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vorzeigbar.de · made in Cologne
// case · 2026

Wunderlich.

Gebäudereinigung Wunderlich has cleaned offices, practices, stairwells and facades in Cologne since 1986, now in its third generation. A complete relaunch of the website: 19 pages, a quote form on every service page, a short application form, structured data for Google and AI search.

Industry
Commercial cleaning · Cologne
Year
2026
Services
Relaunch · Design · Engineering · Forms · SEO & AEO
Result
19 pages rebuilt
gebaeudereinigungwunderlich.de
Home page of Wunderlich
// the brief

What it was about.

Wunderlich works for companies, property managers and commercial clients, certified to ISO 9001:2015 by TÜV SÜD. The offer covers 14 services, from regular maintenance cleaning through glass, facade and ceiling cleaning to winter service and service staff for housekeeping and stewarding. At the same time, the company is hiring: cleaners, glass and facade cleaners, site managers.

The brief was a complete relaunch. A new page structure, contact and lead forms that collect everything needed for a quote with the first enquiry, and content that Google and AI answer engines can read as a source. Anyone searching for "Treppenhausreinigung Köln" should land on the stairwell cleaning page, not on the home page.

// the result

What we delivered.

19pages rebuilt

19 pages, built with Astro and delivered through Cloudflare. Home page, 14 service pages, each with Köln in its title and address, plus jobs, accessibility statement, imprint and privacy policy. The phone number 0221 634072 sits in the header of every page, right next to the quote button.

The quote form sits on the home page and on all 14 service pages. It asks for what Wunderlich needs for a quote: type of property from office to construction site, desired service, cleaning interval from one-off to daily, area in m², postcode and town. An invisible honeypot field keeps spam bots out. Applicants fill in their own form under /jobs/, where only name, phone and role are required. No CV or cover letter needed, and the reply comes by phone call or WhatsApp, as they prefer.

For Google and AI search, every page carries its own title, its own description and structured data following schema.org. LocalBusiness with address, opening hours and founding year on all pages, plus Service, FAQPage and BreadcrumbList on every service page and three JobPosting entries on the jobs page. The frequent questions appear in the text and in the markup, so answer engines can take the answers over directly.

Presentable. Period.
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