{
  "@context": "https://schema.org",
  "@type": "ProfessionalService",
  "@id": "https://mmstack.de/#business",
  "name": "MMStack",
  "legalName": "MMStack",
  "url": "https://mmstack.de/de/",
  "image": "https://mmstack.de/mmstack-og.jpg",
  "description": "MMStack aus Duisburg: IT-Infrastruktur, Webentwicklung, SEO, Branding und JTL-Shop.",
  "telephone": "+4915561937281",
  "email": "info@mmstack.de",
  "priceRange": "€€",
  "founder": {
    "@type": "Person",
    "name": "Marcin"
  },
  "knowsLanguage": ["de", "pl", "en"],
  "address": {
    "@type": "PostalAddress",
    "addressLocality": "Duisburg",
    "addressRegion": "Nordrhein-Westfalen",
    "addressCountry": "DE"
  },
  "geo": {
    "@type": "GeoCoordinates",
    "latitude": 51.4344,
    "longitude": 6.7623
  },
  "areaServed": [
    "Duisburg",
    "Oberhausen",
    "Mülheim an der Ruhr",
    "Essen",
    "Düsseldorf",
    "Krefeld",
    "Moers",
    "Dinslaken",
    "Bottrop",
    "Ratingen",
    "Neuss",
    "Wesel",
    "Gelsenkirchen"
  ],
  "hasOfferCatalog": {
    "@type": "OfferCatalog",
    "name": "MMStack Services",
    "itemListElement": [
      {
        "@type": "Offer",
        "itemOffered": {
          "@type": "Service",
          "name": "IT & IT-Infrastruktur",
          "url": "https://mmstack.de/de/it-infrastruktur.html",
          "description": "On-site and remote IT infrastructure consulting, network setup, hardware installation, and automation interfaces."
        }
      },
      {
        "@type": "Offer",
        "itemOffered": {
          "@type": "Service",
          "name": "Webentwicklung",
          "url": "https://mmstack.de/de/webentwicklung.html",
          "description": "Custom modern website development, high-converting landing pages, and web app creation with speed and SEO optimization."
        }
      },
      {
        "@type": "Offer",
        "itemOffered": {
          "@type": "Service",
          "name": "Marketing & SEO",
          "url": "https://mmstack.de/de/seo-marketing.html",
          "description": "Search engine optimization and digital marketing strategies to boost online visibility and lead acquisition."
        }
      },
      {
        "@type": "Offer",
        "itemOffered": {
          "@type": "Service",
          "name": "Grafik & Branding",
          "url": "https://mmstack.de/de/grafik-branding.html",
          "description": "Corporate design, brand identity systems, logo creation, and print-ready graphic assets."
        }
      },
      {
        "@type": "Offer",
        "itemOffered": {
          "@type": "Service",
          "name": "JTL-Shop & JTL-Wawi",
          "url": "https://mmstack.de/de/jtl-shop-wawi.html",
          "description": "E-commerce ERP setup, JTL-Wawi system configuration, shop template optimization, and marketplace integration."
        }
      }
    ]
  }
}