4Stars Flats GmbH
ABOUT PROTRADER

A more considered way to rent a home.

ProTrader brings homes, tenants and a clear rental process together in one professional platform — from the first search to the next step of your move.

Explore homes →
OUR APPROACH

Built around the way people actually rent.

Finding a long-term home should feel clear, organised and supported. ProTrader is designed to remove unnecessary friction from the rental journey and keep the important information in one place.

From browsing available homes and choosing how to proceed, through identity verification, rental documents and payment confirmation, each stage is designed to be easy to understand.

Bright modern home interior
OUR MISSION

Make the rental journey feel simpler, clearer and more human.

We believe a rental platform should do more than display properties. It should help people understand what happens next, keep their documents organised and make it easy to reach the right support when they need it.

That is why ProTrader combines a curated property experience with a structured tenant journey, secure account access and direct communication with our team.

01Clear rental steps
02Secure tenant journey
03Direct human support
WHAT MATTERS TO US

Professional from first click to move-in.

Our platform is built around a few simple principles that shape the experience for tenants and landlords.

01

Clarity

Important information, costs and next steps should be easy to understand before you move forward.

02

Trust

We structure the rental journey around secure accounts, identity verification and organised documentation.

03

Support

When a question comes up, tenants can reach our team directly and keep moving with confidence.

04

Choice

Where a property offers both options, tenants can request a viewing or use Rent Now to proceed directly.

ONE PLATFORM, TWO SIDES OF THE MARKET

Designed for people looking for a home and those providing one.

Comfortable furnished home
FOR TENANTS

A clearer path to your next home.

Search available properties, compare the details that matter and keep your application, verification, contract, invoice and payment confirmation connected to one tenant account.

Find a home →
Modern residential property
FOR LANDLORDS

A professional way to present your property.

List your home with structured property information, images and rental details while giving prospective tenants a clear path from discovery to application.

List a property →
THE PROTRADER EXPERIENCE

Everything connected in one rental journey.

Search for a home. Choose how you want to proceed. Complete your account and verification. Review your rental documents. Follow the payment step. Keep track of what happens next from your tenant account.

01Find your home
02Apply or Rent Now
03Verify & review
04Complete the next step
4STARS FLATS

Built in Germany, designed for modern rental journeys.

4Stars Flats operates the platform with a focus on professional presentation, structured rental processes and responsive support.

4Stars FlatsKronskamp 323866 Nahe, GermanyEUID: DEX1517R.HRB11181KICommercial Register: HRB 110238
DIRECT SUPPORT

Have a question about a home?

Chat with our team on WhatsApp and get help with listings, applications or your rental journey.

Chat on WhatsApp ↗
START YOUR SEARCH

Ready to find your next home?

Explore available properties and choose the rental journey that works for you.