Every new Connecticut business filing, every dayGRT Plumbing
Giacomo Polanco, Principal
GRT Plumbing Services LLC is a plumbing company based in Danbury, Connecticut, as indicated by the filing address. The company offers standard residential plumbing services such as fixing toilets and repairing sinks.
Filed May 24, 2026 · Danbury, CT · Fairfield County
Find new plumbing services businesses in Danbury, then launch a cold email campaign built for you.

Every new Connecticut filing, every day
See how it worksSource
Connecticut Secretary of the State (business.ct.gov) · Entity 3449310 · Retrieved July 27, 2026
About GRT Plumbing
GRT Plumbing Services LLC filed in Connecticut on May 24, 2026, as a residential plumbing business based in Danbury. Principals Giacomo Polanco and Anthony Dimaggio are listed as officers. Its domain was registered 2887 days before filing, on June 28, 2018, via Name, and hosts a modern WordPress site. DayOneLead first saw the company 64 days after filing. We estimate annual revenue between $100,000 and $1 million, with 1 to 5 employees, operating from a physical location. No annual report or EIN on file yet.
- Domain registered nearly eight years before filing, indicating a long-established online presence.
- Two principals listed, suggesting a partnership structure.
- First seen by DayOneLead 64 days after filing, showing delayed public visibility.
- We estimate revenue of $100K-$1M and 1-5 employees, with a brick-and-mortar footprint.
- 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 122 new businesses registered in Danbury in May 2026, and the only plumbing services business registered there that month.
Is this business yours?
It's getting views. Claim the page for free to control what your customers see.
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.
Officers / Authorized Persons
Frequently Asked Questions
When was GRT Plumbing registered?
GRT Plumbing was registered as LLC on May 24, 2026 in Connecticut.
Where is GRT Plumbing located?
GRT Plumbing is based in Danbury, CT, 06811-4517, in Fairfield County.
What type of business is GRT Plumbing?
GRT Plumbing is classified as a plumbing services business (residential plumbing).
Does GRT Plumbing have an EIN on file?
No EIN was found on file for GRT Plumbing at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
Turn fresh plumbing services businesses into your next customers
We find newly registered businesses, verify their contact details, and build the campaign. You review everything before anything sends.
Build My Campaign Free ›