WordPress websites.WP Engine Certified.

We’re a leading WordPress development agency specialising in 100% bespoke, custom-built WordPress sites and WooCommerce eCommerce builds. We’re an accredited WP Engine Partner Agency based in Hertfordshire building B2B and B2C websites.

WordPress developers

We build flexible, scalable WordPress sites drawing on decades of experience. We're WP Engine Certified.

WooCommerce websites

We're a whizz with eCommerce sites building online stores that attract customers and drive sales.

HubSpot integration

We integrate the HubSpot CRM platform, along with CRM tools such as MailChimp as lead-gen magnets.

Bootstrap and ACF Pro

We use industry-leading frameworks such as Bootstrap and ACF Pro as our core WordPress tech stack.

Hertfordshire WordPress developers. 100% WP Engine Agency Certified.

Submerge is your go-to for all things WordPress. Equally adept at working within WooCommerce, HubSpot, Bootstrap and the expansive WordPress ecosystem, we’re the Hertfordshire WordPress development agency you need on your side.

Web platforms are the building blocks of your online presence. They’re the software frameworks used to set up and manage everything from blogs to eCommerce sites. Having the right platform means a website that’s easy to manage, reliable, and can grow as your business does.

We help businesses find the right platform for their needs. Whether that’s a straightforward CMS development like WordPress for content-heavy sites or specific e-commerce platforms like Shopify and WooCommerce, we guide you through the options. We make sure you’re set up for success from the start, ensuring your site works efficiently and meets your business goals.

SEMrush Agency Partner

We’re a fully Certified SEMrush Agency Partner – giving you a fast track to tried and tested SEO experts.

WP Engine Agency Partner

We’re a Certified WP Engine Agency Partner delivering professional SEO-ready web development at scale.

Cyber Essentials Certified

We’re Cyber Essentials Certified and part of HMG’s Communication Marketplace for UK public procurement.

We work with brilliant brands

WordPress Development

Website development with WordPress is a cornerstone of what we do at Submerge. As a versatile and widely supported content management system, WordPress empowers us to build tailor-made websites that meet your unique needs. Its flexibility allows for customisation that truly echoes your brand’s identity, while its power enables us to create robust, secure, and SEO-friendly sites.

In harnessing the capabilities of WordPress, we deliver not only aesthetically pleasing web designs but also functionality and user experience that resonates with your audience. We code with ACF Pro, PHP, JavaScript, CSS and HTML – 100% tailored to you.

  • WordPress is the world's leading web development platform.
  • Get flexible, accessible and secure web development.
  • Extend your site for marketing, eCommerce and brand visiblity.

HubSpot CRM Integration

Submerge uses HubSpot to fuel your digital success and manage CRM. This all-in-one marketing platform lets us manage your content, SEO, social media, and email marketing strategies under one roof.

It’s not just about attracting visitors, it’s about converting them into loyal customers and fostering ongoing engagement. HubSpot provides rich insights and data-driven performance metrics, ensuring your marketing efforts are always centred around your audience’s needs and preferences. With Submerge and HubSpot, inbound marketing becomes more than just a strategy, it’s a growth catalyst for your brand.

WooCommerce Integration

When it comes to eCommerce solutions, Submerge uses WooCommerce – the world’s most popular open-source eCommerce platform. Integrated with WordPress, WooCommerce offers a seamless shopping experience on your website. It’s versatile, offering endless customisation options to match your brand and products. It’s also secure, providing both you and your customers with peace of mind during transactions.

With WooCommerce, you can showcase products, manage inventory, handle shipping, execute secure payments and more. We’re WP Engine Agency Partners, so you can rest assured you’re getting professional, accredited WordPress expertise.

  • Reduce lost sales at checkout and improve sales conversion rates.
  • Reassure with bullet-proof site security and data protection.
  • Harmonise paid advertising with effective retargeting.

Bootstrap Framework

Submerge ensures your website always looks its best, regardless of the device it’s viewed on, by utilising Bootstrap for responsive design. As a comprehensive toolkit, Bootstrap provides a flexible grid system, allowing us to create a streamlined and consistent design across all devices.

It’s not just about aesthetics, but about ensuring an optimal user experience whether your audience is accessing your site via a desktop, tablet or smartphone. With Submerge and Bootstrap, your website’s design isn’t just responsive, it’s a fluid digital experience tailored for every screen.

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We don’t just work with WordPress. We make WordPress work for you.

Making full use of the versatility of WordPress, together with WooCommerce’s ecommerce might, we craft websites that do more than just exist online. HubSpot and Bootstrap? They’re vital tools in our digital arsenal, utilised to their full potential in service to your brand. No wonder we’re WP Engine Certified.


WordPress is used on over two in every five sites on the Web.


One in five WordPress sites use WooCommerce for online stores.


The annual growth of WordPress as a website platform.


The number of attacks blocked by security tool WordFence in 2023.

“I’ve been hugely impressed with the expertise of the Submerge team."

Tracy Seward, Marketing Manager, Praxis42

Expert, friendly, on-your-side WordPress web developers.

We're based in our dedicated web development studio in Old Hatfield, next to Hatfield House. We build fantastic WordPress sites for SMEs, government and global brands.

  • Cyber Essentials Certified.
  • WP Engine Certified.
  • SEMrush Agency Partners.

WordPress stands as the most popular content management system globally, powering a significant proportion of websites. Its real charm? Flexibility, user-friendly interface and scalability. But to unlock its full potential, you need experts who understand its intricacies. That’s where Submerge comes in.

As an experienced WordPress development agency, Submerge offers expertise and insights that come from years of navigating the WordPress landscape. Our team stays updated on the latest trends and security protocols, ensuring your website stays fresh, safe and effective.

We use WordPress not just as a platform, but as a powerful tool combined with WooCommerce for ecommerce, HubSpot for marketing and Bootstrap for responsive design. This integrated approach makes your website a strong and seamless digital presence.

Choosing Submerge means choosing a WordPress agency that’s committed to transforming your website from just another URL to a compelling brand story. So, are you ready to experience the benefits of WordPress with Submerge? Let’s dive in.

eCommerce Web Design FAQs

WordPress is much more than just a content management system – it’s the digital canvas of the modern web.

Powering over a third of the internet, it’s a flexible, scalable platform that allows both amateurs and professionals to create and manage websites with ease. From minimalistic blogs to complex eCommerce stores, WordPress is the engine that brings countless online visions to life.

It’s user-friendly, SEO-ready, and boasts a global community of users and developers. In essence, WordPress is the gateway to your online presence, offering you the tools to craft, curate, and captivate in the digital space.

Find out more at WordPress.

WooCommerce is a powerful eCommerce solution built to seamlessly integrate with WordPress. It’s the toolkit that turns your website into a thriving online store.

With unrivalled customisability, WooCommerce allows you to sell anything, anywhere – from physical products to digital downloads, services, and more. It provides you with complete control over your store, handling everything from inventory management to shipping settings, taxes and secure payments.

WooCommerce is your digital storefront, equipping you with everything you need to conduct business in the online marketplace.

Find out more about WooCommerce.

HubSpot is your all-in-one inbound marketing powerhouse. Designed to attract, engage, and delight customers, it’s a comprehensive platform that brings together a suite of marketing, sales, and service tools.

From content creation, social media management, and SEO, to lead generation, email marketing, and customer relationship management, HubSpot has it covered. It’s the command centre for your inbound marketing efforts, providing rich analytics and insights to refine your strategies and drive growth.

HubSpot is the engine that fuels your digital marketing journey, turning visitors into leads, and leads into loyal customers.

Find out more about HubSpot.

Bootstrap is the toolbox for your responsive web design needs. It’s a free, open-source framework that enables developers to create websites and applications that look great and function flawlessly on all devices, from desktops to mobiles.

Bootstrap offers a grid system for flexible layouts, pre-designed components for efficiency, and JavaScript plugins for enhanced functionality. It’s designed for simplicity, allowing for faster, more consistent web development. Essentially, Bootstrap is your key to a responsive, mobile-first web design, ensuring an optimal viewing experience for your audience on any device.

Find out more about Bootstrap.

WordFence is your digital fortress when it comes to WordPress security. It’s a comprehensive security plugin for WordPress websites, acting as the frontline defence against various online threats.

WordFence offers a suite of features including firewall protection, malware scanning, and login security. It constantly monitors your website for suspicious activity, blocks brute force attacks, and alerts you to any potential security breaches.

WordFence is the gatekeeper of your WordPress site, providing robust protection so you can focus on what you do best – running your business.

Find out more about WordFence.

Cloudflare is your umbrella for a secure, efficient, and high-performing web experience. It’s a global network designed to enhance the speed and security of your website.

Cloudflare provides various services including content delivery network (CDN) services, DDoS protection, and secured DNS. It speeds up your website by caching content and serving it from servers closest to your visitors, while also protecting your site from malicious activities.

Cloudflare is your fast lane to a more secure and high-performance online presence.

Find out more about CloudFlare.

LiteSpeed is your turbo boost in the digital realm. It’s a high-performance, lightweight server technology that accelerates your website’s load times, improves web performance, and enhances user experience.

It’s known for its ability to handle high traffic, defend against DDoS attacks, and offer compatibility with commonly used web platforms like WordPress. LiteSpeed also supports HTTP/3 and QUIC protocols for optimal speed. Submerge uses LiteSpeed to boost load times, shrink files and keep your site smashing those Core Web Vitals.

Find out more about LiteSpeed.

BrowserStack is our platform for cross-browser testing. It’s a cloud-based web and mobile testing platform that provides developers the ability to test their websites and apps on multiple operating systems and mobile devices.

BrowserStack simulates real-world user experiences, offering insights about how your website performs across different browsers, screen sizes, and resolutions. It caters to a broad spectrum of testing needs – be it interactive, automated, or live testing. BrowserStack is our eyes and ears across digital devices, ensuring your website or app shines, everywhere.

Find out more about BrowserStack.

Bitbucket is our collaborative hub for code development and management at Submerge. It’s a Git-based version control repository hosting service, designed to facilitate seamless collaboration between development teams.

Bitbucket allows you to plan, collaborate on, test, and deploy your code, all in one place. With features such as pull requests, branch permissions, and inline comments, it promotes efficient workflows and quality code production. Bitbucket is the control centre for our development process, supporting how we create, review and deploy code.

Find out more about BitBucket.

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