web design & development

Carefully considered, beautifully designed and easily managed websites

concrete5 hosting & support

Ongoing support and high performance hosting for your concrete5 website

Marketing, design and website development expertise

We bring many years marketing, design and website development expertise to all our projects. We work with clients large and small on a wide variety of projects. Here are some particular specialisms...

Beautiful mobile friendly website design

We design and build good looking and hard working websites for clients locally and further afield.

Web Design

concrete5 content management system

Katalysis is a concrete5 Certified Partner Agency and was the UK's first official concrete5 Services and Hosting Partner in 2008.

concrete5

Websites for Associations and Membership Organisations

Associations, Societies and other membership organisations have particular requirements when it comes to web design...

Association Websites

Their expertise and advice in website design is invaluable and I would highly recommend them and their services.

Tony McFarland Harpenden Directory

Glyn was fantastic - not only did he deliver the functionality we were looking for but he also came up with a design that we are absolutely delighted with. It has been an absolute pleasure to work with him.

Andrew Lund Rees Page Estate Agents

…an excellent experience during the building of our website. He has guided us, provided training, endless advice and created a really stylish and very attractive website.

ISHAM Webmaster The International Society for Human and Animal Mycology

…very responsive and most importantly enjoyable to work with. Nothing is too much trouble.

Michelle Mantle High 5 Events

We transferred our site to Katalysis recently the process was extremely quick, went without fault. Great communication, very reliable and knowledgeable.

Gary Kent St Pauls Catholic College

See all testimonials

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