Ziron

What Ziron does

Ziron is a wholesale telecommunications provider headquartered in Bicester, United Kingdom. Founded in 2011 and operating with 1-10 employees, the company positions itself as a wholesale carrier powering next-generation voice, messaging, and mobile services worldwide. The company's publicly available description emphasises its role as a wholesale layer enabling downstream communications services.

The business is closely aligned with Nebula Cloud Limited, a proprietary communications software platform operating in the UK market. Nebula delivers unified communications through a 100% proprietary technology platform marketed under three sub-brands: CallSwitch One (targeting UK managed service providers), Yay.com (targeting UK small and medium businesses), and PBX Hosting (targeting complex multi-site organisations). The platform enables partners to activate software "in seconds" and is described by the company as fueling "award-winning communication solutions purpose-built for reseller markets and customer requirements."

Revenue is generated through subscription-based software delivered via Nebula's platform brands, sold primarily through channel partners (UK managed service providers) and directly to UK businesses. The company maintains a digital-first marketing presence across LinkedIn, X, Instagram, and Facebook. No specific pricing tiers, revenue figures, capital structure details, AI capabilities, regulatory certifications, or API/SDK offerings are publicly disclosed in the available source materials. The company operates as a private limited entity with wholly-owned subsidiaries for each of the three sub-brands.

Name

Ziron

Legal name

Nebula Cloud Limited

Website

https://ziron.com

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

1–10 employees

Short description

Ziron is a UK-based wholesale telecommunications provider that powers voice, messaging, and mobile services, operating alongside Nebula Cloud Limited's proprietary communications software platform serving UK managed service providers and businesses through three sub-brands.

Ownership category

akta.pro rank

Product category

Cloud Communications / Unified Communications Software

NAICS

Software Publishers (51321), Software Publishers (5132)

SIC

Services-Telephone Interconnect Systems (7385)

akta.pro primary industry

Mobile Virtual Network Enablers & Full MVNO Operators (HDAIAAAC)

Keywords

• Wholesale telecommunications
• Cloud communications platform
• Unified communications software
• Hosted VoIP services
• Business messaging solutions

Headquarters

HQ city

Bicester

HQ country

United Kingdom

HQ region

Europe

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Software Platform Subscriptions: Nebula generates revenue through subscription-based software delivered via its platform brands (CallSwitch One, Yay.com, PBX Hosting), sold through channel partners and directly to UK businesses.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Ziron is a wholesale telecommunications provider that powers next-generation voice, messaging, and mobile services worldwide through its proprietary Nebula cloud communications software platform. The platform is delivered via three software brands (CallSwitch One, Yay.com, PBX Hosting) and distributed primarily through a network of UK managed service providers who resell the software to end customers. Software can be activated in seconds, enabling partners to deploy scalable, customised communications solutions without building in-house infrastructure.

Product overview

Nebula is a unified communications software platform that delivers seamless, secure, and adaptable workplace communications. The platform operates through three distinct software brands: CallSwitch One (a channel-focused communications platform for managed service providers), Yay.com (communications cloud software for small and medium UK businesses), and PBX Hosting (cloud-based voice solutions for multi-site organisations). These products share the same proprietary underlying technology platform and can be activated quickly through the Nebula reseller partnership model.

Differentiator

Problem solved

Functional benefit

Brands

• CallSwitch One: The channel-focused communications platform trusted by the UK's best managed service providers.
• Yay.com
• PBX Hosting

Products and services

• CallSwitch One A channel-focused, cloud-based communications platform designed for managed service providers in the UK. Partners use it to resell and deploy Nebula's proprietary communications software to their end customers with rapid, seconds-level activation.
• Yay.com A complete communications cloud software platform for small and medium sized UK businesses, providing voice, messaging, and unified communications functionality for day-to-day business operations.
• PBX Hosting A cloud-based hosted PBX voice solution targeted at complex multi-site organisations nationwide, providing scalable telephony infrastructure across distributed locations.

Segments2 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• Managed Service Providers (UK)coreChannel Partner/ Reseller/ DistributorNebula operates with a channel partnership model where UK managed service providers resell and deploy Nebula's communications software brands (CallSwitch One, Yay.com, PBX Hosting) to their customers. Partners can simplify deployment of software and applications at scale with fully customised solutions.

Scale indicators1 record

Recent moves3 records

Expansion highlights3 records

Direct peers

• Gamma Communications: Gamma is a leading UK wholesale communications provider selling voice, connectivity, and UCaaS through a large channel partner network. It is directly comparable to Nebula in target market (UK), channel-led GTM, and unified communications focus, but operates at significantly greater scale.
• TelcoSwitch: TelcoSwitch is a UK-based communications software platform offering UCaaS, PBX, and wholesale voice services to resellers and operators. It competes head-to-head with Nebula in the UK reseller/MSP channel with a proprietary platform.
• VoIPfone: VoIPfone is a UK-focused VoIP and cloud PBX provider serving small and medium businesses. It overlaps with Nebula's Yay.com and PBX Hosting brands on SMB and multi-site voice customers in the UK.
• Wavenet: Wavenet is a UK communications and technology provider delivering cloud voice, UCaaS, and connectivity to businesses and partners. It is comparable to Nebula in geographic focus, target customer base, and channel-led model.

Broad incumbents

• RingCentral: RingCentral is a global UCaaS incumbent offering cloud communications, contact center, and messaging across all business segments. While it operates globally rather than UK-only, it competes with Nebula for the same underlying SMB and multi-site voice customers, often via UK partners.
• Vonage: Vonage (now part of Ericsson) provides cloud communications, UCaaS, and APIs globally, including the UK. It competes with Nebula at the platform level and offers partner programs targeting resellers and MSPs.
• Microsoft Teams Phone: Microsoft Teams Phone is an enterprise-grade UCaaS offering bundled with the broader Microsoft 365 ecosystem. It is a competitive incumbent in the UK SMB and enterprise voice market, often displacing standalone PBX and UCaaS vendors including Nebula.
• 8x8: 8x8 is a global cloud communications provider offering UCaaS and contact center services with a partner channel. It competes with Nebula for UK mid-market and enterprise communications customers and partners.

Regional players

• TalkTalk Business: TalkTalk Business is a UK-focused business connectivity and voice provider serving SMBs and channel partners. It overlaps with Nebula on UK voice and communications services, though with stronger emphasis on connectivity than UCaaS software.

Emerging players

• Wildix: Wildix is a European UCaaS vendor with a strong channel-first sales model targeting MSPs and integrators. It is comparable to Nebula in its partner-led GTM and unified communications focus, though Wildix is more internationally distributed.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/zironuk
• Facebookfacebook.com/zironuk
• LinkedInlinkedin.com/company/ziron
• Instagraminstagram.com/nebulacloudteam

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Ziron