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New Professional Services Companies in Nassau County, New York

445 registered in the last 90 days · updated August 11, 2026

Reach new professional services companies in Nassau County

445 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 Nassau County by industry in your dashboard.

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Most recent filings

Kwan Yim Consulting LLC

LLC · Albany · May 13, 2026

Fpb Consulting LLC

LLC · Albany · May 13, 2026

Allermed Consulting LLC

LLC · Albany · May 13, 2026

Ajr Premium Consulting Corp.

Corporation · Bethpage · May 13, 2026

Top G Ligitation Services INC.

Corporation · East Rockway · May 13, 2026

Hkh Management INC.

Corporation · New Hyde Park · May 13, 2026

G&G Building Services INC.

Corporation · Garden City South · May 13, 2026