Company lists · Data verified August 2026

Top 25 Business process consulting firms based in Australia

Name: Business process consulting firms based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,687 companies tracked

There are 1,687 business process consulting firms headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 10,861 professional contacts across them, including 3,756 with verified work emails and 913 with mobile numbers. Sydney is the largest hub.

This list covers business process consulting firms headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

1,687Companies

10,861Contacts tracked

3,756Verified emails

913Mobile numbers

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The 25 largest business process consulting firms based in Australia

Ranked by team size

Top 25 of 1,687 business process consulting firms based in Australia, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Nihilent	South Melbourne	1,001-5,000	1,722	575
2	Lemongrass	Melbourne	501-1,000	499	347
3	Valenta	Melbourne	501-1,000	468	151
4	Offshore Business Processing	Melbourne	501-1,000	404	41
5	Finity	Melbourne	201-500	253	214
6	Protiviti Australia	Sydney	5,001-10,000	172	39
7	Programmed Professionals	Sydney	51-200	172	26
8	Systemsgo	Sydney	51-200	112	49
9	Fair Consulting Group	Melbourne	51-200	111	63
10	Sensei	Brisbane City	51-200	95	72
11	Xenco Services	Brisbane City	51-200	83	61
12	Visagio Australia	Sydney	51-200	83	37
13	Maugle Data Processing Center PTY LTD	Salamander Bay	201-500	63	17
14	Leonardo	Brisbane City	51-200	59	39
15	Business Analysis Bapl	Brisbane	51-200	57	24
16	Stepchange	Perth	51-200	43	8
17	E&e Solutions	Sydney	51-200	41	32
18	SMC	North Sydney	51-200	40	30
19	Vertex Consulting & Compliance Group	Melbourne	51-200	36	16
20	Rubicon 8	Mont Albert	51-200	34	19
21	Eserve Consulting	City	51-200	24	6
22	Oc&c Strategy Consultants Australia	Melbourne	501-1,000	21	13
23	Ariston Partners	Chatswood	51-200	21	6
24	Castalia Group	Burwood	1,001-5,000	20	13
25	Ecleva	Melbourne	51-200	20	10

Showing 25 of 1,687 business process consulting firms based in Australia

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Business process consulting firms based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 337 HQs

913Contacts with mobile numbers

21Emails re-verified in last 30 days

Companies by employee count

1-10

1,367

11-50

254

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Business process consulting firms by metro

Metro	Companies
Business process consulting firms in Sydney	337
Business process consulting firms in Melbourne	317
Business process consulting firms in Brisbane	180
Business process consulting firms in Perth	117
Business process consulting firms in Adelaide	49
Business process consulting firms in Canberra	26
Business process consulting firms in Brisbane City	20

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “business process consulting firms”, with match quality audited by blind human judging, and headquartered in Australia.
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: Contact records re-verify on a rolling cadence; 21 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many business process consulting firms are there based in Australia?

There are 1,687 business process consulting firms headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Nihilent, headquartered in South Melbourne, tops this list with the largest team on record.

Which city has the most business process consulting firms?

Sydney leads with 337 headquartered companies, followed by Melbourne (317) and Brisbane (180).

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 3,756 verified decision-maker contacts tracked across these 1,687 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.