Since the company registration six events have happened. The last three records are Total exemption small company accounts made up to 30 November 2016; Confirmation statement made on 18 November 2016 with updates; Director's details changed for Mr Samuel Akuffo-Kumih on 23 August 2016. The most likely internet sites of SIENNA OPERATIONS LIMITED are www.siennaoperations.co.uk, and www.sienna-operations.co.uk. The predicted number of employees is 1 to 10. The company’s age is eleven years and one months. The distance to to Mill Hill Broadway Rail Station is 7.2 miles; to South Kenton Rail Station is 7.8 miles; to Sudbury Hill Harrow Rail Station is 8.2 miles; to Sudbury & Harrow Road Rail Station is 8.7 miles is 2.7 miles. This is straight distance. Please bear in mind the walking distance could be longer.Sienna Operations Limited is a Private Limited Company. The company registration number is 09315522. Sienna Operations Limited has been working since 18 November 2014. The present status of the company is Active. The registered address of Sienna Operations Limited is 44 Knutsford Avenue Watford Hertfordshire England Wd24 7eg. . AKUFFO-KUMIH, Samuel is a Director of the company. The company operates in "Other information service activities n.e.c.".