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Thomson Geer advises Nasdaq-listed Tetra Tech on acquisition of leading Australian services firm

May 2, 2025

Thomson Geer has advised Nasdaq-listed professional services firm Tetra Tech on its acquisition of Australian industrial services firm SAGE Group Holdings.

Tetra Tech is a worldwide consulting and engineering firm with a focus on water, environment, sustainable infrastructure, renewable energy and international development, with a market capitalisation of US$8.4 billion.

SAGE, based in Adelaide, is a global specialist industrial services provider assisting companies on adopting cutting-edge technological and digital solutions.

The acquisition is Tetra Tech's third acquisition in Australia. It acquired Coffey International in 2015 and Norman Disney & Young in 2018. Thomson Geer also advised Tetra Tech on the Coffey International acquisition and assisted on the Norman Disney & Young transaction.

Thomson Geer advised Tetra Tech on all aspects of the SAGE transaction, including:

  • preparing and negotiating the transaction documents;
  • advising on a pre-completion restructure to occur between signing and Completion; and
  • advising on FIRB and ACCC matters.

The Thomson Geer team was led by Partner Annabel West, who was supported by Partner Jason Marcus and Senior Associates Hugo MacMillan and Hansel Tsang.

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