Website development agency in Paris
Web design and development for Paris businesses, from our office at 75 Avenue de la Grande Armée.
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Website development in Paris: the short answer
UnFoldMart is a website development agency in Paris, a city of 2,138,551 people, with our office at 75 Avenue de la Grande Armée, 75016 Paris. Sites go live on WordPress, Shopify, Webflow or custom React and Next.js, checked against French rules before launch. Prices: €3,000 for an audit, from €7,000 for a build, and a free 30-minute call to start.
Website projects worth a look before your Paris build
DocTrePat
400% increase in organic search traffic
Farm Country Brewing
WordPress website with a custom theme.
What is Paris known for?
- The economy of the City of Paris is based largely on services and commerce.
- In 2021, the Paris Region’s GDP ranked first among the metropolitan regions of the EU.
- In 2021, the top French companies listed in the Fortune Global 500 all had their headquarters in the Paris Region.
- Station F is a business incubator for startups, noted as the world’s largest startup facility.
- La Défense, just west of the city, is the second-largest business district in terms of employment.
// City facts: Wikipedia: Paris
population · 2,138,551 (GeoNames)
region · Île-de-France, France
time zone · Central European Time (CET/CEST)
our office · 75 Avenue de la Grande Armée, 75016 Paris · 5 km from the city centre
searched for
“agence web paris” 3,600, “création site internet paris” 1,300 and “développement web paris” 260 searches a month, all in French (Semrush, France, 28 Oct 2026)
Which industries shape Paris?
Business and finance
- Of the 390,480 enterprises in Paris, 80.6 percent are engaged in commerce, transportation and other services.
- Finance and insurance are the largest sector in the central business district, with 16 percent of its employees.
Manufacturing and engineering
- The Paris region’s 800 aerospace companies employed 100,000 people in 2015.
Technology and software
- Boulogne-Billancourt, Issy-les-Moulineaux and the south of the 15th arrondissement form a centre for media and information technology.
Media and publishing
- The audiovisual sector in Seine-Saint-Denis has 200 media firms and 10 major film studios.
Airports, ports and trade fairs
- In 2018, Paris was the second-busiest airline destination in the world.
Retail and fashion
- The department store district in the 1st, 6th, 8th and 9th arrondissements employs ten percent of Paris workers.
Visitors and tourism
- Greater Paris received a record 38 million visitors in 2019, measured by hotel arrivals.
- In 2016, 12.4 percent of the workforce in Greater Paris worked in tourism-related sectors.
Websites we make for these Paris sectors
- For finance and corporate clients: clear multilingual sites with careers sections and every legally required page.
- For industrial companies: clear product and spare-part pages, locations and job listings in several languages.
- Software firms: product sites with pricing pages, docs and landing pages your team edits itself.
- For media brands: editorial sites with structured data for search and simple publishing.
- For restaurants and venues: quick mobile pages, opening hours and booking in several languages.
How a Paris website project runs
From brief to launch: four steps and 6 to 10 weeks. Workshops run by video or at our office at 75 Avenue de la Grande Armée, by appointment, in Central European Time (CET/CEST). A staging link and a weekly demo show progress as it happens.
Which rules must a Paris website meet?
Every site we launch in Paris covers these 4:
Legal notices (mentions légales)
Every professional website in France must carry legal notices that identify the business, and they must be easy to find.
Service-Public: legal notices on a business website (in French)
Consent before cookies
Cookies that are not strictly necessary need the visitor’s consent before they are set, and consent is given by a positive action after clear information.
CNIL: cookies, what the law says (in French)
Privacy notice on every form
Contact and quote forms on a French site link a notice naming the business, its contact details, the purpose of each data use and its legal basis, as the GDPR requires.
Accessible online shops
French online shops selling to consumers after 28 June 2025 fall under the European Accessibility Act: pages must be perceivable, operable, understandable and robust. Very small service businesses are exempt.
EUR-Lex: European Accessibility Act (Directive (EU) 2019/882)
Around Paris: nearby pages and our office
Our office is at 75 Avenue de la Grande Armée, 75016 Paris.
Paris · 75 Avenue de la Grande Armée, 75016 · this page
0 km
Website development in London 344 km north-west of Paris · 8,961,989 people · office →
Website development in Aachen 343 km north-east of Paris · 265,208 people →
Website development in Breda 350 km north-east of Paris · 184,126 people →
Website development in Tilburg 358 km north-east of Paris · 221,947 people →
Website development in Eindhoven 364 km north-east of Paris · 235,691 people →
Website development in Rotterdam 373 km north-east of Paris · 868,135 people →
Amsterdam office · website development page →
Frankfurt office · website development page →
Your Paris project team
office · 75 Avenue de la Grande Armée, 75016 Paris
time zone · Central European Time (CET/CEST), the same as Paris
next office · London, 337 km away (office to office)
site languages · French and English
Paris website budgets, in euros
Eight answers for Paris companies
Do you have an office in Paris?
Yes: 75 Avenue de la Grande Armée, 75016 Paris. Come by after booking a time with us; between meetings we work with you by video, on Central European Time (CET/CEST).
Have you built websites for Paris companies?
Not one we can name here yet. The website projects we can name are on our case studies page, such as Farm Country Brewing, a WordPress rebuild for a Canadian brewery, and DocTrePat, an SEO-led website with a 400% increase in organic search traffic.
Which rules must a Paris website meet?
Four key ones: legal notices (mentions légales); consent before cookies; privacy notice on every form; accessible online shops. They are part of every build, with links to the law in the rules section.
How much does a Paris website cost?
A Paris build starts at €7,000 (Starter) or €18,000 (Growth), and an audit of an existing site is €3,000. Larger Scale projects are quoted individually; all prices are in euros.
What do Paris businesses search for when they need a website?
We measured it with Semrush on 28 October 2026: 3,600 searches a month for “agence web paris”, 1,300 for “création site internet paris” and 260 for “développement web paris”, almost all in French; English phrases had no measurable volume.
Can our Paris website be in French and English?
Yes, French and English side by side, with a clear language switch. French is one of the 8 languages our team works in.
Do you build websites for Paris’s main industries?
Yes, including business and finance, manufacturing and engineering, technology and software, media and publishing, visitors and tourism. Above, each sector has a short list of the websites we make for it.
Which cities near Paris have their own website development pages?
Aachen (343 km north-east), London (344 km north-west), Breda (350 km north-east), Tilburg (358 km north-east), Eindhoven (364 km north-east) and Rotterdam (373 km north-east). All have their own website development page (distances from central Paris).