Why Callisto?

Callisto work with some of the largest names in the commercial construction arena. Our recent clients have included companies such as Spie Matthew Hall, Gee Construction, Merton Schools Framework and Mitie Group, and many other various insurance and property management companies. Our reputation for quality and reliability has allowed us to maintain solid long term working relationships. Nothing is more important to our directors and staff than the simple element of time. We know that time costs money and this has never been more true than in the commercial construction environment. We guarantee our projected completion dates and keep our clients fully informed at every step of the way.