With 'market-leading knowledge of the Australian competition and foreign investment landscape', the practice at Allens assists both global and domestic clients with competition and consumer law issues across a variety of sectors. Based in Sydney, competition advisor Jacqueline Downes leads the team and regularly handles domestic and international Australian Competition and Consumer Commission clearance matters. Also based in Sydney is antitrust expert Fiona Crosbie and consumer law specialist Felicity McMahon, as well as Carolyn Oddie, who is noted for routinely advising on litigation and regulatory investigations. In Melbourne, Rosannah Healy acts in ACCC investigations, while Robert Walker is noted for his experience in ACCC inquiries into the technology sector. Promoted to the partnership in July 2025, Anita Thompson has strong knowledge of the financial services, media and communications, and retail industries.

Ashurst’s full-service team handles complex domestic and multi-jurisdictional matters, regularly advising on merger clearances, cartels, regulatory investigations, and market inquiries. Based in Sydney, Melissa Fraser leads the team with strong knowledge of investigations and enforcement matters across a range of sectors. Also in Sydney is Peter Armitage, who advises on Australian Competition and Consumer Commission litigation, cartel investigations expert Ross Zaurrini, and Tihana Zuk, who often advises on competition issues in the digital economy. In Melbourne, Justin Jones advises clients that are active in the energy industry, while Brisbane-based Alyssa Phillips has in-depth experience in complex merger matters.

With a full-service competition team, Clayton Utz regularly advises on domestic and multi-jurisdictional cases regarding M&A, international and domestic cartels, and competition and restrictive trade practices. Based in Sydney, practice head Adrian Kuti regularly handles matters emanating from the automotive sector, while Michael Corrigan has longstanding experience advising clients on merger control and regulatory investigations. Other key members of the team include Bruce Lloyd, who handles infrastructure matters, and Kirsten Webb, who regularly advises on merger clearance and Australian Competition and Consumer Commission investigations. With strong knowledge of the telecommunications, energy, and airports sectors, Sian Ooi was elevated to the partnership in January 2025.

Regarded for its position in the big tech space, Corrs Chambers Westgarth’s team provides a full-service offering and regularly advises private sector companies, governments, and international trade bodies. Mark McCowan leads the competition practice and regularly handles merger clearances, investigations and inquiries, and litigation cases. Leading the trade practice is Andrew Korbel, who has longstanding experience advising government and practice sector entities in commercial disputes and trade investigations. Another important member of the team includes Ian Reynolds, who stands out for advising on international merger clearances. In September 2024, Caroline Marshall joined the firm as a partner, with deep knowledge of anti-bribery, corruption, and sanction matters.

The team at Gilbert + Tobin regularly advises on competition and trade matters across a range of sectors, including healthcare, airlines, telecommunications, retail, and logistics. Based in Sydney, Elizabeth Avery  leads the team with extensive experience in multi-jurisdictional mergers. Also in Sydney is Charles Coorey, Louise Klamka, and Haidee Leung. Coorey is noted for representing companies undergoing Australian Competition and Consumer Commission investigations, Klamka is active in ACCC merger clearances, and Leung has experience across the financial services, energy and resources, and infrastructure industries. Simon Muys leads the team in Melbourne with a strong knowledge of enforcement matters, routinely acting for clients in misuse of market power investigations.

Herbert Smith Freehills Kramer LLP’s team is experienced across the full spectrum of competition and trade law, which includes acting in high-profile merger matters, Australian Competition and Consumer Commission enforcement mandates, and cartel-related issues. Linda Evans leads the team from Sydney with notable experience advising on complex mergers and third-party access across areas such as the telecommunications and energy sector. Patrick Gay has longstanding experience in competition law and regularly acts in enforcement matters. The team is further bolstered by Stephanie Panayi, who represents clients in all aspects of consumer and competition law, with strong knowledge of the banking and finance sector.

King & Wood Mallesons’s team advises on competition and trade matters in areas surrounding the consumer and retail, aviation, technology, and real estate sectors. Luke Woodward leads the team from Sydney with experience in Australian Competition and Consumer Commission acquisition and merger clearances. Tamara Hunter acts for clients in investigatory matters concerning misleading conduct, while Wayne Leach leads on investigatory matters relating to technology. Peta Stevenson represents clients in enforcement proceedings. In Melbourne, Caroline Coops acts in ACCC investigations, while Lisa Huett advises on consumer and retail matters. Simon Cooke is experienced in merger clearances in the energy, resources, and infrastructure sector. In June 2025, merger reform specialist Jennifer Barron joined from the ACCC.

The Baker McKenzie team has vast experience in high-profile cross-border matters and Australian Competition and Consumer Commission investigations. The team regularly acts both for and against the ACCC, and it is active in areas such as the energy, financial services, and technology sectors. Based in Sydney, Georgina Foster leads the team and is highly adept in leading on ACCC acquisition matters, as well as acting for clients in ACCC proceedings alleging the misuse of market power. Also based in Sydney, Lynsey Edgar specialises in competition investigations and regulatory matters, advising clients that are active in the technology and retail industries.

The team at Johnson Winter Slattery regularly acts for both regulators and corporate clients on a range of matters, including the pertaining to supermarkets and airlines, and transport and technology sectors. Sar Katdare leads the team from Sydney and has longstanding experience advising clients on major merger matters and Australian Competition and Consumer Commission investigations. Aldo Nicotra often represents clients in cartel proceedings and acts in significant merger filings. The team also includes aviation and transport specialist Michele Laidlaw, who is adept at handling matters relating to alleged false or misleading representations.

The team at Minter Ellison provides a full-service offering consisting of advice on Australian Competition and Consumer Commission merger and acquisition clearances, as well as litigation. Based in Melbourne, Geoff Carter leads the team with longstanding experience in domestic and cross-border matters. Carter is joined by Tom Faulls, who regularly represents clients in matters concerning cartel activity and restrictive trade practices, and Miranda Noble, who handles multi-jurisdictional matters. In Sydney, the team is joined by environmental, social, and governance specialist Paul Schoff, and Haydn Flack, who often acts for clients in the telecommunications sector.

Norton Rose Fulbright’s competition practice acts for both the Australian Competition and Consumer Commission and private clients on competition law matters. Active across the energy, technology, and financial services sectors, the team regularly handles ACCC investigations and merger clearances. Andrew Riordan and Martyn Taylor jointly lead the team, with Riordan acting in ACCC investigations and enforcement proceedings, while Taylor is known for his strong trade practice. In Sydney, Claire Forster  handles matters in the energy sector. Nick McHugh retired from the firm in March 2025 and Jo Feldman departed in June 2025.

The team at A&O Shearman advises on the full spectrum of competition law, acting in matters concerning cross-border merger control, regulatory reform, and the Australian Competition and Consumer Commission investigations. The team regularly handles matters relating to the technology, energy, and financial services sectors. It is led by Peter McDonald, who is based in Sydney, and has longstanding experience as a competition lawyer. In February 2025, expert litigator Amy Middlebrook joined the team in Sydney and is noted for expertise in handling complex commercial disputes.

Advising on a range of Australian and global competition matters, the team at Clifford Chance has longstanding M&A and regulatory guidance experience. It is noted for acting for clients in the energy and resources, private equity, and telecommunications sectors. The team is led by Elizabeth Richmond, who is based in Sydney and handles competition matters relating to M&A acquisitions. Richmond is joined by Mark Grime, who is also based in Sydney, and is well-known for advising clients on transactional competition law matters.

DLA Piper’s team has notable experience in handling the full spectrum of competition and trade matters, including Australian Competition and Consumer Commission merger control matters and advising the ACCC on litigation and investigations. The team often represents clients in areas spanning the insurance, energy, and financial services industry. Simon Uthmeyer leads the practice from Melbourne and is noted for acting on merger control issues and cartel investigations, in both domestic and cross-border matters. Also in Melbourne is Fleur Gibbons, who regularly acts for clients in matters concerning the energy and insurance sector.

Jones Day’s competition and trade team is experienced in handling Australian Competition and Consumer Commission M&A matters on a global scale. It is co-led by Prudence Smith and Matthew Bull, who are based in Sydney and Melbourne respectively. The practice handles matters emanating from a range of industries, including the aviation, media, and mining sectors. Smith has longstanding experience in acting for clients in transactional and litigation matters and has close ties to the ACCC. Bull is adept in acting for clients on M&A transactions and specialises in the energy and resources sector.

Arnold Bloch Leibler's competition practice is well-known for handling matters concerning competition and regulatory guidance, merger clearance, and commercial disputes. The team is led by Zaven Mardirossian, who is based in Melbourne and regularly acts for clients in the retail sector. Mardirossian is joined by Matthew Lees, who specialises in matters regarding misuse of market power investigations conducted by the Australian Competition and Consumer Commission.

K&L Gates handles a wide range of domestic competition and trade matters across a range of sectors, including the oil and gas, pharmaceutical, technology, financial services, and construction industries. Based in Sydney, Ayman Guirguis leads the practice, and has experience advising clients on merger clearance issues. Guirguis also regularly acts for clients in Australian Competition and Consumer Commission investigations and has expertise in advising on anti-competitive allegations.

Based in Sydney, Mills Oakley is noted for expertly handling matters concerning cartel litigation and for acting for clients in cases surrounding misleading or deceptive conduct in investigations carried out by the Australian Competition and Consumer Commission. The team advises on a range of competition matters arising from the technology, financial services, manufacturing, and food and beverage sectors. Kathryn Edghill leads the team with longstanding experience in competition law matters, acting for both Australian and global clients.

White & Case's competition practice is jointly led by Belinda Harvey, who has longstanding experience in competition law, and Stefanie Benson, who often handles investigations and enforcement matters. The team routinely advises on competition law matters in relation to the energy, technology, agricultural, and food and beverage sectors.