Best Unified Communications as a Service (UCaaS) for Contractors

All Covered is a managed UCaaS service unifying Microsoft Teams and Webex with a 100% uptime SLA.

Editor's takeAll Covered is a managed service under Konica Minolta, backed by a financially guaranteed 100% uptime SLA. It unifies Microsoft Teams and Webex with white-glove onboarding and a US-based service desk answering in under a minute. Independent review volume stays thin though, since most UCaaS feedback centers on standalone competitors.

Vendor-neutral UCaaS broker offering free advisory and negotiated pricing across RingCentral, Vonage, and other platforms.

Editor's takeBrightlio works as a broker, not a software vendor, matching clients to platforms like RingCentral, Vonage, and Dialpad at no direct cost. Founder John Minnix built and sold VPLS Solutions before starting the company, giving the advisory a track record. G2 notes there are not enough reviews yet to independently verify buyer satisfaction.

Managed UCaaS platform combining voice, video and messaging with white-glove local support in Georgia.

Editor's takeLifeCycle Voice wraps standard UCaaS features in a heavily managed service model, not proprietary technology. Infinity Inc. has operated since 1999 and reports a 4.9-star Google rating with a 97+ CSAT score. Support stays local, but that also means on-site help only reaches the Southeast US.

Unified communications integrator combining Mitel-powered cloud voice with physical AV and cabling installation.

Editor's takeBCS bundles Mitel MiCloud voice and messaging with physical cabling, AV, and security hardware installation. Founded in 2001, it holds Inc. 5000 recognition for three straight years and Cisco Small Business Partner honors. Support runs 24/7 with a 2-hour response window for critical issues, though core features depend on outside software partners.

FedRAMP-authorized unified communications service under GSA's Enterprise Infrastructure Solutions contract for federal agencies.

Editor's takeUCaaS under GSA's EIS contract replaces fragmented legacy telephony with a single cloud interface for email, IM, voice, and video, delivered by major carriers like AT&T, Lumen, and Verizon under a $50 billion, 15-year contract vehicle. Every offering must meet FedRAMP and NIST cloud standards. The tradeoff is procurement complexity: UCaaS isn't a standard catalog item, so agencies negotiate custom Individual Case Basis pricing per task order, and industry case studies document real transition delays from legacy systems.

Regional UCaaS provider for government contractors, backed by SOC 2 Type II certification.

Editor's takeAdvantage Technology built its UCaaS platform around the compliance needs of government contractors, offering dedicated CMMC and FedRAMP support alongside standard voice, video, and messaging tools. It backs that with SOC 2 Type II certification and 20-plus years serving over 800 regional clients. Budgeting is the weak point. Third-party analysis flags occasional project budget overruns, and one reported billing dispute involved $1,400 in lost prepaid services after a merger.

A managed UCaaS provider wrapping Cisco Webex and Microsoft Teams with SD-WAN and security services.

Editor's takeCBTS does not build its own UCaaS platform; it wraps managed services, SD-WAN, and security around Cisco Webex and Microsoft Teams, claiming 30 to 60 percent savings versus standard Microsoft Calling Plans. Its Cisco Gold Integrator status and managed SOC with SIEM and SOAR back its case for regulated industries needing HIPAA or PCI-DSS support. Support quality took a hit after CBTS split from Altafiber in 2024, with customers reporting lost account managers and slow issue resolution.

A fully managed UCaaS provider combining Cisco Webex and Microsoft Teams with 24/7 NOC support and CMMC compliance.

Editor's takeMeriplex wraps established platforms like Cisco Webex and Microsoft Teams in managed services, backed by a 24/7 Network Operations Center and a public Trust Center covering SOC 2, CMMC, HIPAA, and PCI DSS compliance, appealing to regulated mid-market buyers who need more than software. It has grown quickly through acquiring smaller MSPs, but that growth has a documented cost: customer reviews describe service quality dropping sharply after an acquisition, including an eight-hour outage and an unassigned account manager. Contracts also permit annual price increases up to 5 percent and include administrative fees the company itself defines as internal cost recovery rather than government-mandated taxes.