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Outsourced IT · London
At Sereno, we're more than an outsourced IT support company. We act as your full in-house IT team without the full-time cost, working as an extension of your business to keep systems running smoothly and prevent issues before they disrupt you.
Our people-first, proactive approach keeps you secure, empowers your people, and turns IT from a burden into a genuine competitive advantage, so you can stay focused on growth.
Hire one person, or gain a team
In-house hire
With Sereno
Partnered with the best · Certified by Microsoft, Google & Cyber Essentials
Definition
Handing your IT to a third-party partner instead of hiring and managing it all in-house. One accountable team covers every discipline, on-site and remotely:
Helpdesk & day-to-day support
Your team's first port of call
Proactive monitoring
Issues caught before they bite
Cyber security
Layered protection, always on
Cloud & infrastructure
Email, storage & servers
Backup & recovery
Business continuity covered
IT strategy & advice
A dedicated Technology Advisor
All of it, one partner
In plain terms, it's your entire IT department, run by one accountable partner, and that partner is Sereno, delivering the full managed IT services stack without the overhead of an internal team.
The Benefits
Beyond the peace of mind of a knowledgeable team on hand in any emergency, outsourcing your IT support offers a range of indisputable business benefits.
You avoid the cost of recruiting, training and managing an internal IT team, and we minimise costly downtime and hardware replacements by proactively maintaining your infrastructure before problems bite.
Technical issues get fixed promptly so your people stay on task, and a professional team available whenever you need it lets the business focus on its core work rather than IT distractions.
An outsourced provider brings qualified specialists across every field of IT, so any issue, however complex, is resolved quickly and effectively, which is hard to match with a single in-house hire.
As your business grows, we align your IT infrastructure with the growing scope of your operations, scaling seamlessly and keeping you current with the latest technology so IT never becomes the bottleneck.
Modern cyber threats demand professional expertise. Outsourced IT includes managing your cyber security, proactively preventing and efficiently resolving security issues across your organisation.
Premium quality outsourced IT support in London is just a call away.
Why Sereno
Promptly resolving your IT needs, supporting your digital transformation and ensuring business continuity should come as a given. At Sereno, we go beyond that. Hover a card to see how.
Invest in cyber security with us and we'll reduce your support fee, fewer issues, lower risk. Reduced cost never means reduced service; you still get our full suite of outsourced IT support in London.
Our support plans include optimising your existing IT ecosystem. Since that investment benefits us both, we split the labour cost of the project with you.
Switching provider takes trust. Every partnership is 30-day rolling for the first year and backed by our Partner Experience Guarantee for good.
Cloud brings flexibility, scalability and security. If you're not there yet, Sereno covers 25% of your migration cost so you can become more efficient and competitive.
What we cover
Sereno provides fully managed outsourced IT support in London and the surrounding areas, an end-to-end suite of managed IT services spanning helpdesk support and cyber security to keep your systems secure and efficient.
Our Process
A clear path from first call to going live, most of the work happens behind the scenes. Hover a step to see what's involved.
First call
30-minute call
We start with a consultation to understand your specific IT needs, challenges and business goals, so we can tailor our services to fit.
Audit
A short walkthrough
We perform a thorough assessment of your current IT infrastructure and processes, then build a customised support plan setting out exactly what we'll provide.
Setup
No involvement
Our specialists set up monitoring, configure software and perform the integrations needed for efficient support.
Live
Whenever you need us
Dedicated IT professionals provide continuous troubleshooting, maintenance and updates, with proactive monitoring to prevent issues and keep performance optimal.
Ongoing
Regular check-ins
Regular performance reviews and detailed reports keep you informed about everything happening across your IT systems.
Dominik
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
Case 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 studyQuick answers on cost, in-house vs outsourced, fit, and what we cover.
Businesses outsource IT support services for a number of reasons, including access to specialised expertise, advanced cyber security solutions, cost savings, improved productivity, and enhanced scalability.
The primary difference between outsourced and internal IT teams is the location of the IT staff. While in-house IT support involves hiring and managing a dedicated IT team within your organisation, outsourcing means hiring an external company.
In-house IT support offers more personalised service and immediate on-site assistance. On the other hand, outsourcing provides access to a broader range of expertise at a lower cost and allows for greater flexibility and scalability without the overhead of maintaining an internal IT department.
The cost of outsourced support varies based on several factors, including the size of your organisation, the complexity of your IT needs, and the terms of the service level agreement.
Sereno offers transparent pricing and customisable support contracts to meet your unique business needs. Feel free to get in touch with our London outsourced IT support company for an accurate quote.
We provide both small business IT support and comprehensive IT solutions for enterprises. Our experience spans multiple sectors, including healthcare, finance, retail, technology, and more, making us a reliable support partner that can effectively meet your needs regardless of the industry.
Keep reading
Guides and reads on outsourcing, IT strategy and getting more from your IT.
In-house IT feels like control, but for most SMBs it's a false economy. Six reasons why outsourcing delivers better coverage, lower risk, and more expertise, at a fraction of the internal cost.
IT support is the difference between an issue fixed in minutes and hours of lost productivity. This guide covers what it does, what the five tiers mean in practice, and how to choose between in-house and outsourced.
Proactive IT support shifts the model from firefighting to prevention, continuous monitoring, regular maintenance, and predictive analysis that keeps your business running before problems strike.
Leave the technical aspects to the experts. Contact us today.
Let's talk
Whether it's about our pricing, services or processes, we're here to answer any question you might have. Just drop us a line or book your 1-1 discovery call to connect at your preferred time.
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.
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