About Our Team
The History of CalcVAT
CalcVAT was established with the objective of delivering a reliable and accurate VAT calculation tool for businesses and accounting professionals across the UK. Recognizing the need for a platform that went beyond basic calculations, our founders set out to create a comprehensive resource that combines cutting-edge technology with expert financial guidance.
Since its inception, CalcVAT has continuously evolved to meet the demands of modern businesses, ensuring that users receive both robust calculation capabilities and professional insights into VAT compliance and management.

Sharon Gillespie
Senior Financial Advisor & Company Director
Sharon Gillespie is a distinguished accounting professional with over thirty years of experience in the industry. She holds a Bachelor’s degree in Accounting and is a Fellow of the Association of Chartered Certified Accountants as well as the Institute of Accounting Technicians Ireland.
In her role as a Company Director and Senior Financial Advisor for CalcVAT, Sharon is responsible for ensuring the platform’s financial integrity and compliance with industry standards.

John McCullough
Developer, DramaLlama Ltd
John McCullough is an experienced software developer with a strong background in corporate software development. He holds a Bachelor’s degree in Computing Science and a Master’s in Games Programming. John has led the technical development of the CalcVAT platform, ensuring its robustness, security, and accuracy.
His approach is characterized by rigorous attention to detail and a commitment to excellence, qualities that are integral to delivering a reliable VAT calculator.