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Brosnans Investigation Services

Brosnans Investigation Services is a corporate investigations firm with more than 30 years of experience.

Security and Investigations
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Headquarters
East Sydney, AustraliaSource: RevenueBaseRetrieved October 13, 2026
Employee range
11 to 50Source: RevenueBaseRetrieved October 13, 2026
Founded
1984Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
13 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Brosnans Investigation Services do?

Since 1984, Brosnans Investigations has committed to a results-oriented investigation team focused on customer service. The company describes its approach as transparent, independent and objective, with comprehensive reporting.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

Its investigation reports serve insurance companies, self-insurers, legal firms, government and corporations across Australia.

What the business offers

Services & capabilities.

Factual and surveillance investigations

Provides high-quality rapid-response reports in factual and surveillance investigations.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

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Embeddable award for your website

BADGE PREVIEWBrosnans Investigation Services listed #8 on Security clearance investigation firms, September 28, 2026Open the published source list.
Brosnans Investigation Services

#8 Security clearance investigation firms

Snapshot: September 28, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 18, 2026, September 19, 2026 and September 28, 2026. How the company lists are built.

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