Based in Hertfordshire, we specialise in creating modern, effective websites for local businesses across the county and beyond. Whether you're a startup or an established brand, we understand the needs of Hertfordshire businesses.
If you have a web design project in mind, we’d love to hear from you. We’re happy to meet in person anywhere in Hertfordshire, visit your office, or chat virtually—whatever works best for you.
Learn how we could help you and get a fully costed proposal…
If you’re searching for a web designer in Hertfordshire you're in the right place! And, that’s no accident, this ‘landing page’ has been designed to rank well for searches like yours.
This is the approach we take to all our projects – clearly identifying objectives and focusing on design solutions that deliver results.
Katalysis has been helping clients succeed online since 2000. We bring strong strategic, creative and technical skills to all projects and value friendly long-term working relationships.
Glyn Jenkins
Creative Director
Trusted By Clients in and Around Hertfordshire
We’ll work with you to unleash the full potential of your website
To create a website that truly supports your goals, we start by understanding your objectives:
Our focus is always on ensuring your site works seamlessly within your broader marketing and sales strategy.
We design and build custom websites tailored to your brand.
Your website design is not limited by an off-the-shelf theme, we can build on your existing branding or design a new visual identity.
We’ll work closely with you to understand your business and then communicate with your audience in a compelling way.
Every website we deliver is built on a strong technical foundation – ensuring optimal search engine performance and a seamless user experience that supports engagement and conversion.
We build all our websites on Concrete CMS—a powerful, user-friendly platform perfect for managing modern, dynamic websites. It makes everyday tasks like adding product pages, blog posts, or support content quick and easy.
Need eCommerce? We can integrate Shopify, use Concrete CMS Community Store, or develop a custom solution to fit your needs.
We can provide ongoing support to help you continue to develop your website and provide the reassurance that expert help is at hand when needed.
Additionally, we provide concrete CMS optimised hosting to keep your site performing at the highest level.
What Next?
Here are a couple of options to help you move forward:
In today’s multi-device world, having a responsive, mobile-friendly website is essential. That’s why our web design services in Hertfordshire focus on building sites that look great and perform flawlessly on any screen size — from smartphones to desktops. We apply modern, scalable design practices to ensure a smooth user experience across all devices. Over the years, we’ve helped numerous local businesses and individuals in Hertfordshire and the surrounding areas create sleek, high-performing websites tailored to today’s browsing habits.
We work with a variety of content management systems, but we specialise in Concrete CMS (formerly concrete5) web development due to its flexibility and performance. As Concrete CMS specialists in Hertfordshire, we build everything from e-commerce websites and membership platforms to custom business websites that elevate your brand. Whether you need a creative portfolio or a powerful marketing site, our expertise with Concrete CMS ensures scalable, user-friendly results.
As a proud part of the local business community, we provide professional web design services across Hertfordshire, Bedfordshire, and Buckinghamshire. With years of experience working with local businesses in Hertfordshire, we understand the region’s strong creative roots — from photography to artistic technology — and bring that flair to every project.
Our team of Hertfordshire web designers is ready to collaborate with you in a way that suits your needs. We’re happy to meet at your office, at a local spot, virtually, or at our own office to discuss your custom web design project in detail.
Leverage our local expertise to create a website that reflects your brand and drives results.
Being discovered by customers in your local area is a crucial part of building a successful website — and we’re here to help enhance your online presence across Hertfordshire. Through expert web design and local SEO, we can help put your business on the digital map. Whether you're based in St Albans, Harpenden, Stevenage, Hemel Hempstead, Welwyn Garden City, or Bishop’s Stortford, a sleek, responsive website with optimised content will boost your visibility and reach.
We’ve earned a strong reputation for creating unique, well-performing websites throughout Hertfordshire and the surrounding counties. If you’re seeking professional web design services in Hertfordshire, we’d love to hear from you — get in touch today to discuss your project.
Get a clear, fixed-price proposal for your new website
Complete the form and we’ll arrange a short 'Proposal Briefing' call to discuss your goals.
It’s the perfect opportunity to ask questions and understand how we build high-performance websites that rank in search and AI. We will then send your tailored proposal and scope of works immediately after.