Delaware › New Castle County › Professional Services

New Professional Services Companies in New Castle County, Delaware

401 registered in the last 90 days · updated October 9, 2026

Reach new professional services companies in New Castle County

401 new professional services companies registered here in the last 90 days. Start a free trial to see them all — names, addresses, and owners — and filter New Castle County by industry in your dashboard.

No charge during your trial. Already have an account?

Most recent filings

T.P.C. Builders LLC

Business · Claymont · July 13, 2026

Arthur Stone

Business · Bear · July 13, 2026

Atlas Prep Center LLC

Business · Bear · July 14, 2026

Helios Building Performance LLC

Business · Newark · July 14, 2026

Mawatta Services LLC

Business · New Castle · July 14, 2026

407 Creative Ventures LLC

Business · Wilmington · July 15, 2026

Randf Properties LLC

Business · Middletown · July 15, 2026