About Castlegate IT
Castlegate IT is a web design and development company based at the Bonding Warehouse on Terry Avenue in York. Its roots go back to Semlyen IT Consultants, founded by Jim Semlyen in 2005; in 2011 it became Castlegate IT Ltd, with Richard Lane and Andy Reading joining as company directors, and by 2015 the team had grown to twelve across design, development and project management. Services cover website design, WordPress development, bespoke web applications, hosting, maintenance and support, Google Ads management and search engine optimisation.
The company maintains more than 300 websites for clients spanning national charities, academic research networks, cultural institutions, manufacturing and engineering firms, and public sector organisations, with named clients including M&S, Alcoholics Anonymous, York Museums Trust and the Humber Bridge. It states that the websites it looks after generate over £30 million in annual revenue for its clients, and it has more than 30 five-star reviews on Google. Castlegate IT publishes its mission, values and ethical policy openly, emphasising transparency and environmental responsibility, and collaborates closely with clients from the outset so every decision supports their goals.
Services
Builds WordPress websites and custom-coded bespoke web applications rather than relying on off-the-shelf products.
Designs websites around a clear purpose, working collaboratively with clients to ensure every decision supports their goals.
Manages Google Ads campaigns alongside its web builds to drive traffic and enquiries.
Provides search engine optimisation as part of its ongoing hosting, maintenance and support partnerships.
Key Facts
Frequently Asked Questions
What services does Castlegate IT offer?
Castlegate IT offers website design, WordPress development, bespoke web applications, website hosting, maintenance and support, Google Ads management and search engine optimisation.
Who does Castlegate IT work with?
Its clients span national charities, academic research networks, cultural institutions, manufacturing and engineering companies, ecommerce businesses and public sector organisations, including M&S, Alcoholics Anonymous, York Museums Trust and the Humber Bridge.
How do I get in touch with Castlegate IT?
You can email info@castlegateit.co.uk or call 01904 654036; the team collaborates closely with clients from the outset, asking questions to understand priorities before work begins.
What makes Castlegate IT different?
The company has been building websites in York since 2011 (with roots back to 2005), maintains over 300 sites that it says generate more than £30 million in annual client revenue, holds 30+ five-star Google reviews, and publishes its mission, values and ethical policy publicly.
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