Company lists · Data refreshed September 2026

Top 24 Architectural conservation companies based in Australia

Name: Architectural conservation companies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 138 companies tracked

RevenueBase identified 138 architectural conservation companies headquartered in Australia as of September 2026 and tracks 802 professional contacts across them, including 371 with verified work emails. Sydney is the largest hub.

This list covers architectural conservation companies headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

138Companies

802Contacts tracked

371Verified emails

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The 24 largest architectural conservation companies based in Australia

Ranked by team size

Top 24 of 138 architectural conservation companies based in Australia, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to architectural conservation companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Extent Heritage	Indirect evidence	Pyrmont, AustraliaHQ checked Sep 30, 2026	51-200	94 contacts →
	Indirect evidence “Extent Heritage is a leader in heritage and archaeological consulting, providing heritage advice to Australia and the Asia Pacific region for more than two decades.” Source: RevenueBase Database · checked Sep 30, 2026
2	GML Heritage	Indirect evidence	Haymarket, AustraliaHQ checked Sep 30, 2026	51-200	66 contacts →
	Indirect evidence “GML Heritage is a leading Australian heritage consultancy with offices in Sydney, Melbourne and Canberra.” Source: RevenueBase Database · checked Sep 30, 2026
3	Lovell Chen	Indirect evidence	East Melbourne, AustraliaHQ checked Sep 30, 2026	11-50	27 contacts →
	Indirect evidence “The office of Lovell Chen is located on the lands of the Wurundjeri people.” Source: RevenueBase Database · checked Sep 30, 2026
4	Austral Archaeology PTY LTD	Indirect evidence	Yallah, AustraliaHQ checked Sep 30, 2026	11-50	26 contacts →
	Indirect evidence “Austral has over 30 years’ experience servicing central, southern and eastern Australia.” Source: RevenueBase Database · checked Sep 30, 2026
5	Sinjen Group	Partial evidence	Richmond, AustraliaHQ checked Sep 30, 2026	51-200	24 contacts →
	Partial evidence “Sinjen is a premium architectural building company based in Richmond, Melbourne.” Source: RevenueBase Database · checked Sep 30, 2026
6	DR Vincent Clark Archaeology & Heritage PTY LTD	Indirect evidence	Coburg, AustraliaHQ checked Sep 30, 2026	11-50	23 contacts →
	Indirect evidence “Dr Vincent Clark Archaeology & Heritage is a leading and respected cultural heritage management consulting firm based in Victoria, Australia Our highly qualified team provides…” Source: RevenueBase Database · checked Sep 30, 2026
7	Mattioli	Indirect evidence	Mount Waverley, AustraliaHQ checked Sep 30, 2026	51-200	23 contacts →
	Indirect evidence “Empowering Asset Integrity Across Industries For over five decades, Mattioli has been at the forefront of asset preservation and rehabilitation, transforming how physical assets…” Source: RevenueBase Database · checked Sep 30, 2026
8	Conservation Studio	Strong evidence	Melbourne, AustraliaHQ checked Sep 30, 2026	1-10	16 contacts →
	Strong evidence “Conservation Studio provides a considered project-based conservation and architectural approach, delivering high-quality outcomes aligned with the principles of The Burra Charter.” Source: RevenueBase Database · checked Sep 30, 2026
9	Abode Restoration	Partial evidence	North Melbourne, AustraliaHQ checked Sep 30, 2026	11-50	14 contacts →
	Partial evidence “Abode Restoration is a boutique heritage building company dedicated to preserving the architectural heritage of Melbourne.” Source: RevenueBase Database · checked Sep 30, 2026
10	Jaws Architects	Indirect evidence	Battery Point, AustraliaHQ checked Sep 30, 2026	11-50	13 contacts →
	Indirect evidence “EXPERIENCE CREATIVE QUALITY JAWS Architects is lutruwita / Tasmania’s most dynamic team of architects and designers.” Source: RevenueBase Database · checked Sep 30, 2026
11	RJC Group	Indirect evidence	Banksmeadow, AustraliaHQ checked Sep 30, 2026	11-50	12 contacts →
	Indirect evidence “As leaders in stonemasonry and heritage restoration, RJC Group provide the likes of Tier 1 Builders, Heritage Consultants and Government Projects with the expertise and experience…” Source: RevenueBase Database · checked Sep 30, 2026
12	Australian Heritage Specialists PTY LTD	Indirect evidence	Brisbane City, AustraliaHQ checked Sep 30, 2026	11-50	12 contacts →
	Indirect evidence “Australian Heritage Specialists are an expert team of heritage consultants with a track record of providing practical, strategic and cost-effective advice throughout Australia and…” Source: RevenueBase Database · checked Sep 30, 2026
13	MCA Architects	Indirect evidence	North Sydney, AustraliaHQ checked Sep 30, 2026	1-10	10 contacts →
	Indirect evidence “MCA Architects is a well-established practice based in Sydney with an excellent track record in construction across a range of sectors including - RESIDENTIAL - standalone…” Source: RevenueBase Database · checked Sep 30, 2026
14	Ochre Imprints	Indirect evidence	Clifton Hill, AustraliaHQ checked Sep 30, 2026	11-50	10 contacts →
	Indirect evidence “Ochre Imprints is a team of archaeologists and cultural heritage advisors who provide expert advice to both public and private sector clients in south-east Australia through…” Source: RevenueBase Database · checked Sep 30, 2026
15	Hosking Willis Architecture	Partial evidence	Adelaide, AustraliaHQ checked Sep 30, 2026	1-10	9 contacts →
	Partial evidence “Founded in 2013, Hosking Willis Architecture is a dedicated, passionate and creative team of professionals specialising in design and heritage related projects.” Source: RevenueBase Database · checked Sep 30, 2026
16	Converge Heritage Community	Indirect evidence	Brisbane, AustraliaHQ checked Sep 30, 2026	11-50	9 contacts →
	Indirect evidence “Converge, is one of Queensland's oldest and most experienced cultural heritage consultancies, with offices strategically located throughout the State.” Source: RevenueBase Database · checked Sep 30, 2026
17	RBA Architects And Conservation Consultants	Partial evidence	St.kilda, AustraliaHQ checked Sep 30, 2026	11-50	8 contacts →
	Partial evidence “Since establishment in 1994, RBA Architects + Conservation Consultants have accumulated extensive project experience in both the private and public sectors.” Source: RevenueBase Database · checked Sep 30, 2026
18	Bryce Raworth PTY LTD	Indirect evidence	South Melbourne, AustraliaHQ checked Sep 30, 2026	1-10	8 contacts →
	Indirect evidence “Bryce Raworth Pty Ltd provides a team of experienced heritage professionals and support staff.” Source: RevenueBase Database · checked Sep 30, 2026
19	Heritage 21	Indirect evidence	Alexandria, AustraliaHQ checked Sep 30, 2026	11-50	8 contacts →
	Indirect evidence “Heritage 21 is a team of cultural built heritage specialists.” Source: RevenueBase Database · checked Sep 30, 2026
20	Lucas Stapleton Johnson & Partners	Indirect evidence	Sydney, AustraliaHQ checked Sep 30, 2026	11-50	8 contacts →
	Indirect evidence “Lucas Stapleton Johnson & Partners Pty Ltd is a firm of Sydney-based architects who specialise in restoring, adapting, and adding to historic buildings, as well as heritage…” Source: RevenueBase Database · checked Sep 30, 2026
21	Hector Abrahams Architects	Partial evidence	Sydney, AustraliaHQ checked Sep 30, 2026	1-10	7 contacts →
	Partial evidence “Hector Abrahams Architects (HAA) is a Sydney based architectural practice specialising in heritage, master planning and adaptive re-use.” Source: RevenueBase Database · checked Sep 30, 2026
22	BB Architects	Partial evidence	Adelaide, AustraliaHQ checked Sep 30, 2026	1-10	7 contacts →
	Partial evidence “BB Architects are a specialist conservation practice based in the west end of Adelaide, South Australia.” Source: RevenueBase Database · checked Sep 30, 2026
23	GBA Heritage	Indirect evidence	Sydney, AustraliaHQ checked Sep 30, 2026	1-10	6 contacts →
	Indirect evidence “GBA Heritage, formerly Graham Brooks and Associates, is widely recognised both nationally and internationally for our unique combination of professional consulting services in…” Source: RevenueBase Database · checked Sep 30, 2026
24	GJM Heritage	Partial evidence	Melbourne, AustraliaHQ checked Sep 30, 2026	1-10	5 contacts →
	Partial evidence “GJM Heritage is a highly experienced historic heritage practice based in Melbourne with a dedicated team that brings together skills in architecture, urban planning and history.” Source: RevenueBase Database · checked Sep 30, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: architectural conservation companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names architectural conservation companies.
Partial evidence: Its own public description names part of architectural conservation companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name architectural conservation companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 24 of 138 architectural conservation companies based in Australia

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Architectural conservation companies based in Australia at a glance

As of Sep 30, 2026

46.3%Verified-email coverage

5.8Average contacts per company

1-10Median size (employees)

10.1%Largest-city concentration · Sydney

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 138 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among architectural conservation companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Australia whose own description of what they do matches “architectural conservation companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names architectural conservation companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among architectural conservation companies, and records with no verified work email. Companies headquartered outside Australia are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 371 across the full list. 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 September 30, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names architectural conservation companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many architectural conservation companies are there based in Australia?

RevenueBase identified 138 architectural conservation companies headquartered in Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Extent Heritage, headquartered in Pyrmont, tops this list with the largest team on record.

Which city has the most architectural conservation companies?

Sydney leads with 14 headquartered companies, followed by Melbourne (6) and Adelaide (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 371 verified decision-maker contacts tracked across these 138 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 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 Smart Search, 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.