BLOCK CRS a.s., part of the BLOCK Group, is a Czech engineering firm founded in 1991 and headquartered in Valašské Meziříčí. The group specializes in the design, engineering, procurement, construction, validation, and servicing of turnkey cleanroom facilities and controlled environments.
It serves regulated industries including pharmaceuticals, biotechnology, healthcare, microelectronics, optics, automotive, and research laboratories, delivering solutions compliant with EU GMP and FDA standards, HVAC systems, process automation, and high-voltage installations.
BLOCK Group comprises specialized entities such as BLOCK CRS for turnkey projects, BLOCK SVP for validation and service, BLOCK DES for design, and A.R. Technik for automation. Holding certifications like ISO 9001, 14001, 45001, EMAS, and Safe Enterprise, it reported approximately €50 million in revenue for FY2025 and employs around 160 professionals as of March 2026.
In April 2026, SPIE announced an agreement to acquire the BLOCK Group to bolster its Central European presence in high-value sectors, with completion anticipated in Q2 2026 pending approvals.
Also known as groupe BLOCK and BLOCK a.s..
Acquisition adds turnkey cleanroom design, engineering and automation for pharma, biotech and microelectronics. Target posted €50M (FY2025) and ~160 staff. Closing expected Q2 2026.
