Colliers One London welcomes new joiners and returning team members across the business

Jessica Flather and Ben Rainbow

Colliers’ One London team has announced two new joiners to its London Leasing team with the addition of Jessica Flather and Ben Rainbow. Alongside external hires, the team is also welcoming back both Helen Wallis and Alexandra Cooper-Parry from maternity leave this month

Jessica Flather joins as an Associate Director, bringing 14 years of experience across the capital’s office leasing landscape. Based in the West End, within the 12-strong team at Colliers, Jessica will leverage her high-service level client relationships whilst working across the Shaftesbury Capital and Cadogan Estates portfolios. She joins from Crossland Otter Hunt.

Also joining the London Leasing team is Ben Rainbow, who will take on the role of Surveyor within Colliers’ City office. Ben joins from BNP Paribas Real Estate.

Charlotte Ashton, Head of London Office Leasing at Colliers, said: “As we grow our business with several new instructions, including our recent appointment by Cadogan, it’s essential that we continue to strengthen our team so we can provide the best service to clients and respond to their rapidly evolving needs. Jessica and Ben both bring valuable experience and energy, and I’m excited about the firepower they’ll bring to our leasing offer.”

This week Colliers’ One London team welcomes back both Helen Wallis, Head of Office Lease Advisory, and Alexandra Cooper‑Parry, Associate Director in the Food & Beverage team will rejoin following their respective maternity leaves.

Paul Souber, Head of Colliers One London, commented: “These appointments and returns reflect the continued growth and momentum of our One London business. Each individual brings strong expertise, energy and a commitment to delivering exceptional service for our clients. It is great to welcome Jessica and Ben to Colliers, and to see Helen and Alex step into their next chapters with us. Their contributions will be invaluable as we continue to strengthen our market‑leading position across London.”