Case study · Hutton Consulting
The IT Relationship Hutton Consulting Was Looking For
Modernised cloud and identity setup to support hybrid working, with security and strategy from a partner they could finally trust.
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Managed IT Services · London
Is your business struggling to keep up with the ever-increasing demands of technology? Let Sereno IT take the burden off your hands with fully managed IT services, all in one place.
We're a managed IT support London provider that lets you operate the same way a company with an internal IT department would, at a fraction of the cost.
One partner Every IT service Under one roof
Partnered with the best · Certified by Microsoft, Google & Cyber Essentials
Managed IT Services London
Modern businesses need more than the traditional IT Support helpdesk.
It's likely that your business uses an ever-expanding collection of software, applications, connectivity services, cloud services, etc.
Choosing, implementing, connecting, and ensuring your systems are running smoothly requires industry knowledge, technical expertise, and tools, and takes management time.
In-house IT department experience
We work like a dedicated in-house IT team and IT manager, at a fraction of the cost.
All IT services under one roof
You’ll have one dedicated technology adviser who understands your business and manages every IT service you rely on through one trusted point of contact.
Expert advice and reliable management
We help you choose the right services, secure competitive pricing, manage implementation and provide reliable ongoing support.
IT Services
Many outsourced IT providers reward the least time spent on your requests. At Sereno, our team focuses purely on your satisfaction, backed by our Customer Experience Agreement (CXA) with a 95% satisfaction guarantee.
Why managed IT
Looking for quick, reliable and expert managed IT services in London? Hover a benefit to see how it pays off. At Sereno we believe in full transparency with our partners.
Reduced costs
An internal IT team means salary, benefits, training and overheads, equipment, software licences, ongoing development. A managed provider keeps your systems running without the cost of maintaining in-house personnel.
Enhanced efficiency
Robust service-desk support upskills your team, so they grow more confident and handle basic issues themselves. Managed services usually include training on specific software or equipment, improving the end-user experience.
Improved productivity
Fully managed support is built around business continuity, issues are addressed promptly, downtime is minimised, and a proactive approach prevents problems before they arise.
Stronger cyber security
Cyber security comes as part of most managed services. With threats more frequent and sophisticated, we implement robust measures, firewalls, encryption and regular vulnerability assessments, to keep your business safe.
Access to broad expertise
A managed provider brings varied expertise across every area of IT, resolving issues of any complexity, expertise that would be costly to build with an in-house team.
Industries
Connected agents, secure document flow, reliable infrastructure across branches.
Find out moreRegulated-ready security, audit trails and zero-downtime operations.
Find out moreResilient, season-proof IT for practices that must never lose a working hour.
Find out moreOn-site and back-office connectivity that keeps every project moving.
Find out moreRobust networks, monitored systems and resilient cyber security for production.
Find out moreHigh-throughput storage, file-sharing and seamless creative collaboration.
Find out moreCase studies
London businesses come to Sereno when they want IT to feel organised, owned and easier to manage. Real outcomes for real businesses.
Case study · Hutton Consulting
Modernised cloud and identity setup to support hybrid working, with security and strategy from a partner they could finally trust.
Read the case study
Case study · Statons Estate Agents
Took ownership of devices, onboarding and security so the operations team could focus on customers, not IT.
Read the case study
Case study · Urban Logistics REIT
Built an IT roadmap aligned to growth, with predictable monthly investment, dependable support and clearer reporting.
Read the case studyDominik
9 months ago
Jo Joynes
a year ago
AJ Shazad
a year ago
Tim Field
a year ago
Scott Simmons
a year ago
Adam Wright
a year ago
MB
a year ago
Daljit Sumal
a year ago
Kevin Williams
a year ago
Richard Martin
a year ago
Annabelle Pugh
2 years ago
Dana Ozola
2 years ago
John Holmes
2 years ago
Alexander Moss
2 years ago
James Goodwin
2 years ago
Madeleine Barley
2 years ago
Chris Needham
3 years ago
shima
6 months ago
“Sereno have been a reliable and valued partner, with a fantastic team of highly responsive and capable technicians, backed by proactive and forward-thinking leadership.”
John Holmes
IT Manager, Oikos Storage Ltd
CloudTango Review
“After a couple of challenging years with our previous IT support company, moving to Sereno IT in 2024 has been one of the best business decisions we've made.”
Joanna Socko
Franklyn James
CloudTango Review
“IT is no longer a burden or even a part of my work week. I know the team are looked after quickly if they have an issue, and I get all the advice and guidance…”
Jamie Waldegrave
COO/CFO, Urban Logistics
CloudTango Review
“The advice we've had from Sereno means we can make informed decisions about what our company actually needs and we know we can implement changes easily.”
Alice Lees
Hutton Consulting
CloudTango Review
“Sereno IT provided a solution that perfectly aligned with our needs. Not only did they help us save on costs, but they also ensured our systems are secure and…”
Nigel Shearsby
Statons Estate Agents
CloudTango Review
“We've been working with Sereno IT for a year now and continue to be impressed by their forward-thinking approach.”
Katie Sexton
Archio Ltd
CloudTango Review
“Sereno are an innovative IT company who make solving your IT issues quick and simple with their vast knowledge.”
Jo Nauman
AKT Productions Limited
CloudTango Review
“We have been working with Sereno for around a year and half now, and the support they've provided has been truly invaluable to our business.”
Fay Allen
Greencore Homes Ltd
CloudTango Review
“We've been working with SERENO IT and are very happy with their service. Communication is always smooth and efficient, and their team is extremely helpful and…”
Aziz Selcuk Tuncer
Ant Yapi UK Ltd
CloudTango Review
“Reliable, Responsive, and Proactive — A True IT Partner. We switched to Sereno after experiencing repeated delays and poor communication from our previous IT…”
Nisha Patel
Strata Property Group Ltd
CloudTango Review
“We have worked with Sereno for a couple of years and have been really pleased with them, they are much better than our previous IT support.”
Justin Elvey
Director, Big Potato Limited
CloudTango Review
5-star rated on Google and CloudTango
75+
Companies and 2,300+ people supported
98%
Client retention since inception, with zero quality-related churn
100%
Staff retention last year, so you work with the same accountable team
Growing
We helped our clients grow 14% on average last year
Looking for an outsourced managed IT company in London? Talk to an IT Advisor.
In depth
A closer look at everything Sereno manages under one roof. Step through each service using the buttons below.
Microsoft 365 is the backbone of the modern workplace, a full productivity suite for collaboration, communication and security that goes well beyond email, cloud storage and Word. Its range of apps flexes to fit your company and each employee’s role, but managing such a large platform is challenging. Sereno helps you understand the full potential of your Microsoft investment, ensures the correct licences are in use, applies best practices and implements security controls so your staff stay productive.
The Sereno difference
Offload licences, accounts, permissions and day-to-day IT admin to Sereno so your team can focus on the work that grows the business.
24/7 monitoring, patching and health checks stop most issues before they affect your team, so you hear from us before things break.
30-day rolling agreements, clear pricing and no lock-in, so we earn your partnership every month, backed by our Partner Experience Guarantee.
A dedicated Technology Advisor plans your IT roadmap around where the business is heading, not just tickets on the desk.
Cyber Essentials Plus certified security services, including monitoring, security controls and user awareness training, can be added to your managed service package based on your business needs.
A London-based team with on-site engineers who can be at your office quickly when something needs hands-on attention.
Get the coverage of a full internal IT department, including helpdesk, security, cloud and strategy, for a fraction of the cost of salaries, benefits and overheads.
Seamless support for staff in the office, at home or on the road, with device management and secure access wherever your team is working.
Looking for reliable managed IT services in London? Get in touch with us.
Sereno Learning Hub
Choosing the right managed IT provider in London can be overwhelming, so we've compiled everything you need to consider into one easy-to-follow guide, with expert guidance and insider tips.
Keep reading
Guides and reads on getting more from your managed IT.
This guide explains what a managed service provider should do behind the scenes, how monthly fees are structured, and the warning signs of an expensive helpdesk. It also shows whether your IT is being proactively managed or merely fixed whenever something breaks.
Choosing an IT support provider has always required trust. But today, trust alone is not enough.
Sereno has been recognised at the SME London Business Awards 2026, a milestone that reflects the proactive, transparent model of IT support we've built for growing businesses. Here's what it means for the SMEs we work with.
Common questions about managed IT services in London.
An IT managed service provider (MSP) is a third-party company that manages a customer's IT infrastructure and services. The provider and customer are typically bound by a contract with agreed service levels.
Services typically include
Best practice: A good MSP operates proactively, preventing issues before they arise rather than only responding when something breaks.
Choosing the right managed IT provider requires matching their capabilities to your specific needs. Start by identifying which IT functions you need help with, then evaluate providers on those criteria.
Steps to consider
Best practice: Look for a London-based provider who can also offer on-site support quickly when needed.
Sereno delivers managed IT services across London, covering areas including Mayfair, Shoreditch, Soho, Farringdon, London Bridge, Victoria, Clerkenwell, Marylebone, Hammersmith, and many other areas.
We support businesses across
Best practice: Local proximity means faster on-site response and an IT partner who understands the London business landscape.
IT support and managed services are related but distinct. IT support typically addresses specific issues as they occur, either in-house or outsourced. Managed services are delivered by an external provider and include ongoing maintenance, monitoring and strategic planning to prevent issues before they arise.
Key differences
Best practice: If you want IT to improve over time and not just stay stable, managed services are the right model.
Let's talk
Any issues or uncertainties with your IT environment? Our team can answer your questions and ease any concerns, all free of charge.
What we'll cover on the call
We'll get back to you within 60 minutes during business hours.
The next step is to choose a time that works for you. Once booked, our team will be ready to discuss your enquiry.
If you do not book, we’ll contact you within 60 minutes during business hours.
Step 1 of 2