About Us


Its All About A Reaction… A Digital Reaction.

When visitors are engaging with a web page they’re reacting to its many components; its functionality, the design, layout, styling, behaviour, feedback. This reaction could be positive and progressive towards your websites goals, like making a purchase. However, with so many variables its can often be tricky to get it right…

It’s our job to measure these digital reactions and find ways to improve the outcome. It doesn’t matter if your goal is to increase product purchases, receive more sales leads, boost the size of your mailing list or get more visitors to pick up the phone and call you. We apply theory to practicality, helping you reach your targets and improve the ROI of your website.

Who We Are

Reaction is a Conversion Rate Optimisation Agency and Digital Analytics Consultancy created by Barney Grossman, who, having gained a degree in Business Marketing from Brunel University has applied his logical thinking to the world of digital analytics and conversion rate optimisation. After spending 5 years working client side, he transitioned to establish the CRO and Analytics department at a large independent agency for the next two years before setting off to start up Reaction Digital.

In his own words

“When you work with Reaction, you are working with my passion, drive and commitment for what I love… delivering the best results”

Why work with us?

  • Ridiculously good ROI
  • Recognised specialist in our field
  • Diverse experience and knowledge
  • We’re an extension of your team
  • Above all… we want you to win

Want to work with us?