Technology & Transportation Strategic Solutions Bringing sophisticated counsel to technology procurement matters,
combining proven litigation success with deep industry knowledge.
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Board Certified Excellence Proven Experience From technology implementations to major infrastructure initiatives,
we provide sophisticated counsel when stakes are highest.
Why Choose a Board Certified Attorney?

What We Do

We provide sophisticated boutique legal representation in technology, procurement, transportation, and regulatory matters. Drawing on experience as former Chief of Staff of the Department of Management Services (DMS), General Counsel of the Florida Department of Transportation (FDOT), and Deputy General Counsel of the Florida Office of Insurance Regulation (OIR), we guide clients through complex challenges requiring specialized industry knowledge and strategic thinking. From major technology implementations, procurement disputes to regulatory compliance, we deliver practical solutions backed by proven litigation success.

Our Firm

Meet Mr. Gellis

Sean Gellis

Founder & Managing Member
About Us

Sophisticated Representation in Transportation, Technology & Regulatory Law

At Gellis Law, PLLC, we bring sophisticated legal experience and proven litigation success to complex government-related challenges. Our focused practice combines aggressive advocacy with strategic insight in technology, procurement, regulatory compliance, and transportation matters. As former Chief of Staff of Florida's Department of Management Services (the state's central technology and procurement agency) and General Counsel of the Florida Department of Transportation, we offer clients immediate access to sophisticated counsel with current agency insight. Board Certified in State and Federal Government and Administrative Practice—a distinction held by fewer than 75 Florida attorneys—we deliver exceptional representation when stakes are high.

With over 100 successfully litigated cases and dozens of appeals in state and federal courts, we have established a reputation for effective advocacy in complex matters. Our practice leverages unique government insight to provide clients with strategic advantages in technology implementations, procurement disputes, regulatory matters, and business objectives. Now unrestricted by post-employment limitations, we bring insider perspective to your most challenging government-related legal needs.

Technology firms rely on our guidance for digital transformation initiatives, software implementation challenges, and technology procurement strategies. Government contractors seek our counsel for high-stakes solicitation navigation, bid protests, and contract disputes. Organizations across industries turn to us for sophisticated administrative and regulatory representation, while transportation companies trust us with critical infrastructure matters. In each engagement, we combine aggressive advocacy with strategic thinking to achieve optimal results.

Founder & Managing Member

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125 +
Cases Litigated
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10 +
Years' Experience
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5 +
Agency Leadership Positions
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20 +
Successful Appeals
Our Firm

Our Practice Areas

At Gellis Law, PLLC, we combine sophisticated litigation experience with unique government insight to solve complex challenges in transportation, technology, procurement, and regulatory law. Our focused practice areas reflect a commitment to excellence in sectors demanding specialized knowledge and strategic thinking. When stakes are high and matters are complex, we provide the sophisticated counsel and industry understanding our clients need to succeed.

Through years of experience at the highest levels of Florida government and in private practice, we've developed a deep understanding of what it takes to achieve successful outcomes in challenging legal matters. Whether guiding critical infrastructure projects, resolving technology disputes, handling procurement challenges, or navigating regulatory requirements, we approach each matter with the dedication, preparation, and strategic thinking it deserves.

With over 100 successfully litigated cases and dozens of appeals, our track record demonstrates the value of experienced counsel in complex matters. Our approach combines sophisticated legal strategy with practical industry understanding, ensuring that our solutions align with both immediate needs and long-term objectives while maintaining the highest standards of professional excellence.

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We guide technology companies through complex regulatory, procurement, and privacy challenges, leveraging specialized certifications and state technology leadership experience. From major implementations to regulatory compliance, we provide sophisticated counsel for technology matters.

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With an undefeated record in bid protest litigation and extensive procurement leadership experience, we provide strategic counsel across all phases of government contracting. Our deep understanding of agency operations and procurement processes helps clients succeed in the government marketplace.

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As a Board Certified specialist in State and Federal Government and Administrative Practice, we bring sophisticated expertise to complex regulatory challenges. Our practice combines proven litigation success with deep agency insight to help clients navigate administrative proceedings effectively.

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From complex infrastructure projects to regulatory compliance, we bring unique FDOT General Counsel experience to transportation matters. Our practice combines sophisticated litigation capabilities with deep industry knowledge to deliver strategic solutions in transportation law.

Gellis Law Blog

Latest Blog Posts

Mar 3, 2025

Gellis Law Proudly Participates in Tech Day at the Capitol 2025

March 3, 2025Gellis Law Proudly Participates in Tech Day at the Capitol 2025Gellis Law, PLLC is excited...

Feb 28, 2025

Introducing Fractional General Counsel Services: Executive Legal Leadership for Growing Companies

Introducing Fractional General Counsel Services: Executive Legal Leadership for Growing CompaniesToday, I'm excited to announce the launch...

Feb 21, 2025

Gellis Law Joins Florida Transportation Builders Association (FTBA)

Gellis Law Joins Florida Transportation Builders Association (FTBA) I'm pleased to announce that Gellis Law, PLLC has joined...

Feb 14, 2025

Gellis Law Announces Relaunch of FloridaProcurements.com

Gellis Law Announces Relaunch of FloridaProcurements.comWe are excited to announce the relaunch of FloridaProcurements.com ("FlaProc"), a free...

Feb 11, 2025

Gellis Law Announces Reopening

Gellis Law Announces Reopening in Florida We are pleased to announce the reopening of Gellis Law, PLLC...