About Us

speechmark Established in 2014, Wandsworth is recognised as a leading specialist in capital allowances and R&D. speechmark

With a wealth of experience, we are well equipped to support clients of all sizes in all sectors. We have managed property portfolios and construction contracts for some of the largest companies in the UK. Over the years our directors have held Head of Department roles at international real estate practices, leading boutique tax firms, large surveying companies and held senior roles at Big 4 accountancy practices. We offer vast experience on all types of properties and a proven approach to producing claim reports so that HMRC have all the information they need to sign off quickly with minimal questions.

Patrick Knight


Patrick founded Wandsworth in 2014. He has worked at leading boutique tax firms and international surveying practices. He manages capital allowances projects for some of the largest property companies in the UK. Patrick is highly experienced in this sector with an excellent understanding of all capital allowances matters from fit out and refurbishments to new build construction within all sectors. He combines his specialist capital allowances background with experience of working within real estate companies to provide a unique and sought-after skillset that adds significant value to clients.

Jonny Brewster


Jonny has over 15 years' experience of tax reliefs, starting in Capital Allowances and qualifying as a Chartered Tax Advisor, before his background as a scientist and computational modeller drew him to R&D tax relief. He spent a decade within the Big4, helping the largest global businesses with a UK footprint, before moving into a smaller practice focused on start-up and scale-up businesses. His experience and pragmatic advice is recognised by his clients and his work has supported publications in Taxation magazine.

Justin Lyon Taylor


Justin joined Wandsworth in 2024 having previously headed up one of the Big 4’s Real Estate Capital Allowances Team. As a Chartered Surveyor who is also tax qualified, Justin has supported a range of clients across the property sector, from institutional investment funds through to individual private investors. He has a particular skill in providing practical advice on property transactions. As well as his property experience, he has worked with a number of FTSE 100 companies to improve their capital allowances processes, delivering savings on both time and cost for those clients.

Simon Skinner

Associate Director

With 20 years’ leading experience in Capital Allowances, Simon has accrued substantial hands-on experience and developed a significant reputation within the Capital Allowances sector. He has written many technical articles, most notably for Taxation Magazine, and sat on advisory boards with the Confederation of British Industry.

Emily Cleaver

Capital allowances consultant

Emily has been specialising in capital allowances with Wandsworth for three years having previously provided advice in the wider real estate sector for an international real estate advisory practice. She brings an exceptionally high-quality eye for detail to all project work and is a valuable member of our project team.

About Us

Recognised as a market leader in capital allowances and R&D.