IT Support London
CloudHost is headquartered at 37 Lombard Street, in the heart of the City of London. We provide managed IT support, cybersecurity and Microsoft 365 services for London businesses - from City law firms and financial services companies to SMEs across the capital. Local engineers, enterprise-grade service, without the enterprise price tag.
London Businesses Demand
IT That Matches Their Ambition
London businesses operate at pace and under pressure. Clients expect immediate responsiveness. Regulators expect demonstrable data governance. Insurers increasingly expect cyber maturity as a condition of coverage. Your IT support needs to match the standards your business operates to - not lag behind them.
Based in the City of London
Our registered office is at 37 Lombard Street, EC3V - in the historic heart of London's financial district. Our London engineers cover the City, Canary Wharf, West End, Southwark, Shoreditch and across Greater London, with fast onsite response times when you need someone in person.
Built for Regulated London Industries
London's professional services, financial services and legal sectors operate under some of the strictest regulatory frameworks in the world. We build and manage IT environments that are FCA-aware, SRA-aligned and GDPR-compliant - so your IT doesn't create regulatory risk.
IT That Scales With London Growth
London businesses grow fast. New starters, new offices, new clients - your IT infrastructure needs to scale on demand. Our cloud-first approach means adding capacity, users and functionality happens in hours, not weeks.
IT Expertise for
London's Most Demanding Sectors
Financial Services & Fintech
London is the world's leading financial centre. FCA-regulated firms - wealth managers, IFAs, boutique investment firms, fintech businesses - need IT infrastructure that meets regulatory requirements for data security, business continuity and audit trails. We build environments designed for financial services compliance, with cyber insurance renewal support included.
Legal & Professional Services
London's legal sector ranges from Magic Circle firms to niche boutiques and sole practitioners. All handle highly confidential client information subject to SRA requirements and strict professional obligations. We provide SRA-aware IT environments with encrypted communications, access-controlled document management and Cyber Essentials certification to satisfy the increasing demands of corporate clients.
SMEs & Scale-Ups
London's SME community is one of the most dynamic in the world. Growing businesses need IT that scales with them - cloud-first infrastructure, remote working that actually works, and a managed IT partner who can act as a de facto CTO and IT department for businesses that don't yet have one in-house.
Enterprise IT Services
at SME Prices
IT Helpdesk London
Under 15-minute response from UK-based engineers. Your London team gets fast, knowledgeable IT support without hold queues or offshore call centres.
Learn more →Outsourced IT London
Your complete IT department for a predictable monthly fee. Particularly valuable for London businesses that want enterprise IT capability without the enterprise headcount cost.
Learn more →Cybersecurity London
London businesses are disproportionately targeted by cyber criminals. EDR, email security and 24/7 threat monitoring protect your clients, your reputation and your regulatory standing.
Learn more →Cyber Essentials London
CE and CE Plus certification - increasingly required by London's corporate and public sector supply chains. We guide you through the process in weeks, not months.
Learn more →Microsoft 365 London
M365 migrations, licensing and full tenant management. Properly configured, security-hardened and optimised - not just licences sitting unused.
Learn more →Onsite IT Support London
London engineers for office moves, hardware installations and anything that requires a physical presence. City, Canary Wharf, West End, Southwark and beyond.
Learn more →IT Support Across London
Outside these areas? Get in touch - we cover all of Greater London.
IT Support London -
Common Questions
What London businesses ask us most.
Where are you based in London?
Our registered office is at 37 Lombard Street, London EC3V 9BQ - in the City of London, close to Bank, Monument and Liverpool Street stations. Our London engineers are based across the capital for fast response times throughout Greater London.
Do you support FCA-regulated businesses in London?
Yes. We regularly work with FCA-regulated firms including independent financial advisers, wealth managers and fintech businesses. We understand the data security, business continuity and audit requirements that FCA regulation and cyber insurance policies require. We also support Cyber Essentials certification, increasingly expected by regulatory bodies and insurers.
Can you support our London law firm?
Yes - legal IT is one of our specialisms. We build SRA-aware IT environments for London legal practices, covering encrypted email and document management, access-controlled data handling, Cyber Essentials certification and GDPR-compliant data governance. We work with firms of all sizes, from sole practitioners to mid-sized partnerships.
How quickly can you get an engineer to our London office?
For urgent incidents, our London engineers can typically attend the same day. For planned work - office setups, network installations, new hardware - we schedule at a time that suits you. Remote support is available in under 15 minutes throughout business hours.
Is managed IT support worth it for a small London business?
Yes - particularly in London, where the cost of IT downtime and data breaches is higher than almost anywhere else in the UK. Managed IT replaces unpredictable break-fix costs with a fixed monthly fee, and proactive monitoring means most issues are resolved before they impact your team. The productivity gain alone typically exceeds the cost.
IT Support at the Heart
of London Business
Book a free IT review with a CloudHost engineer. We'll assess your London business's IT setup, identify risks and show you what properly managed IT looks like - from our City of London base to your door.