Joint venture of Girlan Immobilien and PGL appoints Sven Viehl as additional managing director


Reinforcement at the 50:50 joint venture of Girlan Immobilien closed in October 2022
GmbH and Planungsgesellschaft Langos mbH (PGL): Sven Viehl, Senior Technical
Property Manager at Girlan Immobilien, complements the management team with immediate effect with Frank Sieke, also Girlan, and Philipp Hirtler and Olaf Lühr from PGL.

Girlan-PGL GmbH combines the expertise of the two companies in the areas of retail and
Project Management. Sven Viehl – with Girlan since 2015 – is a business economist and certified
Construction Project Manager. In his work at Girlan, the 43-year-old is responsible, among other things, for the technical property management of the LAGO shopping center in Constance. There he is responsible for the Girlan-PGL joint venture, for which Viehl has now been appointed an additional managing director, to take over the project management of the extensive conversion measures of an existing space to a gastronomic extraordinary experience.

“On the part of the PGL shareholders, we welcome the appointment of Sven Viehl,” says Philipp Hirtler,
Managing Director of the planning company Langos mbH. “And so we’re looking forward to the
Continuation of our trusting and successful cooperation.”

For both existing and new customers, Girlan-PGL offers administration and technical
Support from a single source. “I’m excited by both the conceptual and the
Girlan-PGL’s implementation strength,” says Sven Viehl. “I’m looking forward to the new
Management Responsibilities.”

In addition to the project at LAGO in Constance, the joint venture is currently working under
including an approx. 12,000 square meter flat roof refurbishment for a shopping center in the Hanover area. On behalf of the owner Girlan-PGL carries out here the
Project management of the overall measure budgeted at around 5 million euros.

About planning company Langos mbH

The planning company Langos mbH together with its subsidiaries PGL covers
Bau und Projektentwicklung GmbH as well as PGL Architekten und Ingenieure GmbH not only
all service areas of the HOAI for architecture, but is also specialized in the fields of
project management, technical building assessment, sustainability and energy efficiency.
In addition to its headquarters in Hamburg, the planning company has offices in Berlin and
Munich. The company’s locations enable it to carry out projects throughout Germany.
to affirm qualified and cost-efficient. For more information, visit

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Image rights: Girlan Immobilien GmbH

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