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Five Effect
Jack Armstrong, Managing Member
Five Effect LLC is a software development company based in St. Petersburg, FL, specializing in mobile and web application development. The website emphasizes full-stack development services for iOS and web platforms, targeting businesses looking to modernize their digital presence. The company was registered by managing member Jack Armstrong at the same address as its online presence.
Filed September 1, 2025 · St. Petersburg, FL · Hillsborough County
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Florida Division of Corporations (Sunbiz) · Entity L26000333648 · Retrieved June 23, 2026
About Five Effect
Five Effect LLC was filed in Florida on September 1, 2025, by managing member Jack Armstrong, using a service registered agent. The company's domain was registered eight months before filing, and its modern website matches the filing name and address. We estimate revenue between $100,000 and $1 million with 1 to 5 employees. The business shares its address with over 21,000 other entities and its registered agent with over 30,000, and no annual report or EIN is on file.
- Domain registered 225 days before the filing date.
- Filed through a service registered agent (T REGISTERED AGENT LLC).
- We estimate revenue of $100K-$1M and 1-5 employees.
- Shares its address with 21,980 other entities.
- Shares its registered agent with 30,056 other entities.
- No annual report or EIN on file.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 23, 2026.
One of 1,119 new businesses registered in St. Petersburg in September 2025, one of 3 software development businesses.
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Filing Details
Entity NameFIVE EFFECT LLC
Entity TypeFLAL
Entity NumberL26000333648
Filing DateSeptember 1, 2025
Principal AddressLocked
City / State / ZipSt. Petersburg, FL 33702
CountyHillsborough
TimezoneEastern (ET)
EIN on FileNo
Registered AgentT REGISTERED AGENT LLC
Agent AddressLocked
Filed ViaAnother company: T REGISTERED AGENT LLC
WebsiteYes · domain registered 225 days before filing · registrar NameCheap
Website BuildModern
Annual ReportNot yet filed
Estimated Revenue$100K-$1M (estimate)
Estimated Employees1-5 (estimate)
FootprintOnline only (estimate)
Related Filings30056 with the same registered agent · 21980 at the same address
First Recorded by DayOneLeadJune 23, 2026 (295 days after filing)
Verified Business Profile
SubcategoryMobile and Web Application Development
Contact Information
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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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Officers / Authorized Persons
J
Frequently Asked Questions
When was Five Effect registered?
Five Effect was registered as FLAL on September 1, 2025 in Florida.
Where is Five Effect located?
Five Effect is based in St. Petersburg, FL, 33702, in Hillsborough County.
What type of business is Five Effect?
Five Effect is classified as a software development business (mobile and web application development).
Is Five Effect still active?
According to the Florida Division of Corporations, Five Effect's current record status is "active".
Does Five Effect have an EIN on file?
No EIN was found on file for Five Effect at the time of registration.
Who Sells to This Business
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Registered in the last 30 days
9 companies similar to Five Effect registered in Hillsborough County in the last 30 days
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Mniece LabsSt. Petersburg · Aug 14, 2026
BlulyneSt. Petersburg · Aug 10, 2026
+ 5 more in Hillsborough County
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