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Managed IT Services · London

Fully Managed IT Services in 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

  • Microsoft Solutions Partner
  • Google Workspace Partner
  • Cyber Essentials Plus
  • SentinelOne
  • Jamf
  • NinjaOne
  • Datto Authorized Partner
  • SonicWall
  • Bitdefender
  • KnowBe4
  • DNSFilter
  • Keepr
  • Datto
  • Microsoft Teams

Managed IT Services London

IT Support, Security And Cloud Management, All In One Place

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

IT Services We Can Manage for You

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.

  • Microsoft 365 Google Workspace

    Microsoft 365 & Google Workspace

    • Use the correct licensing at the right price
    • Ensure staff get full use of the tools available to them
    • Day-to-day support and training for your team
    • Remove the admin burden, new accounts, folders and permissions
  • Cyber Security

    • Meet recommended best practices to keep your business secure
    • Expert advice on the best security services in the market
    • Benefit from partner packages and reduced pricing
    • Managed and reported on to always ensure complete security
    • Proactive and reactive support to address any security concerns
  • Disaster Recovery & Backup

  • Internet Connectivity

    • Business-level connectivity and speeds
    • Priority service to ensure reliable, uninterrupted connection
    • Installation and ongoing support included
    • Secure wireless across your whole office
  • VoIP & Telephony

  • Hardware & Software Procurement

    • Advice on devices that are fit for purpose for all employee roles
    • Bespoke device stacks for quick order through our Partner Portal
    • Software licensing provided, installed and managed
  • Office Infrastructure & Networks

    • Office networking, switches, cabling and patching
    • Firewall network security and defence
    • VPN and secure remote access options
  • Cloud Storage & Servers

    • Microsoft Azure server provision and management
    • Cloud hosting and hosted desktop environments

Why managed IT

Benefits of a managed IT partner

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.

Case studies

Client Success Stories

London businesses come to Sereno when they want IT to feel organised, owned and easier to manage. Real outcomes for real businesses.

  • Hutton Consulting

    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.

    Read the case study
  • Statons Estate Agents offices

    Case study · Statons Estate Agents

    How Statons Transformed Operations with Microsoft 365

    Took ownership of devices, onboarding and security so the operations team could focus on customers, not IT.

    Read the case study
  • Urban Logistics REIT

    Case study · Urban Logistics REIT

    Reliable IT Support for a Listed Property Investment Company

    Built an IT roadmap aligned to growth, with predictable monthly investment, dependable support and clearer reporting.

    Read the case study

Our Happy Clients

Google Reviews

70 Google reviews

Write a review
  • Dominik

    9 months ago

    We have partnered with Sereno on a range of IT projects and appointed them as our managed IT services provider and the experience has been exceptional from the…

  • Jo Joynes

    a year ago

    Sereno IT are innovative in their approach to IT support. We moved to Sereno IT in Jan 2023 and have not looked back.

  • AJ Shazad

    a year ago

    I have known Sereno (and their previous business) since 2016 as they are the IT solutions providers of our private credit fund with complex operations.

  • Tim Field

    a year ago

    Great company, very efficient with some wonderful individuals supporting

  • Scott Simmons

    a year ago

    We have used Sereno for our IT support since May 2023 and find the team to be quick, informative and clear in terms of describing any work carried out to…

  • Adam Wright

    a year ago

    We've been working with Sereno for 18 months now and have been impressed by their solution oriented approach.

  • MB

    a year ago

    Great service, rapid response time, friendly, professional technicians - couldn't be better. Very glad we switched providers.

  • Daljit Sumal

    a year ago

    Amazing service as always. Had a few queries which were dealt with swiftly and calmly.

  • Kevin Williams

    a year ago

    Sereno have always responded quickly to our requests/issues. Very polite and professional staff who keep you informed of progress of any problem solutions…

  • Richard Martin

    a year ago

    My company moved to Sereno IT over the new year and we have found the process not only to be painless but i would describe it as enjoyable.

  • Annabelle Pugh

    2 years ago

    We have been clients of Sereno IT's since summer 2023 and we have been extremely happy with the service we have received to date.

  • Dana Ozola

    2 years ago

    These guys are new in the market, but they provide outstanding service. What is important to our company, that they comprehend hierarchy of team and therefore…

  • John Holmes

    2 years ago

    We have been a customer of Sereno since Summer 2023 and the experience since has been overwhelmingly positive.

  • Alexander Moss

    2 years ago

    Great company, full of energy and very attentive to our needs. You really get a personalised service, with the technical ability of a much larger company.

  • James Goodwin

    2 years ago

    My business has recently adopted Sereno IT Support as our ITSM partner over the last quarter.

  • Madeleine Barley

    2 years ago

    Excellent, speedy, friendly and very 'human' service. Intuitive and easy to use platform.

  • Chris Needham

    3 years ago

    I've had the pleasure of working with Sereno for several months now, they are honestly absolutely fantastic.

  • shima

    6 months ago

    Sereno is the most reliable IT support team

CloudTango Reviews
  • “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

Managed IT Services, Explained

A closer look at everything Sereno manages under one roof. Step through each service using the buttons below.

01 / 09
Microsoft 365

Microsoft 365 Services

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

Why Businesses Choose Sereno as Their IT Support Company

  • End the IT Admin Burden

    Offload licences, accounts, permissions and day-to-day IT admin to Sereno so your team can focus on the work that grows the business.

  • Proactive, Not Reactive

    24/7 monitoring, patching and health checks stop most issues before they affect your team, so you hear from us before things break.

  • Flexible, Transparent Partnership

    30-day rolling agreements, clear pricing and no lock-in, so we earn your partnership every month, backed by our Partner Experience Guarantee.

  • Aligned to Your Business Objectives

    A dedicated Technology Advisor plans your IT roadmap around where the business is heading, not just tickets on the desk.

  • Enhanced Security Options

    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.

  • Local London Support

    A London-based team with on-site engineers who can be at your office quickly when something needs hands-on attention.

  • Cost-Effective vs Hiring In-House

    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.

  • Trusted IT Support for Hybrid Teams

    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.

Managed IT Services Questions, Answered

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

  • 24/7 monitoring, support and network management
  • Cyber security and data management
  • Hardware and software procurement, installation and configuration
  • Cloud services management and IT strategy
  • Disaster recovery, user training and ongoing support

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

  • Define which IT functions you need managed, such as helpdesk, security, cloud or network
  • Shortlist providers with the technical certifications and industry experience relevant to you
  • Confirm they offer tailored solutions, not a one-size-fits-all approach
  • Review security services and proactive support capabilities
  • Check SLAs for response times and uptime guarantees
  • Read independent reviews and client testimonials

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

  • Central London. City, West End, Southbank
  • West London. Hammersmith, Fulham, Kensington
  • East London. Shoreditch, Whitechapel, Canary Wharf
  • North and South London as required

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

  • IT support is often reactive, managed services are proactive
  • Managed services include continuous monitoring and maintenance
  • An MSP takes ownership of your IT environment, not just tickets
  • Managed services typically include strategic planning and guidance

Best practice: If you want IT to improve over time and not just stay stable, managed services are the right model.

Let's talk

Free Consultation With An Independent IT Expert

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

  • How IT is currently handled and where it creates friction
  • Recurring issues, ownership gaps, or security concerns
  • Whether your IT setup supports or slows your growth
  • What fully owned IT would look like for your business
  • Clear, actionable next steps you can use straight away

We'll get back to you within 60 minutes during business hours.

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