100% success rate achieved through exceptional exceptional supportof your real estate project

Your sale or purchase managed properly by David Mesmacque


4 room apartment with covered box in private residence, for sale for the sum of 238 500 € (fees charged to the seller).

Your independent real estate salesman, registered with the RSAC of Chartres under the number 424314037, reachable at 062750951

house of 4 rooms of 74.37 m², 80 on the groundspan

This house of 4 levels built in 1900 is proposed to the purchase for 237 000 € (fees to be paid by the seller).

Your independent real estate agent Winkey, registered with the RSAC of Chartres under the number 424314037, reachable at 0627509551

Prestigious apartment in Puteaux 140m

This apartment on the 6th floor of a superb tower is offered for sale for 995 000 € (fees payable by the seller).

Your independent real estate agent Winkey, registered with the RSAC of Chartres under the number 424314037, reachable at 0627509551

Let’s get to know each other!

30 years of advice to companies and more than 10 years of service to individuals

Active mainly in the area of Le Vésinet 78110, I have offices in Meulan 78250 and I meet the needs of my customers on a national and even international scale.
If you would like to see all of my active offers published on my Winkey Group website, click on the title “MY PROPERTIES AVAILABLE FOR SALE!”

Whether it is for a sale, a purchase or a rental, my professionalism and my implication for my customers allow me to propose you solutions adapted and specific to your needs.

Other movements may be in progress and not yet published, be patient. Exclusive opportunities are also reserved for my privileged circle.

Don’t forget to register to get a sneak preview of all my news.

This will allow us to get to know each other and to consider how, if you wish, I can optimize your approach.
My team and I remain at your disposal for any further information, do not hesitate!

As a real estate professional, my role is to advise, to bring my services and to intervene on all the process of sale: from the prospection to the signature of the authentic act at the notary. With my experience and the support of my group, I carry out studies, value opinions, professional photos, specific research and I also advise on both the sale and acquisition projects.

Also partnering with other professionals, I complete my personal selections to respond even more widely to requests made to me. Tell me your desires, I will be happy to accompany you and answer your questions.

I offer you a tailor-made accompaniment and I commit myself to answer with care to all your requests.
Houses & apartments of standing, prestigious properties…

David Mesmacque

Sales agent (Sole proprietorship) – RSAC 424314037

Projects available, by appointment only: rentals for professionals and individuals!

Looking for business premises ?

We analyze all your needs, we establish the ideal strategy to implement and I study your financial project in order to optimize its implementation…

Are you an individual looking to rent?

I receive you in my office to analyze precisely your geographical need and to search for the ideal solution according to your financial capacities…

Do you want to go further?

My clients submit their projects to me as well as the provision of premises or rental spaces that I manage and/or optimize (home improvement, extension work…)

Examples supported…

House and studio with permaculture garden

The study was made in several stages dissociating the project of extension, embellishment and creation of the garden…

Multi-level townhouse with garden

Veranda extension, interior modifications, advice on exterior embellishment, value analysis and support…

Townhouse with enclosed courtyard and double garages

Accompaniment on the sale, financial strategy, then consiels and follow-up for a new construction project and modification…

Our properties available internationally…


We study all international projects in phase with our way of acting, travel, analysis on site

A complete exchange using communication tools at the top of the new technologies, allows us to remain coherent with the possibilities of the market and the answers brought to our customers


It is with an implacable rigor that we are at your side for a concordance of continuous actions

Each project is unique and our adaptation allows us to meet the expectations of our customers. This is why you can rely on us and be reassured about the feasibility of your project. The value analysis is done in compliance with the obligations of the country according to the policy in force

real estate project support

Italy in the running for this exceptional 1000 m² gite…

What if you found your property here?

Any particulars to detail? A specific need?

Value analysis

My first mission will be to study the feasibility of your project, then to realize a qualitative opinion of value which is based on numerous researches and calculations specific to my method.


Once the opinion of value is validated, it is recommended to study all the aspects of development of your property. I am here for that and with my efficient team, we bring you the ideal solutions.

Rigorous follow-up

It is at this stage that everything is played out, it remains for you to let me do my job and bring you the good news. Both sellers and buyers are satisfied and I was able to manage your project from A to Z!

Give yourself the privilege of adapted and tailor-made support!