Client Endorsement from CTA, GermanyYou are here: HomeClient EndorsementsClient Endorsement from CTA, Germany A letter of endorsement from CTA in Germany for work carried out over the course of 2014 and 2015. Posted on April 10, 2015Client Endorsements Related postsClient Endorsement from The Linde GroupApril 10, 2015Client Endorsement from ADI Group LimitedFebruary 10, 2015