Home ServicesGeneral Maintenance & RepairActiveVerified

JS Services

Jan Siwinski, Principal

JS Services LLC appears to be a small service business, likely offering general services such as maintenance or repair, based on the website's mention of 'Grounded in the Field' and service listings. The site is a simple small-business site with a contact form, consistent with a local operator. No specific location is confirmed beyond the filing's South Windsor, CT address.

Filed April 6, 2026 · South Windsor, CT · Hartford County

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Source

Connecticut Secretary of the State (business.ct.gov) · Entity 3417622 · Retrieved July 26, 2026

Search the registry for 3417622 ›JSON record ›

About JS Services

JS Service LLC filed in Connecticut on April 6, 2026, with a principal address in South Windsor. Principal Jan Siwinski is listed as the owner. The domain was registered on January 20, 2025, about 14 months before the filing, through Squarespace Domains. The website is modern and online-only. We estimate revenue between $100K and $1M and 1 to 5 employees. No annual report or EIN on file yet.

  • Domain registered 441 days before the filing, showing advance web planning.
  • Principal Jan Siwinski is the owner, with no registered-agent service used.
  • Only one other entity shares the same owner name, indicating a small business.
  • We estimate revenue of $100K-$1M and 1-5 employees from its website.
  • Website is modern and online-only, with no brick-and-mortar presence.
  • No annual report or EIN on file yet.

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 24, 2026.

One of 27 new businesses registered in South Windsor in April 2026, and the only home services business registered there that month.

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Filing Details

Entity NameJS Service LLC
Entity TypeLLC
Entity Number3417622
Filing DateApril 6, 2026
Principal AddressLocked
City / State / ZipSouth Windsor, CT 06074-3801
CountyHartford
TimezoneEastern (ET)
EIN on FileNo
WebsiteYes · domain registered 441 days before filing · registrar Squarespace Domains
Website BuildModern
Annual ReportNot yet filed
Estimated Revenue$100K-$1M (estimate)
Estimated Employees1-5 (estimate)
FootprintOnline only (estimate)
Related Filings1 with the same owner name
First Recorded by DayOneLeadJuly 26, 2026 (111 days after filing)

Verified Business Profile

SubcategoryGeneral Maintenance & Repair

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.

Domain RegisteredLocked
Domain AgeLocked
RegistrarLocked
Website PlatformLocked
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Officers / Authorized Persons

J
Jan Siwinski
Principal
Address locked

Frequently Asked Questions

When was JS Services registered?

JS Services was registered as LLC on April 6, 2026 in Connecticut.

Where is JS Services located?

JS Services is based in South Windsor, CT, 06074-3801, in Hartford County.

What type of business is JS Services?

JS Services is classified as a home services business (general maintenance & repair).

Does JS Services have an EIN on file?

No EIN was found on file for JS Services at the time of registration.

Who Sells to This Business

Based on the business category, these service providers typically target this type of business.

InsuranceWeb DesignerAccounting

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JS Services — South Windsor, CT LLC Filing | DayOneLead