Heyne Tillett Steel is an employee-owned structural and civil engineering practice with a reputation for intelligent design and innovative, practical solutions. Established in 2007 by directors Andy Heyne, Mark Tillett and Tom Steel, the practice is now a Certified B Corporation with over 180 staff members and works with many of the UK’s leading developers and architects. Heyne Tillett Steel strive to ensure all outputs are of the highest standard, involving regular Director reviews throughout the lifetime of a project. We have a rigorous internal Quality Assurance system which is accredited by BSI to ISO 9001:2008. Above all Heyne Tillett Steel are structural and civil engineers; hard-working and passionate about what we do and the buildings we help create.