About Insitu

Let us take you to the right place

Insitu, which means “in the right place” in English, describes our philosophy in one word. As aficionados of Berlin’s property market, we see ourselves as competent and highly efficient partners in the search to find the right place for your investment.

As an exclusive partner of project developers, we are intensely committed to every one of our projects.


Highest level of professionalism

The INSITU team together boast more than 90 years of experience in selling real estate. After a great number of successfully marketed projects, we know exactly what matters and we have the answers to all your questions about real estate and property financing.


Best possible service

For us, good customer service means seamless, trustworthy and personal care for our customers as well as individual consultancy that achieves your goals. Customer wishes enjoy utmost priority with us.


Customer satisfaction

Customers will find in INSITU Immobilien Konzepte a trustworthy and committed contact partner who will support every sales process with discretion and transparency. The average rating we receive from customers, 4.9 out of 5 stars, speaks for itself.

We are looking for

We are currently seeking:

Real estate consultant on a self-employed basis – Sales (m/f)

INSITU Immobilien Konzepte GmbH is a company specializing in the sale of real estate. Our core business lies in the sale of condominiums and commercial properties in Berlin’s inner-city locations for institutional as well as private investors.

Are you interested in a new professional challenge?
We are looking forward to receiving your application.


Our team

CEO / Managing Partner

Petra Weber

Petra Weber, born in Landstuhl, Rhineland-Palatinate, holds a degree in Business Administration from the “Freie Universität Berlin”.

She is the CEO of INSITU Immobilien Konzepte GmbH and has more than 20 years of experience in the marketing of residential and commercial real estate.


Sybilla Mentzel

As a qualified administrative assistant, Sybilla Mentzel has been working for more than 10 years in the real estate sector. She has already worked for several of the big names in the property business.

Real Estate Consultant

Nikolai Zschieck

Nikolai Zschieck is a qualified insurance salesman and has worked as a successful estate agent in Berlin’s property market for more than 20 years. He is also happy to advise international customers in English.