Managed IT support for London businesses

London businesses move fast. Their IT needs to keep up — and their IT provider needs to be able to respond when things go wrong, wherever their people are working. Kaizen IT has been supporting businesses in London with managed IT services, cyber security, and strategic IT consultancy for over two decades.


From fast-growing scale-ups in Shoreditch and creative agencies in Soho, to professional services firms in the City and West End — we understand the demands of London’s business environment and the technology that drives it.

Why London businesses choose Kaizen IT

We’re independently owned, ISO 27001 and ISO 9001 certified, an Apple Premium Technical Partner and Microsoft Partner. That combination of credentials, experience, and genuine cross-platform expertise is rare — and it’s what sets us apart from the generalist IT companies that serve the London market.



We support businesses running macOS, Windows, or a mixed estate — managing both seamlessly. Our London-based field engineers provide on-site support when remote troubleshooting isn’t enough, and our helpdesk is staffed 7am–7pm to cover the full working day and beyond.

What our clients say...

“They provided the expertise and guidance we needed, allowing us to focus on building our business — confident in the security and reliability of our technology.”


“Their team are responsive, knowledgeable and pragmatic, always focused on practical solutions that work for the business.

Our London IT support services

Managed helpdesk support

Our helpdesk is staffed 7am–7pm, Monday to Friday as standard — covering remote troubleshooting, software support, device queries, and account management. 24/7 emergency cover and US hours extension are available as add-ons for businesses that operate outside standard hours.

On-site support across London

Our field engineers provide on-site support for London businesses — covering hardware installations, network infrastructure work, and on-site project delivery. On-site response within four to eight working hours depending on your service level agreement.

IT security assessment

We assess your IT environment across 36 individual controls in 9 categories — covering identity and access management, endpoint and device security, network infrastructure, data and cloud configuration, email and communications, resilience and recovery, people and process, monitoring and response, and security certification and compliance. Included free for all new clients, with a plain-language report and prioritised action plan.

Strategic IT consultancy

We build a technology roadmap around your business — covering cloud and server strategy, workstation lifecycle planning, device management, backup and disaster recovery, and compliance accreditation support for ISO 27001, Cyber Essentials, and SOC 2.

Cyber security

From managed detection and response through our partnership with Huntress, to DMARC email authentication, Mailsafe email filtering, and Huntress Managed SAT — we protect London businesses against the threats that matter most.

Frequently asked questions

Do you have engineers based in London?

What areas around London do you cover?

How quickly will you respond to a support request?

Do you support Apple devices as well as Windows?

Can you help us switch from our current IT provider?

What contract options do you offer?

Get in touch

0345 141 1400 — 7am to 7pm, Monday to Friday

hello@kaizenit.co.uk

Kings Cross Business Centre, 180 to 186 Kings Cross Road, London WC1X 9DE.