The prefecture of Hauts-de-Seine and the gateway to La Défense, Nanterre is home to companies and shops that gain a great deal from a local digital strategy. ConvertiLab works with businesses in Nanterre a few minutes from Rueil-Malmaison, in person or by video call, with a single point of contact: website design, local SEO and online advertising, at public prices, with a free mockup within 48 hours.
ConvertiLab is based in Rueil-Malmaison (92500) and works with businesses in Nanterre and across the Paris region, by video call or on site depending on your project.
Nanterre is the gateway to La Défense, the largest business district in Europe with more than 180,000 employees. That proximity creates strong demand for B2B, legal and property services. Businesses in Nanterre need websites that stand comparison with the standards of the large international groups based right next door.
The prefecture of Hauts-de-Seine, Nanterre combines Paris-Nanterre University, part of the La Défense business district and a base of small firms and shops that live off this double audience of students and office workers. The town is changing fast around its new districts, drawing in company headquarters and services.
For a Nanterre business, being next to La Défense sets the bar: your prospects compare your online presence with that of the large groups nearby. The good news is that purely local SEO competition is still affordable: a fast website and a well kept Google profile are often enough to take the top spots in Hauts-de-Seine for your trade searches.
Nanterre is the prefecture of Hauts-de-Seine and a town with two faces: on one side the towers and head offices of the Préfecture district, the Terrasses de l'Arche and Les Groues, carrying on from La Défense; on the other a town centre of shops, tradespeople and professional practices around La Boule, Vieux-Pont and the law courts. In between sit the university, the Max-Fourestier hospital, the port and the Guilleraies industrial estate. The searches 'website design Nanterre' and 'web design Nanterre' come from sole traders and small businesses who want to exist online against neighbours that are far bigger.
ConvertiLab is based in Rueil-Malmaison, the next town along: we can meet you at your premises in Nanterre or welcome you at the agency, and the rest of the project runs by video call, with a single point of contact and published prices. The mock-up of your home page is free within 48 hours, the written quote arrives within 24 hours, and you only commit once you have seen both.
ConvertiLab is a web agency that works with businesses in Nanterre and across the whole Hauts-de-Seine department. We do not simply build good looking sites: we design conversion tools that turn your visitors into customers, with local SEO so that your prospects in Nanterre find you easily on Google.
The four requests that come up most often, and the concrete answer to each one.
A five page brochure website at 890 €, bespoke design, first year of hosting included, copy reviewed with you. Redesign of an existing site at 690 €, landing page at 490 €. You sign off the free mock-up of the home page before committing to anything.
See the brochure website offerSolicitors, accountants, court enforcement officers, notaries: people looking for advice in Nanterre compare on Google before they call. One page per area of work, fees explained, a contact form, all within the rules of your professional body.
Request a free mock-upFrom Les Guilleraies to Petit-Nanterre, building firms sell to householders, managing agents and commercial clients who check everything online: photos of real jobs, detailed services, the area you cover, and a quote request straight from a phone.
Request a quoteA Google Business profile at your address, customer reviews, pages by town and by service: local SEO, from 500 € a month over a minimum of six months, is for Nanterre businesses that today are buried by results from Paris and La Défense.
Discover local SEOThe neighbourhoods, business parks and towns the enquiries most often come from.
Head offices, offices and B2B suppliers
Around the Préfecture, the Terrasses de l'Arche and Les Groues, consultants, service companies and subcontractors need a plain website: references, offers, the team, direct contact, so that buyers at large accounts choose them.
Solicitors, accountants and professional practices
The law courts, the commercial court and the prefecture concentrate professional practices here: one page per area of work, a clear path to getting in touch and an accurate Google Business profile make the difference.
Construction, trades and logistics
Les Guilleraies estate, the port of Nanterre, Petit-Nanterre: building firms, haulage companies and tradespeople need pages by service, real photos and a quote form that works on a phone.
Local shops, restaurants and healthcare
The town centre, the market, the University district, the area around the Max-Fourestier hospital: customers decide on a phone. Opening hours, menu, booking, directions from the RER, all of it has to load fast.
A simple, transparent process in 4 steps, from the first audit to going live
We look at your market in Nanterre, your competitors and your goals. A 30 minute call to understand your business and settle on the right digital strategy.
We create a bespoke mockup that you approve before any development starts. Modern, responsive design, aligned with your brand identity. Unlimited revisions included.
Built with the fastest technologies available (Next.js, React). A very quick, secure, SEO ready site, with a Google PageSpeed score you can check on delivery.
Going live, training on how to use it, and 30 days of support included. We stay available to develop your site as your needs change.
Three delivered projects, with their figures. The detail of each one is in our case studies.

Building & Renovation
Building trade brochure site with quote requests

Photography / Branding
Portfolio brochure site for a professional photographer

Cosmetics / K-Beauty
E-commerce site for a Korean cosmetics boutique
Concrete commitments, written into the quote. No nasty surprises.
You approve a mockup before the site goes live, then two rounds of revisions are included. You know what you are getting before you pay.
The price on the quote is the final price. No hidden costs, no surprises. You know exactly what you are paying.
Your brochure website is delivered in 7 to 14 days, and the deadline is written into the quote. For an online shop or an application, the deadline is set in the quote.
After delivery we stay beside you for 30 days, for any change, question or adjustment. We reply within 24 hours.
Everything you need to know before you start your web project
Join the 150+ clients we have supported and who trust us. Get a free, tailored quote within 24 hours. Brochure websites from €890, online shops from €1,490.
Payment only once you have approved the mockup. Spread payments available, no subscription.
A website, online advertising, SEO and CRM: each pillar can be ordered on its own, with a price and a deadline written down before we start. We work remotely for Nanterre as we do for the whole of France, by video call.
A website that brings in enquiries, not just a shop window
landing page €490, brochure site €89002Campaigns that cost less than they bring in
on request03Be found on Google, and quoted by AI
from €500 a month04Every enquiry tracked, followed up and turned into a customer
on requestA web agency in Hauts-de-Seine and across Île-de-France

Brochure site, online booking, hairstyle gallery: the real prices of a website for a hair salon in 2026, with the options compared and the return on investment.
Read the article
Freelance, creative studio or full-service agency: how do you choose the right web agency for your project in 2026? The 7 criteria that separate a serious agency from one that will cost you time and money.
Read the article
Website prices range from 300€ to 50,000€ depending on the project. Real prices by type of site (brochure, landing page, e-commerce), the factors that push the price up and the hidden costs to plan for, with ConvertiLab's own prices in the open.
Read the articleProfessional website for €890, free mock-up within 48 hours, delivered in 2 weeks
Find out moreGoogle listing, customer reviews, local citations, city pages
Find out moreSearch and Shopping managed on cost per enquiry, account in your name
Find out moreHubSpot, Salesforce, Pipedrive or your own, quotes followed up by email
Find out more