140 New Montgomery St. #19, San Francisco, CA 94105
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Forward-Thinking Counsel,
Grounded in the Bay

From startups and complex deals to the plans that protect your family, Derek Matthew Thomas Law Office pairs deep Bay Area roots with a practical, responsive approach—so you always know exactly where you stand.

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Straight Answers

No jargon, no runaround. We tell you where you stand and what it'll take—in plain English you can actually act on.

Responsive When It Counts

You won't wait days for a callback. We move at the pace your deadlines demand, because your time is the whole point.

Invested in Outcomes

We measure success by your results, not billable hours. When the matter's resolved right, we've done our job.

About the Firm

Rooted in the Bay, Built for What's Next

Derek Matthew Thomas Law Office works with founders, companies, and families across San Francisco and the greater Bay Area—from corporate, M&A, and IP matters to international deals, estate planning, and litigation. It's big-firm capability, without the big-firm distance.

Our approach is refreshingly simple: understand your goals, move quickly, and keep you in the loop at every turn. You work directly with experienced attorneys who treat your priorities as their own—and who'd always rather solve the problem than run up the clock.

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What We Offer

Practice Areas

Mergers & Acquisitions

Valuations, due diligence, and clean closings for deals of every size.

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Intellectual Property

Protecting the trademarks, patents, and ideas your business is built on.

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International Law

Cross-border transactions, foreign investment, and global disputes.

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