Discover top IT services companies in London that have partnered with leading brands like McDonald's and Coca-Cola. DesignRush connects over 1M monthly visitors with trusted agencies, facilitating over 100,000 successful client-agency matches each month. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United Kingdom × London ×
  • Project services and outsourcing solutions

    Project services and outsourcing solutions

    We make sure to establish a long-term operational structure with you when we create a customized technology solution for you so that our solution becomes deeply ingrained in the implementation plan's DNA...

    Top Services:

    • UI/UX Design
    • Web Design
    • Web Development
    • Software Development
    • Mobile App Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
  • Get ahead of the competition

    Get ahead of the competition

    On a transformational day in 2016, Virtusa Corporation joined forces with Polaris Consulting & Services Limited to form the powerful new brand - VirtusaPolaris. With this union, we have combined diamond-sharp software engineering skills and deep industry knowledge that is sure to unlock groundbreaking...

    Top Services:

    • Call Centers
    • Customer Support
    • Cloud Consulting
    • UI/UX Design
    • Web Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Elevating Business Through SAP Excellence"

    Elevating Business Through SAP Excellence"

    At GlobalVox, we're your companions in the SAP journey, offering proven managed IT solutions. With over 20 years of experience, we uplift businesses by modernizing IT, ensuring security, and enabling flexibility...

    Top Services:

    • Mobile App Development
    • Blockchain
    • AI Development
    • Software Development
    • Web Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
  • Growth, Engineered.

    Growth, engineered. Net Solutions treats our clients' growth as an engineering problem and builds the software that solves it: Commerce Systems, digital platforms, and SaaS products. Founded in 2000, headquartered in Chandigarh, India, with offices in Toronto, London, New York, and Los Angeles...

    Top Services:

    • eCommerce Development
    • Web Development
    • Web Design
    • UI/UX Design
    • AI Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    250 - 499
    Minimal Budget
    $25,000 - $50,000
  • Building Logic, Bridging Success

    Building Logic, Bridging Success

    Where innovation meets collaboration to turn dreams into reality. Join us on a transformative journey in technology and consulting...

    Top Services:

    • Web Development
    • WordPress Website Design
    • AI Development
    • Mobile App Development
    • Software Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
  • We build the software and the tech teams behind it.

    We build the software and the tech teams behind it.

    Cognivise is a London software development company. We build custom software, web applications and online stores, and put together dedicated engineering teams when a business needs more developers than it can hire in time. Clients work directly with experienced people, keep ownership of their code and get...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • SEO
    • Content Marketing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
  • Human-Reviewed AI Development Company

    Human-Reviewed AI Development Company

    Velocity is an established AI Development Agency based in London, with a vision to help businesses architect, build and scale intelligent AI solutions that deliver measurable results and create lasting competitive advantage. We believe AI should solve real business problems, not create new ones...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • AEO
    • AI Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
128,842+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
307

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.

Frequently Asked Questions

What types of IT support can London IT support companies provide day to day?

London IT support companies handle the daily tech issues that keep a business running smoothly. Their day-to-day support services include: 

  • Help desk support 
  • Device setup and troubleshooting 
  • Network monitoring 
  • Software updates 
  • Security monitoring 
  • Email and account management 
  • Backup checks 
  • Remote and on-site technical support 

How do IT services companies in London improve security and reduce risk?

IT services companies in London improve security by tightening your systems, reducing weaknesses, and watching for threats in real time. They also put controls and backups in place so issues don’t turn into major losses.  

  1. Continuous monitoring 
  2. Patch and update management 
  3. Firewall and antivirus management 
  4. Access control and permissions checks 
  5. Data backup and recovery planning 
  6. Employee security training 
  7. Incident response support 

What certifications should an IT services company in London have for compliance?

An IT services company in London should hold certifications that prove it meets strict security and compliance standards: 

  • ISO 27001 shows it manages information security correctly 
  • Cyber Essentials or Cyber Essentials Plus confirms that it protects against common cyber threats 
  • ISO 9001 helps prove quality management 

Some companies also carry sector-specific compliance, like GDPR readiness or PCI DSS, if they handle payments. 

How fast can a London IT support company respond to outages or incidents?

Most London IT support companies respond within minutes for critical outages. Many offer guaranteed response times under an SLA, often 15 to 60 minutes depending on the plan. 

High-priority incidents usually get immediate remote attention. On-site support can arrive the same day when needed. The exact speed depends on your service level agreement.

What is included in a standard IT support package from a London provider?

A standard IT support package from a London provider covers the core services a business needs to stay operational. 

  • Help desk support 
  • Device setup and troubleshooting 
  • Network monitoring 
  • Patch and update management 
  • Security tools management 
  • Backup monitoring 
  • User and email management 
  • Remote and on-site supportÂ