Creating is easy when you love what you do
Who We Are
— Queue up the elevator music
Harmonic Design is more than just web design and development. Located in Hamilton, Ontario, Harmonic Design was started by Dylan Forde in 2010. We work with companies around the world — big and small — to create successful online experiences tailored to your customers' specific needs. Our sites are designed and built to be fast, secure, intuitive, and most importantly — to convert visitors into customers.
Our various web and WordPress products have been downloaded over 150,000 times and are used across thousands of sites globally. Choose Harmonic Design and know that you're in the best of hands.
Serving Hamilton, Ontario, and surrounding areas with top-notch web development services.
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The Best Website Developer in Hamilton
We're passionate about building and maintaining powerful websites that drive results for our clients. Many of our projects come from referrals, a testament to the long-term success we achieve together.
Running a thriving online presence requires more than just a beautiful website. It demands ongoing expertise in areas like website security, performance optimization, and technical maintenance – things that can quickly become complex. That's where we come in.
We handle the technical aspects, including website security, performance tuning, and ongoing maintenance, so you can focus on what you do best: running your business. Our comprehensive Care Plan provides a solid foundation for success, ensuring your website remains secure, fast, and effective.
We believe in a collaborative partnership, guiding you with our expertise to achieve your business goals. While we're happy to work with clients who prefer a different approach, it's important to understand that ongoing maintenance, security updates, and performance optimization are crucial for long-term success.
Learn more about our Care Plan or contact us below to get started!
We Are The WordPress Experts
Themes, plugins, maintenance
Harmonic Design is a Hamilton-based WordPress development studio specializing in high-performance, secure, and maintainable WordPress websites. We build WordPress the way it was meant to be built: lean, scalable, and engineered to last.
Unlike agencies that rely on bloated page builders and off-the-shelf themes, our work is grounded in clean PHP, modern JavaScript, and WordPress core best practices. Every site we ship is designed to load fast, resist common attack vectors, and remain stable as your business grows.
Performance-First WordPress Architecture
Website speed is not a feature — it's a requirement. We build WordPress sites with performance baked in from day one.
Our performance approach includes:
- Minimal, purpose-built themes instead of generic frameworks
- Optimized database queries and efficient PHP execution
- Asset optimization (script loading, dependency control, lazy loading)
- Core Web Vitals optimization for real-world user experience
The result is a WordPress website that feels instant, scores well in performance audits, and converts better because it doesn't get in the user's way.
Security-Focused by Design
Security is not an afterthought or a plugin checklist. It's part of the architecture.
We build secure WordPress websites by:
- Following strict WordPress coding standards and data-handling practices
- Reducing attack surface by eliminating unnecessary plugins and features
- Hardening authentication, permissions, and admin access
- Writing defensive code that assumes hostile input
This proactive approach significantly reduces the risk of common WordPress vulnerabilities while keeping your site stable and easy to maintain.
Built by a WordPress Plugin Developer
Harmonic Design isn't just a WordPress user — we are WordPress plugin developers.
We build and maintain production-grade plugins used by real businesses, which means we understand WordPress internals at a level most agencies never reach. That experience translates directly into better architectural decisions, cleaner integrations, and fewer long-term issues for your website.
When custom functionality is required, we extend WordPress properly — without hacks, shortcuts, or fragile dependencies.
Serving Hamilton Businesses with Serious WordPress Needs
As a Hamilton WordPress developer, we work with local businesses that need more than a template site. Whether you're launching a new brand, rebuilding for performance, or fixing a slow and unstable WordPress install, we focus on solutions that are technically sound and business-driven.
If you care about speed, security, and long-term reliability, you're in the right place.
What We do
— Looking to learn more about us?
🇨🇦 Is Harmonic Design based in Hamilton, Ontario?
Yes, Harmonic Design is located in Hamilton, Ontario, and is proudly Canadian owned and operated. We work with and service clients globally.
Is this accordion here to help with better rankings? It sure is, because as the SEO mantra goes: Content Is King (the other accordions are more relevant, we promise!).
🎨 WordPress Theme Development & Customization
We don’t believe in one-size-fits-all solutions. Our WordPress theme development & customization services are designed to bring your unique brand vision to life. Whether you require a completely bespoke theme built from the ground up or a sophisticated overhaul of an existing template, our team delivers pixel-perfect designs and seamless functionality. We delve deep into your brand identity, user experience goals, and technical requirements to craft a truly distinctive online presence that sets you apart from the competition.
Beyond aesthetics, our theme development focuses on performance, scalability, and future-proof design. We adhere to WordPress coding standards, ensuring clean, efficient code that’s easy to maintain and update. From complex custom post types and advanced filtering to responsive layouts and optimized image delivery, we build themes that are not only beautiful but also deliver exceptional user experiences and contribute to improved SEO performance and site speed.
⚙ WordPress Plugin Development
Need custom functionality that extends beyond the capabilities of existing plugins? Our WordPress plugin development services are built on years of experience creating powerful solutions used on tens of thousands of sites worldwide. We’re not just coders; we’re problem solvers who understand the intricacies of WordPress architecture and the importance of robust, scalable code. From simple enhancements to complex integrations, we transform your ideas into reality with meticulous attention to detail and a commitment to excellence.
Our commitment to quality is evident in our portfolio, highlighted by the success of plugins like HD Quiz, which has empowered thousands of users to create engaging quizzes and assessments (not to mention Universities and Governments). Beyond HD Quiz, we’ve also developed a comprehensive eCommerce solution designed to streamline online sales and provide a seamless shopping experience. Whether you require a custom plugin for a specific task or a complete eCommerce platform, we have the expertise to deliver exceptional results.
📈 WordPress Maintenance, Optimization, & Security
Your WordPress website is a critical asset, and keeping it running smoothly, securely, and optimized for performance is paramount. Our WordPress Maintenance, Optimization, and Security services provide proactive care to protect your investment and ensure a consistently positive user experience. We go beyond simple updates, focusing on identifying and mitigating potential vulnerabilities before they impact your business.
Our comprehensive maintenance packages include regular WordPress core, theme, and plugin updates, performance optimization (including image optimization and caching), security scanning and hardening, malware removal, and ongoing monitoring. We’ll keep your site fast, secure, and reliable, freeing you to focus on what you do best – growing your business. From routine backups to emergency support, we’re your trusted partner in WordPress website health.
♿ What about accessibility?
We believe everyone deserves an inclusive online experience. We prioritize accessibility standards throughout our design and development process, striving to create fully accessible websites and products that meet or exceed WCAG guidelines. Our commitment ensures a usable and engaging platform for all users.
We don’t care if you are using the latest Google or Apple device with gigabit speed, or using some terrible satellite service out in the tundra – we build things that are fast and lightweight to ensure everyone has a great experience.