Every new New York business filing, every day3 private investigation businesses recently registered in Brooklyn, New York.
Updated August 19, 2026 · Most recent business filing Mar 27, 2026

Every new New York filing, every day
See how it worksThis page lists new private investigation businesses registered in Brooklyn, New York. We currently track 3, sourced directly from the New York Division of Corporations and refreshed daily as new private investigation companies file.
Recent additions include SD Research & Investigations, ShadowLine Investigations, and MJA Inc Investigations. The most recent private investigation business filing was on Mar 27, 2026.
Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to private investigation businesses in Brooklyn, this is one of the freshest prospect lists in the market.
SD Research & Investigations LLC is a private investigation and research firm based in Brooklyn, NY. The site describes investigation and research services. No physical address is listed, but the LLC filing confirms the Brooklyn location.
ShadowLine Investigations is a private investigation firm based in Brooklyn, NY, offering discreet investigative services. The website demonstrates a professional presence with contact information and service descriptions.
The LLC appears to operate as a private investigation firm under the brand 'MJA Inc Investigations', focusing on missing persons and unsolved crimes as indicated by the blogspot site (W1) with posts on these topics. The site provides a phone (352 area code, Florida) and email, suggesting small-scale operation. The filing address in Brooklyn, NY may be a registered office; business location is ambiguous.
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