.
Dynamic Case Modeling
AI-assisted legal strategy development, risk assessment, and outcome modeling allows SLS to provide clients with data-driven insights and agile solutions.
Legal Services
Sims Legal Services delivers top-tier legal representation and strategic employment advice to California workers and mission-driven organizations—efficiently, transparently, and with deep personal care. Whether you’re navigating a complex workplace dispute or seeking preventative counsel, SLS will listen closely, communicate clearly, and guide you through every step with practical expertise and unwavering integrity.
Contracts
SLS drafts, reviews and enforces employment contracts, including employment offers, severance agreements, independent contractor agreements, arbitration agreements, and more.
Severance Negotiations
SLS advises individual employees as to strategic options and potential outcomes in voluntary or involuntary severance discussions. SLS steps in to align the terms of any departure with your personal, professional, and financial objectives.
Attorney Profile
Trey Sims
Founder & Managing Attorney
Bio
Trey is a skilled litigator and advisor who helps clients navigate complex legal issues with practical and effective solutions. He represents clients in California at every phase of a dispute, from pre-lawsuit negotiations through trial and arbitration.
Having represented both individuals and employers, Trey brings a unique perspective to his practice. His time advising companies on compliant workplace policies and practices gives him an edge in understanding how companies approach legal disputes – an advantage he now uses to advocate for workers and create real change.
Trey has resolved millions of dollars in lawsuits while working at two of the nation’s top 100 law firms. His legal experience also includes work on high-stakes personal injury cases and the San Francisco City Attorney’s Office’s Affirmative Litigation Team where he enforced local policies on climate change, housing, and sanctuary cities.
Trey is a proud fifth-generation Californian and Oakland native residing in San Francisco.
Education
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J.D., Santa Clara University School of Law
- Santa Clara High Technology Journal
- Honors Moot Court Finalist
- Research Assistant to Prof. Colleen Chien
- B.S., University of Oregon Computer Science, Public Relations
Admissions
- State Bar of California | Bar No. 327959
- U.S. District Court, Northern District of California
- U.S. District Court, Central District of California
- U.S. District Court, Eastern District of California
Organizations
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The Bar Association of San Francisco
- Committee Member & Employment Law Panel | San Francisco-Marin Legal Referral and Information Service
- Legal Advice & Referral Attorney | Justice and Diversity Center (JCD)
- Diversity & Inclusion Committee
- Equality Committee
- Board Member | Santa Clara University School of Law Center for Social Justice & Public Service
Contact
Ready to discuss your legal needs? Get in touch with SLS today.