Numbergroup.com

Name

Numbergroup.com

Legal name

Numbergroup Utilities Ltd

Website

https://numbergroup.com

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Business Telecommunications / Cloud Telephony

NAICS

Telecommunications Resellers (517121), Telecommunications Resellers and Agents for Wireless Telecommunication Services (51712)

SIC

Telephone Communications (No Radiotelephone) (4813), Services-Telephone Interconnect Systems (7385)

akta.pro primary industry

Signaling, Numbering & Registry Services (SS7/Diameter, ENUM, numbering resources) (HDAIAEAF)

akta.pro secondary industries

Billing, Payments & Subscription Management (MPAHAJAC), Billing, Payments & Account Administration Centers (BPAAAAAF)

Keywords

• Virtual phone numbers
• Cloud telephony services
• SIP trunking solutions
• Freephone number rental
• Hosted PBX system

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. Phone Number Rental: Monthly rental charges for virtual phone numbers including 0800 freephone, UK geographic landlines, 03 numbers, and premium marketing numbers. Customers rent numbers rather than owning them outright.
2. Call Minutes Packages: Bundled packages including number rental plus included minutes for call redirection. Examples include 2000 minutes included per month with basic packages.
3. Bolt-On Services: Additional call solution features including call routing, recording, analytics, queuing, IVR, professional voice prompts, and more, charged as add-on services.
4. Premium/Memorable Numbers: Higher-value memorable, golden, or vanity telephone numbers with premium pricing bands based on memorability and market value.
5. Bulk/Wholesale Number Supply: Large volume number purchases for wholesalers and telecom providers, including DDI ranges, 1k-10k number blocks.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels4 records

Core offering

Numbergroup.com rents virtual UK phone numbers (0800 freephone, 0808 freephone, 03 UK-wide, geographic, and premium memorable marketing numbers) on 30-day rolling monthly subscriptions starting from £19.99/month, bundled with call redirection minutes and supplemented by a cloud-hosted PBX (Luna), SIP trunking, and a suite of SaaS call management bolt-ons (routing, recording, IVR, queuing, AI analytics). Numbers are sold primarily to UK SMEs, public bodies and telecom wholesalers through a self-serve website and direct sales.

Product overview

Numbergroup.com is a UK telecommunications company operating as a cloud telecom provider offering a portfolio of phone number rental and call management services. The core product is Phone Numbers (including 0800 freephone, 0808 freephone, 03 UK-wide, and geographic numbers) rented on monthly plans from £19.99/month with 30-day rolling contracts. This core is supplemented by the Luna Hosted PBX Phone System for remote working, SIP Trunking for ISDN replacement, and a comprehensive suite of Bolt-Ons (Call Solutions) delivered as SaaS including call routing, recording, analytics, IVR, queuing, and professional voice prompts. Advanced AI Services provide call summarization, pain point detection, and performance analytics. A Selfcare Portal enables 24/7 real-time management, while Bulk Allocations serve wholesale customers. The portfolio supports up to 500 concurrent calls and integrates with popular PBX systems (3CX, Avaya, Asterisk, FreeSWITCH, Mitel, Cisco, Panasonic, Yeastar), WhatsApp Business, Zapier, and Slack.

Differentiator

Problem solved

Functional benefit

Products and services

• Phone Numbers Virtual UK phone numbers including 0800 freephone, 0808 freephone, 03 UK-wide, London geographic numbers (0207, 0208) and other UK regional geographic numbers, plus premium memorable marketing numbers, rented on 30-day rolling monthly contracts from £19.99/month with bundled call minutes. Sold to UK businesses, public bodies and telecom providers for branding, customer service and marketing use.
• Luna Hosted PBX Phone System Cloud-based hosted PBX enabling users to make and receive calls on any landline, mobile, or internet-connected device including iOS, Android, Mac, and Windows computers via an existing internet connection, supporting remote and hybrid working.
• SIP Trunking Virtual voice trunking service delivered over an internet connection that replaces traditional ISDN lines, offering claimed cost savings of up to 50%, scalability via software configuration, automatic call rerouting, support for up to 500 concurrent calls, and SIP integration with PBX systems including 3CX, Avaya, Asterisk, FreeSWITCH, Mitel, Cisco, Panasonic and Yeastar.
• AI Services AI-powered call analytics add-on that automatically produces concise call summaries, detects caller pain points, surfaces sales opportunities, blocks nuisance callers, and provides employee performance insights, with real-time alerts delivered through Zapier, webhooks, email, or Slack.
• Bulk Number Allocations Wholesale supply of large volumes of UK numbers including DDI ranges and 1k–10k number blocks for telecom providers, ISPs, and wholesalers, with bulk API integration and flexible bundling with other services.

Quantifiable outcome

• Save approximately £135 per month over BT's 0800 number pricing
• +2 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration12 records

AI capability5 records

Feature6 records

Partnerships

One partnership is on record.

• OfcomcoreStrategic or Co-development PartnerOfcom is the UK government regulator for communications industries. Numbergroup was one of the first UK cloud telecom companies to acquire 0800 number ranges from Ofcom when they were first made available, establishing early market position.

Scale indicators5 records

Recent moves5 records

Expansion highlights5 records

Market position

Strengths8 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/numbergroup
• Facebookfacebook.com/numbergroup-146609542074998
• LinkedInlinkedin.com/company/numbergroup

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Numbergroup.com