Top telecom companies in Australia
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Telstra Group LIMITED | Australia | Melbourne | L 41 242 Exhibition St | Victoria | 3000 | telstra.***** | 2021 | $15,006,806,875 | 23,274 | Corporation | 302 | 650620303 |
| 2 | Singtel Optus PTY LIMITED | Australia | Sydney | 1 Lyonpark Rd | New South Wales | 2113 | welcome.***** | 1991 | $5,124,633,274 | 6,500 | Corporation | 3281 | 052833208 |
| 3 | Singapore Telecom Australia Investments PTY LIMITED | Australia | Sydney | L 4 1-7 Lyonpark Rd | New South Wales | 2113 | N/A | 2001 | $5,124,633,274 | 6,500 | Corporation | 3281 | 096686190 |
| 4 | Nbn CO LIMITED | Australia | Sydney | L 13 100 Mount St | New South Wales | 2060 | nbnco.***** | 2009 | $3,713,251,846 | 6,185 | Corporation | N/A | 136533741 |
| 5 | Allied Technologies Australia PTY LIMITED | Australia | Melbourne | Level 32 727 Collins Street | Victoria | 3008 | briks.***** | 1991 | $2,374,704,100 | 20,476 | Corporation | 839 | 052011631 |
| 6 | Spark New Zealand LIMITED | Australia | Sydney | L 23 680 George St | New South Wales | 2000 | N/A | 1990 | $2,236,437,850 | 4,043 | Foreign company | N/A | 050611277 |
| 7 | Service Stream LIMITED | Australia | Melbourne | L 5 655 Collins St | Victoria | 3008 | servicestream.***** | 1996 | $1,509,742,528 | 2,000 | Corporation | 29 | 072369870 |
| 8 | Voyage Australia Holdings PTY LIMITED | Australia | Melbourne | L 10 452 Flinders St | Victoria | 3000 | N/A | 2021 | $1,126,110,788 | 1,429 | Corporation | 74 | 648328803 |
| 9 | Aussie Broadband LIMITED | Australia | Morwell | 3 Electra Ave | Victoria | 3840 | aussiebroadband.***** | 2008 | $770,384,895 | 230 | Corporation | 29 | 132090192 |
| 10 | Optus Mobile PTY LIMITED | Australia | Sydney | 1 Lyonpark Rd | New South Wales | 2113 | optus.***** | 1991 | $753,837,500 | 6,500 | Corporation | 3281 | 054365696 |
| 11 | Vividwireless Group LTD | Australia | Sydney | Building C L 4 1-7 Lyonpark Rd | New South Wales | 2113 | vividwireless.***** | 1985 | $753,837,500 | 6,500 | Corporation | 3 | 008082737 |
| 12 | Optus Billing Services PTY LIMITED | Australia | Sydney | L 4 1-7 Lyonpark Rd | New South Wales | 2113 | optus.***** | 1999 | $753,837,500 | 6,500 | Corporation | 3281 | 088011536 |
| 13 | Alphawest Services PTY LTD | Australia | Perth | L 2 1260 Hay St | Western Australia | 6005 | alphawest.***** | 1986 | $753,837,500 | 6,500 | Corporation | 3281 | 009196347 |
| 14 | Optus Internet PTY LIMITED | Australia | Sydney | 1 Lyonpark Rd | New South Wales | 2113 | optus.***** | 1998 | $753,837,500 | 6,500 | Corporation | 3281 | 083164532 |
| 15 | Optus Fixed Infrastructure PTY LIMITED | Australia | Sydney | L 4 Building C 1-7 Lyonpark Rd | New South Wales | 2113 | optus.***** | 2000 | $753,837,500 | 6,500 | Corporation | 3281 | 092450783 |
| 16 | Optus Wholesale PTY LIMITED | Australia | Sydney | 1 Lyonpark Rd | New South Wales | 2113 | optus.***** | 2000 | $753,837,500 | 6,500 | Corporation | 3281 | 092227551 |
| 17 | Optus Networks PTY LIMITED | Australia | Sydney | Building C L 4 1-7 Lyonpark Rd | New South Wales | 2113 | optus.***** | 1981 | $753,837,500 | 6,500 | Corporation | 3281 | 008570330 |
| 18 | Optus Mobile Migrations PTY LIMITED | Australia | Sydney | Westfield Hurstville Park Rd | New South Wales | 2220 | N/A | 2000 | $753,837,500 | 6,500 | Corporation | 3281 | 092726442 |
| 19 | Optus Satellite Network PTY LIMITED | Australia | Sydney | 1 Lyonpark Rd | New South Wales | 2113 | optus.***** | 2000 | $753,837,500 | 6,500 | Corporation | 3281 | 091789945 |
| 20 | Optus Administration PTY LTD | Australia | Sydney | Building C L 4 1-7 Lyonpark Rd | New South Wales | 2113 | optus.***** | 1992 | $753,837,500 | 6,500 | Corporation | 3281 | 055136804 |
| 21 | Optus Adsl PTY LIMITED | Australia | Sydney | L 4 Building C 1-7 Lyonpark Rd | New South Wales | 2113 | optus.***** | 2009 | $753,837,500 | 6,500 | Corporation | 3281 | 138676356 |
| 22 | Reef Networks PTY LIMITED | Australia | Sydney | L4 1-7 Lyonpark Rd | New South Wales | 2113 | optus.***** | 1998 | $753,837,500 | 6,500 | Corporation | 3281 | 085525113 |
| 23 | Optus Systems PTY LIMITED | Australia | Sydney | L 4 Building C 1-7 Lyonpark Rd | New South Wales | 2113 | optus.***** | 1992 | $753,837,500 | 6,500 | Corporation | 3281 | 056541167 |
| 24 | Optus Finance PTY LIMITED | Australia | Sydney | 1 Lyonpark Rd | New South Wales | 2113 | optus.***** | 1999 | $753,837,500 | 6,500 | Corporation | 3281 | 086656162 |
| 25 | Optus Data Centres PTY LIMITED | Australia | Sydney | L 4 1-7 Lyonpark Rd | New South Wales | 2113 | optus.***** | 2001 | $753,837,500 | 6,500 | Corporation | 3281 | 095832134 |
Showing 25 of 6,761 companies
Request Free SampleTelecom companies in Australia by state
6,761 telecom companies across 8 Australian states and territories. Hover any state to see its share of the Australian telecom companies market.
Telecom companies in Australia by employee size
| Bracket | Companies | Share |
|---|---|---|
| 1-4 | 5,037 | |
| 5-9 | 895 | |
| 20-49 | 331 | |
| 0 or Unknown | 181 | |
| 10-19 | 143 | |
| 1.000-4.999 | 58 | |
| 50-99 | 42 | |
| 100-199 | 30 | |
| 200-499 | 23 | |
| 5.000-9.999 | 16 | |
| 500-999 | 3 | |
| 10.000+ | 2 |
Telecom companies in Australia by revenue
| Bracket | Companies | Share |
|---|---|---|
| 100.001 to 499.999 | 3,433 | |
| 1.000.000 to 4.999.999 | 1,282 | |
| 1 to 100.000 | 977 | |
| 500.000 to 999.999 | 727 | |
| 10.000.000 to 49.999.999 | 122 | |
| 5.000.000 to 9.999.999 | 76 | |
| 100.000.000 to 499.999.999 | 71 | |
| 0 or Unknown | 30 | |
| 500.000.000 to 999.999.999 | 20 | |
| 50.000.000 to 99.999.999 | 15 | |
| 1.000.000.000 or more | 8 |
ANZSIC and industry classification for Australian telecom companies
Australian telecom companies fall under SIC code 4813 (ANZSIC class 5801 in the Australian and New Zealand Standard Industrial Classification). The list above covers every active Australian company tagged with this code plus closely related codes, so the state and revenue breakdowns reflect the entire sector rather than a sample.
Closely related business services
Frequently asked questions about telecom companies in Australia
Our list tracks 6,761 active telecom companies across all eight Australian states and territories, sourced from ASIC and the Australian Business Register and verified monthly. The exact count changes as firms register, dissolve and merge.
The state with the most telecom companies is New South Wales, followed by Victoria, Queensland, Western Australia and South Australia. The full state breakdown above shows the share each Australian state holds.
Australian telecom companies are primarily covered by SIC code 4813 (ANZSIC 5801). The list above covers every active Australian company tagged with this code plus closely related codes. The platform link beside each result lets you filter by sub-code or by SIC division.
Yes. Apply your filters (state, size, revenue, etc.) on the platform, preview the result, then export the full filtered list as CSV or Excel. Larger exports are delivered by email link. Request a free sample first if you want to evaluate the data before you buy.
Every record includes the firm name, full business address, primary phone, business email (where available), website, ABN, employee size, revenue band, founding year and SIC / ANZSIC classification. Records are sourced from ASIC and the Australian Business Register and re-verified monthly.
Monthly. Each refresh removes firms that have dissolved and adds new registrations from the latest ASIC and ABR feeds. The "Last updated" line at the top of this page shows the most recent refresh date.
8 Australian states and territories have at least one active telecom companie in our list. The state with most telecom companies is New South Wales, followed by Victoria, Queensland, Western Australia and South Australia. Use the interactive state map above to compare any two states by share of the Australian telecom companies market.






















































