Australia has a large and fragmented SEO market. A September 2026 business-data snapshot identifies 860 SEO companies headquartered in the country. Most are very small, so choosing a partner means separating genuine capability from marketing claims.
This guide profiles the 25 largest SEO companies by tracked team size. It gives a side-by-side comparison, a profile for each company, pricing context, a hiring framework, and a template for adding verified client reviews.
Important: The order of this list reflects the number of professional contacts tracked at each company. It is not a ranking of quality, results or client satisfaction. Company descriptions are the firms’ own public claims, paraphrased here. No ratings or reviews have been invented; each profile contains a field for verified reviews you can add.
Market Overview
| Measure | Figure (Sept 2026) |
|---|---|
| SEO companies headquartered in Australia | 860 |
| Professional contacts tracked across them | 10,482 |
| Companies with 1–10 employees | 654 |
| Companies with 11–50 employees | 161 |
| Companies with 51–200 employees | 35 |
| Companies with 201+ employees | 4 |
| Sydney-based companies | 123 |
| Melbourne-based companies | 121 |
| Brisbane-based companies | 52 |
Source: RevenueBase company lists, refreshed 6 September 2026.
Key takeaways
- About 76% of Australian SEO companies employ ten people or fewer, so boutique and freelancer-style providers dominate.
- Only a small group have teams above 50, and they tend to offer broader services.
- Sydney and Melbourne are the largest hubs, and nine of the 25 firms profiled below are based in Melbourne.
Methodology and Limitations
Companies were matched by the meaning of their own business descriptions to the category “SEO companies” and then ordered by the number of professionals tracked at each one, largest first.
- Team size is a proxy for scale, not skill.
- Some entries are full-service, creative or software companies rather than pure SEO specialists.
- Descriptions are self-reported and may change. Always check the company’s current website.
- Headquarters locations are as recorded in the dataset.
- One entry (Optimising) shows an unusually high contact count that may reflect a data quirk, so its real size should be confirmed.
Comparison Table
| # | Company | HQ | Team | Focus (self-described) | Website |
|---|---|---|---|---|---|
| 1 | Optimising | Melbourne | Not listed | Search behaviour messaging; services to confirm | optimising.com.au |
| 2 | StudioHawk | Melbourne | 51–200 | Dedicated SEO and AI search | studiohawk.com.au |
| 3 | Jaywing Australia | Millers Point | 51–200 | Data-led search and online media | jaywing.com.au |
| 4 | Megantic | St Kilda | 51–200 | E-commerce organic search | megantic.com.au |
| 5 | Traffic Radius | Southbank | 51–200 | Search engine ranking services | trafficradius.com.au |
| 6 | Trillion (formerly Trellian) | Beaumaris | 51–200 | SEO tools and software since 1997 | trillion.com |
| 7 | Rank My Business Australia | Melbourne | 11–50 | Digital marketing and SEO | rankmybusiness.com.au |
| 8 | Supple Digital | Richmond | 51–200 | SEO, SEM, web design, social | supple.com.au |
| 9 | Area TEN | Sydney | 11–50 | SEO focused on faster results | areaten.com |
| 10 | Prosperity Media | Surry Hills | 11–50 | SEO consultancy | prosperitymedia.com.au |
| 11 | In Marketing We Trust | Sydney | 11–50 | Search and AI-era discovery | inmarketingwetrust.com.au |
| 12 | Locafy | Subiaco | 11–50 | Low-cost local SEO, NASDAQ listed | locafy.com |
| 13 | Etraffic | Melbourne | 11–50 | Creative agency | etraffic.com.au |
| 14 | Gorilla 360 | Carrington | 11–50 | Plain-language digital marketing | gorilla360.com.au |
| 15 | VEN Agency | Cremorne | 11–50 | Multi-service digital marketing | ven.com.au |
| 16 | Hurricane Digital | Milton | 11–50 | SEO-specialised agency | hurricanedigital.com.au |
| 17 | Goop Digital | Geelong | 11–50 | Digital marketing | goop.com.au |
| 18 | Full Measure Digital | Seddon | 11–50 | Search marketing | fullmeasuredigital.com |
| 19 | Sixgun | Richmond | 11–50 | Digital marketing, SEO and SEM | sixgun.com.au |
| 20 | White Chalk Road | Perth | 11–50 | Local focus | whitechalkroad.com.au |
| 21 | DNM Digital | North Strathfield | 11–50 | SEO services | dnmdigital.com.au |
| 22 | Shout Digital | Melbourne | 11–50 | Full-service, search to sale | shoutdigital.com.au |
| 23 | Think Local Search | Sydney | 11–50 | Local search | thinklocalsearch.com.au |
| 24 | Business Assist | Melbourne | 11–50 | Boutique full-service marketing | businessassist.net |
| 25 | KWASI | Adelaide | 11–50 | Search visibility and discovery | kwasi.com |
Quick Selection Guide
| If you need… | Consider shortlisting |
|---|---|
| A large dedicated SEO team | StudioHawk, Megantic |
| E-commerce specialist | Megantic |
| SEO plus paid media | Jaywing, Supple Digital, Sixgun |
| Low-cost local SEO | Locafy, Think Local Search |
| SEO tools to run in-house | Trillion |
| Strategy-led consultancy | Prosperity Media |
| Long-established boutique | Business Assist |
| Regional or non-Sydney/Melbourne base | Goop Digital (Geelong), KWASI (Adelaide), White Chalk Road (Perth), Locafy (Subiaco) |
These are starting points based on self-described positioning, not recommendations of quality.
Company Profiles
Each profile shows what the company says about itself, who it may suit, and what to verify before hiring, and ends with a field for a verified review.
1. Optimising
Location: Melbourne | Team: Not listed | Website: optimising.com.au
Overview: The public description recorded for this firm discusses the way people search is changing, but does not list specific services. It also shows far more tracked contacts than any other company, which may be a data artefact.
May suit: Businesses curious about how search is evolving, after services are confirmed.
Verify: Actual services, real team size, case studies, and client references.
2. StudioHawk
Location: Melbourne | Team: 51–200 | Website: studiohawk.com.au
Overview: Describes itself as Australia’s number one dedicated SEO and AI search agency. This is the company’s own claim.
May suit: Brands wanting a large, SEO-only team rather than a generalist agency.
Verify: Evidence behind the “number one” claim, industry experience, reporting format, and contract length.
3. Jaywing Australia
Location: Millers Point | Team: 51–200 | Website: jaywing.com.au
Overview: Presents as a data-science-led search and online media specialist using an integrated marketing approach.
May suit: Businesses that want SEO coordinated with paid media and analytics.
Verify: Whether SEO has a dedicated team, and how organic and paid results are reported together.
4. Megantic
Location: St Kilda | Team: 51–200 | Website: megantic.com.au
Overview: States that it is the only organic search specialist agency in Australia dedicated to e-commerce.
May suit: Online retailers with large product catalogues and category structures.
Verify: Supported platforms, e-commerce case studies, and how product page and category SEO is handled.
5. Traffic Radius
Location: Southbank | Team: 51–200 | Website: trafficradius.com.au
Overview: Its public messaging centres on helping businesses reach the first page of search results.
May suit: Businesses seeking a larger provider focused on search visibility.
Verify: What is committed beyond rankings. No agency controls Google, so be cautious about ranking promises.
6. Trillion (formerly Trellian)
Location: Beaumaris | Team: 51–200 | Website: trillion.com
Overview: Established in 1997 and says it pioneered web-based, self-serve SEO tools. It is closer to a software provider than a traditional agency.
May suit: Teams that want to run SEO in-house with tooling support.
Verify: Whether managed services exist, tool features, pricing model, and support.
7. Rank My Business Australia
Location: Melbourne | Team: 11–50 | Website: rankmybusiness.com.au
Overview: Describes itself as a Melbourne digital marketing agency helping businesses scale online through SEO strategies and conversion-focused work.
May suit: Small to mid-sized Melbourne businesses.
Verify: Results in your industry, reporting, and who actually does the work.
8. Supple Digital
Location: Richmond | Team: 51–200 | Website: supple.com.au
Overview: Calls itself a multi-award-winning agency covering SEO, SEM, web design and development, and social media.
May suit: Businesses wanting one agency for several channels.
Verify: Which awards, for what work, and who runs the SEO side.
9. Area TEN
Location: Sydney | Team: 11–50 | Website: areaten.com
Overview: Positions itself around achieving bigger SEO results more quickly.
May suit: Sydney businesses wanting a focused SEO team.
Verify: What “faster” means in practice, and the timeline for early results.
10. Prosperity Media
Location: Surry Hills | Team: 11–50 | Website: prosperitymedia.com.au
Overview: States a vision of becoming Asia-Pacific’s most awarded and trusted SEO consultancy.
May suit: Brands that want strategic guidance and consultancy-style engagement.
Verify: How hands-on implementation is, and the awards claimed.
11. In Marketing We Trust
Location: Sydney | Team: 11–50 | Website: inmarketingwetrust.com.au
Overview: Messaging spans traditional search through to AI-driven discovery.
May suit: Businesses concerned about visibility in AI search results.
Verify: How AI visibility is measured and reported.
12. Locafy
Location: Subiaco | Team: 11–50 | Website: locafy.com
Overview: A NASDAQ-listed SEO company offering local businesses a low-cost SEO solution.
May suit: Small local businesses on tight budgets.
Verify: Whether the service is productised or customised, and what is included at each price level.
13. Etraffic
Location: Melbourne | Team: 11–50 | Website: etraffic.com.au
Overview: Describes itself as a dynamic creative agency, so SEO may be one service among several.
May suit: Businesses that want design and creative work alongside SEO.
Verify: Whether dedicated SEO specialists are on staff.
14. Gorilla 360
Location: Carrington | Team: 11–50 | Website: gorilla360.com.au
Overview: Positions itself against the jargon and vague promises common in digital marketing.
May suit: Owners who want plain-language communication.
Verify: Reporting clarity, targets, and service scope.
15. VEN Agency
Location: Cremorne | Team: 11–50 | Website: ven.com.au
Overview: A multi-service digital marketing agency based in Melbourne.
May suit: Businesses wanting several services under one roof.
Verify: What share of work is SEO and who leads it.
16. Hurricane Digital
Location: Milton | Team: 11–50 | Website: hurricanedigital.com.au
Overview: Describes itself as a leading digital marketing agency specialising in search engine optimisation.
May suit: Businesses wanting an SEO-led agency.
Verify: Industry experience and examples of sustained results.
17. Goop Digital
Location: Geelong | Team: 11–50 | Website: goop.com.au
Overview: Promotes smarter digital marketing for businesses. Its Geelong base may appeal to regional clients.
May suit: Regional Victorian businesses.
Verify: Service scope and SEO-specific case studies.
18. Full Measure Digital
Location: Seddon | Team: 11–50 | Website: fullmeasuredigital.com
Overview: Offers search marketing strategies based on experience.
May suit: Businesses wanting search-focused work.
Verify: What experience means in practice, and which sectors.
19. Sixgun
Location: Richmond | Team: 11–50 | Website: sixgun.com.au
Overview: A digital marketing agency emphasising professionalism and rigour. It also appears in an agency-written 2026 roundup as a reputable SEO and SEM provider.
May suit: Businesses combining SEO with paid search.
Verify: Reporting depth and the split between SEO and SEM work.
20. White Chalk Road
Location: Perth | Team: 11–50 | Website: whitechalkroad.com.au
Overview: The dataset records only a local focus. Little else is available, so services should be checked directly.
May suit: Western Australian businesses wanting a local partner.
Verify: Services, local SEO scope, and references.
21. DNM Digital
Location: North Strathfield | Team: 11–50 | Website: dnmdigital.com.au
Overview: Says it is transforming the landscape of SEO services.
May suit: Sydney businesses wanting a specialist.
Verify: What is distinctive in the approach, backed by case studies.
22. Shout Digital
Location: Melbourne | Team: 11–50 | Website: shoutdigital.com.au
Overview: Full-service digital marketing with a focus on measurable results from search through to sale.
May suit: Businesses that want results tied to sales.
Verify: How sales are attributed to organic search.
23. Think Local Search
Location: Sydney | Team: 11–50 | Website: thinklocalsearch.com.au
Overview: A Sydney agency with a local-search focus.
May suit: Service businesses targeting local customers.
Verify: Whether Google Business Profile and citations are included.
24. Business Assist
Location: Melbourne | Team: 11–50 | Website: businessassist.net
Overview: Founded by Steve Foura in 1995, it describes itself as a boutique full-service agency specialising in data-driven, customised marketing. It is one of the longer-established firms on the list.
May suit: Businesses valuing long track record and customised work.
Verify: Client load per account manager and recent SEO results.
25. KWASI
Location: Adelaide | Team: 11–50 | Website: kwasi.com
Overview: Aims to help people and brands be found more easily across all touchpoints.
May suit: South Australian businesses wanting a local partner.
Verify: Service list, case studies, and clients outside Adelaide.
SEO Pricing in Australia
Published figures vary because they come from different sources, many of them agencies.
| Source | Reported range |
|---|---|
| SEO Discovery (agency blog) | $250 to $2,000+ per month |
| Zyppy directory | $5,000 to $10,000 (USD) per month for listed providers |
| Xpand Digital (Sydney) | $2,000 to $8,000+ per month for credible retainers |
A realistic budget for a serious program is in the low-to-mid thousands of dollars monthly. Very low prices often mean a few hours or generic work. Always ask for hours, deliverables and reporting in writing.
How to Choose an SEO Company
- Define your goal: Leads, online sales, or local visibility each need different work.
- Match specialisation: E-commerce, local and enterprise SEO differ significantly.
- Request an audit: Ask whether the agency will audit your site before you sign.
- Keep ownership: You should have access to your own analytics, Search Console and ad accounts.
- Avoid guarantees: Nobody controls Google’s rankings.
- Compare three agencies: Check contract terms and exit options.
Questions to Ask Every Agency
- Who will actually work on my account, and how many clients do they handle?
- Can you show results for a business similar to mine?
- How do you measure success beyond rankings?
- How do you build links, and what do you avoid?
- What is the minimum contract, and how do I exit?
- How do you approach AI search visibility?
How to Verify Reviews
Check Google Business Profile, Clutch, Trustpilot and LinkedIn. Look for detailed reviews spread over time, and call two references. When you add reviews to this guide, record the source and the date checked, and never publish a rating you have not personally seen.
Frequently Asked Questions
Does a bigger team mean a better agency?
No. This list is ordered by tracked team size, which says nothing about results. Many strong agencies are small.
Why are creative and software companies on the list?
Matching works from company descriptions, so some firms sit next to SEO rather than being pure specialists.
How many SEO companies are in Australia?
One September 2026 dataset counts 860.
How long does SEO take to work?
Most businesses see movement within three to six months. Competitive terms often take a year or more.
Should I choose a local agency?
Local agencies understand Australian search behaviour, but skill and transparency matter more than location.
Is SEO worth it for a small business?
Often yes, especially for local services, provided you commit long enough for results to build.
What is AI search optimization?
Several agencies now market work aimed at AI-driven search. Ask how each measures it, because standards are still developing.
Can I do SEO myself?
Basics such as Google Business Profile and on-page content are manageable. Technical work and competitive link building usually need specialists.
Conclusion
Team size is a useful first filter, but fit determines success. Shortlist three companies, request an audit and references from each, compare proposals, and choose the one most transparent about what it will do and how it will report.
