Company lists · Data refreshed September 2026
Top 25 Professional services outsourcing companies based in Australia
RevenueBase identified 246 professional services outsourcing companies headquartered in Australia as of September 2026 and tracks 8,663 professional contacts across them, including 1,350 with verified work emails. Sydney is the largest hub.
This list covers professional services outsourcing 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 29, 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.
The 25 largest professional services outsourcing companies based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,912 contacts → | ||||
Indirect evidence “Don’t wait until understaffing eats away at your productivity and client satisfaction.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 404 contacts → | ||||
Indirect evidence “We are OBP.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 354 contacts → | ||||
Indirect evidence “Our founders have been where you are – under pressure to deliver efficiencies and remain competitive.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 349 contacts → | ||||
Partial evidence “hammerjack is an Australian and Philippine-owned offshore outsourcing and Knowledge Process Outsourcing (KPO) provider.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 304 contacts → | ||||
Strong evidence “DBA is a premium professional services outsourcing company based in Australia and the Philippines.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 215 contacts → | ||||
Indirect evidence “Dijital Team partners with ambitious IT companies to enable them to reduce costs and scale with the right skills.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 200 contacts → | ||||
Indirect evidence “enablesGROUP commenced operations in 2016 with a simple premise that all clients, large or small, deserve a trusted, high-quality partner to help design and deliver their…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 196 contacts → | ||||
Partial evidence “Looking for a reliable outsourcing partner that can help your business grow?” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 76 contacts → | ||||
Indirect evidence “OrangeIQ is a one stop solution to all your accounting and back-office needs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 71 contacts → | ||||
Indirect evidence “When we took on the mission to help drive the success of the Australian Financial Services industry, we knew it would take something special.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 65 contacts → | ||||
Partial evidence “Founded on the idea of revolutionizing business operations with the best possible outsourcing systems for an inexpensive rate, Onehalf allows big businesses and even small…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 63 contacts → | ||||
Indirect evidence “Brisca is your trusted partner in outsourced finance and accounting solutions, empowering businesses and accounting firms worldwide to focus on growth and strategy rather than…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 62 contacts → | ||||
Partial evidence “Established in 2016, Tech Source Managed Services is an Outsourcing Company which not only works on major IT projects of other companies but also handles operational matters and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 61 contacts → | ||||
Indirect evidence “We help businesses reduce costs, boost efficiency, and scale faster, without the HR burden.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 53 contacts → | ||||
Indirect evidence “We are an Australian Owned and Managed BPO Company with Over 20 years’ experience until the Company decided to engage with Offshoring.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 51 contacts → | ||||
Partial evidence “The Outsource Pro (TOP) provides managed offshore professionals and technical support teams to Australian businesses.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 46 contacts → | ||||
Partial evidence “AFGS is an independent outsourcing company with Australian roots and operation centres in the Philippines and India.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 42 contacts → | ||||
Partial evidence “Strategic Business Alliance (SBA) is a leading provider of integrated outsourcing services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 36 contacts → | ||||
Partial evidence “Welcome to Taxoz Accountants, your premier outsourcing provider for accounting firms seeking technical excellence and reliability.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 31 contacts → | ||||
Indirect evidence “Lucent Advisory delivers a fully managed, outsourced business support function – spanning bookkeeping, accounting, tax, payroll, HR, and CFO and business advisory – operating as…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 29 contacts → | ||||
Partial evidence “Kwanii specialises in crafting customised outsourcing solutions to cater to the unique needs of small, medium, and large businesses.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 28 contacts → | ||||
Indirect evidence “Founded in 2018, Acura is a streamlined, low-overhead business support service.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 26 contacts → | ||||
Partial evidence “Outsourced Experts is a world-class outsourcing collective built by brokers for brokers and exclusively servicing clients’ needs within Australia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 26 contacts → | ||||
Partial evidence “Globalsync is a leading ISO certified Business Process Outsourcing service provider that caters to businesses around the world.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 25 contacts → | ||||
Indirect evidence “Thomas Peer Solutions is your exclusive, trusted partner in helping you deliver a successful result for your business.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: professional services outsourcing 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 professional services outsourcing companies.
- Partial evidence
- Its own public description names part of professional services outsourcing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name professional services outsourcing 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 25 of 246 professional services outsourcing companies based in Australia
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,350 reachable decision-makers.
Free signup · no credit card
Professional services outsourcing companies based in Australia at a glance
As of Sep 29, 2026Companies by employee count
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 246 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 professional services outsourcing 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 “professional services outsourcing 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 professional services outsourcing 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 professional services outsourcing 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, 1,350 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 29, 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.
Professional services outsourcing companies by metro
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 professional services outsourcing 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 professional services outsourcing companies are there based in Australia?
RevenueBase identified 246 professional services outsourcing 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?
TOA Global, headquartered in Southport, tops this list with the largest team on record.
Which city has the most professional services outsourcing companies?
Sydney leads with 52 headquartered companies, followed by Melbourne (39) and Brisbane (12).
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 1,350 verified decision-maker contacts tracked across these 246 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 246 professional services outsourcing companies based in Australia. Start with a free account, no credit card.
Download this list →Related lists
Professional services outsourcing companies by geography
- Professional services outsourcing companies based in Buenos Aires, Argentina
- Professional services outsourcing companies based in Melbourne, Australia
- Professional services outsourcing companies based in Sydney, Australia
- Professional services outsourcing companies based in Barueri, Brazil
- Professional services outsourcing companies based in Belo Horizonte, Brazil
- Professional services outsourcing companies based in Campinas, Brazil
- Professional services outsourcing companies based in Rio De Janeiro, Brazil
- Professional services outsourcing companies based in Sao Paulo, Brazil
- Professional services outsourcing companies based in Toronto, Canada
- Professional services outsourcing companies based in Santiago, Chile
- Professional services outsourcing companies based in Cairo, Egypt
- Professional services outsourcing companies based in Paris, France
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Professional services outsourcing companies based in Buenos Aires, Argentina
- Professional services outsourcing companies based in Melbourne, Australia
- Professional services outsourcing companies based in Sydney, Australia
- Professional services outsourcing companies based in Barueri, Brazil
- Professional services outsourcing companies based in Belo Horizonte, Brazil
- Professional services outsourcing companies based in Campinas, Brazil