# Professional services firms headquartered in Queensland

Tamtam tracks 47 professional services firms headquartered in Queensland. This list ranks all of them by number of employees on LinkedIn, led by ALS, Ausenco and TOA Global. Their median headcount is 382. Half of them were founded in 2000 or later. The most common headquarters are Brisbane (18), Fortitude Valley (6) and South Brisbane (2).

The professional services firms in Queensland listed here are primarily large and mid-sized companies, with a significant number operating globally in specialized fields. ALS, for instance, is a global leader in scientific testing, while Ausenco provides sustainable solutions for minerals and metals sectors. TOA Global offers accounting outsourcing services, and WorkPac is a major workforce services provider.

A notable pattern among these companies is their geographical concentration. Many of the firms, including BDO in Australia, Data#3, and Shine Lawyers, have their headquarters located in Brisbane or its immediate suburbs like Fortitude Valley and South Brisbane. This indicates a central hub for professional services within Queensland.

🇦🇺 Queensland · 47 companies · Updated Nov 11, 2026

| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [ALS](https://www.tamtam.ai/c/als) (alsglobal.com)<br>Global leader in scientific testing with state-of-the-art technologies, offering comprehensive solutions in environment, food, mining, personal care, pharmaceutical, healthcare, and equipment reliability sectors | International Trade and Development | 🇦🇺 Bowen Hills | 13,323 |  |
| 2 | [Ausenco](https://www.tamtam.ai/c/ausenco) (ausenco.com)<br>A global company offering sustainable solutions for minerals, metals, and industrial sectors through consulting, engineering, project delivery, and asset optimization | Professional Services | 🇦🇺 South Brisbane | 4,227 | 1991 |
| 3 | [TOA Global](https://www.tamtam.ai/c/toa-global) (toaglobal.com)<br>Providing global accounting outsourcing services with elite offshore talent to fill staffing gaps, enhance operational capacity, and save costs for firms | Outsourcing and Offshoring Consulting | 🇦🇺 Southport | 3,820 | 2013 |
| 4 | [BDO in Australia](https://www.tamtam.ai/c/bdo-in-australia) (bdo.com.au)<br>Providing audit, tax, and advisory services to diverse clients including corporations, private businesses, entrepreneurs, and individuals across industries. | Accounting | 🇦🇺 Brisbane | 2,590 |  |
| 5 | [WorkPac](https://www.tamtam.ai/c/workpac) (workpac.com)<br>Australia's largest workforce services provider offering tailored recruitment, skills and career development solutions in diverse sectors, emphasizing safety and positive impact | Human Resources Services | 🇦🇺 Fortitude Valley | 1,749 | 1997 |
| 6 | [Data#3](https://www.tamtam.ai/c/data-3) (data3.com)<br>A technology solutions provider with a focus on cloud, security, data analytics, and managed services, committed to a sustainable future | IT Services and IT Consulting | 🇦🇺 Toowong | 1,413 | 1977 |
| 7 | [Cardno](https://www.tamtam.ai/c/cardno) (stantec.com)<br>A company has rebranded to Stantec Follow the Stantec page for updates | Design Services | 🇦🇺 Fortitude Valley | 1,155 |  |
| 8 | [PeopleIN](https://www.tamtam.ai/c/peoplein) (peoplein.com.au)<br>A leading Australian group of workforce and staffing brands specialising in niche talent across various sectors, offering expertise at scale | Staffing and Recruiting | 🇦🇺 Fortitude Valley | 974 |  |
| 9 | [Sedgman](https://www.tamtam.ai/c/sedgman) (sedgman.com)<br>Design, delivery, and operation of high-performance minerals processing plants and mine-site infrastructure for coal, metals, and industrial minerals. | Mining | 🇦🇺 South Bank | 961 |  |
| 10 | [DBM Vircon](https://www.tamtam.ai/c/dbm-vircon) (dbmvircon.com)<br>Specializing in construction modeling and digital engineering, we bring innovative solutions to optimize project delivery and overcome challenges through design innovation | Construction | 🇦🇺 South Brisbane | 845 |  |
| 11 | [Shine Lawyers](https://www.tamtam.ai/c/shine-lawyers) (shine.com.au)<br>Provide legal support and advocacy for clients facing injustice, fostering a collaborative environment focused on growth and challenging norms. | Law Practice | 🇦🇺 Brisbane | 753 | 1976 |
| 12 | [Herron Todd White](https://www.tamtam.ai/c/herron-todd-white) (htw.com.au)<br>Independent property valuation and advisory services across Australia, specializing in residential, commercial, agribusiness, and government asset markets. | Real Estate | 🇦🇺 Chermside | 724 | 1968 |
| 13 | [RPS Australia Asia Pacific](https://www.tamtam.ai/c/rps-australia-asia-pacific) (rpsgroup.com)<br>Global professional services provider with 5,000 consultants operating in 125 countries, offering services in sectors such as energy, transport, water, and more | Management Consulting | 🇦🇺 Fortitude Valley | 686 | 1970 |
| 14 | [First Choice Care](https://www.tamtam.ai/c/first-choice-care) (firstchoicecare.com.au)<br>A nursing agency providing quality assignments in aged care and acute care settings, prioritizing matching qualified staff with facilities efficiently and innovatively | Hospitals and Health Care | 🇦🇺 Varsity Lakes | 578 | 2005 |
| 15 | [CTY](https://www.tamtam.ai/c/cty) (cty.com.au)<br>A consulting firm focused on connecting people with processes, driving engagement, and unlocking value through a unique "See The Why" philosophy | Business Consulting and Services | 🇦🇺 Brisbane | 577 | 2018 |
| 16 | [Protech Group](https://www.tamtam.ai/c/protech-group) (protech.com.au)<br>Protech specializes in workforce solutions for technical industries, offering tailored labor hire, recruitment, and permanent placement services for civil infrastructure, construction, engineering, and more | Staffing and Recruiting | 🇦🇺 Eight Mile Plains | 514 | 2006 |
| 17 | [Barry Nilsson](https://www.tamtam.ai/c/barry-nilsson) (bnlaw.com.au)<br>A national law firm with 60 years of experience prioritizing clients, providing trusted legal services in Insurance, Health, Family Law, Wills & Estates | Law Practice | 🇦🇺 Brisbane | 503 | 1963 |
| 18 | [Legal Aid Queensland](https://www.tamtam.ai/c/legal-aid-queensland) (legalaid.qld.gov.au)<br>Legal Aid Queensland provides legal assistance to financially disadvantaged Queenslanders in criminal, family, and civil law matters through advice, representation, and preferred supplier partnerships | Legal Services | 🇦🇺 Brisbane | 474 | 1979 |
| 19 | [AWX](https://www.tamtam.ai/c/awx) (awx.com.au)<br>Australian labour hire and recruitment company with 23 years of experience offering flexible employment solutions across various industries, backed by PeopleIN | Staffing and Recruiting | 🇦🇺 Fortitude Valley | 468 | 2000 |
| 20 | [Construction Sciences](https://www.tamtam.ai/c/construction-sciences) (constructionsciences.net)<br>A leading firm in construction materials testing, geotechnical engineering, and environmental consulting trusted for critical infrastructure projects in Australia | Construction | 🇦🇺 Albion | 460 | 1990 |
| 21 | [McCullough Robertson](https://www.tamtam.ai/c/mccullough-robertson) (mccullough.com.au)<br>A leading Australian law firm offering advice to major corporations, governments, and high net worth individuals in various industries for over 95 years | Law Practice | 🇦🇺 Brisbane | 447 | 1926 |
| 22 | [Abt Global Australia](https://www.tamtam.ai/c/abt-global-australia) (abtglobal.com)<br>Global leader in international development delivering health, economic growth, governance, research, and social inclusion solutions worldwide. | Professional Services | 🇦🇺 Brisbane | 427 |  |
| 23 | [Davidson](https://www.tamtam.ai/c/davidson) (davidsonwp.com)<br>Australian leader in workplace performance enhancement through business advisory, recruitment, and technology consulting with a partnership-based approach and long-term client relationships | Staffing and Recruiting | 🇦🇺 Brisbane City | 409 | 1991 |
| 24 | [McInnes Wilson](https://www.tamtam.ai/c/mcinnes-wilson) (mcw.com.au)<br>Providing quality legal advice and services to protect clients' interests with a strategic approach, community involvement, and tailored solutions for unique matters | Law Practice | 🇦🇺 Brisbane | 382 | 1975 |
| 25 | [COSOL](https://www.tamtam.ai/c/cosol) (cosol.global)<br>Global provider of asset management solutions for asset intensive organizations, offering a vertically integrated, technology-enabled approach to drive business improvements | IT Services and IT Consulting | 🇦🇺 Brisbane City | 311 | 2000 |
| 26 | [Vincents](https://www.tamtam.ai/c/vincents) (vincents.com.au)<br>Specialist accounting and business advisors in Australia offering innovative solutions in assurance, risk, financial, insolvency, and more with national and international capabilities | Financial Services | 🇦🇺 Brisbane | 308 | 1989 |
| 27 | [Stellar Recruitment](https://www.tamtam.ai/c/stellar-recruitment) (stellarrecruitment.com)<br>A recruitment and workforce solutions agency specializing in various industries, dedicated to providing job seekers with life-changing career opportunities and achieving high customer satisfaction | Staffing and Recruiting | 🇦🇺 Brisbane City | 295 | 2006 |
| 28 | [Etax Accountants](https://www.tamtam.ai/c/etax-accountants) (etax.com.au)<br>An Australian online tax service offering fast tax returns, expert advice, and mobile app, led by local accountants and IT professionals | Financial Services | 🇦🇺 Upper Mount Gravatt | 278 | 1998 |
| 29 | [Wingman Group](https://www.tamtam.ai/c/wingman-group) (wingmangroup.com.au)<br>A Brisbane-based Australian-owned company providing outsourced staffing services to help clients achieve more with a reliable, high-performing remote team | Staffing and Recruiting | 🇦🇺 Brisbane | 262 | 2020 |
| 30 | [Queensland Audit Office (QAO)](https://www.tamtam.ai/c/queensland-audit-office-qao) (qao.qld.gov.au)<br>This organization is the independent auditor of the Queensland public sector, providing assurance, recommendations, and trusted advice for better public services | Accounting | 🇦🇺 Brisbane | 236 | 1860 |
| 31 | [MEC](https://www.tamtam.ai/c/mec-brisbane-city) (mecmining.com.au)<br>Global mining technical consulting firm offering services from exploration to closure, specializing in open cut and underground mining for coal and minerals | Mining | 🇦🇺 Brisbane City | 202 | 2005 |
| 32 | [Kinetic Innovative Staffing](https://www.tamtam.ai/c/kinetic-innovative-staffing) (kineticstaff.com)<br>KINETIC connects employers with skilled remote professionals in low-cost labour markets, helping companies optimize their workforce and remain competitive | Staffing and Recruiting | 🇦🇺 Brisbane | 190 | 2013 |
| 33 | [Maintenance & Project Engineering (MPE)](https://www.tamtam.ai/c/maintenance-and-project-engineering-mpe) (mpe.com.au)<br>An asset management consultancy and software company providing services to industries like Mining, Manufacturing, Utilities, Construction, Transport, and Government since 1997 | Business Consulting and Services | 🇦🇺 Oxenford | 157 | 1997 |
| 34 | [Auscript, a VIQ Solutions Company](https://www.tamtam.ai/c/auscript-a-viq-solutions-company) (viqsolutions.com.au)<br>Providing transcription and court recording services for the Australian justice system, delivering millions of pages of accurate transcripts annually | Legal Services | 🇦🇺 Brisbane | 80 | 1921 |
| 35 | [Liquid](https://www.tamtam.ai/c/liquid) (liquidinteractive.com.au)<br>A strategic design and digital consultancy specializing in Health, Government, and Education, integrating design, technology, and human interaction for organizations | Design Services | 🇦🇺 Brisbane | 62 | 2006 |
| 36 | [LC Engineering](https://www.tamtam.ai/c/lc-engineering) (lc.com.au)<br>Consulting mechanical engineers in Brisbane, established in 1989 Specializing in mechanical engineering, design, analysis, data logging, software development and machine monitoring | Industrial Machinery Manufacturing | 🇦🇺 Goodna | 30 | 1989 |
| 37 | [Kingfisher](https://www.tamtam.ai/c/kingfisher) (kingfishercreative.com.au)<br>A full-service design agency specializing in graphic design, branding, web development, SEO, and advertising services for local and international clients | Graphic Design | 🇦🇺 Toowoomba | 27 | 1998 |
| 38 | [Cambio Group](https://www.tamtam.ai/c/cambio-group) (cambiogroup.com.au)<br>A financial services company dedicated to providing trustworthy advice, helping clients achieve financial success with integrity, passion, and professional partnership for life | Financial Services | 🇦🇺 Gold Coast | 24 |  |
| 39 | [UHY Haines Norton Brisbane](https://www.tamtam.ai/c/uhy-haines-norton-brisbane) (hainesnortonbrisbane.uhyanz.com.au)<br>A company focused on helping clients achieve extraordinary results by providing tailored financial services and resources through expertise and a global network | Accounting | 🇦🇺 Brisbane | 23 |  |
| 40 | [Leadership Dynamics](https://www.tamtam.ai/c/leadership-dynamics) (leadershipdynamics.com.au)<br>This company helps individuals and businesses develop strong leadership skills, maximize productivity and profitability, improve team performance, and achieve work/life balance | Business Consulting and Services | 🇦🇺 Southport | 18 | 2002 |
| 41 | [Toro Wealth](https://www.tamtam.ai/c/toro-wealth) (torowealth.com.au)<br>Australian financial planning firm specializing in retirement planning advice, helping clients effectively plan for their retirement years | Financial Services | 🇦🇺 Mermaid Beach | 16 | 2019 |
| 42 | [The Better Business Bureau](https://www.tamtam.ai/c/the-better-business-bureau) (better-business.au)<br>Assisting small business owners in preparing for sale or expansion through a structured and attainable process | Business Consulting and Services | 🇦🇺 Brisbane | 8 | 2023 |
| 43 | [Capital Focused Private Wealth](https://www.tamtam.ai/c/capital-focused-private-wealth) (capitalfocused.com.au)<br>A team providing tailored retirement advice using investment and insurance strategies, with a focus on regular reviews for relevance and appropriateness | Financial Services | 🇦🇺 Brisbane | 6 | 2011 |
| 44 | [Creating Breakthroughs](https://www.tamtam.ai/c/creating-breakthroughs) (creatingbreakthroughs.com.au)<br>The company specializes in leadership development, team advancement, facilitation, leadership coaching, and partnership performance to achieve breakthrough results in organizations | Business Consulting and Services | 🇦🇺 Samford Village | 4 | 2003 |
| 45 | [Made Better Human](https://www.tamtam.ai/c/made-better-human) (madebetterhuman.com.au)<br>This company is dedicated to helping individuals and organizations unlock their potential through learning solutions, events, and transformative consulting services | Human Resources Services | 🇦🇺 Kenmore Brisbane | 2 | 2018 |
| 46 | [People Planet Guide](https://www.tamtam.ai/c/people-planet-guide) (peopleplanetguide.com)<br>The company offers solutions to help employees reach their potential, develop new employees, optimize teams, enhance performance, and provide strategic guidance for success | Business Consulting and Services | 🇦🇺 Brisbane | 2 | 2018 |
| 47 | [Modus Management Pty Ltd](https://www.tamtam.ai/c/modus-management-pty-ltd) (modus.management)<br>Specialized management consultancy offering expert advice for business growth, strategy development, operations analysis, and corporate governance with a focus on SaaS providers and technical-driven businesses | Business Consulting and Services | 🇦🇺 Fortitude Valley | 1 | 2017 |

## How this list is built

Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.

## More company lists in Queensland

- [The largest companies in Queensland](https://www.tamtam.ai/l/largest-companies-queensland) (747)
- [Multinational companies in Queensland](https://www.tamtam.ai/l/multinational-companies-queensland) (134)
- [Retail chains in Queensland](https://www.tamtam.ai/l/retail-chains-queensland) (97)
- [Critical infrastructure operators in Queensland](https://www.tamtam.ai/l/critical-infrastructure-operators-queensland) (79)
- [Healthcare providers in Queensland](https://www.tamtam.ai/l/healthcare-providers-queensland) (68)
- [Education providers in Queensland](https://www.tamtam.ai/l/education-companies-queensland) (66)
- [Public sector organisations in Queensland](https://www.tamtam.ai/l/public-sector-organisations-queensland) (59)
- [Hospitals and Health Care companies in Queensland](https://www.tamtam.ai/l/hospitals-and-health-care-companies-queensland) (53)
- [Financial services firms in Queensland](https://www.tamtam.ai/l/financial-services-firms-queensland) (48)
- [Companies with a mobile app in Queensland](https://www.tamtam.ai/l/companies-with-mobile-app-queensland) (45)
- [Government Administration companies in Queensland](https://www.tamtam.ai/l/government-administration-companies-queensland) (44)
- [Manufacturers in Queensland](https://www.tamtam.ai/l/manufacturers-queensland) (42)
- [Financial Services companies in Queensland](https://www.tamtam.ai/l/financial-services-companies-queensland) (41)
- [Mining companies in Queensland](https://www.tamtam.ai/l/mining-companies-queensland) (37)
- [Corporate groups and holding companies in Queensland](https://www.tamtam.ai/l/holding-companies-queensland) (37)
- [Hotel and hospitality groups in Queensland](https://www.tamtam.ai/l/hospitality-groups-queensland) (35)
- [Publicly traded companies in Queensland](https://www.tamtam.ai/l/publicly-traded-companies-queensland) (33)
- [Education Administration Programs companies in Queensland](https://www.tamtam.ai/l/education-administration-programs-companies-queensland) (31)
- [Retail companies in Queensland](https://www.tamtam.ai/l/retail-companies-queensland) (30)
- [E-commerce companies in Queensland](https://www.tamtam.ai/l/ecommerce-companies-queensland) (29)
- [Construction companies in Queensland](https://www.tamtam.ai/l/construction-companies-queensland) (28)
- [Non-profit Organizations companies in Queensland](https://www.tamtam.ai/l/non-profit-organizations-companies-queensland) (27)
- [Energy companies in Queensland](https://www.tamtam.ai/l/energy-companies-queensland) (25)

## The same list elsewhere in Australia

- [Professional services firms in Australia](https://www.tamtam.ai/l/professional-services-firms-australia) (377)
- [Professional services firms in New South Wales](https://www.tamtam.ai/l/professional-services-firms-new-south-wales) (140)
- [Professional services firms in Victoria](https://www.tamtam.ai/l/professional-services-firms-victoria) (121)
- [Professional services firms in Western Australia](https://www.tamtam.ai/l/professional-services-firms-western-australia) (37)
- [Professional services firms in Sydney](https://www.tamtam.ai/l/professional-services-firms-sydney) (93)
- [Professional services firms in Melbourne](https://www.tamtam.ai/l/professional-services-firms-melbourne) (76)

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Source: https://www.tamtam.ai/l/professional-services-firms-queensland