Bonn at night – skyline with Post Tower, Minster and the Rhine bridge
BONN IS OUR HOME.

Property management,
reimagined.

Digital. Personal. Transparent.
For HOA (WEG) administration, letting and sales in Bonn and the surrounding area.

Phone hours · Mon–Thu 9:30–12:30, Fri 9:00–12:00
INTELLIGENT. FLEXIBLE. TAILOR-MADE.

Processes that fit your property.

We analyse the actual needs of your property and the wishes of its owners – and automate exactly the processes that truly make sense.

01 ANALYSIS

We assess your property and your requirements.

02 CONCEPT

Tailor-made processes for your needs.

03 AUTOMATION

We only implement what genuinely makes sense.

04 IMPLEMENTATION

Digital processes implemented efficiently.

05 SUPPORT

Continuous optimisation and personal support.

1,100Units managed
14Years of experience
98 %Would recommend
100 %GDPR-compliant
BONN. ROOTED. CONNECTED.

We know Bonn. We love Bonn.

From Bad Godesberg to Beuel, from the Bundesviertel to Bornheim – we're here for you.

WHAT OUR CLIENTS SAY.

Real reviews. Real satisfaction.

★★★★★
“Thank you very much for your excellent work and great service. I look forward to continuing to work together.”
Eugen Drebant · March 2025
★★★★★
“Top administrator! Very likeable, correct and helpful. Everything went perfectly – thank you, Mr Nietz.”
Heinz Dümbgen · February 2025
★★★★★
“A very friendly property management team, always reachable and dedicated. I feel very well looked after.”
Brigitte · February 2024
THE NERDS BEHIND THE NERDS.

The team behind Immo-Nerds.

Sebastian Nietz

Sebastian Nietz

Managing Director · Technology, Processes & Accounting

The architect behind the systems.

Sebastian loves processes, automation and anything that makes day-to-day administration easier. While others see problems, he develops solutions – digital, efficient and with a passion for smart technology. Numbers? He's got them under control. Processes? Optimised. Chaos? Exists only in the test system, at most.

SUPERPOWERTurns complicated workflows into simple processes.

⚡ Favourite mode: Automate instead of repeat.
AS

Alina Schwalb

Executive Assistant · Accounting · Letting · Design · Management

The all-round nerd with the big picture.

Alina combines organisation, creativity and structure like almost no one else. Whether it's letting, accounting or the next design project – she makes sure everything fits together. With an eye for detail and the patience of a saint, she keeps the whole show running.

SUPERPOWERKeeps the overview even when everyone else has long lost it.

🎨 Favourite mode: Order meets creativity.
AK

Anika Kastenholz

Building Services & Damage Management

Our on-site problem solver.

Whenever something drips, jams or doesn't work the way it should, Anika is on the case. She coordinates tradespeople, handles damage claims and makes sure problems quickly turn back into solutions – reliably, pragmatically and without any big drama.

SUPERPOWERFinds the right final boss for every technical problem.

🔧 Favourite mode: Problem spotted. Problem solved.
JP

João Pedro Redlich Cardoso

All-rounder · Part-time

The man for everything that needs doing.

João lends a hand wherever help is needed right now. Whether it's property care, small repairs or spontaneous tasks – flexible, motivated and always ready to pitch in. A true team player you can rely on.

SUPERPOWERShows up exactly when support is needed somewhere.

🛠️ Favourite mode: Just get it done.
LET'S TALK.

Your property partner in Bonn & the surrounding area.

Get in touch →
BONN Buschdorfer Str. 4