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How to choose an ecommerce marketing agency in Australia (2026 guide)

Growth3 October 20269 min readKritSite Studio
An Australian online store team reviewing ecommerce sales and ad performance dashboards

Australian ecommerce is competitive: shoppers compare prices across local stores, marketplaces and overseas brands in seconds. An ecommerce marketing agency should help you win profitable customers, not just spend more on ads. This guide explains what a good agency does, how they usually charge, and how to compare them before you sign.

01

What an ecommerce marketing agency should actually cover

Strong ecommerce marketing joins several channels: Google Shopping and Search, Meta and TikTok ads, email and SMS flows, SEO for category and product pages, and conversion rate optimisation on the store itself. An agency that only runs ads cannot fix a slow checkout or weak product pages.

Ask which channels they will own, which they will advise on, and who on your side is responsible for stock, pricing, product data and customer service.

02

Measure profit, not just ROAS

Return on ad spend can look healthy while the business loses money once product cost, shipping, returns and discounts are counted. Ask the agency to report contribution margin, new versus returning customers, customer acquisition cost and repeat purchase rate.

Make sure GA4, ad-platform conversions and your store data are set up and checked before scaling spend, so every decision rests on numbers you trust.

03

Common pricing models in Australia

Agencies usually charge a fixed monthly retainer, a percentage of ad spend, or a mix of both. Performance-only deals sound attractive but can push agencies toward discount-heavy tactics. A fixed retainer with clear deliverables is often easiest to manage.

Separate media spend from agency fees in the contract, and confirm minimum terms, notice periods and what happens to ad accounts if you part ways.

04

Local agency or remote team?

A local agency shares your time zone and market instincts. A remote team can bring senior specialists at a different cost base. Indian working hours overlap well with Australian afternoons, which gives a daily window for calls and approvals.

Whichever you choose, ask for relevant ecommerce results, the names of the people doing the work, and a 90-day plan before signing.

Key takeaways
  • Choose an agency that covers ads, email, SEO and the store experience together.
  • Judge results on profit and customer acquisition cost, not ROAS alone.
  • Keep media spend and agency fees separate in the contract.
  • Always keep ownership of your ad, analytics and store accounts.
  • Ask for a written 90-day plan before you commit.