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AUB / One Underwriting

Under assessment · Notification · Phase 1 · day 3, due 4 Dec 2026

Financial Services & InsuranceMN-55042ACCC register

Austagencies Pty Ltd, a subsidiary of AUB Group Limited, proposes to acquire 100% of the shares in One Underwriting Pty Ltd from Aon Holdings Australia Pty Ltd. This transaction involves an ASX200 global insurance intermediary group acquiring an Australian insurance underwriting agency distributing commercial products to retail brokers nationally.

Timeline

  1. 23 Oct 2026Filed with the ACCC
  2. 4 Dec 2026Decision due

Acquisition details

Austagencies Pty Ltd, a wholly owned subsidiary of AUB Group Limited ( AUB ), proposes to acquire 100% of the shares in One Underwriting Pty Ltd ( One Underwriting ) from Aon Holdings Australia Pty Ltd. AUB is an ASX200 global insurance intermediary group with a portfolio spanning underwriting agencies, general and specialist retail brokers, authorised representative and broking networks, wholesale brokers, insurance technology platforms, and specialist claims and loss adjustment services. One Underwriting is an indirectly wholly owned subsidiary of Aon Corporation Australia Limited and is an Australian insurance underwriting agency that designs, distributes and manages commercial insurance products under delegated authority for multiple insurers. One Underwriting distributes insurance solutions to retail brokers nationally, with products placed across domestic and international insurance markets across a range of commercial lines.

Parties

Acquirer
AUSTAGENCIES PTY LTD ABN - 76 006 090 464
Target
ONE UNDERWRITING PTY LTD ABN - 50 006 767 540, AON HOLDINGS AUSTRALIA PTY LIMITED ABN - 33 000 435 218
Other parties
AUB GROUP LIMITED ABN - 60 000 000 715
ANZSIC
  • 6420 Auxiliary Insurance Services

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