ECE Projektmanagement GmbH und Co KG

Argentus is supporting the Hamburg-based commercial real estate developer and operator ECE Projektmanagement GmbH & Co KG in the restructuring of its electricity supply and conversion to a CO2-neutral source. It is intended that the energy costs of the German ECE portfolio will be lowered by 7.86 million euros through to the end of 2019. We have been assisting ECE since 2011 in various areas of its operating costs management.

Aurelis Real Estate GmbH

Aurelis is an asset manager and project developer specialising in corporate real estate. Headquartered in Eschborn, it has regional offices in Hamburg, Duisburg and Munich. Since 2017 Argentus has been conducting projects in the field of strategic energy procurement for numerous locations, and in doing so has been able to attain significant savings.


BEOS AG is a German investment manager with a portfolio of 80 corporate properties for whom Argentus has been performing comprehensive strategic operating costs management since 2014.

aik Immobilien-Investment GmbH

In a far-reaching project for the German real estate portfolio of aik Immobilien-Investmentgesellschaft mbH Argentus has restructured and extensively bundled the entire energy procurement. As a result the Düsseldorf-based financial investment management company has been able to lower its entire energy costs for the managed real estate portfolio in Germany by more than 1.35 million euros. Prior to this there were individual supply contracts with local energy providers for the some 140 aik properties in Germany.

Vivawest Wohnen GmbH

On behalf of Vivawest we have lowered the gas costs for 4,715 Vivawest apartments by approx. 4.9 million euros, by 26% therefore, by synchronising the contractual periods and bundling the volumes delivered.

Hamborner REIT AG

Hamborner REIT AG is a portfolio holder for high-yield commercial real estate which Argentus has been assisting in the field of strategic energy procurement as well as providing with technical and commercial advice since 2012.


Argentus has been supporting the international asset manager Principal Investment for many years in its professional operating costs management.

BNP Paribas Real Estate Holding GmbH

Argentus is responsible for the current and future energy procurement of BNP Paribas Real Estate. The term of the current energy framework agreements is three years through to 2021. The present agreements with a term from 2016 to 2018 are already based on a cost-optimised procurement concept. By the time these expire the cost saving over the three years will total 3.85 million euros, which corresponds to approx. 40 per cent of the entire procurement volume; in the case of electricity the saving is 2.46 million euros and thus about 42 per cent, with gas it is 1.39 million euros or 39 per cent.

Art-Invest Real Estate Management

Art-Invest Real Estate is a real estate project development and investment company, which Argentus has been supporting since 2013 on topics such as energy procurement and a sustainable reduction in operating costs.

Cromwell Property Group

We have lowered the operating costs for the German portfolio of the Cromwell Property Group by more than one million euros. In addition, the energy supply will be CO2-neutral in the future and the electricity supply will entirely comprise renewable energies. The use of renewable energy sources for the energy supply is part of the sustainability strategy of Cromwell. Argentus has been supporting and advising Cromwell for many years now.

Vistra Property Management GmbH

Vistra is a leading global service partner in the fields of alternative investments, real estate and corporate services. For the Property Management team in Germany Argentus is a partner in the fields of energy procurement and operating costs management.

Assetando Real Estate GmbH

The Assetando Group (Hamburg) was founded in 2012 and since the beginning of 2016 has also functioned as the central property management unit of Ernst Russ AG. Among other things Argentus is active on behalf of Assetando in the framework of several projects to optimise its electricity and gas procurement, and also acts as a consultant on the structuring of the facility management services for a large property.