TelcoSwitch
TelcoSwitch (now Nebula Cloud Ltd.) provides a cloud-native, white-label unified communications platform called CallSwitch One, sold exclusively through 700+ UK channel partners and MSPs serving 40,000+ end customers and 200,000+ users.
- Company typePrivate
- Founded2015
- HeadquartersLondon, United Kingdom
- Headcount101–250
- GTM typeB2B
- OfferingSoftware
What TelcoSwitch does
TelcoSwitch, now operating as Nebula Cloud Ltd. following a June 2022 management buyout backed by Queen's Park Equity, is a London-based provider of cloud-native unified communications (UC) and compliance solutions. Its flagship product, CallSwitch One, is a software-first communications platform built entirely in-house, with no shared open-source code, upcycled components, or legacy architecture. The platform is designed, developed, hosted, and supported in the UK and includes click-to-deploy voice services, drag-and-drop call routing and IVR, customisable white-label customer portals, native softphone apps for iOS, Mac, Windows, and browser, and an API-first design with native integrations into Salesforce, HubSpot, Pipedrive, Microsoft Teams, Slack, PowerBI, BigQuery, and major cloud storage providers (Amazon S3, Microsoft Azure, Google Drive, Dropbox), plus SSO for Microsoft and Google environments.
The company sells exclusively through a 100% channel-partner model, targeting Managed Service Providers (MSPs) that white-label the platform to their own end customers. As of the most recent disclosures, the platform powers communications for over 200,000 daily users across 700+ channel partners serving 40,000+ end customers. Revenue is generated through subscription-based licensing of the white-label platform to partners, with commercial flexibility that allows partners to bundle, license, or customise pricing to match their own sales approach. The company has pursued a roll-up strategy, completing four acquisitions between 2020 and 2021 (Ziron, Qunifi OneVoice UC, pbx hosting, and Surevoip) to expand technical capabilities and customer reach, and has stated a target of surpassing 400,000 active users by 2024 under PE ownership.
TelcoSwitch firmographics
Firmographics- Name
- TelcoSwitch
- Legal name
- Nebula Cloud Ltd.
- Website
- https://telcoswitch.com
- Company type
- Private
- Founded year
- 2015
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- TelcoSwitch (now Nebula Cloud Ltd.) provides a cloud-native, white-label unified communications platform called CallSwitch One, sold exclusively through 700+ UK channel partners and MSPs serving 40,000+ end customers and 200,000+ users.
- Ownership category
- akta.pro rank
TelcoSwitch industry classification
Industry- Product category
- Unified Communications as a Service (UCaaS)
- NAICS
- Wired Telecommunications Carriers (517111), Telephone Apparatus Manufacturing (33421), Telephone Call Centers (56142)
- SIC
- Services-Telephone Interconnect Systems (7385), Services-Prepackaged Software (7372), Computer Communications Equipment (3576)
- akta.pro primary industry
- Cloud PBX & Hosted Telephony (HDAIAHAB)
- akta.pro secondary industries
- Contact Center (CCaaS) & Customer Engagement Voice (HDAIAHAF), Voice Calling (VoIP) Apps (BPAMACAC), VoIP/ATA & Integrated Voice Gateways (CPE) (HDAFAIAJ)
Keywords
Where TelcoSwitch is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
TelcoSwitch business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Infrastructure, Marketing or Sales, Operations
Revenue model
- Partner Licensing and Subscription: TelcoSwitch generates revenue through licensing its white-label cloud communications platform to channel partners (MSPs), who in turn resell to end customers. The model offers commercial flexibility allowing partners to bundle, license, or customise pricing to match their own sales approach.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
TelcoSwitch product offering
Product offeringCore offering
TelcoSwitch (operating as Nebula) sells CallSwitch One, a cloud-native, software-first unified communications platform licensed on a white-label basis to UK channel partners and Managed Service Providers. The platform enables partners to instantly provision voice and UC services to end customers via click-to-deploy onboarding, deliver a fully branded customer portal, leverage native softphone apps across iOS, Mac, Windows, and browser, and integrate with major CRM, collaboration, and cloud storage tools through an API-first design.
Product overview
TelcoSwitch (now Nebula) operates as a unified communications and compliance solutions provider offering a cloud-native platform architecture. The primary product is CallSwitch One, a wholesale unified communications platform designed specifically for channel partners and MSPs. The platform provides click-to-deploy voice services with 100% white-label capabilities, enabling partners to deliver communications under their own brand. The ecosystem includes partner portal solutions, CPaaS offerings, numbering services, and infrastructure services supporting over 200,000 users across 700+ channel partners.
Differentiator
Problem solved
Functional benefit
Brands
- CallSwitch One: Cloud-native unified communications solution for channel partners and MSPs
Products and services
- CallSwitch One Cloud-native, software-first unified communications platform built in-house and delivered on a 100% white-label basis to UK Managed Service Providers and channel partners, who resell it to their end customers. Includes click-to-deploy voice provisioning, a customisable white-label customer portal, native softphone apps for iOS, Mac, Windows, and browser, drag-and-drop call routing with custom IVR, advanced analytics and wallboards, and an API-first design with no-code integration into Salesforce, HubSpot, Pipedrive, Microsoft Teams, Slack, and major cloud storage providers.
Quantifiable outcome
- Deploy voice services in seconds without complex engineering or servers
- +1 more outcomes
Companies that use TelcoSwitch
Customer profileSegments1 record
Ideal customer profiles1 record
TelcoSwitch technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration13 records
Feature8 records
TelcoSwitch partnerships and signals
Strategic signalScale indicators4 records
Recent moves6 records
Expansion highlights6 records
TelcoSwitch competitors and assessment
Company assessmentDirect peers
- Gamma Communications: UK-headquartered UCaaS and connectivity provider selling primarily through channel partners (including its own wholesale Gamma Platform). Directly comparable business model, geography, and channel-first distribution approach to TelcoSwitch/CallSwitch One.
- NFON: European cloud PBX/UCaaS vendor with a strong partner-channel go-to-market and multi-country footprint. Comparable to TelcoSwitch in targeting MSPs/resellers with a cloud-native telephony stack and recurring subscriptions.
- Wildix: Channel-first UCaaS and collaboration vendor selling exclusively through partners, with white-label deployment and an in-house developed platform. Highly comparable in channel model, product breadth, and mid-market positioning.
- Enreach: European unified communications and contact center group formed through roll-up of regional UCaaS providers. Directly comparable as a partner-led cloud communications provider with multi-country reach and recurring SaaS economics.
- 4Com (HiyaCX Group): UK-based provider of cloud telephony, UC, and contact center solutions to SMB and mid-market customers via both direct and reseller channels. Operates in the same UK market with overlapping feature set (hosted PBX, UC, call recording).
Broad incumbents
- RingCentral: Global UCaaS and CCaaS leader with a broad portfolio spanning voice, video, contact center, and APIs. Overlaps with TelcoSwitch in cloud PBX/UCaaS, but at much larger scale and across multiple geographies and verticals.
- 8x8: Public UCaaS/CCaaS platform serving enterprise and mid-market globally with bundled voice, video, and contact center. A broader portfolio incumbent competing for the same pool of UK mid-market customers, though not channel-only.
- Microsoft (Teams Phone): Microsoft Teams Phone and Operator Connect bundle telephony directly into the Teams productivity suite used by most enterprises. Represents the largest competitive threat to standalone UCaaS vendors by absorbing voice into an existing productivity purchase.
- Vonage (Ericsson): Cloud communications provider offering UCaaS, CCaaS, and CPaaS APIs across mid-market and enterprise. Comparable feature set to CallSwitch One and a credible competitor in UK voice, particularly via API/CPaaS integrations.
Others
- Twilio: Cloud communications platform providing programmatic voice, messaging, and video APIs (CPaaS). Not a direct UCaaS competitor but supplies the underlying communications infrastructure that many UCaaS and CallSwitch One-style platforms rely on.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
TelcoSwitch social profiles
Digital presenceTelcoSwitch financial estimates
Financial estimateRevenue estimate
Valuation estimate
TelcoSwitch leadership team
Management profileNumber of profiles
Profiles4 records
TelcoSwitch subsidiaries and ownership
Company hierarchySubsidiaries1 record
TelcoSwitch funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
TelcoSwitch M&A and investment
M&A and investmentM&A4 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about TelcoSwitch
What does TelcoSwitch do?
TelcoSwitch (operating as Nebula) sells CallSwitch One, a cloud-native, software-first unified communications platform licensed on a white-label basis to UK channel partners and Managed Service Providers. The platform enables partners to instantly provision voice and UC services to end customers via click-to-deploy onboarding, deliver a fully branded customer portal, leverage native softphone apps across iOS, Mac, Windows, and browser, and integrate with major CRM, collaboration, and cloud storage tools through an API-first design.
Is TelcoSwitch a public or private company?
TelcoSwitch is a private company. It is classified as private equity controlled and is currently operating.
When was TelcoSwitch founded?
TelcoSwitch was founded in 2015. It employs 101 to 250 people.
Where is TelcoSwitch based?
TelcoSwitch is headquartered in London, United Kingdom, in the Europe region.
How does TelcoSwitch make money?
One revenue line is on record: partner Licensing and Subscription.
Who are TelcoSwitch's main competitors?
Direct peers on record are Gamma Communications, NFON, Wildix, Enreach and 4Com (HiyaCX Group). Broad incumbents are RingCentral, 8x8, Microsoft (Teams Phone) and Vonage (Ericsson). Twilio is listed as an others.
Does TelcoSwitch have an API?
Yes. CallSwitch One offers an API-first design enabling partners to integrate, customise and automate workflows without coding. The platform provides developer resources and API documentation for building custom integrations and automating customer workflows. Developer documentation is at www.callswitchone.com/api-docs.
What industry is TelcoSwitch in?
TelcoSwitch's product category is Unified Communications as a Service (UCaaS). Its primary akta.pro industry code is HDAIAHAB, Cloud PBX & Hosted Telephony, with a secondary code of HDAIAHAF, Contact Center (CCaaS) & Customer Engagement Voice. Its NAICS code is 517111 and its SIC code is 7385.