Since the company registration one events have happened. The last one records are Incorporation Statement of capital on 2016-08-27 GBP 1 MODEL ARTICLES ‐ Model articles adopted . The most likely internet sites of DAY:ONE SECURITY LIMITED are www.dayonesecurity.co.uk, and www.day-one-security.co.uk. The predicted number of employees is 1 to 10. The company’s age is nine years and four months. Day One Security Limited is a Private Limited Company. The company registration number is 10348882. Day One Security Limited has been working since 27 August 2016. The present status of the company is Active. The registered address of Day One Security Limited is 29 Warren Street Fourth Floor Fitzrovia London United Kingdom W1t 5ne. . O'DONNELL, Gerard is a Director of the company. O'NEILL, Conor is a Director of the company. The company operates in "Business and domestic software development".