Services de développement web personnalisés

If it lives on the web, we can build it. From focused business tools to complex platforms with multiple roles, integrations, data flows, and custom logic, we shape the product around what it needs.

700+

custom web projects delivered

500+

web development experts

19+

years of web development expertise

If it lives on the web, we can build it. From focused business tools to complex platforms with multiple roles, integrations, data flows, and custom logic, we shape the product around what it needs.

700+

custom web projects delivered

500+

web development experts

19+

years of web development expertise

Services
Solutions
Projets
Avantages
Processus
Avis clients

Nos services de développement web personnalisés

  • Développement de sites web
  • Applications web
  • Portails web
  • Front end
  • Back end
  • API et intégrations
  • Design UX/UI
  • Modernisation
  • Performance
  • Soutien et maintenance

Custom website development

Our custom website development services cover corporate sites, customer-facing platforms, content-heavy websites, and other projects that need more than a standard template.

Well-dressed focused developer coding on a laptop at a shared desk in a modern office setting.

Développement d'applications web

We build browser-based products around your workflows, users, and business rules, from focused internal apps to complex customer-facing systems.

Software development team working on a project in a bright workspace with large windows overlooking the city skyline.

Développement de portails Web

Create one place for customers, employees, partners, or vendors to access the data, services, documents, and tools relevant to them.

View our web portal development services arrow.
A developer writing code and visualizing data flows for a complex software project.

Développement front-end

Our developers build responsive interfaces that make complex functionality clear, usable, and consistent across devices.

View our front-end development services arrow.
Developers collaborating and reviewing code together in a software project meeting.

Développement back-end

We develop the server-side logic, databases, services, and infrastructure that keep your web product stable as traffic, data, and functionality grow.

View our back-end development services arrow.
IT expert on a sprint planning video call with clients, wearing earphones and focused on a computer screen in a bright office space.

API development & integrations

Connect your web solution with CRM, ERP, payment systems, third-party services, legacy software, and other tools your business already depends on.

View our custom API development services arrow.
Platform engineers configure API gateways to orchestrate secure communication across service networks.

UX/UI design & redesign

We design clear, easy-to-use journeys and interfaces around real user needs and business goals, for both new products and existing ones.

View our UI/UX design services arrow.
UI designer fine-tunes high-fidelity mockups to align with product branding.

Web modernization

Move away from outdated frameworks, hard-to-maintain code, and technical limits without throwing away parts of the product that still work.

Developer analyzing data dashboards on dual monitors while writing code at the desk.

Performance improvement

We address slow page loads, heavy queries, inefficient code, infrastructure limits, and other issues that hold back user experience or system capacity.

Reviewing detailed performance metrics and project statuses on a real-time dashboard.

Maintenance et soutien

Keep the product healthy after release with updates, bug fixes, security work, monitoring, performance checks, and ongoing feature development.

Team members gathered around a desk, debugging a software issue in front of a screen in a naturally lit office.
Custom website development

Our custom website development services cover corporate sites, customer-facing platforms, content-heavy websites, and other projects that need more than a standard template.

Well-dressed focused developer coding on a laptop at a shared desk in a modern office setting.
Développement d'applications web

We build browser-based products around your workflows, users, and business rules, from focused internal apps to complex customer-facing systems.

Software development team working on a project in a bright workspace with large windows overlooking the city skyline.
Développement de portails Web

Create one place for customers, employees, partners, or vendors to access the data, services, documents, and tools relevant to them.

View our web portal development services arrow.
A developer writing code and visualizing data flows for a complex software project.
Développement front-end

Our developers build responsive interfaces that make complex functionality clear, usable, and consistent across devices.

View our front-end development services arrow.
Developers collaborating and reviewing code together in a software project meeting.
Développement back-end

We develop the server-side logic, databases, services, and infrastructure that keep your web product stable as traffic, data, and functionality grow.

View our back-end development services arrow.
IT expert on a sprint planning video call with clients, wearing earphones and focused on a computer screen in a bright office space.
API development & integrations

Connect your web solution with CRM, ERP, payment systems, third-party services, legacy software, and other tools your business already depends on.

View our custom API development services arrow.
Platform engineers configure API gateways to orchestrate secure communication across service networks.
UX/UI design & redesign

We design clear, easy-to-use journeys and interfaces around real user needs and business goals, for both new products and existing ones.

View our UI/UX design services arrow.
UI designer fine-tunes high-fidelity mockups to align with product branding.
Web modernization

Move away from outdated frameworks, hard-to-maintain code, and technical limits without throwing away parts of the product that still work.

Developer analyzing data dashboards on dual monitors while writing code at the desk.
Performance improvement

We address slow page loads, heavy queries, inefficient code, infrastructure limits, and other issues that hold back user experience or system capacity.

Reviewing detailed performance metrics and project statuses on a real-time dashboard.
Maintenance et soutien

Keep the product healthy after release with updates, bug fixes, security work, monitoring, performance checks, and ongoing feature development.

Team members gathered around a desk, debugging a software issue in front of a screen in a naturally lit office.
Hays logo.Spar logo. Tietoevry logo. BS2 logo. Digital science logo. GMV. CBQK.QA logo. Topcon logo.NTT Data logo. Familux Resorts logo. LAPRAAC logo.
Hays logo.Spar logo. Tietoevry logo. BS2 logo. Digital science logo. GMV. CBQK.QA logo. Topcon logo.NTT Data logo. Familux Resorts logo. LAPRAAC logo.
Hays logo.Spar logo. GMV. Tietoevry logo. BS2 logo. Digital science logo. CBQK.QA logo. GMV.
Hays logo.Spar logo. GMV. Tietoevry logo. BS2 logo. Digital science logo. CBQK.QA logo.
Topcon logo.NTT Data logo. Familux Resorts logo. LAPRAAC logo.
Topcon logo.NTT Data logo. Familux Resorts logo. LAPRAAC logo.

Custom web development solutions

Your business has outgrown the template

AI capabilities for web solutions

AI assistants & chatbots AI chatbot icon.
AI search
Content & recommendations AI agent hierarchy icon.
Document & data processing Data pipeline icon.
Automatisation du flux de travail Process automation icon.
AI analytics Banking analytics icon.
AI content generation
Fraud & anomaly detection
Voice & speech features

Why choose custom web development

01/04

Business-specific workflows & UX

Custom development makes sense when your processes, users, or product model do not fit neatly into an existing platform. The software follows the business rather than forcing the business to work around software limits.
02/04

Architecture built for growth

Plan for higher traffic, more data, new modules, new markets, and changing product requirements from the start instead of rebuilding every time the business moves forward.
03/04

Complex system integrations

Connect the web product with the systems that already run your business, including ERP, CRM, payments, analytics, logistics, identity providers, and legacy software.
04/04

Full control over performance & code

Own the technical direction of the product, choose how features are built, and address performance or maintenance issues without depending on the limits of a template.
01

Business-specific workflows & UX

02

Architecture built for growth

03

Complex system integrations

04

Full control over performance & code

Pourquoi choisir Innowise

En tant que custom web development company, we bring design, engineering, QA, DevOps, and support into one delivery team, so you do not have to coordinate several vendors. We can take a product from early discovery to release, step into an existing build, or continue development as your priorities change.

Clutch.
Clutch.
Clutch.
IAOP.
E-commerce Berlin Expo.
IAOP.
VendorLand.
VendorLand.
IAOP.
CRN.
CRN.
AI and Software Development Awards.
HTN Awards.
UK Business Tech Awards.
Technology Awards by Business Awards UK.
The Cloud Awards.
Global Brand Awards.
FinTech Breakthrough Awards.
Clutch.
IAOP.
Wadline.
SoftwareWorld.
Selected Firms.
GoodFirms.
ITFirms.
DesignRush.
Clutch.
TopDevelopers.
ITFirms.
IAOP.
IAOP.
Clutch.
Clutch.
Clutch.
Clutch.
Clutch.
IAOP.
E-commerce Berlin Expo.
IAOP.
VendorLand.
VendorLand.
IAOP.
CRN.
CRN.
AI and Software Development Awards.
HTN Awards.
UK Business Tech Awards.
Technology Awards by Business Awards UK.
The Cloud Awards.
Global Brand Awards.
FinTech Breakthrough Awards.
Clutch.
IAOP.
Wadline.
SoftwareWorld.
Selected Firms.
GoodFirms.
ITFirms.
DesignRush.
Clutch.
TopDevelopers.
ITFirms.
IAOP.
IAOP.
Clutch.
Clutch.
Clutch.
Clutch.
Clutch.
IAOP.
E-commerce Berlin Expo.
IAOP.
VendorLand.
VendorLand.
IAOP.
CRN.
CRN.
AI and Software Development Awards.
HTN Awards.
UK Business Tech Awards.
Technology Awards by Business Awards UK.
The Cloud Awards.
Global Brand Awards.
Clutch.
Clutch.
Clutch.
IAOP.
E-commerce Berlin Expo.
IAOP.
VendorLand.
VendorLand.
IAOP.
CRN.
CRN.
AI and Software Development Awards.
HTN Awards.
UK Business Tech Awards.
Technology Awards by Business Awards UK.
The Cloud Awards.
Global Brand Awards.
FinTech Breakthrough Awards.
Clutch.
IAOP.
Wadline.
SoftwareWorld.
Selected Firms.
GoodFirms.
ITFirms.
DesignRush.
Clutch.
TopDevelopers.
ITFirms.
IAOP.
IAOP.
Clutch.
Clutch.
FinTech Breakthrough Awards.
Clutch.
IAOP.
Wadline.
SoftwareWorld.
Selected Firms.
GoodFirms.
ITFirms.
DesignRush.
Clutch.
TopDevelopers.
ITFirms.
IAOP.
IAOP.
Clutch.
Clutch.

Our custom web development process

1. Requirements and discovery

We clarify users, business goals, functionality, constraints, integrations, and priorities before development decisions are locked in.

2. Architecture

Our architects define the system structure, data flows, components, integrations, and infrastructure around the expected workload and future changes.

3. UX/UI design

Designers map user journeys, prepare prototypes, and create interfaces around real tasks rather than decoration alone.

4. Development

Front-end and back-end engineers build the agreed functionality in manageable stages, with regular reviews along the way.

5. Testing

QA specialists check functionality, integrations, usability, security, compatibility, and performance before release.

6. Deployment

We prepare the environment, release the product, check production behavior, and address issues that appear during rollout.

7. Maintenance

After launch, the team can fix issues, update dependencies, improve performance, and build new functionality as the product grows.

Is your current web product holding the business back?

Modernize the parts that slow you down without rebuilding everything from zero.

Ce que pensent nos clients

Tous les témoignages (62)

Ce qui nous a particulièrement marqués, c'est la rapidité avec laquelle leurs ingénieurs ont dépassé le simple traitement des tickets : ils sont devenus de véritables experts du domaine, signalant les cas limites et remettant en question de manière réfléchie les exigences lorsque cela s'avérait nécessaire.
Jacob Golder
Directeur de Engineering, Scentbird
Lire l'avis complet
Voir les détails du projet
L'équipe Innowise a fait preuve de professionnalisme et d'initiative, relevant avec autant d'efficacité les défis stratégiques que les urgences. Elle a systématiquement mis à profit les meilleures pratiques en matière d'IA responsable, de moteurs de commerce électronique et de technologies web.
Jonas Kullgren
PDG, Vidda Solutions AS
5.0
Lire l'avis complet
Voir les détails du projet
Nous savions que notre projet de site web était complexe et qu'il nous fallait des experts compétents pour le mener à bien. Heureusement, Innowise était là pour nous guider à chaque étape. Ils ont fait preuve d'une grande flexibilité, d'une réelle gentillesse et ont toujours réussi à trouver une solution.
Oleksandr Gerekhanov
Tête de IT à FLYYO, FLYYO
5.0
Lire l'avis complet
Voir les détails du projet

Secteurs que nous accompagnons

  • Finances
  • Santé
  • E-commerce
  • Industrie manufacturière
  • Logistique
  • Les médias
  • RH
  • Services

Finances

Build secure web products that make complex financial services easier to access, manage, and scale.

  • Client and investor portals
  • Payment and transaction platforms
  • Reporting and account management systems
AI-driven finance dashboard overlays urban skyline, highlighting real-time analytics for smarter investments.

Santé

Create web solutions that support sensitive data, complex workflows, and better access for patients and staff.

  • Patient and provider portals
  • Appointment and care management systems
  • Internal clinical and administrative tools
Healthcare professionals reviewing neurological MRI results on a multi-screen setup.

E-commerce

Build web products that make buying easier while giving teams more control over sales, operations, and customer data.

  • Magasins en ligne
  • Marketplace platforms
  • Customer account and loyalty portals
Online clothing store with secure payment input via laptop interface.

Industrie manufacturière

Connect people, systems, and production data through web tools built around day-to-day operations.

  • Production and inventory dashboards
  • Supplier and dealer portals
  • Order and workflow management systems
Automated assembly line uses AI-driven robotics for agile, data-powered production and quality control.

Logistique

Give teams and customers clearer access to shipments, routes, documents, and operational data.

  • Shipment tracking portals
  • Fleet and route management tools
  • Order and delivery dashboards
Smart supply chain powered by automation, analytics, and real-time visibility.

Voyage

Build web products that simplify booking, account management, and service delivery across complex travel operations.

  • Booking platforms
  • Customer and partner portals
  • Reservation and itinerary management systems
Connected travel platforms enhance trip planning, booking, and real-time experience for tourists.

Médias et divertissement

Create high-traffic web products for publishing, subscriptions, streaming, and audience engagement.

  • Plateformes de diffusion en continu
  • Subscription and membership portals
  • Content publishing systems
Digital entertainment platforms offer live streaming, AR effects, and interactive concert experiences.

Services professionnels

Replace scattered tools and manual work with web products that make client and internal processes easier to manage.

  • Client portals
  • Project and workflow systems
  • Reporting and document management tools
Computer workspace for professional web development.

FAQ

Custom web development cost depends on the scope, product complexity, design requirements, integrations, security needs, team composition, and delivery model. We estimate the work after clarifying what needs to be built, what systems it must connect to, and which requirements have the biggest effect on effort.

Yes. We can update an existing solution without assuming the whole product needs to be rebuilt.

Depending on its condition, the work may involve front-end or back-end replacement, architecture changes, framework updates, cloud migration, database work, performance improvements, or gradual replacement of legacy components.

Yes. API development and system integration are part of our custom web development services. We can connect web products with CRM, ERP, payment providers, identity systems, analytics tools, logistics platforms, third-party APIs, legacy applications, and other software already used by your business.

Source-code ownership and intellectual property terms are defined in the project contract. For project-based delivery, the agreement can provide for transferring the agreed codebase and related documentation to the client as part of handover.

Yes. As a top custom web development company, our support continues after release and covers bug fixing, monitoring, security updates, dependency updates, infrastructure work, performance improvements, and new feature development.

The setup can also change over time, from focused post-launch support to a longer product development engagement.

The timeline depends on what you are building. A focused website and a multi-role SaaS platform with several integrations require very different amounts of design, engineering, and testing.

We define the expected delivery stages and schedule after discovery rather than giving a generic timeline before the scope is understood.

Custom development gives you control over functionality, UX, architecture, integrations, and future changes. It is particularly useful when standard software cannot support your workflows without heavy workarounds or when the web product itself is an important part of how the business makes money or serves customers.

Technical SEO requirements will be built into development from the start. This can include semantic markup, mobile behavior, crawlability, URL structure, metadata handling, page speed, redirects, structured data, and CMS controls needed by content and SEO teams.

Search rankings still depend on factors beyond development, including content, competition, authority, and the wider SEO strategy.

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