Since the company registration five events have happened. The last three records are Total exemption small company accounts made up to 31 March 2016; Annual return made up to 8 April 2016 with full list of shareholders Statement of capital on 2016-04-19 GBP 100 ; Current accounting period shortened from 30 April 2016 to 31 March 2016. The most likely internet sites of SIGMA VENTILATION SYSTEMS LTD are www.sigmaventilationsystems.co.uk, and www.sigma-ventilation-systems.co.uk. The predicted number of employees is 1 to 10. The company’s age is ten years and eight months. Sigma Ventilation Systems Ltd is a Private Limited Company. The company registration number is 09531914. Sigma Ventilation Systems Ltd has been working since 08 April 2015. The present status of the company is Active. The registered address of Sigma Ventilation Systems Ltd is 7 Paynes Park Hitchin Hertfordshire England Sg5 1eh. . RENNIE, Mark is a Director of the company. The company operates in "Plumbing, heat and air-conditioning installation".