here’s the list of the major business consulting firms within Australia:

Tier One Strategy – Global
1. McKinsey
2. Bain
3. BCG
Tier One Strategy – Australian
4. Port Jackson Partners
5. Pacific Strategy Partners
6. Crescendo Partners
7. Momentum Partners
Tier Two Strategy – Global
8. A.T. Kearney
9. Booz Allen Hamilton
10. LEK
11. Oliver Wyman
Mainstream – Global
12. Accenture
13. Deloitte
14. PwC
Mainstream – Australian
15. PKF
16. The Nous Group
17. Compass Consulting
18. Dowling
19. Mettle Consulting
20. Nexus Consulting
21. Oyster Consulting
22. RK Consultancy Services
23. SMT Consulting
24. The Birchman Group
1. McKinsey
Website: www.mckinsey.com.au
Founded in Chicago in 1926, McKinsey is the world’s most prestigious consulting firm and operates in 90 locations across 51 countries. In Australia, McKinsey operates out of Sydney and Melbourne.
McKinsey works internationally in a broad range of industries with large private sector institutions, governments and other non-profit institutions.
2. Bain & Company
Website: www.bain.com
Founded in 1973 when Bill Bain and others left BCG to form Bain & Company. Bain operates in 38 offices across 25 countries. In Ausralia, Bain operates out of Sydney and Melbourne.
Bain is well-known for offering services like due diligence, IPO preparation, portfolio profit improvement and revenue enhancement geared toward leveraged buyout and venture capital firms.
3. BCG
Website: www.bostonconsulting.com.au
Founded in 1963 by Bruce Henderson, BCG operates in 66 offices across 38 countries. In Australia, BCG operates out of Sydney and Melbourne.
BCG specialises in business strategy and draws most of its clients from the 500 largest corporations worldwide, as well as working with smaller companies, non-profit organisations and government agencies.
4. Port Jackson Partners
Website: www.pjpl.com.au
Port Jackson Partners was founded in July 1991 by Terrey Arcus and Fred Hilmer to counsel the CEOs of select corporations. PJP is a boutique consultancy firm based in Sydney.
PJP’s Australian clients come from a diverse range of industries (e.g. financial sector, service industry, and industrial sector) and are typically top 100 listed companies, but a few are large government owned corporations. PJP focuses on helping companies with strategy and organisation.
5. Pacific Strategy Partners
Website: www.pacificstrategy.com.au
Founded in 2003, Pacific Strategy Partners has offices in Sydney and Melbourne.
Pacific Strategy Partners deploys low leveraged teams to provide clients with Strategy Development, Operational Improvement, and Transaction Support.
6. Crescendo Partners
Website: www.crescendopartners.com.au
Crescendo Partners is based in Sydney and has extensive experience providing value to clients across the globe.
Crescendo Partners is an elite high value consulting, advisory and private equity firm. Services include strategy consulting, M&A support, capital raising, and private equity investment.
7. Momentum Partners
Website: www.momentumpartners.com.au
Founded in 2004, Momentum Partners is based in Perth and operates across Australia.
Services include strategy, business improvement, organisation development, and corporate advisory. Staff have direct operational experience in a range of environments, and business consulting experience at the commercial planning and strategic level. Clients include small and large companies in the resources, construction, and energy sectors.
8. A.T. Kearney
Website: www.atkearney.com
Founded in 1926, A.T. Kearney operates across 51 locations world wide. In Australia, A.T. Kearney operates out of Sydney and Melbourne.
A.T. Kearney’s mission is to help the world’s leading corporations gain and sustain a competitive advantage, and to achieve profound, tangible results for its clients. Services offered include: complexity management, enterprise transformation, operations, procurement solutions, strategic information technology, strategy and sustainability.
9. Booz Allen Hamilton
Website: www.boozallen.com
Founded in Chicago in 1914 by Edwin G. Booz, BAH operates in 115 offices across six continents. In Ausralia, BAH operates out of Sydney, Melbourne, Adelaide, Brisbane, and Canberra.
BAH has its main area of expertise in strategy and technology consulting, working in both the commercial and government sectors.
10. LEK Consulting
Website: lekconsulting.com.au
Founded in 1983, LEK now has more than 850 consultants in Europe, the United States, Asia, and Australia. LEK has offices in Sydney, Melbourne and Auckland.
LEK’s portfolio of services draws on its core capabilities of research, benchmarking, modelling, analysis and strategy development to help companies determine the best way forward.
11. Oliver Wyman
Website: www.oliverwyman.com
Founded in New York in 1984, Oliver Wyman operates across 19 countries. In Australia, Oliver Wyman operates out of Sydney.
Services offered by Oliver Wyman include business transformation, organisation & leadership, finance & risk, marketing & sales, operations & technology, and strategy.
12. Accenture
Website: www.accenture.com
Established in 1989, Accenture operates in more than 150 cities across the world. In Australia, Accenture operates in Sydney, Melbourne, Brisbane, Canberra, Perth and Wollongong.
Accenture offers management consulting services covering finance & performance management, talent & organisation performance, strategy, customer relationship management, and supply chain management.
13. Deloitte
Website: www.deloitte.com
Founded in 1893 in the US, Deloitte has a strong global presence and operates in all capital cities of Australia.
Although offering a large number of accounting services, Deloitte also has a consulting practice. The consulting practice offers HR, outsourcing, strategy & operations, and technology consulting.
14. PwC
Website: www.pwc.com
Created in 1998 out of the merger of Price Waterhouse and Coopers & Lybrand, PwC has historical roots going back some 150 years. PwC operates in 154 countries worldwide. In Australia, PwC has offices in Adelaide, Brisbane, Canberra, Melbourne, Newcastle, Perth Sydney, Townsville.
PwC provides assurance, advisory and tax services. PwCs consulting arm indicates that “people engage PricewaterhouseCoopers to help them design, manage and execute lasting change.”
15. PKF
Website: www.pkf.com.au
PKF has some 400 offices in 119 countries worldwide. In Australia, PKF operates in Canberra, Sydney, Darwin, Brisbane, Gold Coast, Townsville Adelaide, Mount Barker, Hobart, Melbourne and Perth.
PKF in Australia is a specialist group of chartered accountants and consulting firms. PKF provides organisational development, taxation, and IT services, as well as providing consulting services to government.
16. The Nous Group
Website: www.nousgroup.com.au
Founded in 1999, Nous has offices in Melbourne, Canberra, Perth, Sydney, Adelaide, Brisbane and Manila.
Nous has a number of capabilities including strategy & public policy, Leadership & people development, Organisational capability, and Information Management & Technology.
17. Compass Consulting
Website: www.compassconsulting.com.au
Founded in 1980 in Sweden by Olof Söderblom, Compass now operates across 15 countries. In Australia, Compass in located in Sydney.
Compass services are designed to address a wide range of challenges related to managing business operations. These include enhancing operational efficiency, developing and implementing effective sourcing solutions, optimiszing the value contribution of IT, managing change programs to maximize benefit to the business, and monitoring performance levels and ensuring communication throughout the enterprise.
18. Dowling
Website: www.dowlingconsulting.biz
Founded in 2001, Dowling is a boutique consultancy that has its head office in Melbourne and also operates in Sydney and Frankfurt.
Dowling has clients in the mining, metals, industrials, consumer goods, retail and logistics industries. Its services include the provision of strategic business analysis, IT and supply-chain management transformation. In 2006/07, Dowling was recognised on the BRW Fast Starters list as the 27th fastest growing firm in Australia.
19. Mettle Consulting
Website: www.mettle.biz
Created in April 2004 through the merger of three consulting firms, Mettle is located in Sydney, Melbourne, Brisbane and the UK.
Mettle has worked in the transformational change field for more than 20 years, and has worked with large and medium sized corporates, not-for-profit and government organisations.
20. Nexus Consulting
Website: www.nexusconsulting.com.au
Founded in 1996 by Greg Masters, Nexus is located in Sydney and has strategic partnerships with a number of other leading consulting firms.
Nexus specialises in public sector organisational dynamics, strategic planning, evaluation and group facilitation.
21. Oyster Consulting
Website: www.oysterconsulting.com
Oyster Consulting is based in Perth.
Oyster Consulting has strong resource industry experience, and offers a range of services including corporate strategy and business planning, business analysis, services optimisation, business improvement, and organisational design services.
22. RK Consultancy Services
Website: www.rkconsulting.com.au
Founded by its principal, Robert Kalivoda, RKCS is a boutique consulting firm based in Melbourne.
RKCS specialises in risk management, commercial advisory, project management and technology management services. RKCS has worked for the Victorian, NSW and Queensland State Governments and the private sector in providing professional commercial solutions and services across a range of infrastructure, public transport, energy, water, education, health and IT related projects.
23. SMT Consulting
Website: www.smt.com.au
SMT is located in Sydney and Melbourne.
SMT is a specialist supply chain technology and business performance consultancy.
24. The Birchman Group
Website: www.thebirchmangroup.com
The Birchman Group operates across 9 countries. In Australia, Birchman operates in Sydney and Perth.
The Birchman Group offers a range of services including strategy development, business case development, programme management, benefits tracking, process improvement, and change management.