18 rue Saint-Vincent — 78100 Saint-Germain-en-Laye
+33 1 86 22 01 27  |  contact@trianon-immo.eu
Real Estate Agency & Training Center

Find your dream property or the career that fits you

Trianon Immobilier supports you in Saint-Germain-en-Laye and across Western Paris — Yvelines, Hauts-de-Seine, Val-d'Oise — with professionalism and a personal touch.

Explore our properties → Join our team
2019
Founded
35+
Agents
1,850
Transactions completed
500 m²
Market Center
Who We Are

Your trusted real estate
partner in Paris West

Trianon Immobilier team — Real estate experts in Saint-Germain-en-Laye, Yvelines

Our specialist advisors guide you with professionalism and personal care towards achieving your property goals in Saint-Germain-en-Laye and across the wider Paris West region, including Yvelines, Val-d'Oise and Hauts-de-Seine.

With deep knowledge of the local market and its specificities, our team of experienced professionals guides you through every step of your property journey.

Whether your project involves buying, selling or renting, we are committed to providing a tailor-made service adapted to your needs and objectives.

Our commitment: turning your real estate vision into reality through our recognised expertise and personalised approach.

Learn more →
Our Model

Revolutionising real estate

We are not an ordinary agency. Our interdependent model is centred on agents and their success.

🎓

Excellence in Training

The most advanced and comprehensive learning and professional development opportunities in the real estate industry. Programmes for beginners and seasoned professionals alike.

🤝

Personalised Coaching

Every agent, whether experienced or just starting out, benefits from a tailored coaching programme designed to help them build a thriving business from day one.

📡

Cutting-Edge Technology

The latest tools in marketing, communication and information systems are made available to all our agents.

🏢

Fully Equipped Market Center

500 m² dedicated to real estate in the heart of Saint-Germain-en-Laye. Open workspaces, private offices, and state-of-the-art equipment.

🌍

International Vision

Local approach, global network. Benefit from a structure built on strong values: integrity, loyalty and a family spirit.

🚀

Entrepreneurial System

Agents enjoy an interdependent relationship with the company. Build your own business without the financial, legal or managerial burdens.

What Sets Us Apart

A unique model,
centred on your success

Traditional Agencies

  • Agents are dependent on their agency
  • Earnings are mainly directed towards management
  • Fewer opportunities for career development
  • Training limited to the basics

Trianon Immobilier

  • Interdependent relationship, mutual interest
  • Earn up to 100% of your commissions
  • Leaders and agents working hand in hand
  • Ongoing training and personalised coaching
  • No financial or legal responsibilities to bear

Mandate Networks

  • Independent mandatees in a landlord/tenant relationship
  • Limited quality of training and support
  • Fewer career prospects
  • Professional isolation
We're Hiring

Build your future
with Trianon Immobilier

We are constantly seeking new talent — whether you are a beginner or an experienced real estate agent — to join the exceptional growth of our Market Center.

New Agent

Looking to start a career in real estate? Comprehensive training, personalised support and powerful tools from day one.

Experienced Agent

Already a real estate professional? Take your career to the next level with a model that truly rewards your talent.

Open Application

You have an entrepreneurial spirit and want to grow with a close-knit, supportive team? Tell us about your project.

Apply now →
Testimonials

They joined Trianon

After more than 10 years in financial controlling, I wanted to bring a more human dimension to my work. Trianon Immobilier's innovative model, focused on expansion, is a real driver for my business.

CG
Clément Gilot

With extensive experience in the hospitality industry, I chose to take on a new challenge. I joined Trianon Immobilier, with whom I share the same philosophy: integrity, respect and transparency.

IM
Iracema Mangoni

After 20 years in the family business, I made a radical career change and obtained a real estate diploma. I quickly joined Trianon to benefit from the strength of their support and team.

JB
Jérôme Berthelot
Contact

Let's discuss your project

Trianon Immobilier

Address 18 rue Saint-Vincent
78100 Saint-Germain-en-Laye, France
Phone +33 1 86 22 01 27
Email contact@trianon-immo.eu
Recruitment — Benoît Onillon +33 6 30 49 08 79
benoit.onillon@trianon-immo.eu

Share capital: €208,754 — RCS Versailles
SIRET: 75088736600052

18 rue Saint-Vincent — 78100 Saint-Germain-en-Laye Get directions →