# WLCM App Studio > WLCM (pronounced "Welcome") is a senior software design and engineering studio founded in 2010, based in San Francisco (2021 Fillmore Street) with its engineering team in Lviv, Ukraine. Venture-backed and growth-stage companies hire WLCM to design, build, and maintain the products their users love — as if the team were in-house. 25 veteran specialists; 150+ apps shipped over 16 years; no sub-contracting, ever. Key facts: - Named "Best in Business" by Inc. (2022, Software Development); Inc. 5000; #50 on the SF Business Times Fast 100 - Client apps recognized by Apple ("Best in Class", App Store features), Fast Company, and the Webbys; featured in The New York Times, Oprah Magazine, and Vogue - Founder Lindsey Witmer Collins writes on tech and AI for Forbes, Inc., and Fast Company - Services: UX/UI design, full-stack app development (iOS, Android, web), AI development, ongoing maintenance, user testing, CTO-as-a-service - Custom AI agents: from $50K, launched in ~4 weeks (see /ai-agents/) - Selective: a handful of projects per year, typically funded startups and established companies ## Main pages - [Services](https://wlcm.studio/services/): What WLCM does and how engagements work - [Case Studies](https://wlcm.studio/case-studies/): 14 detailed case studies incl. Brella, pumpspotting (Apple Best in Class), Goomi Group, HeyMama, Orgain, NAPA Center - [AI Development](https://wlcm.studio/ai-gpt-development/): Custom AI tooling and GPTs - [AI Agents](https://wlcm.studio/ai-agents/): Custom AI agents — the productized offer - [FAQ](https://wlcm.studio/faq/): Cost, timelines, process, who works on your project - [Compare](https://wlcm.studio/compare/): WLCM vs. freelancers, offshore shops, in-house teams - [About](https://wlcm.studio/about/): The team and its story - [Testimonials](https://wlcm.studio/wlcm-client-testimonials/): Client quotes, most unsolicited - [Contact](https://wlcm.studio/contact/): Book a call ## Specialties - [Health & wellness apps](https://wlcm.studio/health-wellness-apps/) - [Childcare & family apps](https://wlcm.studio/childcare-family-apps/) - [B2B & community platforms](https://wlcm.studio/b2b-community-platforms/) - [San Francisco](https://wlcm.studio/san-francisco/)