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Olsen Infrastructure

Olsen Infrastructure is a Sydney Water accredited water servicing coordinator and building hydraulic engineering firm.

Civil Engineering
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Headquarters
Castle Hill, New South Wales, AustraliaSource: RevenueBaseRetrieved October 13, 2026
Employee range
11 to 50Source: RevenueBaseRetrieved October 13, 2026
Founded
2008Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
2 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Olsen Infrastructure do?

The company offers sewer and water solutions for homes, residential developments, and commercial and government construction projects.

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

What the business offers

Services & capabilities.

Sydney Water building plan approvals

The company offers Sydney Water building plan approvals (BOS/BAS).

Source: LinkedIn company description · Retrieved October 13, 2026

Water servicing coordination

The company offers water servicing coordination.

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 ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEWOlsen Infrastructure listed #13 on Emergency water supply contractors, September 15, 2026Open the published source list.
Olsen Infrastructure

#13 Emergency water supply contractors

Snapshot: September 15, 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 5, 2026 and September 15, 2026. How the company lists are built.

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