Browse top managed IT services in London, helping businesses improve system reliability, strengthen cybersecurity, and support day-to-day operations. Compare experienced IT firms by technical expertise, support options, and industry focus to find the right partner.

List of the Best Managed IT Services Providers

63 Companies - Rankings updated: August 25, 2026

All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.

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  • 1st IT

    Making Technology Simple

    Making Technology Simple

    1st-IT is a London-based IT support and managed services provider established in 2000. We help SMBs and charities across London with IT support, cybersecurity, cloud services, and Cyber Essentials certification. With over 25 years of experience, we deliver fast, reliable, and cost-effective technology...

    Top Services:

    • Managed Services
    • IT Compliance Solution
    • IT Services
    • Cybersecurity
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (4)

  • Website Helper

    Keep Your Site Secure, Optimised and Up to Date.

    Keep Your Site Secure, Optimised and Up to Date.

    Website Helper is a specialized technical support agency dedicated to serving small businesses. We provide expert assistance to ensure your digital operations run smoothly and efficiently...

    Top Services:

    • Managed Services
    • Web Development
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
    View Profile

  • EFutures

    Bespoke Software Solutions

    Bespoke Software Solutions

    EFutures is a award winning software product engineering company. We have delivered bespoke software solutions to clients globally for the past 25 years. More recently we have added AI driven innovations to our service offerings empowering business to propel forward...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Cloud Consulting
    • Cybersecurity
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    View Profile
    4.3 4.3 (104)

  • a1qa

    Your helping hand in software quality

    Your helping hand in software quality

    a1qa, a global pure-play QA and test automation provider, brings over 20 years of expertise in delivering quality assurance and software testing services. The organization adjusts its workflows to comply with ISO 9001/27001 standards...

    Top Services:

    • Software Testing
    • Managed Services
    • IT Services
    • Staff Augmentation
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    16 Projects Listed
    View Profile
    4.9 4.9 (10)

  • Data-Entry-India.com

    Powering Business Intelligence with AI-Driven Data Support

    Powering Business Intelligence with AI-Driven Data Support

    Data-Entry-India.com is a global Data & AI operations partner. Serving 3,850+ clients across 50+ countries, we specialize in enterprise data operations, AI training data services, digital commerce data support, data research and intelligence services, and document and content-related support...

    Top Services:

    • Big Data Analytics
    • BPO
    • AI Development
    • Managed Services
    • Business Consulting
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    4.6 4.6 (3)

  • Perimattic

    Your Digital Partner for Project Success.

    Your Digital Partner for Project Success.

    Perimattic is a technology partner specializing in AI development, software development, cloud solutions, DevOps, MLOps, and enterprise technology services. The company helps startups, growing businesses, and enterprises build secure, scalable, and high-performance digital solutions...

    Top Services:

    • AI Development
    • DevOps Consulting
    • Cloud Consulting
    • Software Testing
    • Software Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    View Profile
    4.3 4.3 (1)

  • SYSTEM ADMINS PRO

    Cloud computing is our future

    Cloud computing is our future

    We design, implement and maintain infrastructures using cloud providers: Microsoft Azure, Amazon, Google Cloud...

    Top Services:

    • IT Services
    • Big Data Analytics
    • Cloud Consulting
    • Cybersecurity
    • Managed Services
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    View Profile

  • Testhouse

    A Software Quality Assurance, Testing & DevOps Company

    A Software Quality Assurance, Testing & DevOps Company

    Established in 2000, Testhouse is a global, independent, technology agnostic Software Testing and Quality Assurance company based out of London, UK with operations in the Middle East, USA, Australia, New Zealand and India...

    Top Services:

    • Cybersecurity
    • IT Services
    • Managed Services
    • Software Testing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    View Profile
    4.6 4.6 (7)

  • QA Mentor

    We don't just test. We make your products successful.

    We don't just test. We make your products successful.

    QA Mentor is a multi-award-winning global software testing and quality assurance company headquartered in New York, with a team of 400+ QA experts. CMMI Level 3 appraised, ISO 27001, 9001, and 20000 certified. With over 100 global awards and recognitions, serving 400+ clients in 28 countries...

    Top Services:

    • Software Testing
    • AI Development
    • Staff Augmentation
    • Managed Services
    • DevOps Consulting
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile
    4.8 4.8 (5)
    4.9 4.9 (40)

  • Top Remotely

    Top 1% Tech Talent with 1500+ In-house Developers

    Top 1% Tech Talent with 1500+ In-house Developers

    We don't just build software at Top Remotely we create solutions that work, scale, and impress. With a powerhouse team of 150+ in-house developers, we turn complex challenges into seamless digital experiences. Whether you need custom software, enterprise platforms, or next-gen IT solutions, we bring the Top...

    Top Services:

    • Mobile App Development
    • Software Development
    • DevOps Consulting
    • IT Services
    • Web Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    500 - 999
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • Whitesol Technologies

    Providing Affordable Quality IT Services & Solutions for All Your Business Needs

    Providing Affordable Quality IT Services & Solutions for All Your Business Needs

    Whitesol Technologies is a group of IT professionals that focuses on adding value and solving business challenges through the delivery of modern IT services and solutions...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • SEO
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    8 Projects Listed
    View Profile
    5.0 5.0 (3)

  • Dreams Technologies

    We Turn Your Ideas Into Reality.

    We Turn Your Ideas Into Reality.

    Software development and IT consulting company built by technology enthusiasts. We focus on delivering an excellence of work for our customers...

    Top Services:

    • Web Development
    • WordPress Website Design
    • Software Testing
    • Mobile App Development
    • Software Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $17/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (6)

  • OnlinXP

    Simplifying Your Journey To The Internet World.

    Simplifying Your Journey To The Internet World.

    At OnlinXP, we believe in the transformative power of the digital world. Since our inception in 2016, we have been on a mission to empower businesses, entrepreneurs, and individuals to thrive in the ever-evolving online landscape. Headquartered in the bustling metropolis of New Delhi, India, our team of...

    Top Services:

    • Digital Services
    • Web Design
    • UI/UX Design
    • eCommerce Development
    • Web Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.3 4.3 (1)
    4.7 4.7 (12)

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