About Us

Over 50 years combined experience

Our lead consultants are former senior business, data and statistics experts from the consumer champion Which?.

With more than 50 years combined experience, we enjoy innovatively solving business problems and implementing actionable data and analytics solutions for our clients.

Team Members Contact Us

Team Members

Dr Paul Brown

Paul is a former Statistics Manager at Which? and has worked as their chief external statistical consultant for over ten years. He has a PhD in Mathematics, an MSc in Applied Statistics, and has taught Mathematics, Statistics and Data Science at three different universities. With more than 20 years experience in the field, he has developed numerous statistical methodologies, algorithms and applications for the various companies he has worked for, many of which are still being used regularly today.

Paul has a proven ability to apply his in-depth knowledge of theoretic mathematics and statistics to solving problems in the real world. This includes building sophisticated, interactive models, enabling clients to control and optimize multi-million pound marketing campaigns.Outside of work, Paul can often be found cheering (or shouting) at the TV whenever Spurs are playing. To relax, he likes spending time with his family, gardening, playing the piano and getting involved in his local community.

Andrew Bannister

Andrew is a former Head of Business Analysis & Data at Which?, and has over 25 years of Business Analysis, Marketing and data experience. Andrew successfully transformed Which? magazine’s analytical capabilities and customer knowledge, building and developing their data sources (customer, CRM, call centre, online, geo-demographic, transactional, survey, financial). Andrew is particularly skilled at translating the needs of the end user into practical, user-friendly solutions.

He has extensive experience in measuring the effectiveness of marketing activity and how to use financial metrics and business modelling to optimize it.​In his spare time Andrew is a keen cyclist and enjoys exploring the UK, both pastimes which allow him to indulge his other passions of cake and beer.

Dr Nik Vaklev

Nik is a professional software developer of enterprise solutions. In 2018, he founded Techccino Ltd focusing on data visualisation for BI. In 2020, he partnered with JumpData to deliver bespoke business applications. Prior to Techccino, Nik worked as a consultant guiding customers through digital transformations at Concentra Analytics. He has a PhD in experimental physics focusing on organic semiconductors.


In his spare time, you can find him rowing on Wannsee in Berlin, Germany. He speaks five languages and likes traveling.