About us

Connecting software to communication networks

We enable businesses to deliver UCaaS and collaboration services. Our tech stack has everything you need to compete – and win – in today’s market.




voice minutes annually


on-net countries


on-net phone numbers


global network connections


years industry experience

Updated 4 December 2023

We're more than networks. We're Symbio.

Symbio began as a network but has become so much more.
We’re a complete solution for launching, scaling and managing communication services in the cloud.

Network control

We own our own high-performance IP voice network, enabling our customers to serve users in Australia, New Zealand and Singapore.

Flexible solutions

We provide modular capabilities – such as call termination, numbering and porting – as well as ready-to-sell products for telecom RSPs.

Trusted by global companies

We're the trusted backbone for over 500 customers, working with all levels of the service provider market. From local RSPs and UCaaS disruptors, through to software and telecom giants.

Symbio company timeline

  • Co-founders Rene Sugo and Andy Fung launch Symbio in Sydney Australia, predicting that VoIP will replace copper phone networks.
  • Symbio completes its Australian network, helping Skype and other VoIP pioneers to launch in Australia.
  • TNZI is acquired by Symbio, adding a suite of capabilities to power worldwide calling.
  • Symbio completes its New Zealand network. Symbio launches Unified Communication (UCaaS) services for Enterprise and Government.
  • Telcoinabox is acquired by Symbio, adding Telco-as-a-Service (TaaS) capabilities for telecom resellers and RSPs.
  • As the pandemic takes hold, the Symbio platform (CPaaS) helps customers rapidly shift phone services and phone numbers into the cloud.
  • Symbio completes its Singapore network. TNZI becomes Symbio creating a unified business as we expand across Asia Pacific.
  • Symbio launches the Malaysia network and South-East Asia (SEA) Hub
  • Symbio becomes part of Aussie Broadband Group (ASX:ABB), with continued focus on delivering growth in APAC.

Symbio is part of the Aussie Broadband Group, a fast-growing technology services provider, with a market cap of over $1 billion (AUD) and listed on the Australian Stock Exchange (ASX: ABB).

Symbio provides SaaS capabilities for all levels of the service provider market, as well as government and enterprise. We provide the APAC backbone for 80% of the Gartner UCaaS Magic Quadrant. ¹

¹ Correct as of December 2020

APAC coverage. Unlimited possibilities.

The world’s leading UCaaS, CPaaS and emerging RSPs rely on us to drive their Asia-Pacific growth.

Global offices


Level 3, 580 George Street
Sydney NSW 2000

New zealand

Level 5, 42-52 Willis Street,


80 Raffles Place
#32-01 UOB Plaza
Singapore 048624


201 Borough High Street
London SE1 1JA
United Kingdom

Let's win bigger. Together.

Discover how your business can compete, and win in today's market.

Contact Sales