Outsource your IT department

Whatever The Task, We Have IT Covered

Our areas of expertise

AI Consultancy

Custom AI Automations

AI policy and governance

Insight tools for leadership


Ideal for businesses who want to take advantage of AI with tailored advice and support

IT Support

Onsite & Remote Support

Responses in under 7 mins on Slack

End to End Managed IT


Ideal for businesses that want fast, friendly support and proactive IT management

Cloud Services

Migrations of Email & File Storage

Google Workspace and Microsoft 365

Google Cloud & AWS


Ideal for teams moving to Google Workspace or Microsoft 365, or tightening cloud security

Cyber Essentials

Fully managed certification

Policies and documentation

Phishing simulations and training


Ideal for businesses that want a monthly package for security, compliance, and peace of mind

Internet Connectivity

100Mb | 1Gb | 10Gb Leased lines

Fully Managed Networks & WiFi

Leased Networking Equipment


Ideal for teams that need reliable, business-grade internet with fast fault resolution

Networks & Servers

Fully Managed, Monitored Networks

Office WiFi Optimisation

Disaster recovery


Ideal for growing teams that need reliable connectivity as they scale

Office 21:
IT Support for SMEs in London

Office 21 provides proactive IT support for SMEs in London. We take care of day-to-day support, device management, security, onboarding and offboarding, and the systems that keep your business running smoothly.

We’re not just here to fix problems - we help you improve. That means reviewing how your tools are set up, introducing better ways of working, and making sure everything stays secure as your team grows.

What is different about our approach to IT Support?

  • White-glove VIP support
  • Modern Tech Stack
  • Bespoke, tailored IT
  • Security-first by default
  • Based in Central London
  • Proactive improvements

IT Support - Done Right.

Office 21 is a passionate and forward thinking company, whose focus is to keep up with ever changing IT best practices, in order to pass them onto our clients, in turn making their businesses more efficient, whilst keeping maximum reliability. We pride ourselves in using the latest security and backup software, to ensure that our clients data is always protected from threats, virtual and physical.

The Secret?

Uniform, Repeatable IT80%

80% Complete

Almost every business needs email, file sharing, device management and security.

By standardising systems, businesses can improve efficiency, security and reliability of their data and processes. Over years of research and experience, we are able to deliver high performing, easy to use systems, comprising of mixed Windows and Mac networks.

Bespoke IT20%

20% Complete

Standardised software and solutions are great – but aren’t always capable of meeting all business use cases.

Bespoke IT services and solutions are what Office 21 specialise in. We constantly listen to the challenges our clients business face, either day to day, or on a long term basis, which allow us to focus our attention on delivering well thought through systems and solutions, which directly address those challenges.

Clients we continue to support

Bespoke IT Solutions designed for SMEs

Support your business' growth

Office Moves
New Staff Onboarding/Offboarding
IT Support, On Site & Remote
VoIP Phones & Video Conferencing Suites
GDPR Consultation & Solutions
Hardware Procurement
Server Management

Build a resilient organisation

Project Management
Cloud Migrations
Data Security
Asset Management / Hardware Audit
Proactive Maintenance
Firewalls & Networks
Microsoft Office Configuration
Network Cabling

Contact us for a free consultation

We offer Onsite IT Support in areas all over London that include but are not exclusive to these boroughs: Camden, Greenwich, Hackney, Hammersmith, Islington, Kensington and Chelsea, Lambeth, Lewisham, Southwark, Tower Hamlets, Wandsworth and Westminster.

What our clients say

Secret Link