What Does iSi Group Do?

Total employees715
HeadquartersMünchen
Founded1867

isi-gruppe is a prominent German real estate company specializing in property development, investment, and asset management. Headquartered in Munich, the company, founded in 1996 by Quirin Hofer, focuses on creating sustainable and high-quality living and working spaces, primarily in Southern Germany and other major metropolitan areas. They are known for their strategic approach to real estate projects, encompassing acquisition, planning, construction, and sales, catering to both private and institutional investors.

Where Is iSi Group's Headquarters?

HQ Function

The Munich headquarters serves as the central command for all strategic planning, project development, investment management, financial operations, sales, marketing, and administrative functions of isi-gruppe.

Notable Features:

The headquarters at Prinzregentenstraße 78 is situated in Bogenhausen, a prestigious and historically rich district of Munich. While specific internal architectural details are proprietary, the location itself is notable, offering excellent connectivity and a representative business environment. The building likely features modern office amenities designed to foster collaboration and efficiency.

Work Culture:

isi-gruppe promotes a work culture centered on expertise, innovation, sustainability, and collaborative teamwork. Employees are encouraged to take initiative and contribute to the company's success in the dynamic real estate market, with a strong emphasis on professionalism, quality, and long-term value creation.

HQ Significance:

Its Munich headquarters is strategically vital, placing isi-gruppe at the heart of one of Germany's most important real estate markets. This prime location facilitates close relationships with key partners, financial institutions, and provides access to a skilled talent pool.

Values Reflected in HQ: The choice of a prime Munich location and a presumably high-standard office environment reflects isi-gruppe's core values of quality, professionalism, stability, and a long-term commitment to excellence and sustainability in the real estate sector.

Location:

isi-gruppe primarily operates from its headquarters in Munich, Germany. Its activities, including property development, investment, and asset management, are concentrated within Germany, with a strong focus on Bavaria (e.g., Munich, Nuremberg, Regensburg) and other key German metropolitan regions such as Berlin, Frankfurt, Hamburg, and Leipzig. While they may engage with international partners or investors, their physical office presence and core operational teams are centralized in Munich, managing projects nationwide.

Street Address:

Prinzregentenstraße 78

City:

München

State/Province:

Bavaria

Country:

Germany

Where Else Does iSi Group Operate Around the World?

No additional office locations available.

Buying Intent Signals for iSi Group

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading iSi Group? Meet the Executive Team

As of April 2025, iSi Group' leadership includes:

Quirin Hofer - Geschäftsführender Gesellschafter (Managing Partner & Founder)
Jan Heidecker - Geschäftsführer (Managing Director)
Robert Töpfer - Geschäftsführer (Managing Director)

Who's Investing in iSi Group?

iSi Group has been backed by several prominent investors over the years, including:

isi-gruppe is a privately held 'Unternehmensgruppe' (group of companies). It is primarily funded through the private capital of its founder and managing partner, Quirin Hofer, alongside project-specific financing from banks, and co-investments with institutional and private partners. Specific equity investors are not publicly listed.

What Leadership Changes Has iSi Group Seen Recently?

Hire0
Exits0

Based on publicly available information and recent news, there have been no major publicly announced changes (hires or exits) impacting isi-gruppe's top executive team (Managing Partner and Managing Directors) in the last 12 months. The leadership structure appears to have remained stable.

What Technology (Tech Stack) Is Used byiSi Group?

Discover the tools iSi Group uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

iSi Group Email Formats and Examples

isi-gruppe likely utilizes standard corporate email formats for its employees, based on their domain isi-gruppe.de. Common patterns include combinations of first name, last name, and initials.

A common format is [first_initial].[last_name]@isi-gruppe.de (e.g., m.mustermann@isi-gruppe.de). Another possibility is [first_name].[last_name]@isi-gruppe.de.

Format

q.hofer@isi-gruppe.de

Example

85%

Success rate

What's the Latest News About iSi Group?

isi-gruppe.de (Press Release)November 24, 2023

isi-gruppe Celebrates Topping-Out Ceremony for 155 Rental Apartments in 'Ludwig Gärten', Neu-Ulm

isi-gruppe marked a significant milestone with the topping-out ceremony for its 'Ludwig Gärten' project in Neu-Ulm, which will feature 155 new rental apartments. The development aims to provide modern, sustainable living spaces in the region....more

isi-gruppe.de (Press Release)October 19, 2023

isi-gruppe Launches Sales for 80 Condominiums in Munich-Pasing

isi-gruppe has commenced the sales process for 80 new condominiums in the 'Elements Pasing' development located in Munich-Pasing, offering contemporary homes in a desirable district of Munich....more

isi-gruppe.de (Press Release)June 29, 2023

isi-gruppe's Residential Project in Karlsfeld Receives DGNB Gold Pre-certificate

The 'Wohnpark PrinzZen Karlsfeld' residential project by isi-gruppe has been awarded the DGNB (German Sustainable Building Council) Gold pre-certificate, underscoring the company's commitment to sustainable building practices and high-quality design....more

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