Sydney, 59 providers listed on MSP Pie offer Business phone systems. Business phone systems cover VoIP and unified communications setup — moving a business off traditional phone lines onto cloud-based calling, often bundled with video and messaging. Worth knowing: buying a business phone system usually means comparing per-user monthly cost against a traditional line, plus whether video and messaging are bundled in.
Among this group in Sydney, the most common specialisms are Managed IT and helpdesk (26), Cyber security (23), Backup and disaster recovery (17), Business phone systems (16), Cloud and hosting (15). Between them, this group of providers in Sydney covers 56 distinct specialisms in total. The longest-established has operated since 1985; the newest, since 2025. Between them, they cover 34 different suburbs. 18 of the 59 have a physical office in Sydney; the rest reach it through their recorded service area. Among these 59, 33 run more than a single office nationally.