Claire Costello is a professional mosaic artist based in Hertfordshire, with over 28 years’ experience delivering large-scale creative projects, workshops, and public installations.

 

Before founding Costello Mosaics, she worked in event management, specialising in corporate team-building experiences. Alongside this, she has extensive experience working with community groups, charities and public sector organisations—facilitating engagement, gathering input and delivering projects that reflect the people and places they are created for.

 

She has led sessions ranging from small teams to large-scale events with over 500 participants, managing both the creative and practical aspects of delivery.

 

Her approach is structured, calm, and highly practical—ensuring that groups of all sizes are guided clearly and confidently through the process.

 

By combining creative expertise with experience in corporate events and community engagement, Claire delivers projects that are well-managed, inclusive and result in a high-quality finished piece.