C Concept Design is an international architecture firm based in The Hague, Netherlands founded by American architect Matthew VanderBorgh in 2002.

Since 2002, C Concept Design has attracted an international clientele and has many collaborations with companies such as Renaissance Construction/Ballast Nedam, Heijmans, Globus, Multi Development, Etam Group, Tripos and many more.

[3] On 24 May 2014 one of C Concept Designs largest projects, Les Terrasses du Port, opened in Marseilles, France.

[6] On 12 March 2019, Dutch news site, AD.nl published an article about the ongoing project of Hart van Zuid's Zuidplein Winkelcentrum in Rotterdam, the Netherlands and how it will transform the future of the neighborhood.

[7] AD.nl published an article on 3 April 2019 about developing project, Delta21, which is an artificial island that will be producing its own sustainable energy located in South Holland.

[9] On 6 April 2015, The Moscow Times published an article about the growth of shopping malls in Russia and credits Columbus as being one of the leaders in this boom.

[14] French journalist, Corinne Boyer from La Croix published, "Marseille se convertit au commerce XXL" on 21 July 2014 about the award-winning project, Les Terrases du Port.

Tanzanite Mall (Dar es Salaam, Tanzania) – The 80.000 m2 GLA retail centre with offices, apartments and an under building parking facility for 2,500 cars.