Huld s.r.o, former Space Systems Czech (SSC), was established in 2015 as a sister company of Space Systems Finland (SSF), fully adopting its culture, practices, and quality standards. After succeeding a merge in the Q4/2019, between the former SSF, SSC and RD Velho; the new brand and name of the company is HULD. Huld is a software engineering company specialized in safety-critical software and complex data processing. In the space domain, we have a proven success record for in time and quality development of on-board software, data processing, independent software verification & validation, as well as product development, namely an Open-Source Hardware-based GNSS Receiver and Multi-sensor Navigation System (TIIRA), and an EGS-CC based Mission Control System & Ground Segment for Nanosatellites (ORBITCON). Since 2015, we contributed to various missions, e.g. Sentinel-4 UVN, BepiColombo, DAP4CR, MSG Scatterometer, BIOMASS, HERA/MILANI, PLATO.