About us
Our Team

Edward Sawiris Banayoti
CEOEdward Sawiris Banayoti has a distinguished record of ethical leadership. He is the CEO of Cornerstone Holdings Corp. and the founder and Executive Chairman of Defence Unlimited International. He is dedicated to supporting the highest standards of business ethics, with his extensive experience of more than 15 years in the fields of intelligence, international security,
Our approach - Technology and security integration in focus
Our clients can rest assured that the Developments Unlimited team approach to all of our projects, includes a base consideration of modern methods of construction, e.g. volumetric modular as wells as sustainable construction methodologies, including renewable energy systems.
In conjunction with our sister defence and technology companies and specialised partnered companies, we provide our clients with the most advanced technology as far as physical security and of data/telecoms security.
All of our design processes include a security specialist input and ultimately provide a ?720 Degree? level of overt or discreet security, appropriate to the clients desired outcomes.


