Welcome to Webillism
The digital studio of Andries (Derek) Steyn.
TL;DR: Webillism is a Johannesburg-based web design and digital marketing studio led by Andries (Derek) Steyn. We create custom websites, e-commerce stores, and AI-ready online solutions with SEO, Google Ads, and lead generation for local and international clients.
Professional Web Design & Digital Marketing in Johannesburg, South Africa
Helping businesses locally and globally grow their online presence with custom websites, AI optimisation, and results-driven marketing strategies.
Helping You Achieve Online Success
Why Work With Me
- Over 20 years of web and marketing experience
- Worked with clients across South Africa, Europe, and North America
- Expert in SEO, AIO, e-commerce, and complex web solutions
- Clear communication and transparent processes
Ready for the AI-Powered Web?
Beyond traditional SEO, I specialise in AI Optimisation (AIO) to ensure your website is perfectly prepared for AI agents, voice search, and the latest answer engines. Don’t just rank for Google; get found by the future.
Expert WCAG Compliance & Remediation. We perform the in-depth audit and technical fixes required to make your site fully accessible, mitigating ADA/Equality Act risk and expanding your entire customer base.
Is Your Digital Door Open to Everyone?
Curated Examples of our work.
Our portfolio demonstrates our commitment to solving complex digital challenges—from engineering high-traffic global author platforms and architecting complex B2B lead acquisition systems with custom calculators, to deploying scalable e-commerce platforms and executing unconventional fixed-viewport designs. Each project showcases our technical rigor in WordPress and Shopify, balancing high-end custom visuals with robust functionality, long-term optimization, and precise strategic execution.
Customer Reviews.
They went the extra mile to understand our products. Ricus Venter Director, InDeflate
They were professional throughout the project. Refiloe 18twenty8
They did everything 100%. Carlo Fortugno Group CEO, DustAct
The unique design flair the team brought to the site was very impressive. Jonathan Metcalfe Mining & Energy Consultant, PwC
Absolutely fantastic! FAST delivery and professional service. Insightful, expert, and tailored guidance. Would highly recommend them Staci De Rouwe Storm Machinery
I value their skill set, industry knowledge, and reliability. Tanja Horn Founder, Concoct Creative Studio
Quick Q&A
- Q: Who runs Webillism?
- A: Webillism is run by Andries (Derek) Steyn, an experienced web designer, developer, and digital marketing specialist based in Johannesburg, South Africa.
- Q: What services does Webillism offer?
- A: We design and develop custom websites, e-commerce stores, AI-optimised websites, SEO strategies, Google Ads campaigns, email marketing, and lead generation solutions.
- Q: Do you work with clients outside South Africa?
- A: Yes. While based in Johannesburg, Webillism works with clients locally and internationally.
- Q: What is AI Optimisation (AIO) for websites?
- A: AIO prepares your website for AI agents, voice search, and answer engines ensuring it ranks and appears in next-gen search platforms, not just Google.
- Q: How can I contact Webillism?
- A: Email studio@webillism.co or WhatsApp/Call +27 76 547 0739 to discuss your project.