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Denis O'Sullivan

dosullivan@ashdowngroup.com LinkedIn

Sales Director

Commercial recruitment leader | Executive search specialist | Workforce strategy expert

Denis O’Sullivan is Sales Director at Ashdown Group and has more than 20 years’ experience helping organisations attract, recruit and retain exceptional talent. As a member of the senior leadership team, Denis leads Ashdown Group’s recruitment function while helping shape the company’s commercial strategy and long-term client partnerships.

Throughout his career he has advised organisations ranging from growing SMEs to major UK employers on recruitment strategy, workforce planning and leadership hiring. Known for his commercially focused approach, Denis works closely with business leaders to develop recruitment solutions that support organisational growth while building long-term relationships founded on trust and consistent delivery.

Alongside his leadership responsibilities, Denis has extensive executive search experience, successfully delivering senior appointments across a broad range of sectors. He also brings significant expertise in contractor recruitment, IR35 governance and the delivery of recruitment solutions for major technology and digital transformation programmes. His experience supporting organisations through complex software implementations and organisational change provides valuable insight into the workforce challenges faced by modern employers.

Denis writes about recruitment strategy, commercial leadership, executive hiring, contractor engagement, workforce planning, digital transformation and the future of recruitment.

Areas of expertise

  • Recruitment Strategy
  • Commercial Leadership
  • Executive Search
  • Workforce Planning
  • Leadership Hiring
  • Contractor Recruitment
  • IR35 Governance
  • Digital Transformation
  • Recruitment Operations
  • Client Relationship Management

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