Kontor Services Office Leasing Website kontor.com Get exclusive Kontor updates on your email Property enquiry Service offer Product offer Subscribe Kontor News News from the company + Post news Show all Buildings Show all buildings Yarnwicke City EC4N Completion Collins has completed the renovation and extension of Yarnwicke office building on Cannon Street in the City of London EC4.Formerly known as Sherborne House, the newly... 15.01.2023 Completion 2022