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People up and center

Environment. Social. Governance.

ESG as an integral part of our business

We are keen to assume social responsibility because we are convinced that we can have a positive influence on communities and people. The focal point of our activities and efforts is therefore each one of us as an individual. Our concern is about the employees in our company and about the people around us. Our concern is about society.


Taking ESG factors into account is a fundamental component of the organisation and operational processes at MÄHREN AG. We are convinced that acting sustainably will not only make MÄHREN AG futureproof but will also benefit our business partners and tenants. We attach great importance to adopting a strategic approach and to resolutely implementing ESG criteria in our daily work processes. Our activities are geared to tackling challenges head on and in a spirit of responsibility with tenable solutions.


To ensure this, we make sure that our employees work together to achieve the common ESG goals so that at the same time the emission limits laid down in the Paris climate agreement are met. MÄHREN AG subjects the application of the three ESG areas to regular internal review and enhancement.

For a common future
ESG: We take on responsibility

Responsibility for
the environment

ESG Society

Responsibility for employees,
society & tenants


Responsible corporate governance

Responsibility for the environment
Environment: Activities and goals
  • Our goal is to meet our entire energy needs with renewable energies through a change of provider
  • We continually improve our water management
  • Use of ecologically aware software solutions
  • We are successively migrating the entire vehicle fleet to hybrid and electric vehicles
  • MÄHREN AG owns 11.5 hectares of woods in Berlin that remain accessible to the general public and will in future be offered for social purposes
Responsibility for employees, society and tenants
Social: MÄHREN AG as an employer
  • We always pay attention to all our employees being able to achieve an optimum work-family balance. We offer home-office arrangements, parental leave and flexible work solutions
  • We expressly support gender equality and equal opportunities. The proportion of female employees has risen 20% in the past two years
  • We as employers make a 20% contribution to occupational pension scheme
  • We offer all employees permanent access to healthy food, such as fruit and vegetables, and once a week we offer a selected healthy lunch free of charge
  • According to the kununu platform, we are one of the most attractive employers in the sector
  • Our employees enjoy full employee rights
  • We offer numerous individual training and development opportunities and also mental coaching
  • We foster prospective managers both within the company and also across the sector by participating in young manager initiatives and networks
  • We are in constant dialogue with politicians concerning mutual tenant interests
  • Compliance with all occupational safety legislation
  • Our employees are entitled to 30 days’ vacation per annum
Real Estate
  • By reactivating partially unused housing we bring additional resource-friendly living space onto the market
  • We offer socially acceptable rents
Social commitment
  • With the support of the Jakob Mähren Foundation, we support numerous social projects for children in need
  • We make further donations to support projects that give children and families in need access to medical care
  • We are in ongoing dialog with policymakers regarding consensual tenant concerns

We have more than 70 employees in the company group - with a rising trend - and also prefer to resort to insourcing instead of outsourcing as a core business philosophy.


We attach great value to the compatibility of job and family. Therefore, for example, we offer flexible working hours and parental benefit plus and further elements to promote employees' satisfaction.

Young talent promotion

We promote the next generation of professionals in the form of internships and work student positions which we regularly offer.

Children's days

We organize children's days for our employees' children. This is one way we boost social cooperation among colleagues.

Local craft trades

We continually support local craft firms with commissions for our portfolio properties.

New living space

Since our company was founded, we have revitalized or erected 3,000 apartments in Berlin alone. We are also currently working on various new-build projects.


We refurbish dilapidated and uninhabitable properties, so that they can be put back on the housing market and people can find a new home.

No luxury refurbishments

We do not carry out luxury refurbishments, only to hike rents sharply and get rid of existing tenants. All our refurbishments serve to maintain the building structure and inhabitability.

Urban development

We play a part in urban development by refurbishing and embellishing facades, back yards and open spaces.


The Jakob Mähren Foundation helps people in need. A multi-facetted engagement in children's homes and neighborhood associations through to school projects with a focus on Berlin.

Responsible corporate governance
Governance: Activities and goals
  • Our business philosophy is to establish and maintain business and customer relationships over and for the long term
  • Our goal is to define clear responsibilities within the company concerning compliance with ESG criteria
  • Digitalization of processes (less paper, fewer letters, lower resource consumption)
  • We continuously review internal work processes and adjust them when and where necessary
  • Compliance
  • Money laundering prevention and meeting transparency requirements
  • Cooperation with regional service and other suppliers
  • Data protection
  • Risk management
The Jakob Mähren Foundation
Learn more about the social engagement of CEO Jakob Mähren
Jakob Mähren is well known far beyond the Berlin city limits as company founder, CEO and real estate investor. In particular, in 2015 he founded the Jakob Mähren Foundation and through it supports selected social projects. Both professionally and also privately, the native Berliner has in the past engaged in social projects with great elan.
stiftung 287274946


Jakob Mähren Foundation

“Everybody can help.”

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