About Us

Our products are designed with a strong focus on our customers' ever evolving needs.


We provide training managers with the best possible tools to educate their security staff, by continuously developing groundbreaking technologies. Our products are designed with a strong focus on our customers’ ever evolving needs and the shifting landscapes of the security industry.


We are driven by a genuine desire to make the world a safer place. Through innovation, product excellence and a global community of trained technology professionals, we strive to provide peace of mind for senior management, security professionals and the public.



Quadratica protect the future by drawing on our wealth of experience from the past. Our team has a collective history of over 30 years in the security training industry. In 1996 we were involved in the development of the first X-ray simulator, and have been passionate about producing forward thinking, security training solutions ever since.

We draw on the different backgrounds and collective knowledge of our team to address the challenges training providers face; from time investment, to the evolving threat levels of the industry. We understand that innovation has to begin with a conversation – our clients are an important part of our team. Understanding their issues and finding creative ways to solve them is critical to our research and development.

Chris Grey

Managing Director

What gets you out of bed in the morning? “I live for a challenge. I left the Royal Navy to follow my passion for developing software. Now that passion has morphed into a specific desire to make sure our software and service is the best it can be.” - Chris.

Chris Grey is the Managing Director of Quadratica. He spent 24 years in the Royal Navy, before jumping ship to study Software Analysis. After graduation, he produced the world’s first X-ray emulator when working for Frontline International. When Chris joined Quadratica, he created X-Screen™; the world’s premier X-ray simulator product. Chris has an innate understanding of the industry’s changing landscape, which drives him to develop the forward-thinking security solutions, keeping Quadratica at the forefront of the industry.

When Chris isn’t at work or travelling the world visiting Quadratica customers, he enjoys spending time at home with his wife and dogs.

Giles Ramsden

Services Director

What gets you out of bed in the morning? “My immediate cue is my children’s cheeky faces inches from my bed! Thereafter… it’s knowing that our customers rely on us for the level of service & support we give them, and that we need to provide them with the best possible solution to their training needs.” - Giles.

Giles Ramsden is one of the founding directors of Quadratica and has worked in the security industry for the last 22 years. He is a certified UK DfT security trainer in multiple fields and while Giles studied engineering design at University, he spends most of his time on the design and development of Quadratica’s products, creating the best user experiences possible for clients.

If Giles isn’t at his desk or out training clients, you can find him at home with his two children or in his garage underneath a classic car ot two.

Brenden Holt


What gets you out of bed in the morning? “Success! I am highly motivated so the drive to succeed is what gets me out of bed each morning… Well, success and my Golden Retriever.” - Brenden

Brenden is Quadratica’s Chairman. With a technology background Brenden developed his career from software engineer, into sales and marketing and then on to executive management of businesses from early stage to £50m revenue.  Along the way Brenden has been responsible for the acquisition and integration of businesses in UK and Europe.

Following the sale of his software business in 2004 he now mentors and invests in technology companies. In addition to his work with Quadratica, Brenden is on the board of several other technology companies.

When Brenden isn’t focused on his business life you’ll find him with his grandchildren, walking his Golden Retriever or creating things out of wood in his garden workshop.