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Simon Armstrong

Associate Director
Accountancy & Advisory
Simon Armstrong | Affinia

Associate Director

Simon is FCA qualified with over 20 years’ experience working with owner-managed businesses and SMEs across a range of sectors. He joined the Halstead office in August 2026 to lead the office’s Accounts service line offering. He trained at a local firm in Essex, before working in London gaining exposure to clients ranging from software start-ups to UK subsidiaries of international groups.  

Simon enjoys working closely with business owners to understand what drives them and then providing the tailored support needed to alleviate the stress and workload, allowing them to focus on their business and personal objectives.  

Outside of work Simon is kept busy playing taxi driver for three young sons and coaching a grass-roots youth football team.