Company lists · Data verified August 2026

Top 25 Custom software development agencies based in Australia

Name: Custom software development agencies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,255 companies tracked

There are 1,255 custom software development agencies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 15,402 professional contacts across them, including 4,440 with verified work emails and 1,983 with mobile numbers. Sydney is the largest hub.

This list covers custom software development agencies 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.

1,255Companies

15,402Contacts tracked

4,440Verified emails

1,983Mobile numbers

Unlock all 1,255 companies Free account · no credit card · 2 minutes

The 25 largest custom software development agencies based in Australia

Ranked by team size

Top 25 of 1,255 custom software development agencies 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	Epicor	Melbourne	1,001-5,000	5,868	2,554
2	Shaligram Infotech	Brisbane City	201-500	294	29
3	EB Pearls	Surry Hills	201-500	225	29
4	Rushkar Technology Pvt. Ltd.	Highton	51-200	165	2
5	Flexisource IT	Melbourne	201-500	148	45
6	Accubits Technologies INC	Melbourne	501-1,000	128	11
7	Hashlogics	Brooklyn	51-200	106	6
8	Aspire Softserv	Mount Waverley	51-200	105	42
9	Eastgate Software	Sydney	51-200	105	16
10	Green Global IT Solutions Consulting	Wollongong	51-200	104	1
11	Webbrains Technologies Private LTD	Sydney	51-200	96	2
12	ITC Group	n/a	201-500	86	2
13	Oneit PTY LTD	Subiaco	51-200	85	4
14	Asterdio INC	Sydney	51-200	72	37
15	23 Digital	Baulkham Hills	51-200	69	40
16	Fenwick	Brisbane	51-200	66	55
17	Acropolis	Mullumbimby	51-200	64	3
18	Appello	Adelaide	51-200	55	13
19	GTS Infosoft	Sydney	51-200	49	21
20	Saberion	Hughesdale	51-200	49	6
21	Eritheia Labs	Sydney	51-200	48	3
22	Kuchoriya Techsoft	Sydney	201-500	45	1
23	Technogetic Pvt. LTD	Sydney	51-200	44	11
24	Paragyte Technologies	Sydney	51-200	34	1
25	Synotive Technologies	Melbourne	51-200	33	23

Showing 25 of 1,255 custom software development agencies based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 4,440 reachable decision-makers.

Free account · no credit card

See all 1,255 companies

Custom software development agencies based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 231 HQs

1,983Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

702

11-50

440

51-200

201-500

501-1,000

1,001-5,000

10001+

Custom software development agencies by metro

Metro	Companies
Custom software development agencies in Sydney	231
Custom software development agencies in Melbourne	212
Custom software development agencies in Brisbane	79
Custom software development agencies in Adelaide	52
Custom software development agencies in Perth	44
Custom software development agencies in Gold Coast	15
Custom software development agencies in Parramatta	13

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 “custom software development agencies”, 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; 7 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 custom software development agencies are there based in Australia?

There are 1,255 custom software development agencies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most custom software development agencies?

Sydney leads with 231 headquartered companies, followed by Melbourne (212) and Brisbane (79).

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 4,440 verified decision-maker contacts tracked across these 1,255 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.

Ready to reach these companies? Verified emails and direct dials for all 1,255 custom software development agencies based in Australia. Start with a free account, no credit card.

Get the full list

Related lists

Custom software development agencies by geography

Browse the directory

Browse: Companies home · All Australia lists · All Custom software development agencies lists · New lists

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.