IT Support
Fast, friendly help when things go wrong. We respond quickly and fix issues properly, first time.
Learn moreWhizzIT delivers expert managed IT services and reliable IT support to small and medium businesses across London, Hertfordshire and the South East of England. Proactive maintenance, responsive support and no tech jargon. Simple, secure and stress free.









From day to day support to cyber security and full projects, our team looks after the lot so you can focus on running your business.
Fast, friendly help when things go wrong. We respond quickly and fix issues properly, first time.
Learn moreProtection that safeguards your business from online threats, aligned to Cyber Essentials best practice.
Learn moreMicrosoft 365 and Google Workspace managed end to end. Secure, backed up and always available.
Learn moreReliable, resilient networks designed, built and monitored by our engineers. Connectivity included.
Learn moreOffice moves, migrations and upgrades delivered on time, without disrupting your team.
Learn moreNot sure what you need? Tell us what you're wrestling with and we'll point you in the right direction.
Get in touchTell us what your setup looks like now and we will tell you what is worth doing first, and what can wait.
Backed by five-star reviews across the board.
A decade of hands-on IT experience.
Real people answer the phone, no queues.
Read our reviews
WhizzIT is a managed IT services provider based in London and the South East, supporting small and medium sized businesses across the region. Our focus is simple: reliable, high quality IT and exceptional customer service.
Every client gets the same dedication and care, whatever the size of their business. We take the time to understand your goals, tailor our services to match, and build trusted partnerships that help your business grow with confidence.
More about usWorking with us you get
No rigid packages and no surprises. We price around your team, systems and goals, then give you a clear quote.
Gary Hufford, Owner, GH Building & Landscaping · see all 15 reviewsWhizzIT are always on hand to support my construction company. Being able to simply pick up the phone and receive great IT support is essential.
Independently assessed against the UK government-backed scheme, so our security fundamentals are verified rather than simply claimed. We help clients certify too.
How Cyber Essentials helps you
A direct partnership with Microsoft. We license, deploy and support Microsoft 365 and Azure for you, with escalation straight to Microsoft when it is needed.
Our Microsoft cloud servicesSpecialist IT support shaped around the way your industry works, its systems, its compliance demands and its pace.
Secure, always-on IT for consultancies, agencies and firms where every billable hour counts.
02Connected sites, protected project data and support that keeps pace with your programme.
03Compliant, resilient systems for practices and clinics that patients depend on every day.
One conversation is usually enough to tell you whether we are the right fit.
Great IT support company. The WhizzIT team are professional, responsive and easy to work with. Any issues are dealt with quickly and they are never slow to pick up the phone when you need them. Highly recommended.
Working with Billy and the WhizzIT team has been a revelation. Amazing support in set up, outstanding customer service and a pleasure at every interaction. Great to have our IT support in such safe hands.
Great IT company, thank you WhizzIT for a smooth migration from Google to Microsoft 365. We really appreciate how professional Billy is and is always on hand to help us over the phone. I would highly recommend WhizzIT.
Have been using this company for a few months and I couldn't be happier. Very professional and reliable.
Excellent service. Great insight and highly supportive. Thank you Billy.
WhizzIT are always on hand to support my construction company. Being able to simply pick up the phone and receive great IT support is an essential part of running my business.
Tell us what is not working and we will tell you what we would do about it. No pressure and no jargon.
No rigid packages and no surprises. We shape your support plan and price around your team, systems and goals, then give you a clear, no-obligation quote. Most businesses are surprised how affordable proactive, fully managed IT really is.
We hold partner status with the vendors behind the tools we deploy, so your licensing, support and escalation come direct from the source rather than through a reseller chain.




Book a free consultation and see what five-star, jargon-free IT support feels like.