Who Is Gamma Telecom Holdings Ltd?
Gamma Telecom Holdings Ltd is a leading UK-based communications technology company, specialising in unified communications, cloud telephony, managed networks, and business connectivity.
Founded in 2001 and headquartered at The Scalpel, 18th Floor, 52 Lime Street, London, EC3M 7AF, the firm operates under company number 04287779 and remains a key player in enabling digital transformation across businesses of all sizes.
Originally incorporated as Charco 1001 Limited, the business transitioned through strategic rebranding to Gamma Telecommunications Limited and ultimately became Gamma Telecom Holdings Ltd, reflecting its expansion in services and enterprise reach.
As part of the broader Gamma Communications Group, the company is committed to simplifying business communications through scalable, secure, and future-ready technology solutions.
Gamma serves a diverse clientele across the UK and Europe, spanning micro-businesses to enterprises and the public sector, through direct channels and over 1,500 strategic partners.
Who Leads Gamma Telecom Holdings Ltd and How Is the Company Structured?
Gamma Telecom Holdings Ltd is governed by a strong leadership team comprised of experienced professionals in the fields of communications, enterprise technology, and strategic governance.
The company operates as a Private Limited Company and remains actively involved in delivering business-to-business (B2B) services under the following Standard Industrial Classification (SIC) codes:
- 62090: Other information technology service activities
- 82990: Other business support service activities not elsewhere classified
Key Officers and Directors
| Name | Role | Appointed | Nationality | Country of Residence |
| Andrew Scott James Belshaw | Director | 1 Oct 2014 | British | England |
| William Thomas Castell | Director | 29 Jul 2022 | British | England |
| David John Williams | Director | 31 Mar 2023 | British | United Kingdom |
| Rachael Alexandra Matzopoulos | Secretary | 31 Mar 2023 | British | United Kingdom |
The company also benefits from its placement within Gamma Communications plc, which is publicly listed on the London Stock Exchange (AIM: GAMA).
This structure gives the company the operational flexibility of a private firm while retaining the backing and oversight of a broader public corporate group.
What Is the Financial Strength and Business Status of Gamma Telecom Holdings Ltd?
Gamma Telecom Holdings Ltd demonstrates robust financial and operational stability, maintaining active status with consistent compliance to UK corporate regulations.
The company’s most recent accounts, made up to 31 December 2024, illustrate continued growth and long-term sustainability. The next filing is due by 30 September 2026, and the next confirmation statement is due by 14 June 2026.
Financial Overview:
| Attribute | Detail |
| Company Status | Active |
| Incorporation Date | 14 September 2001 |
| Company Type | Private Limited Company |
| SIC Codes | 62090, 82990 |
| Parent Group | Gamma Communications plc |
| Regions of Operation | UK, Germany, Spain, Benelux |
| Public Listing | AIM (London Stock Exchange) |
While exact turnover and capital figures are not publicly available at subsidiary level, the Gamma Group has reported revenues in excess of £500 million, backed by strategic acquisitions and sustained organic growth in UCaaS and managed services.
What Services and Features Does Gamma Telecom Holdings Ltd Provide?
Gamma Telecom Holdings Ltd delivers a comprehensive suite of next-generation communications products designed for flexibility, reliability, and seamless business integration.
These offerings are packaged under the Gamma Elements Portfolio, a modular framework that enables businesses to mix and match communications services tailored to their scale and sector.
Core Product Categories and Capabilities
- Enable: Broadband, Ethernet, Gamma Mobile, SIP Trunks, and FUSION IoT services that provide reliable connectivity foundations.
- Connect: Cloud Connect, Phoneline+, Horizon Cloud Phone System, Microsoft Teams Phone, and iPECS for seamless business communications.
- Experience: Horizon Contact, Webex, Amazon Connect, Secure Payments, and Cirrus Contact Centre to enhance customer interactions.
- Secure: Network security, PCI compliance, and managed secure infrastructure to protect data and operations.
- Solutions: Enterprise Managed Services, CCaaS solutions, managed networks, and Clearing as a Service for complex business needs.
- Toolbox: Communications intelligence, PSTN switch-off solutions, and unified communications for SMEs and the public sector.
Gamma is especially recognised for its cloud-first telephony (e.g., Horizon, SIP Trunking, Microsoft Teams integration), and has helped businesses streamline remote work, enhance customer experience, and manage risk through centralised communication ecosystems.
What Do Customers and Industry Voices Say About Gamma Telecom Holdings Ltd?
Customer and partner feedback reflect Gamma’s dual reputation for technical excellence and responsive service. The firm is frequently praised for high network uptime, product flexibility, and the ease of managing systems like Gamma Horizon, its flagship VoIP and cloud PBX platform.
Customer Testimonials:
“Gamma’s success is down to them being very flexible and entirely focused on what the customer needs.”
— Alan Campbell, Head of IT Procurement, OCS“Switching to Gamma has been the best move we’ve ever made. We’re getting a better service that’s more resilient and reliable.”
— Jason Wells, Head of IT Infrastructure, Care UK
Pros:
- Service Reliability: Fast and resilient VoIP and broadband connections
- Platform Usability: Intuitive portal for managing business phone systems
- Partner Support: Channel-first approach that empowers resellers and MSPs
Areas for Improvement:
- Sales Practices: Some complaints of nuisance sales calls, often tied to number spoofing (not direct from Gamma)
- Customer Resolution: Isolated reports of slow complaint handling, occasionally escalating to ombudsman
- Internal Culture: Mixed Glassdoor reviews suggest a growing corporate structure with changing management dynamics
Despite these challenges, Gamma retains a strong B2B reputation and a growing European footprint.
How Can You Contact Gamma Telecom Holdings Ltd?
Gamma offers comprehensive customer and partner support, available through multiple channels, particularly for UK-based businesses seeking tailored UCaaS or cloud communications services.
Registered Office Address:
The Scalpel, 18th Floor,
52 Lime Street,
London, United Kingdom,
EC3M 7AF
Alternate Office (Group HQ):
Kings House,
Kings Road West,
Newbury, Berkshire,
RG14 5BY
Website: www.gammagroup.co
Support Contact:
Support is typically routed through the Gamma Communications Group. For product-specific help or onboarding, visitors are encouraged to use the contact forms available via the Gamma website.
Why Choose Gamma Telecom Holdings Ltd?
With over two decades of experience and a mission to “make business communications less complex and more human,” Gamma Telecom Holdings Ltd has become a trusted name for businesses seeking modern, scalable, and secure connectivity.
Its partner-centric model, innovative technology stack, and ongoing investments in cloud and mobile infrastructure position Gamma as a go-to provider in the UK’s fast-changing B2B communications landscape.
Whether you’re an SME looking for a robust phone system or an enterprise ready to modernise your entire communication suite, Gamma brings the agility, expertise, and support to help you succeed in a connected world.
