IT Managed Services London

Award-winning London IT support consultancy for businesses looking to improve productivity, reliability and the secure availability of data 


Changing the rules of IT managed services in London


Calligo is one of London's most established IT experts and delivers managed IT services such as cybersecurity, IT support and managed cloud services.

As the UK's first end-to-end managed data services provider, we work with our partners to secure and improve their IT infrastructure while also improving business performance. Our team is award-winning, most recently being recognised as Global MSP of the Year, and will help improve your business' cybersecurity, IT reliability and improve collaboration between remote teams. 



Focused on your data, not your technology



Globally award-winning for vision, service and performance


Looking beyond "IT maintenance" and "helpdesk support" to make your data more available, productive and protected



Built on industry ‘best in class’ metrics


First in the UK to integrate data privacy regulations into managed IT services



Certified Microsoft Gold Partner across multiple disciplines


msp-501-first-place-200x133-1  EUMSP_LOGOS-01-132x132   CDN CEA-19-Finalist-logo-transparent-162x200-2       European-IT-Software-Excellence-Awards-130x130

British companies that have optimised their entire IT environment experience:



Greater agility 


More productivity


NPS score


The benefits of a London-based ITMS provider


Our office in London allows us to provide world-leading IT consultancy to businesses in the capital and beyond. With the business landscape changing at a rapid pace, it is becoming clear that any downtime is simply not an option. We provide 24/7 helpdesk support, while also creating ISO and SOC-certified cloud environments that make your data safely and continuously available, and accurately backed-up. Our expertise also helps empower teams to collaborate more efficiently to reduce business costs and create a framework for long-term growth, all while ensuring continuous data privacy, security and governance.


Contact our London helpdesk

General Enquiry: +44 330 124 2090


Help & Support: +44 330 124 2500




Address: TOG, Scott House, Suite 1, The Concourse, Waterloo Station, London, SE1 7LY, UK


Calligo’s central London office is located in Waterloo. From this location, Calligo able to support our IT managed services customers and cloud infrastructure customers, and provide data privacy and data insights guidance.


What you can expect from IT Managed Services from Calligo


Heightened IT Security

Tools, processes and expertise that ensure your business and data is protected through the latest technologies and on-going staff education. Find out more about our Managed IT Security Services.


Improved Productivity

We will work with you to identify, deploy and integrate the most suitable productivity tools for your teams, ranging from Microsoft 365 to industry-specific applications.



Cloud Expertise

Our heritage is in cloud services, so we are experts in migrating and maintaining cloud environments that give you the scalability, flexibility and cost efficiency you need.



Privacy & Compliance Support

We are the only provider in the world that puts data privacy at the heart of managed IT services. Our team will integrate industry regulations and privacy laws into every use of your data.  


Reliable “Business as Usual“

Through network monitoring, constant connectivity and 24×7 helpdesk support, we give you the confidence that both your IT and your business are fully functional, backed up and secure.



Access to IT Skills 

We help our clients bridge the IT skills gap. We provide access to a wide range of specialist IT expertise that would otherwise be too expensive to hire, including cloud migration, systems integration and vendor accreditations.


Financial ROI

Our IT Managed Services lower your costs through reduced hiring need, packaged services, predictable spend, reduction of workforce downtime and overall lower CAPEX outlay.


Strategic Guidance

We can translate your ambition into IT strategy. Not only do we maintain and secure your data and IT environment, but we also consult on how to use technology to deliver on your corporate objectives.




We will introduce you to new technologies that are appropriate to your business objectives, such as Artificial Intelligence, Internet of Things, hybrid cloud and the use of APIs, and prepare your infrastructure to take advantage of them.


What we deliver

Every aspect of Calligo’s IT Managed Services is designed to ensure both the availability and security of your data, and your continuous adherence to the data privacy regulations and obligations that apply to your business. 


Strategic Support

Continuous efficiency review

Our Customer Success team continuously reviews your data lifecycle and workflows for security threats, regulatory adherence, productivity gains and cost savings, building a data strategy and making technology and/or process recommendations to fit.


Network Administration

Proactive technology management

Our Technical Account Managers ensure that your environment is suitable for your needs. Capabilities and technologies are added or adapted as required, and your adherence to your industry regulations, data privacy obligations and your own policies is continuously assured.


Data Protection

The Calligo difference

Every aspect of Calligo’s IT Managed Services is designed to ensure continuous data safety, including data security, adherence to data privacy regulations & any regulatory obligations that apply to your business.

Centralized Services

Constant network monitoring and patching

Our global award-winning team constantly monitors your network's uptime, availability and security, managing your patching routines and warranties and maintaining your backups and disaster recovery preparedness. 


Customer Service Desk

24 x 7 x 365 support

Working to industry 'best in class' response times, first call resolution rates and customer satisfaction metrics, our Customer Service Desk handles all inbound queries, support requests and service issues, based on tiered priorities and high performance SLAs.





Case study:


Doubled profitability with only 1/2 the IT costs 

How IT Managed Services from Calligo helped Mayhew double both its productivity and its profitability





Case study:


4x client growth, and total data security

Read our case study on how Calligo's managed IT and security services and cloud expertise combined to accelerate this CPA's growth



Service Guide:
IT Managed Services

Download the full background to our IT Managed Services, including the service packages on offer and how we work with you


Data Optimization Report

The quantified benefits that businesses experience from optimizing how their data flows into, through and out of their networks.



101 Benefits of Outsourcing your IT

The most comprehensive collection ever created of the potential advantages of outsourcing your IT.



We are Microsoft Gold Partners

In recognition of the quality of our service, our experience in delivering it, and the breadth of qualifications our engineers hold, we have attained the highest possible status as a Microsoft Partner.


What does this mean for you?



Quicker customer service – the engineers dealing with your queries hold the highest possible Microsoft qualifications so will be able to deal with your issues quickly and get you and your team back to full productivity faster.

Knowledge – to retain Gold Partner status, Calligo has to stay up to date with all the relevant Microsoft tools and underlying technologies, meaning you know that no matter the problem, our team can fix it.

Experience – Gold status is only awarded to partners with extensive frontline experience in deploying and maintaining the technology on behalf of clients, and in training them to use the tools most productively, so you know you’re in safe hands.

Access – Calligo and Microsoft have a close, two-way relationship, which means we can always keep you up to date on relevant, new developments coming out of Microsoft HQ.

Built on a foundation you can trust


See more about our partner accreditations and what they mean for you


Related Services



Managed Microsoft 365 Services

Make your data available everywhere your employees are, through an industry-leading, secure, cloud-based collaboration platform, delivered by experienced Microsoft Partners.



IT Managed Services for accountancies and CPAs

A proactive and strategic outsourced IT service specifically for accountancy firms and CPAs, built from decades of experience supporting businesses like yours.



Global Managed Cloud Services

Calligo has helped thousands of companies of all sizes all around the world move their entire businesses to the cloud, making their data available, secure and safe.


Contact Us

Contact our consultants to discuss how Calligo can make your data work harder for you

Send An Enquiry