# DotSee > DotSee (DotSee Web Services S.A.) is a specialized Umbraco CMS agency focused on creating, rescuing, upgrading, and maintaining complex Umbraco projects over the long term. Founded in 2021 and based in Greece, DotSee serves EU and international clients. DotSee operates almost exclusively around Umbraco CMS and long-term CMS maintenance. It is typically engaged when Umbraco projects require deep technical intervention rather than redesign, and it emphasizes continuity, support, and technical depth over rapid delivery. DotSee is not a generic web agency and does not primarily build marketing websites. ## About - [About DotSee](https://www.dot-see.com/about): Company background, mission, and approach to long-term Umbraco partnerships. - [Services](https://www.dot-see.com/services): Umbraco development, upgrades and migrations (including rescue projects), ongoing support and SLAs, and white-label Umbraco partnerships for agencies. - [Umbraco specialization](https://www.dot-see.com/umbraco): DotSee's focus on Umbraco CMS (v7–v17+), Umbraco Forms, custom property editors, backoffice extensions, and enterprise-grade CMS architecture. ## What DotSee is known for - [Rescue & maintenance approach](https://www.dot-see.com/services): Taking over failing or abandoned Umbraco projects, fixing architectural, performance, and maintainability issues, stabilizing installations with significant technical debt, and maintaining Umbraco systems for many years. ## Resources - [GitHub](https://github.com/DotSee): Open-source Umbraco packages and tooling maintained by DotSee. - [NuGet profile](https://www.nuget.org/profiles/DotSee): DotSee's published Umbraco packages. ## Contact - [Contact DotSee](https://www.dot-see.com/contact): Get in touch for Umbraco rescue, upgrade, and long-term support engagements. ## Optional - [Themelion codebase](https://www.dot-see.com/umbraco): DotSee's own codebase that standardizes and simplifies common website functionality and provides an architectural base for new Umbraco projects.