Every new Connecticut business filing, every dayProfessional Services and Resources LLC
William Russo, Principal
Professional Services and Resources LLC, operating as PSR LLC, provides staffing, RPO, managed services, and software development. The website emphasizes tailored solutions and innovation, with a focus on agile software development and rapid prototyping. The business appears to be a small consultancy or service provider, though its primary location is unclear from the available signals.
Filed March 31, 2026 · Wallingford, CT · New Haven County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3413298 · Retrieved July 27, 2026
About Professional Services and Resources LLC
PSR LLC filed in Connecticut on March 31, 2026, and was first seen by our system 118 days later. The company is in Professional Services, specifically Staffing and Managed Services, and is led by Principal William Russo alongside co-Principal Zachary Raup. It has a modern WordPress website, and we estimate its revenue range is $1M-$10M with 6-25 employees and a hybrid footprint. No annual report or EIN on file yet.
- Filed in Connecticut on March 31, 2026, and first seen 118 days later.
- Led by Principal William Russo and co-Principal Zachary Raup.
- Has a modern WordPress website.
- We estimate revenue of $1M-$10M and 6-25 employees with a hybrid footprint.
- Shares its address with 2 other entities and its owner name with 4 others.
- 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 47 new businesses registered in Wallingford in March 2026, and the only professional services business registered there that month.
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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.
Officers / Authorized Persons
Frequently Asked Questions
When was Professional Services and Resources LLC registered?
Professional Services and Resources LLC was registered as LLC on March 31, 2026 in Connecticut.
Where is Professional Services and Resources LLC located?
Professional Services and Resources LLC is based in Wallingford, CT, 06492-2551, in New Haven County.
What type of business is Professional Services and Resources LLC?
Professional Services and Resources LLC is classified as a professional services business (staffing and managed services).
Does Professional Services and Resources LLC have an EIN on file?
No EIN was found on file for Professional Services and Resources LLC at the time of registration.
Who Sells to This Business
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