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VoIP & Telecoms in London

32 providers on the register list VoIP & Telecoms in London, Greater London. Compare their profiles alphabetically and confirm the scope with your shortlist. No provider can pay for a higher position.

Hosted VoIP phone systems, unified communications and business telephony that move with your team.

The local picture

32
providers listed offering VoIP & Telecoms in London
local and regional firms; UK-wide firms are counted separately
27
record a company number
of the 32 listed here
16
record Cyber Essentials
8 record the Plus tier
5
record ISO 27001
the information-security management standard
17
years trading, median
across the 29 firms whose founding year we hold

Counted from the register in October 2026. These figures describe information recorded in the directory. Credentials may come from public sources or owner submissions. Confirm current details directly; missing information is not a negative assessment.

Providers offering VoIP & Telecoms

Listed alphabetically

Renaissance IT

SERVING LONDON · GREATER LONDON

Explore this provider’s services, coverage and company information.

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded
Public-information listing
RIVERBANK IT Systems

SERVING LONDON · GREATER LONDON

Explore this provider’s services, coverage and company information.

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded Cyber Essentials Plus ISO 27001
Owner-maintained profile
RTP Solutions

SERVING LONDON · GREATER LONDON

Explore this provider’s services, coverage and company information.

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded
Public-information listing
Sentinel Data Solutions

SERVING LONDON · GREATER LONDON

We are a MSP providing IT Support, Hosted Infrastructure and Licensing

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded Cyber Essentials Plus Microsoft Partner
Owner-maintained profile
Sonar IT

SERVING LONDON · GREATER LONDON

Explore this provider’s services, coverage and company information.

IT Support & HelpdeskCybersecurityCloud & Microsoft 365
Public-information listing
Spitfire

SERVING LONDON · GREATER LONDON

Explore this provider’s services, coverage and company information.

CybersecurityCloud & Microsoft 365IT Infrastructure

Recorded information

Company number recorded
Public-information listing
True MSP

SERVING LONDON · GREATER LONDON

True triple cloud IT MSP

IT Support & HelpdeskCloud & Microsoft 365IT Infrastructure

Recorded information

Microsoft Partner
Public-information listing
Virtual1

SERVING LONDON · GREATER LONDON

Explore this provider’s services, coverage and company information.

Cloud & Microsoft 365IT InfrastructureVoIP & Telecoms

Recorded information

Company number recorded
Public-information listing

UK-wide providers offering VoIP & Telecoms

These profiles record nationwide coverage, including London, Greater London. Confirm remote and on-site availability directly with each provider.

CloudTech24

SERVING THE UK

IT Services London

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded Cyber Essentials Plus ISO 27001
Owner-maintained profile

VoIP & Telecoms in London: common questions

How many providers offer VoIP & Telecoms in London?

32 providers in our directory list this service and local or regional coverage in London, Greater London. Confirm the exact service scope and availability directly. UK-wide providers are shown separately.

What do recorded credentials mean?

These are records from public sources or provider submissions. Confirm the current certificate, issuer and scope with the provider. Missing information is a gap in our directory, not a judgement about the business.

Can a provider pay to appear higher on this page?

No. Providers are listed alphabetically within the local and UK-wide sections. Payment does not affect the order.

Should the provider be based in London?

Remote work can be delivered from elsewhere. For on-site work, confirm travel times, response targets and any additional charges before agreeing a contract.

Profiles bring together public company records, provider websites and owner submissions. Confirm important details directly before you decide. Read how profiles work and how this stays free.

Other services in London

Only combinations with at least one provider are linked.

All IT support in London →

VoIP & Telecoms elsewhere on the register

Areas with at least one provider offering VoIP & Telecoms, ordered by how many we hold.

Not sure which provider fits?

Answer a few questions and we will shortlist the providers on the register that best fit your brief for VoIP & Telecoms in London.