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Market Concentration in Australian Insurance: A Double-Edged Sword

Evaluating the Impact of Limited Competition on Consumers and Tradies

Market Concentration in Australian Insurance: A Double-Edged Sword?w=400

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Australia's general insurance market is notably concentrated, with four major companies-Insurance Australia Group (IAG), Suncorp, QBE, and Allianz-controlling approximately 74% of the market.
This dominance has sparked discussions about the potential implications for competition and consumer outcomes.

The Australian Competition and Consumer Commission (ACCC) has observed that, despite initiatives like the government's cyclone reinsurance pool aimed at encouraging new entrants, no new insurers have entered high-risk markets since the pool's introduction. This stagnation suggests that existing barriers to entry remain formidable, potentially limiting consumer choice and competitive pricing.

In concentrated markets, the incentive to offer competitive pricing diminishes. The ACCC's findings indicate that premiums have risen by 51% over five years, with limited appetite from existing insurers to expand their exposure in high-risk areas. This trend raises concerns about affordability and accessibility of insurance products for consumers, including tradies who rely on comprehensive coverage to protect their businesses.

For tradies, the implications are significant. Limited competition can lead to higher premiums and fewer tailored insurance options, making it challenging to find coverage that aligns with specific business needs and budgets. Additionally, the practice of price optimisation-where insurers adjust premiums based on a customer's likelihood to shop around-can result in loyal customers facing higher costs.

To navigate this landscape, tradies should:

  • Regularly compare insurance offerings from multiple providers to ensure they receive the best value.
  • Engage with industry associations to advocate for greater transparency and competition within the insurance market.
  • Stay informed about regulatory developments and support initiatives aimed at increasing market competition.

While the scale of dominant insurers can offer certain efficiencies, it is crucial for the industry and regulators to balance these benefits with the need for a competitive market that serves the diverse needs of Australian consumers, including the vital tradie community.

Published:Tuesday, 21st Apr 2026
Author: Paige Estritori

Please Note: We do not endorse any specific products or companies. Some content is sourced from third parties, including press releases, and may not be independently verified for accuracy or completeness.

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Knowledgebase
Insurance broker:
An agent acting on behalf of the insured (not the insurance company) who negotiates the terms and cover provided by the insurer in the insurance policy.