Tamtam Start free

The 50 largest professional services firms in Victoria

Tamtam tracks 121 professional services firms headquartered in Victoria. This list ranks the 50 largest by number of employees on LinkedIn, led by SEO, Aurecon and Rider Levett Bucknall RLB. Their median headcount is 791. Half of them were founded in 1991 or later. The most common headquarters are Melbourne (35), Docklands (3) and South Melbourne (2).

馃嚘馃嚭 Victoria50 companiesUpdated Nov 11, 2026

These professional services firms in Victoria include a mix of large established companies and some founded in the 2000s, primarily concentrated in Melbourne and its surrounding suburbs. They span diverse sectors, from digital marketing and engineering to legal and financial services, reflecting a broad professional landscape.

Key companies include SEO, a digital marketing agency; Aurecon, an engineering and advisory firm; X-Team, providing remote developers; and Accenture Australia, a global professional services company. Other notable firms are Findex, offering financial advisory services, and Slater and Gordon Lawyers, a consumer law firm. A common pattern observed is the strong presence of companies founded before 2000, indicating a mature professional services market.

#CompanyIndustryHeadquarters EmployeesFounded
1
SEOoptimising.com.au

A leading SEO agency with over 15 years of experience, offering in-house services for web development, PR, copywriting, and digital marketing

Advertising Services 馃嚘馃嚭 Melbourne 10,205 1999
2
Aureconaurecongroup.com

Design, engineering, and advisory company focusing on creating a better future through innovative solutions across various markets and asset types

Engineering Services 馃嚘馃嚭 Docklands 8,800 2009
3
Rider Levett Bucknall RLBrlb.com

Specialists in cost management, quantity surveying, project management, and sustainability services for landmark and ambitious construction projects worldwide.

Construction 馃嚘馃嚭 3,622 n/a
4
X-Teamx-team.com

Providing vetted, high-performing remote developers to integrate seamlessly with existing teams, enhancing engineering capabilities across diverse industries.

Staffing and Recruiting 馃嚘馃嚭 Chelsea 2,737 2006
5
Healthcare Australiahealthcareaustralia.com.au

A healthcare staffing agency offering solutions to the growing nursing and medical skills shortage, allowing professionals flexibility in their work

Health and Human Services 馃嚘馃嚭 Melbourne 2,346 n/a
6
Accenture Australiaaccenture.com

Global professional services company focused on digital transformation, operations optimization, revenue growth, and citizen services with a strong technology-driven approach

IT Services and IT Consulting 馃嚘馃嚭 Melbourne VIC 2,305 1989
7
ANZUK Education Australiaanzuk.education

A leading education recruitment agency placing educators and support staff in schools and early childhood settings, focusing on making a difference every day

Education Administration Programs 馃嚘馃嚭 Collingwood 2,210 2004
8
Findexfindex.com.au

Provider of integrated financial advisory and accounting services across Australia and New Zealand, focusing on holistic, technology-driven client solutions.

Financial Services 馃嚘馃嚭 Melbourne 2,004 1987
9
HWLE Lawyershwlebsworth.com.au

Providing expert commercial legal services across Australia with high partner involvement, focusing on client outcomes and efficient problem-solving.

Law Practice 馃嚘馃嚭 Melbourne 1,914 n/a
10
IPAsynergieaustralia.com.au

A national recruitment agency in Australia, providing temporary, permanent, and diversity recruitment services while supporting people with disabilities

Staffing and Recruiting 馃嚘馃嚭 Melbourne 1,838 1984
11
Pitcher Partnerspitcher.com.au

Accounting, audit, and advisory services focused on middle market businesses, family-owned firms, high net-worth individuals, and public sector clients.

Accounting 馃嚘馃嚭 Docklands 1,546 1991
12
CyberCX

Provides comprehensive cybersecurity services including consulting, incident response, security testing, and managed solutions to organizations across various sectors, ensuring digital resilience.

Computer and Network Security 馃嚘馃嚭 Melbourne 1,431 2019
13
Slater and Gordon Lawyersslatergordon.com.au

A leading consumer law firm in Australia providing accessible and expert legal services in Compensation Law, Class Actions, Employment Law, and more

Law Practice 馃嚘馃嚭 Melbourne 1,298 1935
14
Woods Bagotwoodsbagot.com

Global design studio with 17 studios in 6 regions, specializing in Architecture, Interiors, and Masterplanning Emphasizing collaboration and data-driven predictions of human behavior

Architecture and Planning 馃嚘馃嚭 Melbourne 1,233 1869
15
Hall & Wilcoxhallandwilcox.com.au

Leading Australian law firm providing innovative, client-focused legal services with a commitment to community, technology, and commercial success.

Law Practice 馃嚘馃嚭 Melbourne 1,159 1917
16
Urbisurbis.com.au

Urban development consultancy providing expertise in planning, design, policy, heritage, valuations, transactions, economics, and research for better city and community outcomes

Business Consulting and Services 馃嚘馃嚭 Melbourne 1,139 1963
17
Maurice Blackburn Lawyersmauriceblackburn.com.au

Leading plaintiff and social justice law firm in Australia, advocating for those who can't afford legal representation with over 100 years of history

Law Practice 馃嚘馃嚭 Melbourne 1,107 1919
18
Mills Oakleymillsoakley.com.au

A national law firm offering expertise in key commercial practice areas, providing superior service and value for clients at every stage

Law Practice 馃嚘馃嚭 Melbourne 1,100 1864
19
Architectusarchitectus.com.au

Architectural design practice focused on creating elegant, functional, and sustainable solutions across various sectors with a collaborative and human-centric approach

Architecture and Planning 馃嚘馃嚭 Melbourne 1,093 2001
20
Attra, a Synechron Companysynechron.com

A global technology services provider specializing in payments with over 25 years of experience, offering consulting, application management, and quality engineering services

IT Services and IT Consulting 馃嚘馃嚭 Box Hill 984 1995
21
PKF - Australiapkf.com.au

A global community of business and wealth advisors creating opportunities for client, employee, and community success through a network of member firms

Accounting 馃嚘馃嚭 Melbourne 956 1968
22
Gadensgadens.com

Providing comprehensive legal services across banking, corporate, disputes, employment, IP, real estate, supporting complex client needs nationwide.

Law Practice 馃嚘馃嚭 Melbourne 933 n/a
23
Maddocksmaddocks.com.au

An independent Australian law firm with offices in Canberra, Melbourne, and Sydney, providing practical legal services to corporations, businesses, and governments

Law Practice 馃嚘馃嚭 Melbourne 928 1885
24
Lander & Rogerslanders.com.au

Providing practical, commercial legal advice with exceptional client service across government, insurance, real estate, retail, private clients, and technology sectors.

Law Practice 馃嚘馃嚭 Melbourne 833 n/a
25
Hassellhassellstudio.com

An international design practice with studios worldwide, creating the best places people love through holistic thinking and integrated design teams

Architecture and Planning 馃嚘馃嚭 Melbourne 791 1938

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.

Get more companies, free
26
Mantelmantelgroup.com.au

Next-gen consultancy specializing in AI, data, digital, security, and cloud solutions to transform business operations with a people-focused culture.

IT Services and IT Consulting 馃嚘馃嚭 Melbourne 786 n/a
27
EY Analytics (Asia-Pacific)ey.com

Specializing in data and advanced analytics, we help organizations implement strategies to optimize growth, protect assets, and improve business outcomes

IT Services and IT Consulting 馃嚘馃嚭 Melbourne 780 2006
28
Oncalloncallservices.com

A global leader in interpreting and translation services, offering solutions in over 230 languages with a focus on quality and client satisfaction

Translation and Localization 馃嚘馃嚭 South Melbourne 758 1984
29
Moray & Agnewmoray.com.au

national law firm specializing in insurance, commercial disputes, construction, corporate, property, and workplace legal services across multiple Australian cities

Law Practice 馃嚘馃嚭 755 n/a
30
Opteon AUS & NZopteonsolutions.com

A national provider of valuation and property advisory services with expertise in residential, commercial, government, agribusiness, and more for various clients

Real Estate 馃嚘馃嚭 Melbourne 754 2005
31
aeccpartner.aeccglobal.com

An international student recruitment organization guiding students through the education and immigration process, serving clients worldwide with personalized and ethical assistance

Education Administration Programs 馃嚘馃嚭 Melbourne 683 n/a
32
NDYndy.com

The company focuses on delivering successful outcomes for challenging projects by fostering client relationships based on trust, collaboration, and innovation

Engineering Services 馃嚘馃嚭 Melbourne 680 1972
33
McArthurmcarthur.com.au

A well-established Australian recruitment and HR specialist offering staffing solutions in various sectors, with a focus on the care economy Talent Architects division offers HR consultancy services

Staffing and Recruiting 馃嚘馃嚭 Burnley 658 1969
34
Nous Groupnousgroup.com

International management consultancy specializing in strategy, performance, leadership, transformation, economics, public policy, data analytics, digital, and design to help clients achieve success

Business Consulting and Services 馃嚘馃嚭 Docklands 656 1999
35
KordaMenthakordamentha.com

An independent advisory firm offering cybersecurity, financial crime, forensic, real estate, and restructuring services with over 400 specialists in Asia-Pacific

Business Consulting and Services 馃嚘馃嚭 Melbourne 650 2002
36
ASP Ships Groupaspships.com

Global maritime services provider offering ship management, technical support, crew and marine logistics, bunkering, and commercial management with a network of international offices

Maritime 馃嚘馃嚭 Melbourne 640 n/a
37
DWSdws.hcltech.com

A leading Australian IT and Management Consulting Services Group offering a wide range of services to corporate and government clients

IT Services and IT Consulting 馃嚘馃嚭 Melbourne 638 1991
38
GrowthOpsgrowthops.com.au

A growth services partner offering a fusion of marketing, technology, and people disciplines to help large organizations acquire customers, launch products, and scale operations

Marketing Services 馃嚘馃嚭 South Melbourne 610 n/a
39
Public Sector Peoplepublicsectorpeople.com.au

Specialized recruitment agency focusing on sourcing top talent for the public sector, offering tailored solutions and dedicated consultants for successful placements

Staffing and Recruiting 馃嚘馃嚭 Melbourne 608 n/a
40
ADP Consultingadpconsulting.com

A sustainability-focused engineering consultancy pushing boundaries in design and innovation to deliver sustainable solutions for complex projects worldwide

Engineering Services 馃嚘馃嚭 Melbourne 572 2011
41
HOBAN Recruitmenthoban.com.au

Leading recruitment agency providing diverse solutions across white-collar, industrial, and government sectors nationally, with a commitment to excellence, diversity, and inclusion

Staffing and Recruiting 馃嚘馃嚭 Melbourne 569 1965
42
Aussizz Groupaussizzgroup.com

Migration and education excellence provider, offering visa services for Australia, New Zealand, and Canada with a global presence and commitment to exceptional service and support

Education 馃嚘馃嚭 Melbourne 556 2009
43
Versentversent.com.au

Australian technology company specializing in cloud native applications, data platforms, and services, with a customer-first approach and a focus on quality outcomes

IT Services and IT Consulting 馃嚘馃嚭 Melbourne 555 2014
44
PPTppt.com.au

Experienced accounting and financial planning firm in Ballarat, providing expert advice and support for business, family, and individual financial affairs with a friendly service

Accounting 馃嚘馃嚭 Ballarat 554 1967
45
Assaiassai.com.au

Assai specializes in building stronger communities and organizations through evaluation, social infrastructure, research, and art training projects in Asia-Pacific

International Trade and Development 馃嚘馃嚭 Melbourne 549 1985
46
Mercer Pacificmercer.com.au

Consulting firm specializing in work transformation, retirement planning, investment strategies, and health and well-being solutions across global markets.

Professional Services 馃嚘馃嚭 Melbourne 534 n/a
47
IPARipar.com.au

A leading national provider in Australia offering injury prevention, management, and return to work services for insurers and companies Staffed by highly skilled healthcare professionals

Wellness and Fitness Services 馃嚘馃嚭 Melbourne 533 2003
48
Holding Redlichholdingredlich.com

Providing tailored legal services across Australia with expert knowledge, strong networks, and a commitment to client success and collaboration.

Law Practice 馃嚘馃嚭 Melbourne 530 1962
49
Spark Event Groupsparkeventgroup.com

A leading event management group providing end-to-end solutions for event owners and operators, offering workforce solutions, logistics, and specialized training opportunities

Events Services 馃嚘馃嚭 Southbank 503 2020
50
Offshore Business Processingoffshorebusinessprocessing.com

An independent firm offering business process outsourcing services, helping companies relocate office jobs offshore in various industries to save on costs and remain competitive

Outsourcing and Offshoring Consulting 馃嚘馃嚭 Melbourne 502 2012

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.

Build your own list, free

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 Victoria

The same list elsewhere in Australia