A good CQC care provider, Blue Crystal Care Agency provides specialised care services for children, adults and the elderly who suffer from dementia, physical and learning disabilities, mental health and also including post-operative care, recuperation and rehabilitation after hospital discharge. The agency works with clients in their own homes or outside the home in places such as day centres or nursing homes and hospitals.

Under Kathirkamathamby’s leadership, Blue Crystal won the accolade of Best Domiciliary Care Service Provider 2019 for the Middlesex region at the GHP Healthcare and Pharmaceutical awards.

In June 2020, Kathirkamathamby appeared on a Leaders Council of Great Britain & Northern Ireland podcast, discussing the importance of leadership and the impact it has had on her career to date.