Quick facts
  • What we do:
    Software Lifecycle Automation
  • Year established:
  • Website:
  • Contact
    • 1E Ltd , CP House 97-107 Uxbridge Road , London, W5 5TL

About 1E Limited

It’s 1E’s simple mission to enable their customers to automate the full software lifecycle across their business.
Their customers get rid of unused software and unnecessary servers and reduce network bandwidth while providing their users with the software they need on tap. 1E has to date cut CO2 emissions by 12.4 million tons.

1E are headquartered in London, with regional offices in New York, Dublin, and New Delhi, and employ 250 staff. The firm have deployed more than 26 million licences worldwide, helping 1,700 organisations in 42 countries work more efficiently, productively and sustainably.

1E was formed in 1997 by former Microsoft colleagues Sumir Karayi, Mark Blackburn and Phil Wilcock. Sumir remains at the helm as Chief Executive Officer while Mark holds the title of Chief Information Officer.

Customers include Verizon Wireless, Ford Motor Company, the US Department of Veterans’ Affairs and the UK Department of Work and Pensions.

What is it like to work for 1E Limited

Giving Something Back
Giving Something Back
1E are the primary funders of the Fair Chance Foundation, improving the lives of disadvantaged children and young adults through education. The foundation directly funds children and promotes education as a means to a better life.
My Company
My Company
1E put four values at the heart of everything they do and how their people interact with each other and the wider world: intellectual curiosity, subject-matter expertise, belonging to the 1E community and no compromise on delivery.
Fair Deal
Fair Deal
The ‘Lightning Strike Aware’ programme recognises team members who have done something special. Individuals receive a gift card, with no limit on recognition. All staff are eligible, except for the Executive Management Team.

Learn more about the 8 factors of workplace engagement here


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  • Maternity

    At least 10 weeks’ full pay or generous alternative

Company Statistics

  • UK sites:


  • Staff Turnover:


  • Average Age:


  • Male : Female:

    77% / 23%

  • Earning £35,000+:


  • Staff:


Regional Engagement

In the press


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