Hamburg with the quantity of about 18 mlns m2 is, alongside with Berlin and Munich, the biggest office centre in Germany. The large-scale planning and urban operations with the aim of location this function in the centre have been carried out since the beginning of the '60s. The policy of deployment the ofiice sites has beez modified since then, from isolating the monofunctional area of the Modernism's spirit, to multifunctional structures interplaying with the other sites when it comes to activities' potentiality with the expansion of the large-scale urban structures. Many recent realisations abound with significant buildings that bring the avant-garde approach to the idea of an office building. The high level of building technology and the importance of ecological aspects are the important distinction. The mentioned realizations has been noticed by the architectural critics and mentioned in professional press. The pride of place belongs to the works of BRT (Bothe-Richter-Teherani), that has created many innovatory office buildings.