London & Hertfordshire

Business IT support you can actually rely on

Supporting businesses across London & Hertfordshire – working from home, a fixed office, or both – we keep your business moving, wherever your team is.

Get a free IT audit Call 0203 8833 444

Services

From day-to-day support to cybersecurity and cloud migration, we cover every part of your business IT – so you can focus on running your business.

Managed IT services

Proactive, always-on support that keeps your systems running – we spot and fix most problems before your team notices.

IT security & Cyber Essentials

Protecting your business and data with monitored, modern security – and helping you meet GDPR and Cyber Essentials requirements.

Cloud services & M365

Enterprise-grade tools without enterprise-grade costs – scale your IT as your business grows.

Backup & disaster recovery

Regular, tested backups and fast recovery when things go wrong.

VoIP

Take your office phone system with you, wherever you’re working from.

Networks

Reliable network infrastructure for businesses of every size — built to grow with you.

10+ years

Supporting businesses across London & Hertfordshire

15 min

Target response for critical issues

9am–6pm

UK-based service desk, Monday to Friday

One team

For support, security, cloud, phones and networks

What our clients say

Rated 5 out of 5 by our clients on Google.

    
 
 
       Posted on Google  
   
   Nicola  
 
 
 
 Trustindex verifies that the original source of the review is Google. I wanted to take a moment to recognise the outstanding work Brian did in successfully managing our network migration at CUBIX, Milton Keynes.

From start to finish, Brian demonstrated exceptional professionalism, technical expertise and dedication.  The migration of our internal clients was carried out smoothly and efficiently, with minimal disruption to our day-to-day operations.

What impressed us most was the level of customer service and support he provided throughout the project.  Brian gave each client personal attention, ensuring questions and concerns were addressed promptly and that everyone felt supported during the transition.  His clear communication, patience and willingness to go above and beyond made a significant difference and contributed greatly to the success of the migration.

A huge thank you to Brian for his hard work and attention to detail.

Experiences like this confirm that we chose the right IT service partner - we would highly recommend their services to any organisation looking for reliable, professional IT support.
  
 
      Posted on Google  
   
   Amanda Nathan  
 
 
 
 Trustindex verifies that the original source of the review is Google. David and his team have looked after us for 25 years.  Their service and attention to detail is beyond excellent, there is never a problem he cannot solve.  Cannot recommend highly enough .
  
 
      Posted on Google  
   
   Andrew Andreou  
 
 
 
 Trustindex verifies that the original source of the review is Google. Absolutely outstanding, highly recommended and would never use anyone else
  
 
      Posted on Google  
   
   Emma Kaye  
 
 
 
 Trustindex verifies that the original source of the review is Google. David Feldman has been my IT expert since 2008!!  His company have always offered complete support of our IT systems.   They offer a 5 star service.  I would highly recommend their services
  
 
      Posted on Google  
   
   Richard Greenfield (Rick)  
 
 
 
 Trustindex verifies that the original source of the review is Google. IT Zero are a great business partner they are both proactive and reactive at the right times. As a charity we need IT solutions at a reasonable cost that have maximum impact on our business this is something that IT Zero never fail to deliver.
  
 
      Posted on Google  
   
   Allan Cozens  
 
 
 
 Trustindex verifies that the original source of the review is Google. We have trusted David Feldman and IT Zero with our IT needs and requirements for over 20 years. Over that time they have guided us through major changes in technology in the most cost effective way. We know we probably drive them mad, however they always deal with our issues in the most professional way. Their charges are more than fair and reasonable and we would no hesitation in recommending them to anyone.

Allan Cozens
Heath Crawford and Foster Limited
  
 
      Posted on Google  
   
   Marc Miller  
 
 
 
 Trustindex verifies that the original source of the review is Google. We have now been working with IT Zero for the past 3 years.  David and Brian along with the rest of their team have been a great support. We would highly recommend them to anyone looking for assistance with their IT.
  
 
      Posted on Google  
   
   Carl woolf  
 
 
 
 Trustindex verifies that the original source of the review is Google. Excellent and reliable. Been happy for many years
  
 
      Posted on Google  
   
   Mr West  
 
 
 
 Trustindex verifies that the original source of the review is Google. I have been a client of IT Zero for the past 16 years and I can confidently say that they are an amazing IT support company. Their consistent delivery of excellent service and support has been a game changer for our business. We have never experienced any major issues or downtime due to their proactive approach. The team at IT Zero is knowledgeable, friendly, and always responsive to our needs. I highly recommend IT Zero to anyone in need of reliable and trustworthy IT services.
  
 
      Posted on Google  
   
   Richard entername  
 
 
 
 Trustindex verifies that the original source of the review is Google. Very knowledge guys

Who we help

We look after organisations from small offices to multi-site businesses across London and Hertfordshire.

Small business team working at computers in a sunlit office

Small and medium businesses

Growing teams that want dependable IT without the cost of an in-house department.

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Two charity colleagues working together at a laptop

Charities and non-profits

Secure, cost-effective IT that makes the most of charity licensing and tight budgets.

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Teacher talking with students in a classroom

Schools and education

Reliable networks, devices and cloud services for staff and students.

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Professional services

Accountants, solicitors, agencies and consultancies that need their systems up and their data safe.

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We also look after Wi-Fi, networks, CCTV and connectivity for

Modern shared office space with desks and a green plant wall

Serviced offices

Multi-tenant Wi-Fi, leased lines and managed networks for whole buildings.

Restaurants, nightclubs and event spaces

Guest Wi-Fi, CCTV and reliable connections for busy venues.

More about who we help

Here’s how we work with you

Get in touch
- Call or email for an informal chat about your business IT needs.
Free IT audit
- We review your current setup and identify quick wins, risks, and opportunities — no obligation.
Tailored onboarding
- We migrate, configure, and document your systems with minimal disruption to your team.
Ongoing support
- Proactive monitoring, regular reviews, and a support team on hand whenever you need us.

Work with an honest and reliable IT partner

We pride ourselves on providing an honest, value-for-money service for every client.

Our aim is to build a trusting, long-lasting relationship – quality service at a fair, transparent price.

Every member of our team is highly experienced across all areas of IT.

Fixed, transparent pricing – no surprise invoices
UK-based support team, not an outsourced call centre
On-site support across London & Hertfordshire, fast when you need us – based in Borehamwood
Proactive monitoring – we catch and fix issues before they disrupt your day
10+ years supporting businesses across London & Hertfordshire

Let’s talk about your IT support

Give us a call for an informal chat about your requirements, or send us a message and we’ll get back to you quickly.

[email protected]

Phone

0203 8833 444

Address

5 Penta Court, Station Road, Borehamwood, WD6 1SL

Book a call