# Perfsol > Perfsol is an engineering company for the development and long-term support of mission-critical solutions: uncrewed aerial and ground systems, counter-drone protection, a drone development platform, on-board edge AI, self-hosted encrypted video communications and operational ERP. ## About Perfsol - Perfsol designs, builds, hardens and supports software and systems for operations that cannot stop. Its line, from the name (Perfsol = perfect solutions): perfect solutions for critical missions. - Part of a larger engineering group. Group figures: 230+ engineers; engineering roots since 2010; engineering sites in Lviv, Ukraine and Wrocław, Poland; group management systems certified to ISO 9001:2015 and ISO/IEC 27001:2022. - Perfsol offices: Tallinn, Kaupmehe tn 7, Estonia; Ukraine. - Builds mission-critical systems from scratch and on top of clients' existing systems (extension, integration, takeover, modernisation). - Engagement models: project delivery, research and development, dedicated team, support agreement. - Contact: info@perfsol-software.com or https://www.perfsol-software.com/contact/ ## Solutions - [Uncrewed systems](https://www.perfsol-software.com/solutions/uncrewed-systems/): Aerial and ground platforms. Multirotor, fixed-wing and heavy-lift aircraft and ground robotic carriers, built on partner flight electronics and our onEDGE on-board computer. - [Counter-drone](https://www.perfsol-software.com/solutions/counter-drone/): Airspace security. Layered protection for critical sites: acoustic, visual and radar drone detectors, modular RF mitigation, and integration into your security operations. - [Drone Platform](https://www.perfsol-software.com/solutions/drone-platform/): Drone development environment. Flight controller, companion computer, AI models and configuration of each aerial or ground drone in one project, so teams stop rebuilding integration tooling. - [onEDGE](https://www.perfsol-software.com/solutions/onedge/): On-board AI computer. A low-SWaP companion computer that puts computer vision, sensor fusion and autonomous guidance on the airframe, independent of ground-station latency. - [Cast](https://www.perfsol-software.com/solutions/cast/): Self-hosted video communications. Meetings, broadcasts and multi-camera production on servers you own. No third-party cloud in the media path. - [Logeen](https://www.perfsol-software.com/solutions/logeen/): Operational ERP. Time, people, projects, equipment, invoicing and payroll in one accountable system, with a permission-aware AI assistant. ## Pages - [Perfsol – Mission-critical systems, drones and counter-drone](https://www.perfsol-software.com/): Perfsol designs, builds and supports systems for operations that cannot stop: uncrewed systems, counter-drone protection, on-board AI, secure video and ERP. - [Mission-critical engineering services | Perfsol](https://www.perfsol-software.com/services/): Mission-critical systems built from scratch or on top of existing systems, then hardened and supported: drones, edge AI, secure communications and operations. - [Solutions for mission-critical operations | Perfsol](https://www.perfsol-software.com/solutions/): Uncrewed systems, counter-drone protection, a drone development platform, on-board AI, secure video and operational ERP, delivered and supported by Perfsol. - [Drones and uncrewed ground systems | Perfsol](https://www.perfsol-software.com/solutions/uncrewed-systems/): Multirotor, fixed-wing and heavy-lift drones and robotic ground carriers, with flight electronics, resilient links, on-board AI and operator training. - [Counter-drone and drone detection systems | Perfsol](https://www.perfsol-software.com/solutions/counter-drone/): Layered counter-drone protection for critical sites: acoustic, visual and radar drone detectors, modular RF mitigation from 130 to 6000 MHz and integration. - [Drone Platform – drone development environment | Perfsol](https://www.perfsol-software.com/solutions/drone-platform/): One project for a drone’s flight controller, companion computer, AI models and configuration, with verified capability listed apart from the roadmap. - [onEDGE – on-board AI computer for drones | Perfsol](https://www.perfsol-software.com/solutions/onedge/): onEDGE is a low-SWaP on-board companion computer with a hardened Linux, low-latency video, computer vision and autonomous guidance for uncrewed aircraft. - [Cast – self-hosted encrypted video conferencing | Perfsol](https://www.perfsol-software.com/solutions/cast/): Cast is a video meeting, broadcast and multi-camera platform that runs entirely on infrastructure you control, with encryption in transit and at rest. - [Logeen – ERP for people, projects and payroll | Perfsol](https://www.perfsol-software.com/solutions/logeen/): Logeen keeps time, people, projects, equipment, invoicing and payroll in one accountable ERP, with an AI assistant that respects permissions. - [About Perfsol – mission-critical engineering company](https://www.perfsol-software.com/about/): Perfsol is an engineering company focused on the development and support of mission-critical solutions, backed by a group of 230+ engineers. - [Contact Perfsol – talk to an engineer](https://www.perfsol-software.com/contact/): Tell us about the system you need to build, harden or keep running. An engineer replies by email. ## Blog Engineering articles: https://www.perfsol-software.com/blog/. Full text of every article: https://www.perfsol-software.com/llms-full.txt - [Acoustic drone detection: how it works, where it fits and how to deploy it](https://www.perfsol-software.com/blog/acoustic-drone-detection/) (2026-11-12): Acoustic drone detection explained: how sensors hear drones with no radio link, how far they reach, their limits and how to deploy a sensor network. - [What Europe's critical sites can learn from Ukraine's counter-drone experience](https://www.perfsol-software.com/blog/counter-drone-lessons-ukraine-europe/) (2026-11-12): One night in November 2026 Ukraine faced 163 drones. Four counter-drone lessons for European airports, energy sites, ports and drone builders. - [Fibre-optic drones: why jamming does not stop them and how to detect them](https://www.perfsol-software.com/blog/fiber-optic-drones/) (2026-11-12): Fiber optic drones fly on a glass fibre, not radio, so jamming and RF detectors miss them. How they work, their limits and how critical sites detect them. - [Safety electronics for interceptor drones: arming, disarming and safe recovery](https://www.perfsol-software.com/blog/interceptor-drone-safety-electronics/) (2026-11-12): How an initiation board keeps an interceptor drone's payload safe in storage, flight and recovery, and what buyers should ask of one.