Company lists · Data refreshed November 2026

Top 24 Excess and surplus lines insurers based in Australia

RevenueBase identified 160 company matches for excess and surplus lines insurers associated with Australia as of November 2026 and tracks 12,391 professional contacts across them, including 5,459 with verified work emails. Sydney is the largest hub.

This list covers company matches for excess and surplus lines insurers associated with Australia, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
160Companies
12,391Contacts tracked
5,459Verified emails
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The 24 largest excess and surplus lines insurers based in Australia

Ranked by team size
Top 24 of 160 company matches for excess and surplus lines insurers based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSydney, AustraliaHQ recorded Nov 6, 2026201-500189 contacts →

Exact match

“360 Underwriting Solutions is a specialist underwriting agency dedicated to the provision of specialist Insurance solutions for the Broker market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“Assetinsure is a specialist insurer in the Australian market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSydney, AustraliaHQ recorded Nov 6, 20261,001-5,00089 contacts →

Exact match

“Lumley Insurance has been operating in Australia for nearly 100 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 2026201-50084 contacts →

Exact match

“Only someone with deep insight can truly cater to the risks and needs of specialist industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMoorabbin, AustraliaHQ recorded Nov 6, 2026201-50064 contacts →

Exact match

“AB Phillips delivers insurance and risk minimisation solutions to businesses and individuals nation-wide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-20063 contacts →

Exact match

“We work with you to understand your business and personal goals, then we develop insurance and risk management programs to support them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSouth Brisbane, AustraliaHQ recorded Nov 6, 202651-20054 contacts →

Exact match

“Welcome to Aviso Broking Our team of specialists are here to do the hard yards and help you choose the right insurance solution to suit you, your business and your budget.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBrisbane City, AustraliaHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“Cornerstone Risk Group provides clear, practical insurance advice and solutions to clients across the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Since Axis Underwriting Services (Axis) has been transforming the way Australian insurance brokers access security for high hazard and hard to place risks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“For over 30 years, Midland Insurance Brokers has been successful in developing a wide range of bespoke insurance services for small to medium businesses - the result of excellence…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Epsilon is an Australian underwriting agency dedicated to providing a specialised service to brokers looking for expert and comprehensive solutions for their client’s insurance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“At DKG Insurance Brokers, we partner with you to design forward thinking insurance and risk solutions that reflect how your business operates today and where you are heading next.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Chase Underwriting Pty Ltd is an insurance company based out of Melbourne, Victoria, Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHampton East, AustraliaHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Founded in 1985, Consolidated Insurance Agencies (CIA) is a locally owned and operated insurance brokerage offering a wide range of products and services to just about all manner…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Established in 1982, Omnisure is a specialist insurance brokerage and risk advisory firm delivering comprehensive, technically informed insurance solutions for individuals, SMEs…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWollongong, AustraliaHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Austbrokers City State, Commercial Insurance Brokers, have over 30 years industry experience and are located in Wollongong, Macarthur & Nowra.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMiranda, AustraliaHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Austbrokers SPT is a full-service insurance broker proudly servicing the needs of clients since 1975.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Emjay is one of Australia’s most respected privately and fully family owned insurance brokers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“We believe that businesses should have access to insurance solutions that are as individual as they are.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchStrathpine, AustraliaHQ recorded Nov 6, 20261-1019 contacts →

Exact match

“Insurance Broker representatives, Insurance Web, work for you to provide value & the right solutions for your business insurance needs and/or personal insurances.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLinden Park, AustraliaHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Webber Insurance Services has grown into a leading specialist insurance brokerage with a clear focus: delivering expert insurance solutions for clients operating in complex and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Welcome to JMD Ross: providing excellence in insurance since 1979 JMD Ross is a specialist provider of corporate, commercial and private client insurance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMelbourne, AustraliaHQ recorded Nov 6, 20261-1016 contacts →

Exact match

“About Underwriting is a specialist underwriting agency that provides tailored products and solutions for the financial lines, liability and property classes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBrisbane, AustraliaHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Business Insurance Specialists Pty Ltd is an insurance broker providing insurance solutions and risk management advice to individuals, small and corporate business organisations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 24 of 160 excess and surplus lines insurers based in Australia

See the full list, filter by size, metro and specialty, and access 5,459 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Excess and surplus lines insurers based in Australia at a glance

As of Nov 6, 2026
44.1%Verified-email coverage
77.4Average contacts per company
1-10Median size (employees)
16.9%Largest-city concentration · Sydney
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
100
11-50
46
51-200
6
201-500
3
501-1,000
1
1,001-5,000
1
10001+
1

Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 160 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Australia whose business descriptions match “excess and surplus lines insurers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 5,459 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Excess and surplus lines insurers by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “excess and surplus lines insurers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many excess and surplus lines insurers are there based in Australia?

RevenueBase identified 160 company matches for excess and surplus lines insurers associated with Australia as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

360 Underwriting Solutions PTY LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most excess and surplus lines insurers?

Sydney leads with 27 company records, followed by Melbourne (16) and Brisbane (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,459 professional contacts with verified work emails tracked across these 160 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.