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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

ACT Systems Ltd

SERVING READING · BERKSHIRE

IT Support for the Ambitious Business

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

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

SERVING BUCKINGHAMSHIRE · SOUTH EAST

We provide IT and Telecoms services to businesses from 5 to 125 employees.

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded
Owner-maintained profile
Cheeky Munkey

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
Conosco

SERVING LONDON · GREATER LONDON

Award-winning IT consultancy

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded Cyber Essentials Plus ISO 27001
Public-information listing
Dyonix

SERVING BIRMINGHAM · WEST MIDLANDS

Dyonix provides bespoke IT solutions for enterprises that have a strong remote workforce, multiple locations in the same country or multiple locations internati...

IT Support & HelpdeskCybersecurityCloud & Microsoft 365
Owner-maintained profile
EC-MSP

SERVING LONDON · GREATER LONDON

IT support London companies can trust

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded
Public-information listing
Expereo

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
Fifosys

SERVING LONDON · GREATER LONDON

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

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded ISO 27001
Public-information listing
HelpDesk Heroes

SERVING LONDON · GREATER LONDON

Proactive IT solutions and support

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded
Public-information listing
ION Networks

SERVING LONDON · GREATER LONDON

Managed Services Provider & Cyber Security Experts

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded Cyber Essentials Plus
Public-information listing
IT Champion

SERVING LONDON · GREATER LONDON

Unlimited IT Support

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded Cyber Essentials ISO 27001
Owner-maintained profile
IT Outcomes

SERVING LONDON · GREATER LONDON

Stress-Free IT Support & Solutions

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded Cyber Essentials
Public-information listing
IT Support UK

SERVING LONDON · GREATER LONDON

Leading MSP in London and Kent

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded Microsoft Partner
Public-information listing
IT-MSP

SERVING LONDON · GREATER LONDON

Managed IT & Support Services in the heart of London

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded Cyber Essentials
Public-information listing
Little Big Tech

BASED IN LONDON · GREATER LONDON

Managed IT and cyber security for ambitious 5–50 user firms across London and the Southeast - and the first MSP to hold the Assurix Trustmark.

IT Support & HelpdeskCybersecurityIT Infrastructure

Recorded information

Company number recorded Cyber Essentials
Owner-maintained profile
M-Tech Systems

SERVING LONDON · GREATER LONDON

Managed service provider with two decades history

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded
Public-information listing
MPR IT Solutions

SERVING KENT · SOUTH EAST

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

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded Cyber Essentials Plus
Public-information listing
NDAXI LTD

SERVING BATH · SOUTH WEST

Ndaxi is a UK-based managed IT service provider helping organisations work securely, efficiently and confidently. We deliver Microsoft 365 and Azure solutions,...

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

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

SERVING BRIGHTON · EAST SUSSEX

Net Tech IT is a managed IT support company based in Horsham, West Sussex, serving small and medium-sized businesses across West Sussex, East Sussex, Brighton a...

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Cyber Essentials ICO Registered
Owner-maintained profile
Netitude

SERVING SOMERSET · SOUTH WEST

Growth Through Technology

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

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

SERVING LONDON · GREATER LONDON

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

IT Support & HelpdeskCybersecurityCloud & Microsoft 365
Public-information listing
PCW Solutions

SERVING LONDON · GREATER LONDON

Business IT Support and Security Experts

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded Cyber Essentials Microsoft Partner
Public-information listing
Plan IT Support

SERVING LONDON · GREATER LONDON

Business IT Support & Solutions

IT Support & HelpdeskCloud & Microsoft 365VoIP & Telecoms

Recorded information

Company number recorded Cyber Essentials
Public-information listing
PRIME POTENTIAL (UK) LIMITED

SERVING ABERDEEN · SCOTLAND

Prime Potential is a Cumbria-based Managed Service Provider with our team's 25 years of combined experience keeping local and national businesses running smarte...

IT Support & HelpdeskCybersecurityCloud & Microsoft 365

Recorded information

Company number recorded Cyber Essentials Microsoft Partner
Owner-maintained profile

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.