Jordan spent a decade running paid media campaigns for a Melbourne retail brand, the kind of person who could look at a set of ad metrics and know instinctively what to change. When the marketing team was restructured around a suite of AI campaign optimisation tools that promised to write, test, and adjust ad creative automatically, Jordan’s role was one of four cut in a single afternoon. What the tools couldn’t do was sit with a nervous small business owner who had never run an ad in her life, understand what actually made her business special, and build a campaign strategy around the story only a human could tell. AI can generate endless ad variations, but it still can’t read a room, understand a brand’s soul, or explain to a client in plain language why a campaign is or isn’t working.

That’s the opening for displaced marketers: small and medium Australian businesses desperately need marketing help but can’t afford (or don’t trust) a big agency, and they especially don’t trust an AI tool they don’t understand. This guide covers what it takes to start a marketing agency from scratch, realistic costs, and how to land your first clients without an existing client book.

What Does It Take to Start a Marketing Agency?

There’s no licensing body for marketing agencies in Australia, so your credibility rests on demonstrable skills and results rather than a credential. That said, formal qualifications or certifications can help open doors, particularly with less marketing-savvy clients — Google Ads and Google Analytics certifications, Meta Blueprint certification, HubSpot or similar platform certifications, and any formal marketing or communications qualification all add credibility. Far more important is a genuine track record: campaigns you’ve run, results you’ve delivered, and a portfolio you can show, even if it’s from your employed career rather than agency work.

Temperamentally, agency work demands the ability to manage multiple client relationships and deadlines simultaneously, comfort with client expectations that sometimes outstrip what’s realistically achievable, and strong commercial instincts, since you’ll need to price services profitably while staying competitive. You’ll also need at least a working understanding of the full marketing stack you plan to offer — SEO, paid ads, social media, content, email — or a clear plan to subcontract the parts outside your expertise.

It’s also worth being honest with yourself early about whether you want to build a genuine agency — with staff, subcontractors, and a growing roster of retainer clients — or a lean, one-person consultancy that stays deliberately small. Both are viable businesses, but they require very different pricing models, systems, and time management, and trying to run a one-person operation as if it were a five-person agency is a common source of early burnout.

Setting Up the Business

Register your ABN through the Australian Business Register, and choose a business structure — most agencies start as sole traders or simple companies, moving to a company structure fairly quickly if they plan to hire staff, take on contractors, or want to limit personal liability given the size of ad spend they might be managing on behalf of clients. There’s no specific licence required to operate a marketing agency, but if you’re managing client ad spend directly, get very clear written agreements around who holds the ad accounts, how spend is authorised, and how you’re compensated (retainer, percentage of spend, or project fee).

Professional indemnity insurance is worth having even without a legal requirement, since a client could claim a campaign mistake cost them money. Public liability insurance is useful if you ever run in-person workshops or events for clients. It’s also smart to formalise a standard client services agreement, covering scope, payment terms, ad account ownership, and intellectual property rights over creative work — get a solicitor to review your template once, and reuse it for every client.

What It Costs to Get Started

A marketing agency is genuinely lean to start, especially if you’re a solo operator working from home initially. Costs typically include: professional indemnity insurance ($700–$2,000 a year), core software subscriptions — design tools like Canva Pro or Adobe Creative Cloud, a project management tool, and possibly an SEO or social media scheduling platform ($100–$400 a month), a professional website and portfolio showcasing past campaign results ($1,500–$5,000), any certifications you want to pursue (many, like Google’s, are free or low-cost), and a decent laptop and second monitor if needed ($1,500–$3,000). A realistic total start-up budget is $5,000 to $12,000, with the wide range depending mostly on how much you invest in your own branding and website versus building it yourself.

Finding Your First Customers

Your first clients are most likely to come from your existing network — former colleagues who’ve moved into small business roles, past clients or stakeholders from your employed career, and friends or family who run businesses. A strong Google Business Profile and local SEO matter, since “marketing agency [suburb]” and “social media management [suburb]” are commonly searched by small business owners. LinkedIn is a highly effective channel for B2B-style marketing services — share case studies, before-and-after results, and genuinely useful tips rather than generic content, and engage actively in local business groups. Referral partnerships with web designers, business coaches, accountants, and printers are valuable, since these professionals regularly meet business owners who need marketing help. Consider offering a small, clearly-scoped “marketing audit” as a low-commitment entry product — it lets prospective clients experience your expertise before committing to an ongoing retainer, and it’s a strong lead generator when promoted through your network and LinkedIn.

Common Mistakes First-Time Owners Make

  • Trying to offer every marketing service to every type of client instead of specialising in a niche or channel, which makes it much harder to stand out and to price confidently.
  • Underpricing retainers to win clients quickly, then finding the account unprofitable once the real time investment becomes clear.
  • Not setting clear reporting expectations upfront, leaving clients unsure whether their investment is working and eroding trust over time.
  • Taking on ad spend management without crystal-clear written agreements on budget authorisation, which can create serious disputes if spend runs over or results disappoint.

Your First 90 Days

Weeks 1–2: register your ABN and structure, set up professional indemnity insurance, and build a simple portfolio website featuring case studies or results from your employed career (with permission where needed).

Weeks 3–4: reach out to your entire network explaining your new agency and the specific services you offer. Set up your Google Business Profile and start publishing on LinkedIn with genuinely useful, specific content.

Weeks 5–8: offer a low-commitment “marketing audit” or similar entry product to generate warm leads, follow up diligently on every referral, and land your first one or two clients, even at a discounted founding rate in exchange for a strong testimonial and case study.

Weeks 9–12: deliver excellent results for your first clients, actively request reviews and referrals, and use the real results to refine your service packages and pricing. By day 90, aim to have two to four paying clients, a small but genuine portfolio of results, and a clearer sense of which niche is converting best, along with a repeatable onboarding process that makes each new client relationship smoother than the last.

Still deciding what’s right for you? See how the numbers stack up for freelance graphic design business, web design business and virtual assistant business in our other guides.

Losing a marketing role to an AI optimisation tool can feel like proof that your skills are obsolete, but the truth is the opposite — small businesses need a real person who understands their story and can explain results in plain English more than ever. When you’re ready to build that agency, GrowOnline can help with the market research, website, and marketing systems to get your own business the visibility it deserves.