What Magrathea Telecommunications does

Magrathea Telecommunications Ltd is a UK-based wholesale telecommunications carrier founded in 2001 (with a 25-year anniversary milestone in July 2026) and headquartered in Theale, Reading. The company provides wholesale voice termination, numbering, IP and physical connectivity, and fibre broadband services to other telecoms operators, VoIP service providers, ISPs, and resellers across the UK and Ireland. Its core technology is an IP-native switching and interconnection platform with hybrid TDM/IP capability, supported by proprietary products including MAGIC Portal (client self-service), Mag-Hub (direct network-to-network interconnection), Mag-Net (cloud-based call handling), MagSIPConnect (SIP connectivity), Secure RTP (encrypted voice), and SIP Resilience (failover and load balancing). Numbering services cover UK and Irish geographic and non-geographic ranges, including hosting and porting, with one of the earliest full sets of Ofcom number allocations in the IP-based wholesale segment.

The company operates a sales-led B2B wholesale model with usage-based pricing on voice termination, subscription recurring fees for number hosting, fibre/SOGEA broadband (supplied via BT Wholesale and AllPoints Fibre), and co-location at the Telehouse East datacentre. Distribution is direct-to-operator with a dedicated Business Development function, supplemented by self-serve via MAGIC Portal and a REST API for account and balance management. Long-standing industry positioning is reinforced through trade association involvement (CCUK, ISPA, ITSPA) and consecutive sponsorship of ISPA, ITSPA, and CCUK awards. Magrathea has no disclosed external institutional ownership, no subsidiaries, and operates with a small team, while signalling future growth via a Wholesale Mobile product in early development and continued platform investment.

Name

Magrathea Telecommunications

Legal name

Magrathea Telecommunications Ltd

Website

https://magrathea-telecom.co.uk

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

11–50 employees

Short description

Magrathea Telecommunications is a UK and Ireland wholesale telecoms carrier providing voice termination, numbering, IP and physical connectivity, and fibre broadband to other telecoms operators, VoIP providers, ISPs, and resellers.

Ownership category

akta.pro rank

Product category

Wholesale Telecommunications Services

NAICS

Wired and Wireless Telecommunications Carriers (except Satellite) (51711)

SIC

Telephone Communications (No Radiotelephone) (4813)

akta.pro primary industry

IP Transit & Internet Backbone (Tier-1/2, peering, DIA) (HDAIAEAA)

Keywords

• Wholesale voice termination
• Number hosting and porting
• SIP interconnection services
• Carrier-grade telephony infrastructure
• Wholesale broadband access

Headquarters

HQ city

Theale

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Wholesale Voice Services: Managed voice termination and connectivity services for UK and international calls. Revenue based on call volume and destination tariffs.
2. Numbering Services: UK and Irish telephone number hosting, porting, and range management. Monthly fees for number hosting.
3. Broadband Reseller: Wholesale fibre broadband services with per-month pricing model. Resellers purchase at wholesale rates and resell to end customers.
4. Co-Location Services: Data centre space at Telehouse East from 2U to full 42U rack, with direct network connectivity

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Magrathea Telecommunications is a wholesale carrier that sells managed voice termination, UK and Irish numbering, IP and physical connectivity, and fibre broadband aggregation to other telecommunications operators, ISPs, VoIP service providers and resellers. Services are delivered over an IP-native core network with PSTN/TDM interconnects, hosted at Telehouse East, and accessed through the proprietary MAGIC Portal and REST API. No retail or consumer offerings are provided.

Product overview

Magrathea Telecommunications is a wholesale telephony provider offering a comprehensive suite of voice and data services. The core portfolio centers on four main service areas: Numbering (UK and Irish numbers, hosting, porting, and NTS), Voice Connectivity (managed national/international voice, emergency services, MagSIPConnect, two-tiered billing), Physical Connectivity (Ethernet, Co-Location at Telehouse East, Fibre/SOGEA broadband), and IP Connectivity (Secure RTP, Mag-Hub, Mag-Net, SIP Resilience). The company operates as an IP-native business with over 25 years of experience, providing carrier-level reliability with transparent pricing. Additional offerings include the MAGIC Portal client platform and REST API for account management, with Wholesale Mobile announced as a future product. All services are designed for service providers and resellers rather than end consumers.

Differentiator

Problem solved

Functional benefit

Products and services

• Numbering in the UK & Ireland Complete range of UK and Irish telephone numbers with full connectivity for IP or PSTN terminated calls, delivered to client servers via Magrathea's wholesale network and high quality carriers. For wholesale telecom operators, VoIP providers, and resellers.
• Number Porting in the UK & Ireland Service enabling transfer of UK and Irish telephone numbers between providers on Magrathea's network. For carriers, ISPs and VoIP providers migrating or importing number ranges.
• Number Hosting Monthly subscription hosting for UK and Irish telephone numbers within Magrathea's network infrastructure. For wholesale buyers retaining numbers on the Magrathea platform.
• Chargeable Number Translation Service (NTS) Translation service for chargeable UK and Irish numbers enabling call handling and number translation on Magrathea's network. For VoIP providers and resellers offering premium-rate or non-geographic numbers.
• Managed National and International Voice Connectivity Managed voice termination for domestic and international calls with intelligent switching, automatic failover, optimal route selection, and emergency call handling (999/112) for UK and Ireland. For wholesale carriers, VoIP providers and resellers.
• MagSIPConnect SIP connectivity solution enabling direct interconnection with Magrathea's voice network for IP-based voice traffic. For VoIP providers and carriers needing SIP-level interconnect.
• Ethernet Connectivity Direct Ethernet connection to Magrathea's network using Ethernet over MPLS, providing speeds from 10Mbit/s to 1Gbit/s with low latency, low packet loss and low jitter. For carriers and ISPs needing resilient access to Magrathea's core network.
• Co-Location Co-location at London Telehouse East Datacentre offering rack space from 2U to a full 42U rack, with direct connectivity to Magrathea's core network and benefits of Telehouse's 2N+1 power redundancy, environmental control and multi-layer physical security. For carriers and ISPs needing physical presence.
• Fibre & SOGEA Broadband Wholesale fibre broadband products including FTTP (Fibre to the Premises) and SOGEA (Single Order Generic Ethernet Access), sourced via BT Wholesale and AllPoints Fibre and resold by clients on a per-month pricing model. For ISPs and broadband resellers building a fibre portfolio.
• Mag-Hub Direct traffic exchange between two networks with greater control over connectivity and routing, reduced points of failure, and elimination of transit and porting charges. For carriers and ISPs needing bilateral peering into Magrathea's network.
• Mag-Net Cloud-based call handling solution allowing clients to produce their own call handling solutions without operating telephony servers; all calls stay on Magrathea's network. For VoIP providers and resellers wanting inbound call flows without infrastructure investment.
• Secure RTP Secure Real-time Transport Protocol service protecting voice and signalling traffic for calls sent to client networks. For VoIP providers and resellers handling sensitive or premium-rate calls.
• SIP Resilience Resilience service allowing clients to nominate multiple IP addresses for inbound SIP call routing, providing failover and load balancing at no extra cost. For VoIP providers and carriers requiring high-availability SIP termination.
• MAGIC Portal Client portal for placing and tracking fibre broadband orders, accessing account information, and managing services including number porting. For wholesale clients as the primary self-serve interface to Magrathea's services.

Quantifiable outcome

• 25+ years in operation as a wholesale carrier

Named customers4 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• BT WholesalecoreTechnology or IntegrationBT Wholesale is a key supplier for fibre broadband services including FTTP products. Magrathea accesses BT Wholesale infrastructure for Single Order Generic Ethernet Access (SOGEA) and Fibre to the Premises products.
• AllPoints FibrecoreTechnology or IntegrationAllPoints Fibre is a supplier for wholesale fibre broadband services, providing FTTP access alongside BT Wholesale.
• Telehouse East DatacentrecoreTechnology or IntegrationLondon Telehouse East datacentre hosts Magrathea's co-location services and core network infrastructure. One of 47 Telehouse datacentres worldwide with environmental control, power redundancy up to 2N+1, and multi-layer physical security.
• LINX (London Internet Exchange)coreTechnology or IntegrationLINX membership provides internet exchange connectivity and peering opportunities.
• Comms Council UK (CCUK)coreStrategic or Co-development PartnerTrade association for communications providers. Magrathea is a proud sponsor and active member. Co-founded Women in Telecoms group within CCUK.
• ISPA (Internet Services Providers Association)coreStrategic or Co-development PartnerUK Internet industry association. Long-standing sponsor of ISPA Awards Best VoIP category.
• ITSPA (Internet Telephony Services Providers Association)coreStrategic or Co-development PartnerTrade body for internet telephony providers. Magrathea has been sponsor of ITSPA Awards and Best VoIP Innovation category.
• NICC StandardsminorOthersStandards body for network interoperability in the UK.

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Telappliant: UK hosted telephony and VoIP provider, also a past ISPA Best VoIP winner. Operates in adjacent reseller-facing voice services, illustrating the type of mid-market UK VoIP operator that depends on wholesale carriers like Magrathea.
• Voipfone: UK VoIP and hosted telephony provider for SMEs and resellers, and a past ISPA Best VoIP winner sponsored by Magrathea. Comparable as a UK-focused IP voice operator serving the same reseller channel, though positioned one layer down the stack from Magrathea's wholesale role.
• Connexin: UK full-fibre altnet and managed services provider. Linked to Magrathea via NED Simon Burckhardt (former MD). Comparable as a UK-headquartered carrier-tier operator, though with a heavier fibre-network investment focus and consumer/SME orientation rather than pure wholesale.
• Gamma Communications: UK-listed wholesale voice, data, mobile and cloud communications provider serving resellers, ISPs and channel partners — the closest direct comparable to Magrathea's wholesale numbering, voice termination and connectivity stack, but operating at significantly larger scale.

Broad incumbents

• Sinch: Global wholesale communications platform providing voice, messaging and carrier interconnect services worldwide. Comparable as a wholesale voice and numbering provider, but at materially larger scale and with international reach Magrathea lacks.
• Vonage (Ericsson): Global CPaaS and UC provider (now part of Ericsson), with UK operations previously led by Simon Burckhardt (Magrathea's NED). Overlaps with Magrathea across SIP trunking, voice and numbering, but operates at vastly greater scale and as part of a much broader platform.
• TalkTalk Business: UK B2B connectivity and voice provider serving SMEs, resellers and channel partners. Comparable to Magrathea in targeting ISPs and resellers with wholesale-style connectivity and voice bundles, though at substantially larger scale and with retail exposure.
• Vodafone Business UK: Major UK carrier offering fixed voice, mobile, broadband and unified communications to enterprise and wholesale customers. Overlaps with Magrathea across voice termination and connectivity but as part of a far broader portfolio including mobile, IoT and global services.
• BT Wholesale: Wholesale division of BT Group supplying connectivity, voice, and broadband to UK carriers and ISPs. Overlaps with Magrathea across fibre broadband supply, numbering and wholesale voice, but at vastly greater scale and as the upstream supplier Magrathea itself relies on.
• Bandwidth Inc. US-headquartered wholesale voice, messaging and 911/emergency services provider with global numbering. Direct overlap with Magrathea's voice termination, numbering and emergency services portfolio, though at significantly larger scale and geographically broader.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/magratheatel
• LinkedInlinkedin.com/company/magrathea-telecommunications-ltd

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 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 Magrathea Telecommunications