Norwegian architecture firm headquartered in Oslo, which says it specialises in data centre design and has a team of 35 architects, designers and engineers from Norway, Portugal and Brazil. Caerus Architects AS (named Espen Viksjø AS until November 2022) lists two offices on its own website: Ensjøveien 20 in Oslo and Rua do Possolo 76 in Lisbon. Its Portuguese company is Século Abstrato, Lda (NIF 517215349; Calçada Marquês de Abrantes 122, 2.º Dto, 1200-720 Lisboa), incorporated on 24 October 2022.
Norwegian architecture firm headquartered in Oslo, which says it specialises in data centre design and has a team of 35 architects, designers and engineers from Norway, Portugal and Brazil. Caerus Architects AS (named Espen Viksjø AS until November 2022) lists two offices on its own website: Ensjøveien 20 in Oslo and Rua do Possolo 76 in Lisbon. Its Portuguese company is Século Abstrato, Lda (NIF 517215349; Calçada Marquês de Abrantes 122, 2.º Dto, 1200-720 Lisboa), incorporated on 24 October 2022.
In July 2026 the Portuguese company registered a Norwegian branch under the name Caerus Architects Portugal (NUF), with a registered object covering architecture, design, planning, engineering, project management and consultancy, and with employees registered in Norway from August 2026. The Norwegian business register lists Século Abstrato, Lda as the branch’s home company, registered with the Lisbon Commercial Registry under number 517215349. The branch’s manager, Shelley Correia Rodrigues Barradas, is also chair of Caerus Architects AS. Caerus Architects AS reported operating revenue of NOK 40.4 million and a pre-tax profit of NOK 7.5 million for 2025.
On its website, Caerus says it was founded in 2022 and holds Certified Data Centre Design Professional (CDCDP) certification. It also lists residential, hospitality and industrial work, naming hotel brands Hyatt and Hilton and car makers Audi and BMW among the brands it has designed for.
Caerus Architects sits inside the Portugal ↔ Scandinavia business corridor that NorthSouth HQ tracks every day. Like the structural design firm SD Nordics, it is a Norwegian design practice with its own studio in Lisbon.
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