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.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
ALSalsglobal.com
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 |
13,323 | |||
| 2 |
Ausencoausenco.com
A global company offering sustainable solutions for minerals, metals, and industrial sectors through consulting, engineering, project delivery, and asset optimization |
4,227 | |||
| 3 |
TOA Globaltoaglobal.com
Providing global accounting outsourcing services with elite offshore talent to fill staffing gaps, enhance operational capacity, and save costs for firms |
3,820 | |||
| 4 |
BDO in Australiabdo.com.au
Providing audit, tax, and advisory services to diverse clients including corporations, private businesses, entrepreneurs, and individuals across industries. |
2,590 | |||
| 5 |
WorkPacworkpac.com
Australia's largest workforce services provider offering tailored recruitment, skills and career development solutions in diverse sectors, emphasizing safety and positive impact |
1,749 | |||
| 6 | 1,413 | ||||
| 7 | 1,155 | ||||
| 8 |
PeopleINpeoplein.com.au
A leading Australian group of workforce and staffing brands specialising in niche talent across various sectors, offering expertise at scale |
974 | |||
| 9 |
Sedgmansedgman.com
Design, delivery, and operation of high-performance minerals processing plants and mine-site infrastructure for coal, metals, and industrial minerals. |
961 | |||
| 10 |
DBM Vircondbmvircon.com
Specializing in construction modeling and digital engineering, we bring innovative solutions to optimize project delivery and overcome challenges through design innovation |
845 | |||
| 11 |
Shine Lawyersshine.com.au
Provide legal support and advocacy for clients facing injustice, fostering a collaborative environment focused on growth and challenging norms. |
753 | |||
| 12 |
Herron Todd Whitehtw.com.au
Independent property valuation and advisory services across Australia, specializing in residential, commercial, agribusiness, and government asset markets. |
724 | |||
| 13 |
RPS Australia Asia Pacificrpsgroup.com
Global professional services provider with 5,000 consultants operating in 125 countries, offering services in sectors such as energy, transport, water, and more |
686 | |||
| 14 |
First Choice Carefirstchoicecare.com.au
A nursing agency providing quality assignments in aged care and acute care settings, prioritizing matching qualified staff with facilities efficiently and innovatively |
578 | |||
| 15 |
CTYcty.com.au
A consulting firm focused on connecting people with processes, driving engagement, and unlocking value through a unique "See The Why" philosophy |
577 | |||
| 16 |
Protech Groupprotech.com.au
Protech specializes in workforce solutions for technical industries, offering tailored labor hire, recruitment, and permanent placement services for civil infrastructure, construction, engineering, and more |
514 | |||
| 17 |
Barry Nilssonbnlaw.com.au
A national law firm with 60 years of experience prioritizing clients, providing trusted legal services in Insurance, Health, Family Law, Wills & Estates |
503 | |||
| 18 |
Legal Aid Queenslandlegalaid.qld.gov.au
Legal Aid Queensland provides legal assistance to financially disadvantaged Queenslanders in criminal, family, and civil law matters through advice, representation, and preferred supplier partnerships |
474 | |||
| 19 |
AWXawx.com.au
Australian labour hire and recruitment company with 23 years of experience offering flexible employment solutions across various industries, backed by PeopleIN |
468 | |||
| 20 |
Construction Sciencesconstructionsciences.net
A leading firm in construction materials testing, geotechnical engineering, and environmental consulting trusted for critical infrastructure projects in Australia |
460 | |||
| 21 |
McCullough Robertsonmccullough.com.au
A leading Australian law firm offering advice to major corporations, governments, and high net worth individuals in various industries for over 95 years |
447 | |||
| 22 |
Abt Global Australiaabtglobal.com
Global leader in international development delivering health, economic growth, governance, research, and social inclusion solutions worldwide. |
427 | |||
| 23 |
Davidsondavidsonwp.com
Australian leader in workplace performance enhancement through business advisory, recruitment, and technology consulting with a partnership-based approach and long-term client relationships |
409 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 24 |
McInnes Wilsonmcw.com.au
Providing quality legal advice and services to protect clients' interests with a strategic approach, community involvement, and tailored solutions for unique matters |
382 | |||
| 25 |
COSOLcosol.global
Global provider of asset management solutions for asset intensive organizations, offering a vertically integrated, technology-enabled approach to drive business improvements |
311 | |||
| 26 |
Vincentsvincents.com.au
Specialist accounting and business advisors in Australia offering innovative solutions in assurance, risk, financial, insolvency, and more with national and international capabilities |
308 | |||
| 27 |
Stellar Recruitmentstellarrecruitment.com
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 |
295 | |||
| 28 |
Etax Accountantsetax.com.au
An Australian online tax service offering fast tax returns, expert advice, and mobile app, led by local accountants and IT professionals |
278 | |||
| 29 |
Wingman Groupwingmangroup.com.au
A Brisbane-based Australian-owned company providing outsourced staffing services to help clients achieve more with a reliable, high-performing remote team |
262 | |||
| 30 |
Queensland Audit Office (QAO)qao.qld.gov.au
This organization is the independent auditor of the Queensland public sector, providing assurance, recommendations, and trusted advice for better public services |
236 | |||
| 31 |
MECmecmining.com.au
Global mining technical consulting firm offering services from exploration to closure, specializing in open cut and underground mining for coal and minerals |
202 | |||
| 32 |
Kinetic Innovative Staffingkineticstaff.com
KINETIC connects employers with skilled remote professionals in low-cost labour markets, helping companies optimize their workforce and remain competitive |
190 | |||
| 33 |
Maintenance & Project Engineering (MPE)mpe.com.au
An asset management consultancy and software company providing services to industries like Mining, Manufacturing, Utilities, Construction, Transport, and Government since 1997 |
157 | |||
| 34 |
Auscript, a VIQ Solutions Companyviqsolutions.com.au
Providing transcription and court recording services for the Australian justice system, delivering millions of pages of accurate transcripts annually |
80 | |||
| 35 |
Liquidliquidinteractive.com.au
A strategic design and digital consultancy specializing in Health, Government, and Education, integrating design, technology, and human interaction for organizations |
62 | |||
| 36 |
LC Engineeringlc.com.au
Consulting mechanical engineers in Brisbane, established in 1989 Specializing in mechanical engineering, design, analysis, data logging, software development and machine monitoring |
30 | |||
| 37 |
Kingfisherkingfishercreative.com.au
A full-service design agency specializing in graphic design, branding, web development, SEO, and advertising services for local and international clients |
27 | |||
| 38 |
Cambio Groupcambiogroup.com.au
A financial services company dedicated to providing trustworthy advice, helping clients achieve financial success with integrity, passion, and professional partnership for life |
24 | |||
| 39 |
UHY Haines Norton Brisbanehainesnortonbrisbane.uhyanz.com.au
A company focused on helping clients achieve extraordinary results by providing tailored financial services and resources through expertise and a global network |
23 | |||
| 40 |
Leadership Dynamicsleadershipdynamics.com.au
This company helps individuals and businesses develop strong leadership skills, maximize productivity and profitability, improve team performance, and achieve work/life balance |
18 | |||
| 41 |
Toro Wealthtorowealth.com.au
Australian financial planning firm specializing in retirement planning advice, helping clients effectively plan for their retirement years |
16 | |||
| 42 |
The Better Business Bureaubetter-business.au
Assisting small business owners in preparing for sale or expansion through a structured and attainable process |
8 | |||
| 43 |
Capital Focused Private Wealthcapitalfocused.com.au
A team providing tailored retirement advice using investment and insurance strategies, with a focus on regular reviews for relevance and appropriateness |
6 | |||
| 44 |
Creating Breakthroughscreatingbreakthroughs.com.au
The company specializes in leadership development, team advancement, facilitation, leadership coaching, and partnership performance to achieve breakthrough results in organizations |
4 | |||
| 45 |
Made Better Humanmadebetterhuman.com.au
This company is dedicated to helping individuals and organizations unlock their potential through learning solutions, events, and transformative consulting services |
2 | |||
| 46 |
People Planet Guidepeopleplanetguide.com
The company offers solutions to help employees reach their potential, develop new employees, optimize teams, enhance performance, and provide strategic guidance for success |
2 | |||
| 47 |
Modus Management Pty Ltdmodus.management
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 |
1 | |||
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 747
- Multinational companies in Queensland 134
- Retail chains in Queensland 97
- Critical infrastructure operators in Queensland 79
- Healthcare providers in Queensland 68
- Education providers in Queensland 66
- Public sector organisations in Queensland 59
- Hospitals and Health Care companies in Queensland 53
- Financial services firms in Queensland 48
- Companies with a mobile app in Queensland 45
- Government Administration companies in Queensland 44
- Manufacturers in Queensland 42
- Financial Services companies in Queensland 41
- Mining companies in Queensland 37
- Corporate groups and holding companies in Queensland 37
- Hotel and hospitality groups in Queensland 35
- Publicly traded companies in Queensland 33
- Education Administration Programs companies in Queensland 31
- Retail companies in Queensland 30
- E-commerce companies in Queensland 29
- Construction companies in Queensland 28
- Non-profit Organizations companies in Queensland 27
- Energy companies in Queensland 25