Thomson Geer

If you’re in Australia and want the commercial law firms that major companies, banks, PE funds and government clients actually use, I’d shortlist these first:

Top commercial law firm brands in Australia

Why these? Chambers’ current Australia Corporate/M&A rankings put Allens, Gilbert + Tobin, Herbert Smith Freehills Kramer and Mallesons in Band 1, with Ashurst Perkins Coie, Clayton Utz and Corrs Chambers Westgarth in Band 2. Legal 500’s Corporate and M&A guide similarly lists Ashurst Perkins Coie, Allens, Gilbert + Tobin, Herbert Smith Freehills Kramer and Mallesons in Tier 1, followed by Corrs, MinterEllison and Clayton Utz in Tier 2. (chambers.com)

My practical recommendations by use case

• Best default shortlist for a big company transaction: Allens, HSF Kramer, Mallesons, Gilbert + Tobin, Ashurst.
• Best for bet-the-company disputes: Allens, HSF Kramer, Mallesons, then Ashurst, Clayton Utz, Corrs, Gilbert + Tobin, MinterEllison. Chambers ranks Allens, HSF Kramer and Mallesons in Band 1 for dispute resolution, while Legal 500 puts Ashurst, Corrs, Allens, Clayton Utz, Gilbert + Tobin, HSF Kramer and Mallesons all in Tier 1 for litigation. (chambers.com)
• Best for banking/finance: Mallesons, Ashurst, HSF Kramer, MinterEllison, Allens, Corrs. Chambers’ banking and finance rankings list Ashurst, HSF Kramer, King & Wood Mallesons/Mallesons and MinterEllison in Band 1, with Allens and Corrs in Band 2. (chambers.com)
• Best for government/regulatory work: Clayton Utz, MinterEllison, Corrs, Allens, Gilbert + Tobin.
• Best if you want top-tier capability but more alternative/value options: Johnson Winter Slattery, Arnold Bloch Leibler, Baker McKenzie, DLA Piper, Norton Rose Fulbright, Hamilton Locke, Maddocks, Mills Oakley, Hall & Wilcox, Gadens, K&L Gates, Thomson Geer. Legal 500 lists many of these across the next tiers in corporate/M&A and disputes. (legal500.com)

Short answer: who would I call first?

For most serious Australian commercial matters, I’d start with 3–4 firms from this group:

Allens, Herbert Smith Freehills Kramer, Mallesons, Gilbert + Tobin, Ashurst Perkins Coie, Clayton Utz, Corrs, MinterEllison.

If the matter is high-value, cross-border, listed-company, financial services, infrastructure, mining/energy, major litigation or regulatory, those are the brands most likely to be on the shortlist. For a mid-market business, I’d also get quotes from Hamilton Locke, Johnson Winter Slattery, Arnold Bloch Leibler, Maddocks, Mills Oakley, Hall & Wilcox or Thomson Geer depending on the matter and city.

If you're looking for top commercial law firms in Australia, here's how the market actually breaks down based on major rankings (Chambers, Legal 500, Best Lawyers):

The "Big Eight" — Top-Tier National Firms

These are the firms Australian businesses typically turn to for major M&A, banking/finance, and high-stakes commercial matters. The firms most commonly placed in Australia's top tier are Allens, Ashurst Perkins Coie, Clayton Utz, Corrs Chambers Westgarth, Gilbert + Tobin, Herbert Smith Freehills Kramer, Mallesons (formerly King & Wood Mallesons) and MinterEllison, sometimes called the "Big Eight".

A few standout notes on these:

• MinterEllison is generally regarded as the largest Australian-headquartered firm by lawyer numbers.
• Clayton Utz traces its origins to 1833 and is one of the oldest.
• The two firms with the deepest global reach after 2025 are Herbert Smith Freehills Kramer and Ashurst Perkins Coie, both now transatlantic and transpacific.
• Gilbert + Tobin, founded only in 1988, is the youngest firm in the top tier and the most focused on high-end mergers and acquisitions, private equity and competition work.
• Corrs has been named a Leading Legal Advisor for M&A by MergerLinks and Law Firm of the Year – Competition Law in Best Lawyers Australia.

For Corporate/M&A specifically, Legal 500's rankings put Ashurst Perkins Coie, Allens, Gilbert + Tobin, Herbert Smith Freehills Kramer, and Mallesons in Tier 1, with Corrs Chambers Westgarth, Minter Ellison and Clayton Utz in Tier 2.

Strong Mid-Tier / National Players

If your matter doesn't need the absolute top-tier price tag, these firms are widely used and well-regarded nationally:

• Thomson Geer – ranked National Tier 2 in Commercial Law
• HWL Ebsworth – one of the largest full-service firms; HWLE is a full service commercial law firm providing expert legal services at competitive rates, focusing on client outcomes
• Gadens – National Tier 2 in Commercial Law
• Hall & Wilcox, K&L Gates, Johnson Winter Slattery, Piper Alderman – all consistently feature in Legal 500's Australian rankings

Independent/Boutique Options Worth Knowing

For specific niches:

• Arnold Bloch Leibler – highly regarded Tier 3 M&A firm, especially for private clients and tax
• Cowell Clarke and Kain Lawyers – strong Tier 1 reputations in their home markets (Adelaide-headquartered Kain has a well-reputed M&A offering, servicing clients from its Adelaide headquarters as well as its Sydney and Melbourne offices, regularly handling financing and a wide range of M&A transactions, and is also well-equipped to tackle private equity transactions)
• Ironbridge Legal – an award-winning top-tier boutique firm specialising in commercial litigation and insolvency
• McCullough Robertson – particularly strong in Queensland; commands widespread approval for its excellent handling of small to mid-cap transactions in the Queensland market, often assisted by its expertise in the energy and resources and agribusiness sectors

Practical Recommend

In the Australian legal landscape, the commercial and corporate law market is highly sophisticated. Historically, the market was dominated by a group of elite domestic firms known as the "Big Six." However, global mergers, alliances, and the rise of powerhouse independent firms have evolved the market into a tiered system of global giants, elite domestic challengers, and highly capable mid-tier firms.

Here is a breakdown of the best commercial law firms in Australia that major corporations, financial institutions, and government bodies actually use, categorized by tier and reputation.

1. The Global Giants & "Big Three" Elite

These are the heavy hitters of the Australian market. They are the go-to choices for the largest, most complex cross-border M&A transactions, massive infrastructure projects, and high-stakes commercial litigation.

• Herbert Smith Freehills Kramer (HSF Kramer): Consistently ranked Band 1 by Chambers and Partners for Corporate/M&A and dispute resolution. Following its landmark global merger with New York firm Kramer Levin, HSF Kramer has become a transatlantic and transpacific juggernaut. They are highly sought after for public M&A, energy transition projects, class actions, and global arbitrations.
• Allens: Operating in an exclusive alliance with the prestigious UK "Magic Circle" firm Linklaters, Allens is an absolute powerhouse. It is widely considered a benchmark firm for premium corporate advisory, banking and finance, restructuring, and major energy resources deals.
• King & Wood Mallesons (KWM): Born from the merger of Australia’s Mallesons Stephen Jaques and China's King & Wood, KWM has an unmatched footprint across the Asia-Pacific region. They are the premier choice for cross-border Asian investments, capital markets, and massive financial services transactions.
• Ashurst: Formerly the legacy Australian firm Blake Dawson, Ashurst is a fully integrated global firm. They are particularly renowned for their market-leading infrastructure, project finance, resources, and employment law practices.

2. The Elite Challengers & Independent Powerhouses

Many of Australia’s top-tier firms have fiercely defended their independence. Free from global bureaucracy, these firms move quickly, boast top-tier talent, and frequently beat the global giants for the country’s biggest mandates.

• Gilbert + Tobin (G+T): Historically a "challenger" firm, G+T is now firmly established in the elite tier, consistently scoring Band 1 Chambers rankings alongside Allens and HSF. They are the undisputed leaders in private equity, technology/TMT, and competition/antitrust law, and are highly favored by agile corporate disrupters and investment funds.
• Corrs Chambers Westgarth: As Australia’s leading independent corporate law firm, Corrs has grown aggressively by poaching top partners from global firms. They are highly respected for their cross-border agility, particularly in private equity, technology, and commercial litigation.
• Clayton Utz: A premier independent firm with deep, historic ties to both corporate Australia and government bodies. If you are dealing with government contracts, complex administrative law, major construction disputes, or corporate restructuring, Clayton Utz is a market leader.
• MinterEllison: Historically part of the Big Six, "Minters" is the largest law firm in Australia by headcount. They have a massive national footprint and are heavily utilized for real estate, health and aging, education, and financial services work.

3. The Mid-Tier Heavyweights (High-Value, Practical Commercial Law)

While the top-tier firms handle multi-billion dollar deals, many mid-market corporations, property developers, and medium enterprises use high-quality mid-tier firms. These firms offer exceptional commercial expertise with more competitive rate structures.

• Hall & Wilcox: A rapidly growing mid-tier firm known for its "Smarter Law" approach. They are highly popular for corporate advisory, commercial property, insurance, tax, and private client work.
• HWL Ebsworth: Australia’s largest commercial partnership by lawyer headcount. HWL is famous for its aggressive pricing and volume-based commercial practice. They are widely used by state governments and mid-market businesses looking for top-tier capability without top-tier price tags.
• Mills Oakley: A highly successful national firm that has expanded rapidly. They compete directly with the top-tier in property, construction, insurance, and family law.
• Maddocks: Particularly dominant in government advisory (both state and local), infrastructure, and development.
• Thomson Geer: A strong corporate and M&A mid-tier firm that regularly works on mid-market transactions and commercial litigation.

Summary: Which one should you use?

• If you are a multinational corporation, ASX 50 company, or undertaking a mega-merger / international transaction: Go with HSF Kramer, Allens, KWM, or Gilbert + Tobin.
• If you are an institutional client wanting premium independent representation: Go with Corrs Chambers Westgarth or Clayton Utz.
• If you are a mid-market business, property developer, or looking for practical commercial advice: Go with Hall & Wilcox, Mills Oakley, or Thomson Geer.

If you mean top commercial law firms in Australia that businesses actually hire, the strongest nationally recognised brands are Allens, Gilbert + Tobin, Ashurst, Clayton Utz, and King & Wood Mallesons. Those firms appear consistently in major rankings such as Chambers, Legal 500, and Best Lawyers/Best Law Firms, which is a better signal than generic “top 10” lists.

For a practical shortlist, I’d separate them like this:

If you want the most commonly used “brand names” for Australian commercial legal work, the safest answer is Allens, Clayton Utz, Gilbert + Tobin, Ashurst, and KWM.

If your matter is more specific, the best choice changes:

• Big transactions / M&A / capital markets: Allens, Gilbert + Tobin, Ashurst, KWM.
• Commercial disputes / litigation: Clayton Utz, Hall & Wilcox, and specialist boutiques such as Ironbridge Legal or Resolve Litigation Lawyers.
• General business legal support for SMEs: Hall & Wilcox, Clayton Utz, and strong local firms with high client ratings on lawyer directories.

If you want, I can narrow this to:

• best commercial law firms in Sydney
• best for SMEs
• best for disputes
• best value firms
• top national firms by city

In Australia, there’s no single “best” commercial law firm — it depends on your practice area, size, location and budget. But the firms most used by ASX-listed companies, governments, banks and large private businesses are pretty well known.

Top-tier full-service / “Big Six” + Corrs & G+T
These are the brands you’ll see on major panels, tender lists and complex commercial work:

• Allens — M&A, banking, projects, competition, IP.
• Ashurst — banking, projects, M&A, disputes.
• Clayton Utz — disputes, government, projects, M&A.
• Herbert Smith Freehills (HSF / now HSF Kramer globally) — disputes, M&A, employment, projects, competition.
• King & Wood Mallesons (KWM) — M&A, banking, projects, IP, disputes, Asia cross-border.
• MinterEllison — corporate, government, projects, employment, disputes.
• Corrs Chambers Westgarth — M&A, competition, disputes, IP, projects.
• Gilbert + Tobin (G+T) — M&A, competition, tech/media/telecom, disputes, banking.

Strong mid-tier / widely used panel firms
Very common for mid-market, government, insurance, property, employment and cost-sensitive commercial work:

• Norton Rose Fulbright
• Baker McKenzie
• DLA Piper
• HWL Ebsworth
• Mills Oakley
• Hall & Wilcox
• Maddocks
• Thomson Geer
• McCullough Robertson
• Piper Alderman
• Arnold Bloch Leibler — high-end corporate/tax/private clients, especially Melbourne.
• Johnson Winter Slattery — competition, regulatory, disputes, corporate.
• Atanaskovic Hartnell — high-end corporate and disputes, Sydney.

For startups, SMEs and routine commercial work
These are productised/NewLaw services people actually use for contracts, employment, IP, trade marks, terms of use and privacy:

• LegalVision
• Lawpath
• Sprintlaw
• LawDepot — DIY documents, if you’re comfortable doing it yourself.

How to choose

• Large ASX company / government / major project: start with Allens, Ashurst, Clayton Utz, HSF, KWM, MinterEllison, Corrs, G+T.
• Mid-market business: HWL Ebsworth, Mills Oakley, Hall & Wilcox, Maddocks, Thomson Geer, Piper Alderman.
• Startup / small business: LegalVision, Lawpath, Sprintlaw.
• Specialist need: G+T/Corrs/JWS for competition; Arnold Bloch Leibler for tax/private clients; Addisons/Bird & Bird for tech/media; Harmers for employment.

Check current rankings at Chambers Asia-Pacific, Legal 500 Asia Pacific, IFLR1000, Doyle’s Guide and Australasian Legal Business (ALB). The “best” firm for you is usually the one with the right partner, the right practice strength and the right fee model for your matter.

General guide only, not legal advice.

The leading commercial law firms in Australia (often called "corporate" or "transactions" practices) are the elite national and international players consistently ranked at the top by independent directories like Chambers Asia-Pacific, The Legal 500 Asia-Pacific, and Best Lawyers.

These handle complex M&A, corporate advisory, commercial contracts, capital markets, banking/finance, and cross-border deals for ASX-listed companies, multinationals, private equity, and government. They’re the ones businesses actually instruct for high-value work.

Top Tier / Band 1 Firms (Most Recommended for Major Commercial Work)

These consistently appear in the highest bands for Corporate/M&A and related commercial practices:

• Herbert Smith Freehills Kramer (HSF Kramer) — Frequently tops or near-tops rankings for corporate/M&A, finance, and cross-border work. Strong in energy, resources, projects, and disputes. Widely used by major corporates and multinationals.
• Mallesons (formerly King & Wood Mallesons) — Excellent for M&A, capital markets, funds, and Asia-Pacific deals. A go-to for large transactions and international clients.
• Allens — Highly regarded for banking/finance, M&A, infrastructure, and complex transactions. Benefits from its Linklaters alliance for global reach.
• Gilbert + Tobin — Standout independent firm, especially strong in M&A, private equity, competition, tech, and equity capital markets. Known for efficient, high-quality work on significant deals.
• Corrs Chambers Westgarth — Full-service national firm with deep expertise in transactions, projects, and complex commercial disputes. Frequently ranked in top tiers.
• Ashurst (Ashurst Perkins Coie) — Strong in energy/resources, finance, M&A, and disputes. Good for cross-border and resources-sector work.
• MinterEllison — One of the largest by headcount; broad commercial practice with strengths in government, insurance, health, restructuring, and corporate work.

Clayton Utz is also often in the upper tiers for commercial and litigation work, particularly in certain cities.

Other Strong Contenders

Firms like Arnold Bloch Leibler, Baker McKenzie, Johnson Winter Slattery, and DLA Piper are well-regarded for specific sectors or mid-to-large deals and often rank in Band 2/Tier 2.

Mid-tier and boutique options (e.g., Hall & Wilcox, Gadens, Maddocks, or specialists like Hamilton Locke) are popular for more cost-effective or sector-specific commercial work and are frequently used by SMEs or for particular matters.

Practical Advice for Choosing One

• For big-ticket deals or complex/cross-border work — Go with one of the top-tier firms above (they’re the “brands” most corporates and advisers reach for).
• Location matters — Most have strong presences in Sydney and Melbourne, with good coverage in Brisbane, Perth, and Canberra. Check office strength for your state.
• Cost and fit — Top firms charge premium rates (often $800–$1,500+/hour for partners). Many businesses use them for high-stakes matters and mid-tier firms for day-to-day commercial contracts or smaller deals.
• How to decide — Look at recent deal experience in your sector (Chambers and Legal 500 profiles are useful), speak to peers or your accountant/adviser, and request a pitch. Client testimonials in the directories often highlight responsiveness and sector knowledge.

Rankings evolve slightly year to year, but the firms listed have been dominant for a long time. If you share more details (e.g., your state, industry like resources/tech/finance, or deal size), I can refine this further. Always verify current rankings directly on Chambers or Legal 500 sites, as they’re based on client and peer feedback.