Which ATS?
Of the Top 100 retailers reviewed 58% use an Applicant Tracking System (ATS) but of the Top 40 sites that passed Stage I, 87% use an ATS.
Of the three overall winners 66% (2 of 3) use an ATS; so an ATS is clearly being used by the majority of retailers.
Full details of all ATS vendors being used are detailed in the Top 100 report.
Peopleclick is used by overall winner The Body Shop

Peopleclick provides software and services that empower companies around the world to find, attract and hire quality people - in less time, with less risk. They offer technology, consulting expertise, and support that give companies the vision to see, and the flexibility to manage, their entire staff whether it be salaried, hourly, or contingent. Focused exclusively on the unique needs of the talent acquisition industry, Peopleclick has the extensive experience and proven technology necessary to help companies successfully manage this business-critical process. A privately-held company, Peopleclick serves 1,800 current clients in 192 countries, including 54 of the Fortune 100.
Jobpartners is used by best apply category winner Three

Jobpartners is one of Europe's leading provider of solutions which help organisations rapidly develop, execute and evolve effective people management strategies. They enable organisations to attract, develop and retain the people they need, adding significant value to the organisation and its people management processes. With over 70 enterprise customers, which deploy its solutions in more than 45 countries, Jobpartners has gained a worldwide recognition for its ability to support organisations in the management of its candidates and employees.
Bond Talent sponsored most accessible site category

Bond International Software is a worldwide provider of human capital management software solutions. Recognised as a global market leader in staffing software for corporations and recruitment consultancies of all sizes, Bond provides talent management, recruitment, payroll and HR solutions to both the public and private sector.
Designed specifically for corporate organisations, Bond Talent is a powerful and versatile web based application that manages the complete recruitment lifecycle of attracting, hiring and retaining talent. Incorporating e-Recruitment, Talent Management and Applicant Tracking functionality, Bond Talent offers organisations a truly flexible software solution that is tailored to their individual requirements and ways of working.
Through the provision of their Total Talent Management Solutions, Bond Talent is enabling businesses across the globe to reduce their overall cost per hire and enhance the strategic capability of their in-house resourcing teams. Everyday Bond Talent improves efficiency and profitability to help drive organisations forward.
