Who Is M3ST Limited and What Do They Do?
M3ST Limited is a forward-thinking UK-based telecommunications provider specialising in high-volume, high-performance voice and messaging services for enterprises, platforms, and channel partners.
Incorporated on 24 January 2012, and headquartered in St Ives, Cambridgeshire, M3ST has built a strong reputation for delivering scalable, secure, and innovative communications solutions that enable its clients to become their own carriers, removing reliance on traditional telecom operators.
Operating under the SIC code 61900, Other telecommunications activities, M3ST provides a diverse portfolio of services including Dynamic SIP Trunks, Number Analytics, SMS, Connectivity, and Social Media Integration (such as WhatsApp).
Their core offering allows clients to engage with customers via their preferred communication platforms, ensuring maximum reach, flexibility, and customer satisfaction.
The company’s infrastructure supports over 100 million monthly interactions, underscoring its ability to deliver reliable, enterprise-grade solutions across multiple verticals.
Whether you’re a digital platform provider, a multinational enterprise, or a niche communications reseller, M3ST offers the technical backbone and services to support your growth and customer engagement strategy.
Who Leads M3ST Limited and What Is the Company’s Structure?
M3ST Limited operates as a Private Limited Company, registered under Company Number 07921549. The leadership team comprises experienced professionals with deep expertise in telecommunications and digital transformation.
Board of Directors:
| Name | Role | Appointment Date | Nationality | Country of Residence |
| Matthew Robert Winder | Director | 24 Jan 2012 | British | England |
| Matthew Leslie Henry | Director | 24 Jan 2012 | British | England |
| Debbie Karen Henry | Director | 1 Feb 2020 | British | United Kingdom |
| Catherine Lucy Winder | Director | 1 Feb 2020 | British | England |
This leadership team has played a pivotal role in developing M3ST’s robust service architecture and client-first ethos.
With directors actively involved in strategic decisions, the business ensures constant innovation in its product offerings while maintaining regulatory compliance.
M3ST’s adherence to UK telecommunications standards, including Ofcom regulations and the Privacy and Electronic Communications Regulations (PECR), positions it as a reliable and responsible service provider.
How Much Capital Does M3ST Limited Operate with and What Is Its Turnover?
As a privately held company, M3ST Limited does not publicly disclose its capital or detailed financial turnover figures. However, the operational scale, supporting over 100 million interactions per month, is indicative of a highly resilient and well-capitalised infrastructure.
Key Financial & Operational Highlights:
- Incorporated: 24 January 2012
- Trading for over 13 years
- Self-sustaining infrastructure with N+1 redundancy
- Specialised high-capacity SIP termination network
- Real-time client portal enabling scalable, secure account management
- Serving a mix of UK and international clients in over 40 countries
The organisation’s ability to support high-volume dialling, emergency services routing, and international in-country SIP provisioning across multiple jurisdictions suggests a scalable and investment-ready model with long-term sustainability.
What Services and Features Does M3ST Limited Offer?
M3ST Limited provides a suite of telecommunications services tailored to enterprises, platforms, and technology resellers.
Their services are built around performance, resilience, and compliance, ensuring customers can communicate efficiently across multiple channels and geographies.
Core Services
| Service Area | Description |
| Dynamic SIP Trunks | High-volume voice communication with features like call recording, voice-to-text, IVR, and PCI compliance. Enables real-time traffic monitoring and inbound/outbound call management. |
| SMS | Enterprise-level SMS services for transactional and promotional messaging. |
| Number Analytics | Offers data insights around call origin, behaviour, and geographic usage patterns. |
| Social Media & WhatsApp Integration | Enables seamless customer interaction via WhatsApp and other social platforms. |
| Connectivity | Infrastructure support for leased lines and managed connectivity services. |
Key Features
- Bespoke Client Portal: Manage and monitor SIP activity, add IP addresses, repoint DIDs, access real-time CDRs, and set up reports independently.
- Redundancy Architecture: All systems built with N+1 redundancy, ensuring failover protection.
- Scalable Termination Network: Specifically engineered to manage high-intensity, high-volume call traffic.
- Regulatory Compliance: M3ST ensures adherence to UK Communications Act 2003, PECR, and Ofcom persistent misuse policies.
Real-Time Client Portal Functionality:
| Feature | Description |
| CDR Reports | Access call detail records in real time. |
| DID Management | Repoint inbound numbers at will. |
| IP Management | Add or update allowed IPs for call origination or termination. |
| Usage Monitoring | Track network traffic, billing, and account status instantly. |
| Automation | Self-service capabilities for quicker response and troubleshooting. |
With this combination of advanced infrastructure, real-time control, and multi-channel communication capabilities, M3ST Limited empowers businesses to manage complex telecom needs with simplicity, flexibility, and confidence, making it a trusted partner in an increasingly connected world.
What Do Customers and Industry Bodies Say About M3ST Limited?
While M3ST Limited doesn’t currently showcase public reviews on platforms like Trustpilot, its commitment to customer care is evident through its formal affiliations and regulatory compliance.
M3ST is:
- A recognised member of the Communications Ombudsman, offering structured dispute resolution.
- Registered with Ofcom, confirming its legitimacy as a licensed telecoms provider.
- Fully compliant with UK laws, including the Communications Act 2003 and PECR regulations.
These accreditations reflect a company focused on transparency, accountability, and service reliability. Though public ratings are limited, their robust internal support system and industry partnerships suggest a strong commitment to client satisfaction and operational excellence.
Businesses seeking a compliant and capable telecom partner can trust in M3ST’s infrastructure and ethics to deliver dependable service backed by proper regulatory governance.
How Can You Contact M3ST Limited?
M3ST Limited offers several channels for communication and technical support. Their team is based in Cambridgeshire, with direct access via phone and email for prospective and current clients.
Contact Details:
| Method | Details |
| Phone | +44 (0) 1923 60 66 55 |
| sales@m3st.co.uk | |
| Website | www.m3st.co.uk |
| Postal Address | Norfolk House, 4 Station Road, St Ives, Cambridgeshire, PE27 5AF, United Kingdom |
Prospective clients are encouraged to get in touch to explore tailored solutions or request demonstrations of their SIP trunking and communication platform services.
Why Choose M3ST Limited?
M3ST Limited stands out in the UK telecommunications landscape for its technical depth, bespoke solutions, and commitment to compliance.
Unlike many providers who offer generic voice and data services, M3ST empowers its clients to become their own carrier, building tailored communication ecosystems around the specific needs of platforms, channel partners, and global enterprises.
Reasons to Partner with M3ST:
- Infrastructure built for scale: 100M+ monthly interactions
- Fully automated client portal for instant control
- Voice and messaging in 40+ countries with emergency routing
- Dedicated compliance with Ofcom, PECR, and UK telecom laws
- Highly stable SIP termination network
Whether you’re preparing for the ISDN switch-off, looking for a scalable SIP trunk provider, or integrating social and messaging channels into your communication stack, M3ST provides a future-ready platform with the reliability, customisation, and performance today’s organisations demand.
