Makiol Wiederkehr is a specialist Swiss engineering office in Beinwil am See working across timber structural engineering and fire protection in timber construction (Brandschutz im Holzbau). It provides fire-protection consulting for hospitality, education, high-rise, leisure, residential and industrial buildings and is among the recognised authorities on fire protection in modular and multi-storey timber construction. Its fire outputs are an aid to professional judgement, not a substitute.