This list features larger marketing and communications agencies in Australia. These companies predominantly offer advertising services, marketing services, and design services. Many of them are established firms, with several founded in the late 20th century.
Key companies include SEO, an agency offering web development and digital marketing; Outsourced Doers, which provides virtual marketing assistants; Sensis, focused on digital and print solutions; and IVE Group, Australia's largest marketing company. A notable pattern is the concentration of headquarters in major cities, particularly Melbourne and Sydney, which host the majority of these larger agencies.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 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 |
10,205 | |||
| 2 |
Outsourced Doersoutsourceddoers.com
Outsourced Doers provides virtual marketing assistants to entrepreneurs globally, helping them save time and grow their businesses cost-effectively |
1,821 | |||
| 3 |
Sensissensis.com.au
Sensis provides digital and print solutions to help Australians connect and engage, offering search marketing, website products, data solutions, and digital agency services |
1,162 | |||
| 4 |
IVE Groupivegroup.com.au
Largest Australian marketing company offering strategic thinking, creative production, brand activations, data-driven communications, and seamless distribution services. |
1,027 | |||
| 5 | 1,006 | ||||
| 6 |
oOh!oohmedia.com.au
Leading outdoor advertising company with extensive digital and classic assets, connecting brands to millions across Australia and New Zealand weekly. |
997 | |||
| 7 |
PMY Grouppmygroup.com
Providing comprehensive technology infrastructure, experiential systems, and intelligence solutions to optimize operations and enhance live venues and major events worldwide. |
760 | |||
| 8 |
DesignCrowddesigncrowd.com
Global online marketplace for logo, graphic, and web design services Outsource creative projects to a pool of over 500,000 designers worldwide |
750 | |||
| 9 |
Brand Influence Group (BIG)brandinfluencegroup.com
Provides experiential marketing, brand representation, talent management, sales, and visual merchandising through a nationwide mobile workforce of influencers. |
612 | |||
| 10 |
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 |
610 | |||
| 11 |
SGKsgkinc.com
A leading Australian design agency that transforms packaging to amplify brands, enabling them to grow stronger and scale faster |
546 | |||
| 12 |
CROSSMARK Australiacrossmark.com.au
Connecting brands with shoppers through merchandising, sales teams, brand ambassadors, and more for smarter, data-driven retail solutions and strategic partnerships worldwide |
535 | |||
| 13 |
Online Marketing Gurusonlinemarketinggurus.com.au
An award-winning digital marketing agency offering transparent and innovative services in SEO, PPC, Paid Social, Website, and more with evidence-based performance marketing |
535 | |||
| 14 | 510 | ||||
| 15 |
OMD Australiaomd.com
Global marketing and communications agency focused on people, data-driven insights, and growth Known for performance, integrity, and inclusive culture |
509 | |||
| 16 |
JimJam Ideasjimjamideas.com
Award-winning agency specializing in integrated communications, utilizing connected ideas for transformative marketing strategies, creative development, and end-to-end execution in the market |
505 | |||
| 17 |
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 |
503 | |||
| 18 |
Creative Activationcreativeactivation.com.au
A retail partner specializing in merchandising, sales teams, brand ambassadors, mystery shopping, retail auditing, and customer engagement solutions for accelerated retail growth |
496 | |||
| 19 |
Are Media Pty Ltdaremedia.com.au
An omnichannel content company in Australia for women, creating influential and inspiring content through various platforms to drive positive change |
493 | |||
| 20 |
Clemenger BBDOclemengerbbdo.com.au
This company specializes in providing creative solutions and ideas of value for culturally significant brands, using innovative and pioneering methods |
465 | |||
| 21 |
Trasnettrasnet.co.uk
A digital agency in Norfolk offering design, development, and marketing services Specializing in website design, SEO, PPC, and email campaigns |
427 | |||
| 22 |
Web3web3.com.au
An Australian digital marketing agency specializing in custom website development, PPC campaign management, SEO, and various online advertising services for growth-focused organizations |
416 | |||
| 23 |
Sports Entertainment Networksportsentertainmentnetwork.com.au
A dynamic sports and entertainment company connecting brands with fans through radio, television, digital, publishing, stadiums, events, and exclusive sports partnerships |
414 | |||
| 24 | 401 | ||||
| 25 |
Strikeforce AMCstrikeforce.com.au
A highly awarded outsourced sales and merchandising provider operating in Australia and New Zealand, improving partners' ROI through brand activation and shopper marketing solutions |
400 | |||
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. | |||||
| 26 |
Clemenger Careers Australia & New Zealandcle.ms
Leading marketing communications group in Australia & New Zealand, with 26+ businesses offering creative, advertising, PR, design, and market research services Over 1,600 employees across multiple locations |
393 | |||
| 27 |
First Pagefirstpage.com.au
A results-driven digital marketing agency specializing in SEO, content creation, ad campaigns, and lead generation for businesses seeking growth and success |
390 | |||
| 28 |
Buzzbuzzproducts.com
Global design company creating signature moments for travel by partnering with airlines, hotels, cruise, and rail brands worldwide. |
389 | |||
| 29 |
Fusion Corporationfusioncorp.co
Fusion offers centralized retail marketing solutions, including display systems, printing, packaging, and digital services through various specialist agencies worldwide |
380 | |||
| 30 |
The General Storethegstore.com.au
Specializing in retail strategy and innovation, services include brand strategy, marketing mix strategies, consumer insights, workshop facilitation, and creative innovation work for various clients |
378 | |||
| 31 |
UMMumm.com.au
Crafting brand stories to inspire action through creative communication Specializing in PR, Social, Influencer, and Creative strategies to build lasting relationships with customers #PushingBrandsBeyond |
369 | |||
| 32 |
Cartology - Part of the Woolworths Groupcartology.com.au
Data-led marketing solutions partner to Woolworths Supermarkets and BIG W, connecting brands with customers through targeted strategies and diverse media channels |
351 | |||
| 33 |
Cutting Edgecuttingedge.com.au
Innovative content creation and technical solutions for advertising, film, and television industries Services include design, animation, post-production, VFX, and branded communications |
351 | |||
| 34 |
Bastionbastionagency.com
Integrated marketing and communications agency with a global presence, offering a full range of specialized services across various industries and markets |
345 | |||
| 35 |
Encore APACencore-apac.com
Expert global network providing strategic event design, audiovisual technology, and professional execution for high-impact meetings and hospitality industry live event production services. |
325 | |||
| 36 |
JCDecaux Australiajcdecaux.com.au
A global out-of-home advertising company that provides high quality street furniture, transport advertising, and digital billboards in over 80 countries |
318 | |||
| 37 |
Tom Thumbtomthumb.com.au
This company specializes in developing creative strategies to bring clients' visions to life, using a unique structure and expertise in marketing and business |
308 | |||
| 38 |
Cliftonscliftons.com
A go-to destination for creating remarkable global events, offering event management services, venues, technology, and comprehensive project support |
283 | |||
| 39 |
Orchardorchard.com.au
creative and technology business creating connected brand experiences and content to unlock cultural, business, and customer value globally |
249 | |||
| 40 |
Digital Alchemydigitalalchemy.global
A data-driven marketing company founded in 2003, now the largest in Asia Pacific, helping brands stay ahead, customer-centric, and relevant |
229 | |||
| 41 |
TGI Sport (Australia)tgisport.com
Specializing in sports marketing and fan engagement, we connect brands to fans through talent management, technology, events, merchandise, PR, partnerships, and more |
229 | |||
| 42 |
OPGfusioncorp.co
Specializing in innovative point of sale solutions, retail displays, and visual merchandising Offering design, prototype development, print management, and project management services |
229 | |||
| 43 |
Negocio
Strategic marketing firm specialized in brand amplification, fan engagement, rights strategy, sponsorship, media planning, digital transformation, and retail execution |
222 | |||
| 44 |
FCM Meetings & Eventsfcmtravel.com
Global corporate event services combining creative strategy and technology with travel program expertise to deliver large-scale meetings and brand experiences worldwide. |
220 | |||
| 45 |
LPNlpn.com.au
An independent creative agency specializing in marketing communications and brand development, delivering strategies and solutions across all relevant channels for clients |
219 | |||
| 46 |
Mushroom Groupmushroomgroup.com
The largest independent music and entertainment group in Australia, encompassing various specialist brands across the industry, offering a wide range of services and support for artists |
219 | |||
| 47 |
Atomic 212潞atomic212.com.au
Specialist performance media agency driving client growth through data-driven strategies, integrated marketing solutions, and regression-based media planning for revenue growth |
215 | |||
| 48 |
Overdose.overdose.digital
Global commerce consultancy combining enterprise experience with startup agility, delivering accelerated results through bespoke strategies and deep service integration for clients worldwide |
208 | |||
| 49 |
Enigmahelloenigma.com.au
Creative and strategic team focused on building and growing distinctive, unignorable brands through media, strategy, and creative expertise. |
199 | |||
| 50 |
Think HQthink-hq.com.au
An integrated communications agency focused on driving social good through campaigns that center people, culture, and context for positive impact |
196 | |||
Turn this list into pipeline
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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 12, 2026.
More company lists in Australia
- The largest companies in Australia 5,556
- Multinational companies in Australia 1,184
- Retail chains in Australia 577
- Financial services firms in Australia 483
- Critical infrastructure operators in Australia 450
- Education providers in Australia 402
- Healthcare providers in Australia 397
- Professional services firms in Australia 377
- Financial Services companies in Australia 373
- Government Administration companies in Australia 351
- Public sector organisations in Australia 326
- Manufacturers in Australia 320
- Companies with a mobile app in Australia 305
- Publicly traded companies in Australia 299
- Hospitals and Health Care companies in Australia 297
- Corporate groups and holding companies in Australia 280
- E-commerce companies in Australia 247
- Retail companies in Australia 243
- Companies with in-house R&D in Australia 235
- IT Services and IT Consulting companies in Australia 215
- Consulting firms in Australia 210
- Non-profit Organizations companies in Australia 190
- Hotel and hospitality groups in Australia 188
- Construction companies in Australia 186
The same list elsewhere in Australia
- Marketing and communications agencies in New South Wales 40
- Marketing and communications agencies in Victoria 31