slash.lu

slash.lu builds custom websites and SEO systems for Luxembourg businesses. Every site runs on Astro — sub-1 second load times, 98+ Google PageSpeed scores. No WordPress, no templates, no platform lock-in. Trilingual delivery in French, English, and German.

Recent results:
- INNOVALUX: invisible to top 3 on Google in 4 months, 98/100 PageSpeed
- Solenergie: zero leads to full order book in 60 days, top 3 local rankings
- AutoRachat: +75% conversion rate after rebuild
- Sellect.lu: scaled from 0 to 150+ partner agencies
- tack.lu: 100,000+ monthly organic search impressions
- ProHabitat: local tradesman to regional reference, top 3 Google

Services: custom website development, technical SEO, local SEO and Google Business Profile optimization, web applications, AI integrations, ongoing digital growth advisory.

Founded by Marcio, with 8+ years building digital systems for Luxembourg businesses across automotive, real estate, construction, and professional services. Operates from Differdange. Serves all Luxembourg communes and the Grande Région (FR/DE/BE border).

Clients receive full source code on delivery. No platform lock-in, no recurring license fees.