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Scout the DayOneLead fox with a Florida new business filings stampEvery new Florida business filing, every day
  1. Home
  2. Florida
  3. St. Petersburg
  4. Financial Services
  5. MainStreet CFO
Financial ServicesAI-Powered CFO ServicesactiveVerified

MainStreet CFO

Rostislav Lonskiy, PST

MainStreet CFO provides AI-powered financial intelligence services including real-time dashboards, cash flow forecasting, and an AI CFO assistant. The business is located in St. Petersburg, Florida, as indicated by the principal address on the LLC filing.

Filed May 28, 2026 · St. Petersburg, FL · Hillsborough County

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About MainStreet CFO

MainStreet CFO is a financial services business (FORP) registered on May 28, 2026 with the Florida Division of Corporations. The business is located in St. Petersburg, Florida 33702. Hillsborough County is its county of record. The record lists Rostislav Lonskiy as PST.

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Filing Details

Entity NameMAINSTREETCFO, INC.
Entity TypeFORP
Entity NumberF26000003226
Filing DateMay 28, 2026
Principal AddressLocked
City / State / ZipSt. Petersburg, FL 33702
CountyHillsborough
TimezoneEastern (ET)
EIN on FileYes
Registered AgentT REGISTERED AGENT LLC
Agent AddressLocked

Verified Business Profile

SubcategoryAI-Powered CFO Services

Contact Information

WebsiteLocked
PhoneLocked
EmailLocked
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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.

Website PlatformLocked
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Officers / Authorized Persons

R
Rostislav Lonskiy
PST
Address locked
M
Matthew Mcmullen
D
Address locked

Document Timeline

Filing timeline will be available soon.

Frequently Asked Questions

When was MainStreet CFO registered?

MainStreet CFO was registered as FORP on May 28, 2026 in Florida.

Where is MainStreet CFO located?

MainStreet CFO is based in St. Petersburg, FL, 33702, in Hillsborough County.

What type of business is MainStreet CFO?

MainStreet CFO is classified as a financial services business (ai-powered cfo services).

Is MainStreet CFO still active?

According to the Florida Division of Corporations, MainStreet CFO's current record status is "active".

Does MainStreet CFO have an EIN on file?

Yes. MainStreet CFO has a federal Employer Identification Number (EIN) registered with its filing.

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13 companies similar to MainStreet CFO registered in Hillsborough County in the last 30 days

Carneiro Finance PartnersSt. Petersburg · Aug 13, 2026
FitPoint PartnersSt. Petersburg · Aug 12, 2026
Ar Bookkeeping SolutionsSt. Petersburg · Aug 10, 2026
Forensic Advisory GroupSt Petersburg · Aug 10, 2026
+ 9 more in Hillsborough County
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