Every new Florida business filing, every dayUnderdog Fitness
Dewan Tyson, Manager
A fitness gym offering training programs such as DEKA, HYROX, and Spartan, likely focused on functional fitness and obstacle course racing.
Filed December 31, 2025 · Tampa, FL · Hillsborough County
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Florida Division of Corporations (Sunbiz) · Entity L26000021954 · Retrieved April 20, 2026
About Underdog Fitness
Underdog Fitness L.L.C. filed in Florida on December 31, 2025, as an active fitness center. Manager Dewan Tyson filed personally as the registered agent. The company's domain was registered 818 days before filing, on October 5, 2023, through Hosting Concepts B.V. d/b/a Registrar.eu. Its website is modern and confirmed to match the filing name and address. Two other entities share the same principal address. No annual report or EIN on file yet.
- Domain registered 818 days before the company filed, indicating pre-existing planning.
- Owner Dewan Tyson filed personally as the registered agent.
- Website identity confirmed to match the filing name and address.
- Two other entities share the same principal address.
- No annual report or EIN on file yet.
Compiled from the state record, the company's public web presence, and our own research. Updated August 23, 2026.
One of 1,430 new businesses registered in Tampa in December 2025, one of 2 fitness center businesses.
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Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
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Frequently Asked Questions
When was Underdog Fitness registered?
Underdog Fitness was registered as FLAL on December 31, 2025 in Florida.
Where is Underdog Fitness located?
Underdog Fitness is based in Tampa, FL, 33604, in Hillsborough County.
What type of business is Underdog Fitness?
Underdog Fitness is classified as a fitness center business (gym / training facility).
Is Underdog Fitness still active?
According to the Florida Division of Corporations, Underdog Fitness's current record status is "active".
Does Underdog Fitness have an EIN on file?
No EIN was found on file for Underdog Fitness at the time of registration.
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