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Île-de-France & Paris Custom Web Design & Digital Engineering

Custom Website Creation & Digital Solutions in Île-de-France

Fast websites, bespoke business software, and commission-free booking engines: built to simplify your operations and attract local clients.

100%
Bespoke & Proprietary Code
95+
Google Speed & Performance
7/7
Direct Support
Paris (75)
Registered French SAS
seostech.fr · Ecosystem
Site Web & SEO
Lighthouse 98
1st Page Google
Design & UX
Sur-Mesure
100% Responsive & Rapide
Réservations
24h / 7j
0% Commission
SaaS Sur-Mesure
Automatisé
Time Saving
Online presence audit delivered within 2h

Tailored Solutions for Every Business Stage

No rigid packages. Starting from scratch or modernizing an existing tool? We deliver exactly what your business needs to grow.

New Projects

Modern Website Development

High-converting showcase and business websites. Sleek design, instant loading, fully mobile-responsive, and optimized to rank at the top of Google.

  • Bespoke design tailored to your brand
  • Blazing fast load speed (Lighthouse 95+)
  • Optimized for local and national Google SEO
Get Started
Existing Websites

Redesign & Modernization

Is your current website slow, outdated, or broken on mobile? We perform a comprehensive free audit and rebuild your digital presence with modern standards.

  • Free technical and UX audit
  • Zero-downtime seamless migration
  • Complete visual and technical overhaul
Free Audit
Search & Visibility

Local SEO & Google Maps

Dominate local search results across Paris and Île-de-France when potential customers search for your trade and services.

  • Google Business Profile optimization
  • Schema.org structured data & local tagging
  • Top ranking for industry search terms
Boost My SEO
Process Automation

Booking Engines & Web Tools

Streamline daily operations with 24/7 online appointment scheduling, calendar coordination, and tailored client qualification tools.

  • 24/7 Online scheduling system
  • Clean and intuitive management backend
  • Custom client qualification forms
Automate

Solutions Built for Your Industry

Every industry has specific requirements. Discover how we digitalize your business operations.

Hospitality & Dining

Restaurants, Brasseries & Caterers

Interactive QR code digital menus, commission-free table bookings, Click & Collect online ordering, and Google Maps optimization to capture local patrons.

Direct table bookings with 0% commissions Real-time editable dynamic QR menu Dominant local Google search visibility
Configure for my restaurant →
Beauty & Wellness

Hair Salons, Barbershops & Beauty Spas

Enable customers to book their slot anytime, day or night. Slash no-shows with automated SMS reminders and keep your chairs fully booked.

24/7 Online scheduling calendar Automated SMS appointment reminders Multi-stylist and chair schedule management
Configure for my salon →
Construction & Renovation

Construction, Contractors & Home Renovation

Build immediate trust with prospective clients: professional portfolio with before/after project galleries, interactive quote request forms, and local SEO.

Before & after project showcase gallery Instant detailed quote request form Regional search ranking in your territory
Configure for my construction business →
Retail & Local Shops

Local Boutiques, Retailers & Shops

Give your shop an elegant digital showcase from 990 € HT: product catalog, opening hours, Google Maps location, and direct local client engagement.

Product showcase & collection catalog Opening hours & Google Maps directions Verified Google customer reviews integration
Configure for my shop (From 990 € HT) →
Live Client Websites

Selected Client Projects

Live digital platforms designed and deployed for businesses in France.

Armada Official PC
Armada Official Mobile
Building, Renovation & Structural Works · Île-de-France

Armada Official

The Need:

High-end showcase of completed construction projects, building client trust, and capturing qualified quote requests.

Our Solution:

Lightning-fast responsive corporate site, before/after site gallery, interactive quote request flow, and local Île-de-France SEO.

High-resolution project gallery Interactive quote generator Local Île-de-France SEO
Visit live website
S7 Paris PC
S7 Paris Mobile
General Construction & Structural Works · Île-de-France

S7 Paris Bâtiment

The Need:

Establish a robust digital presence to showcase major masonry, renovation and building projects, attracting qualified B2B and private quote inquiries.

Our Solution:

Modern high-impact showcase website, detailed presentation of building trades, interactive quote request flow, and direct WhatsApp contact channel.

Building trade expertise showcase Construction site & craftsmanship gallery Direct quote request & WhatsApp
Visit live website
Hilal Yilmaz PC
Hilal Yilmaz Mobile
Personal Author Website & Creative Blog

Hilal Yilmaz

The Need:

Create a personal, refined digital space to publish essays, blog thoughts, creative insights, and foster direct connection with readers.

Our Solution:

Sophisticated and responsive editorial layout, optimized reading typography on mobile, thematic article indexing, and direct contact form.

Refined editorial publication layout Mobile & desktop reading comfort Thematic essays & direct contact
Visit live website
Launch Special

Transparent & Predictable Pricing

Professional websites at an accessible price, without compromising on engineering quality. Compliant VAT invoicing.

Site One Page

390 € 490 € excl. VAT
Excl. VAT · Perfect to start

A focused, single-page presentation optimized to introduce your services and capture direct phone calls.

  • Custom single-page brand design
  • 100% responsive smartphone & tablet
  • Contact form & direct call action
  • Core technical SEO setup
  • Free SSL & deployment included
  • 1 year free business email + mail.domain.fr webmail
Choose this plan

Site Business & Catalog

990 € 1 290 € excl. VAT
Excl. VAT · For growing companies

For established companies requiring an extensive catalog, deep page hierarchy, and strong local SEO.

  • 6 to 10 custom pages
  • Rich product and case study catalog
  • Advanced regional SEO structure
  • Interactive quote & lead forms
  • Google customer reviews integration
  • Dedicated technical assistance & support
  • 1 year free business email + mail.domain.fr webmail
Choose this plan

Bespoke Software & Web Apps

Custom Quote
From 1,490 € HT

Online booking platforms, management dashboards, or customized backend administration tools.

  • Bespoke PHP / MySQL architecture
  • Online booking and appointment scheduling engine
  • Secure and intuitive administration dashboard
  • Custom client qualification workflows
  • Independent deployment without vendor lock-in
Request custom quote
* Prices shown Excluding Taxes (HT). Billed under French VAT regulations (SAS ARMADA).

Peace-of-Mind Website Maintenance

Reliable technical support to keep your website fast, secure, and continuously backed up (cancel anytime).

Essential
19 € HT / mo

24/7 uptime monitoring, monthly external backups, and ongoing security patches.

Business
49 € HT / mo

Weekly backups, active security monitoring, 30 min monthly content edits, priority support.

Premium
99 € HT / mo

Daily backups, real-time security tracking, 60 min monthly content edits, quarterly technical SEO audit.

A La Carte Add-On Options

Additional static page 50 € excl. VAT
Additional language pack 30 € excl. VAT
Live WhatsApp chat button integration Included (Free)
Google Visibility Pack (Search Console + Google Business Profile) 90 € excl. VAT

Project Estimator & Free Audit

Select your requirements in 3 easy steps to receive a customized estimate and free audit report within 2 business hours.

1. What is your business sector?
Restaurant / Bar / Catering
Hair Salon / Barber / Spa
Construction / Renovation / Trade
Retail / Local Shop / Boutique
Professional Services / Other SME
2. What do you need?
New Showcase / Corporate Website
Redesign my existing website
Online Booking / Appointment System
Custom Business Software / SaaS
3. Where should we send your estimate?
Instant Indicative Estimate
From 390 excl. VAT
Estimated timeline: 2 to 3 weeks
Local & Nationwide Reach

Nationwide Service & Local SEO Across France

From Paris, Cannes, and Nice to Lyon, Marseille, Bordeaux, Toulouse, Lille, and Strasbourg, we implement geo-targeted digital solutions to help your business dominate local search results.

Why Partner with Seos Technology?

A registered French company in Paris, transparent processes, and dedicated technical support.

Registered French SAS Company

SEOS Technology is a commercial brand operated by SAS ARMADA (SIRET 829 577 048 00038, RCS Paris, 16 rue Washington, 75008 Paris). Official contracts, compliant VAT invoicing, and full GDPR privacy standards.

Domain & Data Ownership

The domain name is registered directly in your name. You retain 100% exclusive ownership of your customer data.

State-of-the-Art & Ultra-Fast

We engineer lightweight, secure systems optimized for Google Core Web Vitals to maximize search visibility.

7/7 Dedicated Human Support

A reliable team directly accessible via phone, WhatsApp, or video calls to evolve your tools as you grow.

Proprietary Software Suite

The SEOS Digital Ecosystem: SeosMail & SeosBook

Much like top creative software suites, we build proprietary modules to liberate your business from costly recurring subscriptions: dedicated corporate webmail and commission-free booking.

SeosMail Logo 1 Year Free with your website

For every new website build (hosting + domain name included), receive 1 full year free of a bespoke domain-matched business email address (e.g. contact@yourdomain.fr). Access your messages on a modern, ultra-clean webmail interface inspired by Gmail simplicity on mail.yourdomain.fr.

Included with your website:
Corporate Email: contact@yourdomain.fr
Webmail Portal: mail.yourdomain.fr (Clean, fast & secure)
Click to enlarge
mail.domain.fr · Webmail
SeosMail Webmail Interface PC
SeosMail Mobile Webmail
  • 1 year free: professional email tied directly to your custom domain
  • Clean, clutter-free webmail experience (familiar and intuitive Gmail-like UX)
  • 100% responsive across PC, Mac, tablets, and smartphones
Get my website + 1 Year Free Email
SeosBook Logo Custom Module 24/7

Say goodbye to recurring commissions taken on every reservation. SeosBook is our proprietary booking and scheduling module, seamlessly integrated into your website to convert visitors into booked clients 24/7.

24/7 Online Booking
0% Commission
Automated Reminders
100% Smooth Mobile Experience
Zero Middlemen & Full Independence

Maintain 100% of your customer relationship without paying per-booking commissions to third-party platforms.

  • Direct 24/7 online bookings with 0% third-party commission
  • Intuitive calendar management, slot availability, and automated confirmations
  • Instant mobile booking experience for clients with zero app downloads needed
Add SeosBook to my project
SeosMail Webmail Interface
SeosMail Interface Zoom