Mario S.
Top-Rated German Author & Localization Specialist | SEO & GEO Content
Hi, I’m Mario – a native German author, translator, and content strategist with a sharp eye for language, structure, and digital performance. Since 2014, I’ve been crafting content that informs, converts, and ranks – and since 2020, I’ve added web development and technical SEO to my toolkit to deliver end-to-end content experiences. If you need content that sounds human, feels relevant, and performs in search (classic SEO and AI-driven GEO), you’re in the right place. What I help clients with Writing & Content Creation (DE/EN) • Articles & long-form blog posts • Landing pages & web content • Email copy & funnel messaging • Editorial plans & content strategies • UX-oriented copywriting for digital products • Product descriptions, Amazon listings, eCommerce content Translation & Localization • EN → DE translation with cultural + market-appropriate adaptation • Localization for websites, apps, eCommerce, supplements, SaaS, B2B content • Transcreation for marketing and brand messaging • GEO-optimized content for generative AI visibility SEO, GEO & Digital Strategy • SEO research & on-page optimization • GEO (Generative Engine Optimization) for ChatGPT, Perplexity & Google AI • Keyword strategy + content architecture • Conversion-driven content setup for landing pages & blogs Web & CMS • WordPress (Elementor, WooCommerce) • Shopify content & theme adjustments • HTML, CSS, JavaScript (lightweight dev for web content & tools) Industries I frequently work in • Marketing & digital agencies • Education & e-learning • Food, nutrition & supplements • B2B services • Finance & fintech • Travel, lifestyle & wellness • Tech, IT & software Brands & teams I’ve supported I collaborate with startups, agencies, international companies, and long-term freelance clients across Germany, Switzerland, Austria, Spain and Ireland – covering content, strategy, SEO, localization and social media. Past client types include: • International manufacturers • Marketing agencies • E-commerce brands • IT & tech recruiters • Language learning companies • Creative brands & music labels What you can expect when working with me Clear communication, clean structure, reliable delivery – plus copy that sounds like it was actually written by a human (because it was). If you’re looking for someone who understands language, marketing, and the mechanics behind high-performing digital content, let’s talk. Mario
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $7.8k
Billed in all: $64,497$64k
$647 in the last 6 months
Across 104 contracts
Earnings, last 30 days
Skill rankings: Top 5% in Creative Writing
Ranked by MRR among everyone on Upwork with the skill.
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- #578Article Writing12,520 freelancers · 🇩🇪 #6Top 5%🇩🇪#6 of 103
- #658Blog Writing13,251 freelancers · 🇩🇪 #9Top 5%🇩🇪#9 of 124
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