# 5w155 SA > 5w155 SA is a Swiss software development company, founded in 2017 and based in Geneva, Switzerland. We help startups and established businesses extend their teams with top tech talent — custom software development, IT staff augmentation, tech recruitment, UX/UI design and Webflow development. Engagements are delivered in English, French and Italian, with clients worldwide. 5w155 specializes in helping companies build and scale high-performing software teams on demand. Whether you need to ship a custom product, augment your engineering team with vetted developers, recruit permanent tech talent, design intuitive user experiences, or build a fast, SEO-optimized Webflow website, 5w155 provides the people and expertise to deliver. The company is an award-winning, Clutch-recognized partner (Top Clutch Staff Augmentation Company, Top Clutch Digital Transformation Company, Top Software Developers in Switzerland) with a track record across fintech, healthtech, SaaS, AI, blockchain, e-commerce and mobile. - Website: https://www.5w155.ch - Founded: 2017 · Headquarters: Geneva, Switzerland - Languages: English, French, Italian · Area served: Worldwide - Swiss UID: CHE-382.915.137 ## Services - [Custom Software Development](https://www.5w155.ch/services/software-development): Design, develop and deliver custom software solutions that help businesses innovate, automate and grow — web apps, mobile apps, SaaS platforms and cloud systems. - [IT Staff Augmentation](https://www.5w155.ch/services/staff-augmentation): Scale your team with top developers and designers on demand — no hiring hassles, no overheads. Hire skilled engineers fast and integrate them into your existing team. - [Tech Recruitment](https://www.5w155.ch/services/recruitment): Find and hire the best developers, engineers and IT professionals tailored to your business needs — fast, efficiently and without hassle. - [UX & UI Design](https://www.5w155.ch/services/ux-ui-design): Create engaging, user-centered digital experiences with expert designers. On-demand UX & UI design for startups and enterprises. - [Webflow Development](https://www.5w155.ch/services/webflow-development): On-demand Webflow developers to build and maintain your website — pixel-perfect, fast and SEO-optimized. ## Case Studies - [AI-Powered Survey & Feedback Analysis Platform](https://www.5w155.ch/case-studies/ai-powered-survey-feedback-analysis): An AI platform analyzing tens of thousands of monthly customer conversations for a telecom, with multi-LLM analysis and chat-with-your-data insights. - [Wealth Management Platform](https://www.5w155.ch/case-studies/wealth-management-app): A web platform plus cross-platform iOS and Android apps for an HNWI wealth manager, with end-to-end encrypted chat and biometric order approval. - [Cloud-based NAV Calculation Platform](https://www.5w155.ch/case-studies/cloud-based-nav-calculation-platform): Cloud-based Net Asset Value (NAV) and fee calculation platform for AMC issuers and AIF managers. - [Investment Portfolio Monitoring SaaS](https://www.5w155.ch/case-studies/investment-portfolio-monitoring-saas): An advanced portfolio monitoring platform for investment professionals with transaction-based analysis, multi-institution consolidation and analytics. - [HR & Recruitment SaaS Platform](https://www.5w155.ch/case-studies/hr-recruitment-saas-platform): A web platform helping recruitment-intensive companies manage their processes and keep track of employees. - [Gait Analysis & Fall-Risk Assessment Platform](https://www.5w155.ch/case-studies/gait-analysis-and-fall-risk-assessment): A mobile and backend platform paired with a Bluetooth motion sensor to measure 9 gait parameters and assess fall risk in the elderly. - [Cardiology Education Event Mobile App](https://www.5w155.ch/case-studies/cardiology-education): A continuous-education platform for the cardiology center of the CHUV university hospital. - [Medical Information Distribution Platform](https://www.5w155.ch/case-studies/medical-information-distribution-platform): Leitmed, a platform for doctors, researchers and scientists to publish and access medical articles, therapy guidelines and study results. - [Subscription-based Food Delivery System](https://www.5w155.ch/case-studies/subscription-based-food-delivery-system): A subscription food-delivery system combining Webflow with a custom backend for a full web-application experience. - [HR Management System (Webflow)](https://www.5w155.ch/case-studies/hr-management-system-webflow): Complete Webflow redesign with advanced CMS filtering, HubSpot integration, speed optimization and custom JavaScript. - [Revenue Management Platform (Webflow)](https://www.5w155.ch/case-studies/revenue-management-platform-webflow): A complete Webflow website redesign for a revenue and billing automation platform, with pixel-perfect, responsive delivery. - [Real Estate Development & Management Company (Webflow)](https://www.5w155.ch/case-studies/real-estate-development-management-company-webflow): A professional, scalable Webflow website maintainable by a non-technical team. - [AI Recruiting Specialist (Webflow)](https://www.5w155.ch/case-studies/ai-recruiting-specialist-webflow): A Webflow landing page with animations, SEO best practices and marketing-tool integrations for an AI recruiting specialist. - [All case studies](https://www.5w155.ch/case-studies): Full portfolio across fintech, healthtech, SaaS, AI, blockchain, e-commerce, mobile and Webflow. ## Blog & Insights - [Outsourcing vs. Outstaffing: Which Model Suits Your Tech Needs?](https://www.5w155.ch/blog/outsourcing-vs-outstaffing-which-model-suits-your-tech-needs): The key differences between outsourcing and outstaffing models and how to choose. - [Decoding Outsourcing: Local, Nearshore or Offshore?](https://www.5w155.ch/blog/decoding-outsourcing-local-nearshore-or-offshore): The trade-offs between local, nearshore and offshore outsourcing models. - [Why Is Eastern Europe a Top Choice for IT Outsourcing?](https://www.5w155.ch/blog/why-is-eastern-europe-a-top-choice-for-it-outsourcing): Why Eastern Europe has become a leading global tech-outsourcing hub. - [How Fast Can You Hire a Software Developer? Eastern vs Western Europe](https://www.5w155.ch/blog/how-fast-can-you-hire-a-software-developer-eastern-european-vs-western-europe): Comparing hiring timelines, costs and quality across European developer markets. - [Agency vs Freelancer: Decoding the Differences for Software Development](https://www.5w155.ch/blog/agency-vs-freelancer): The key differences between hiring freelancers and partnering with a software development agency. - [3 Ways to Accelerate Early-Stage Startup Go-to-Market with Outsourcing](https://www.5w155.ch/blog/3-ways-to-accelerate-early-stage-startup-go-to-market-with-outsourcing): How outsourcing helps startups reach market faster and smarter. - [Minimum Viable Product: The First Step to Startup Success](https://www.5w155.ch/blog/minimum-viable-product-the-first-step-to-startup-success): How building an MVP helps startups validate ideas and reach product-market fit. - [How to Choose the Tech Stack for Your Software: 4 Advice for Startups](https://www.5w155.ch/blog/how-to-choose-the-tech-stack-for-your-software-4-advice-for-startups): Four key considerations for choosing the right tech stack. - [Closing the Remote Gap: Tips to Work Efficiently with Remote Developers](https://www.5w155.ch/blog/closing-the-remote-gap-tips-to-work-efficiently-with-remote-developers): Practical ways to maximize productivity with distributed development teams. - [Understanding the Difference Between UX and UI Design](https://www.5w155.ch/blog/understanding-the-difference-between-ux-and-ui-design): How UX and UI design each shape exceptional digital experiences. - [Do Startups Really Need a UX and UI Designer?](https://www.5w155.ch/blog/do-startups-really-need-a-ux-and-ui-designer): Why investing in UX/UI design is strategic, not just aesthetic. - [How Webflow Can Streamline Website Development](https://www.5w155.ch/blog/how-webflow-can-streamline-website-development): How a no-code builder like Webflow speeds up creating and maintaining websites. - [All articles](https://www.5w155.ch/blog): The full 5w155 blog on software development, outsourcing, staffing and design. ## Company - [About Us](https://www.5w155.ch/about): Since 2017, 5w155 has devoted its energy to helping small and large companies craft powerful software. Learn about the team and mission. - [Careers](https://www.5w155.ch/careers): Open roles for developers, designers and engineers who want to work on exciting projects. - [Home](https://www.5w155.ch): Extend your team with top tech talents to deliver innovative, high-performing software. ## Contact & Engagement - [Book a Meeting](https://www.5w155.ch/book-a-meeting): Schedule a free consultation to discuss your software development or staffing needs. - [Request a Developer](https://www.5w155.ch/request-a-developer): Tell us about your needs and we'll match you with the right developer or team. - [Request a Webflow Developer](https://www.5w155.ch/request-a-webflow-developer): Get an expert Webflow developer with fast onboarding and pixel-perfect delivery. - [Contact Us](https://www.5w155.ch/contact-us): Get in touch about a project, staff augmentation or any other questions. - LinkedIn: https://www.linkedin.com/company/5w155 - Instagram: https://www.instagram.com/5w155_it/ ## Optional - [Privacy Policy](https://www.5w155.ch/privacy-policy): How 5w155 SA collects, stores, uses and protects personal data. - [Cookies Policy](https://www.5w155.ch/cookies-policy): How 5w155 SA uses cookies on its website. - [Sitemap](https://www.5w155.ch/sitemap-index.xml): Full XML sitemap of all indexable pages.