Index
— 00 Case · 2025

Cleanroom Systems International

A design-first, Elementor Pro website for a Dutch cleanroom specialist delivering turn-key solutions worldwide. The site communicates CSI's four-phase methodology — Design, Engineer, Build, Care — through a clean, technical aesthetic. Six industry sectors, a project portfolio, a blog, and a brochure-download lead magnet are all built with custom Elementor widgets that the CSI team can manage and grow independently.

Client
https://csibv.com/
Role
WordPress Developer
Industry
Cleanroom Technology · Engineering · Construction
Platform
WordPress · Elementor Pro · Custom Widgets
CSI — Turn-Key Cleanrooms — Design · Engineer · Build · Care — Drunen, NL CSI — Turn-Key Cleanrooms — Design · Engineer · Build · Care — Drunen, NL CSI — Turn-Key Cleanrooms — Design · Engineer · Build · Care — Drunen, NL CSI — Turn-Key Cleanrooms — Design · Engineer · Build · Care — Drunen, NL CSI — Turn-Key Cleanrooms — Design · Engineer · Build · Care — Drunen, NL CSI — Turn-Key Cleanrooms — Design · Engineer · Build · Care — Drunen, NL
— 01 By the numbers

A technical B2B website measured by its ability to communicate engineering precision — every section designed to build trust before the first phone call.

96

PageSpeed mobile

Optimised for a portfolio-heavy site with project galleries, sector pages, and brochure downloads.

02
6

Industry sectors (Semicon, Pharma, Medical, Food, Mechatronics, Aerospace)

03
4

Phase methodology — Design, Engineer, Build, Care

04
NL

Drunen, Netherlands — serving clients worldwide

Design & Strategy 2025
01
Design 01 / 03

Technical precision, designed first.

Notes

The project began with a design-first approach — wireframes, mockups, and visual direction established before a single line of code. The final design translates CSI's engineering DNA into a digital presence: clean lines, structured grids, a restrained industrial palette, and photography that showcases real cleanroom environments. The homepage leads with the core promise — 'Cleanrooms op maat, turn-key opgeleverd' — followed by trust signals, client logos, and a clear path into the four-phase methodology. Every layout decision reinforces precision, reliability, and Dutch engineering quality.

Platform & Build 2025
02
Platform 02 / 03

Elementor Pro + custom widgets, built for B2B engineering.

Notes

The site runs on WordPress with Elementor Pro, extended by custom widgets purpose-built for an engineering firm's communication needs. A project portfolio widget renders completed cleanroom projects (Air-Up, HAWO, Nebo Special Tooling, Nearfield Instruments) with consistent cards and detail pages. A sector widget showcases six industries with icons and descriptions. A methodology section breaks down the Design-Engineer-Build-Care phases with numbered steps and expandable details. A brochure download popup captures leads. Behind the scenes, ACF Flexible Content gives the CSI team editorial control over projects, news, vacancies, and sector pages.

Content & Authority 2025
03
Authority 03 / 03

A platform that proves expertise before the first meeting.

Notes

The website functions as CSI's credibility engine. The project portfolio showcases real cleanroom installations with photography that speaks to technical buyers. The 'Over ons' page introduces director Sil Munsters and the team's philosophy. The blog/nieuws section keeps the site alive with company updates. A 'Werken bij' (vacancies) section attracts engineering talent. Downloadable brochures and company profiles capture qualified leads. Client logos build immediate trust. SEO-optimised for Dutch and international queries in the cleanroom and high-tech manufacturing space. GDPR-compliant, cookie-consent integrated, and built mobile-first.

— 02 Across surfaces

One system. Every surface.

Whether a procurement manager reviews projects on a desktop, a cleanroom engineer browses sectors on a tablet, or a job seeker checks vacancies on a phone — the experience stays precise, fast, and technically credible.

Notes

Dutch-localised, GDPR-compliant, with cookie consent — built for the European B2B engineering market.

— 03 In their words
Uw doelstelling is onze taak!
Sil Munsters · Directeur, CSI B.V.
— 04 The toolkit

Tools & technologies

A focused stack balancing technical precision with the editorial flexibility an engineering firm needs to showcase its work and attract talent.

3 tools
Stack
WordPress Elementor Pro ACF Pro

Cleanroom Systems International.

Designed, built and shipped — 2025

Ready to build something that performs like this?

Tell me about your project — platform, goals and timeline. I reply within minutes.

Start a conversation

Freelance WordPress Developer Engineering Website — Case Study

freelance WordPress developer engineering website — Mosharaf Hossain case study

This freelance WordPress developer engineering website case study covers how Mosharaf Hossain built a corporate site for Cleanroom Systems International, a turn-key cleanroom design and build company. Building a freelance WordPress developer engineering website for a specialist engineering firm requires credibility-first architecture — procurement managers and facilities directors evaluate suppliers on trust signals, case studies, and technical authority before making contact.

Engineering company WordPress websites need to balance technical depth with accessible communication. The challenge was presenting complex cleanroom specifications and compliance standards in a way that informed buyers without overwhelming them, while guiding qualified leads toward an enquiry form.

Mosharaf built the freelance WordPress developer engineering website with Elementor Pro for page layout flexibility and ACF Pro for case study and project portfolio management. The project portfolio system allows the CSI team to add completed projects with specifications, images, and compliance certifications through wp-admin.

Stack: WordPress, Elementor Pro, ACF Pro, project portfolio system, lead generation architecture.

Need a freelance WordPress developer for an engineering firm, manufacturing company, or B2B technical services website? Contact Mosharaf Hossain to discuss your project.

Chat on WhatsApp