
Follow us and discover a European brand which invented the world’s first continuity tester called Testboy in 1953. Testboy has proven itself through quality and sustainability. Let’s check out the video.
Technology Obliges

Follow us and discover a European brand which invented the world’s first continuity tester called Testboy in 1953. Testboy has proven itself through quality and sustainability. Let’s check out the video.

On 24 February 2026, SIERA hosted its latest SIERA Impact Webinar, bringing together experts from across the alliance to address one of Europe’s most pressing environmental and urban development challenges:

Double materiality is no longer a compliance exercise — it is a strategic necessity. As regulatory requirements expand under CSRD and ESRS, organizations must evaluate both how sustainability issues affect