Custom Web App Development for Businesses
Want to build a web app? We plan, design and develop browser-based applications that work without installation – in-house in Itzehoe, from analysis to ongoing operations.
Partners & References
When a web app is the right solution
A web app pays off when standard software doesn't cover your process and that process is business-critical.
It runs as a web application in the browser, needs no installation and brings roles, data and processes together in one place. We develop in-house in Itzehoe – from analysis to ongoing operations. Typical triggers are manual workarounds, scattered data in ERP, CRM and file storage, or a portal that customers and partners should be able to use themselves. As part of our custom software development we connect business, IT and operations; for native apps, our mobile app development is the better fit.
- Browser-based: no installation, updates run centrally.
- Roles and permissions: everyone sees only what they should see.
- Data and processes: status, approvals and reports in one place.
- Integration: ERP, CRM and third-party systems via APIs.
What we take on – from analysis to operations
We cover the entire path from process analysis to operations – with clear results and a prioritized MVP scope.
Analysis & MVP scope
We clarify process, users, data and systems. You get a prioritized MVP scope instead of a wish list.
UX/UI & prototype
We design the user journey and a clickable prototype. You see the solution before the first line of code.
Development
We build frontend and backend with a clear architecture and short iterations. Code reviews and tests are standard.
Integration
We connect ERP, CRM and third-party systems via APIs – within the agreed scope. Data and permissions stay consistent.
Quality & operations
Tests, CI/CD and monitoring secure every release. We can take over cloud operations if you want.
How development works – in five phases
We work in five phases – from the first call to operations.
Step 1 of 5: First call
First call
Tell us about your project and we'll listen, ask the right questions, and work out together what the web app needs to do, which systems are involved, and whether we're a fit.
You'll leave with a clear sense of how we'd approach the project — plus a first assessment of scope and next steps. Free and without obligation.
Analysis & concept
We dig into your processes and requirements: where does it hurt today, what should the web app accomplish? You bring the domain knowledge, we bring the technical perspective.
The result is a clear concept with goals, priorities, and a roadmap — the foundation for everything that follows.
Architecture & design
Before we build, we lay the foundation: a software architecture that fits your systems and can grow with your business.
Early designs and prototypes make the solution tangible — so you can see where things are heading before development starts.
Agile development
We develop in short sprints and show you working increments on a regular basis. Your feedback flows straight into the next iteration.
Step by step, your web app takes shape — and you keep full visibility of progress and effort.
Go-live & operations
We take your web app live with automated tests and clean deployments. After go-live we stay by your side: maintenance, updates, and ongoing development — so it keeps running smoothly and grows with your business.
If you like, we'll pass our knowledge on to your team.
- Step 1 of 5Free
Tell us about your project and we'll listen, ask the right questions, and work out together what the web app needs to do, which systems are involved, and whether we're a fit.
You'll leave with a clear sense of how we'd approach the project — plus a first assessment of scope and next steps. Free and without obligation.
What a web app costs – and how long it takes
What a web app costs depends mainly on four factors – a flat fee would be unrealistic. The key drivers are scope, integrations, UX and operations.
- Scope: MVP or platform with multiple roles.
- Integrations: ERP, CRM, payment, identity and third-party systems.
- UX/design: user journey, prototype and design system.
- Security and operations: compliance, monitoring and cloud operations.
An MVP is often usable within a few weeks; a platform with multiple roles and integrations takes several months. In the first call, we outline a range and the assumptions behind it – no flat fee.
Web app, standard software or no-code?
A custom web app is the right choice when the process is business-critical and standard software or no-code reaches its limits. The decision is not just about budget, but about fit, integrations and operations.
| Criterion | Standard softwareReady-made product | No-code/builderBuilding kit | Our focusCustom web appBuilt for your workflow |
|---|---|---|---|
| Fit with the process | Only with customization | Simple workflows | Exactly your process |
| Integrations | Existing connectors | Less integration depth | ERP, CRM and APIs |
| Scalability | Proven for standard processes | Limits with complexity | Scalable by architecture |
| Operations & security | Vendor or IT operates | Shared responsibility | You or we operate it |
| Cost logic | License or subscription | Low start-up costs | Investment that has to pay off |
A custom web app is not the right choice if a standard product covers 90 percent of the process, the budget for an MVP is missing, or there is no internal capacity for alignment. In that case, standard software or no-code is the better choice. We go deeper into the fundamental decision in the article custom software vs. standard solutions.
Technology that fits your process
Frontend
React, Next.js or Angular; TypeScript; Progressive Web App (PWA) when offline or installation matters.
Backend & data
Node.js, Java or Kotlin; PostgreSQL, Redis or Elasticsearch; REST or GraphQL.
Identity & integration
OIDC (OpenID Connect) on an OAuth 2.0 basis for login. RBAC (role-based access control) for permissions, ERP/CRM integration via APIs.
Operations
AWS, GCP, Azure or Hetzner; CI/CD, monitoring and infrastructure as code.
These companies rely on northcommit
northcommit GmbH has proven to be a valuable partner in the design and development of our cloud-based software platform, in particular the Product Data Hub. By implementing modern microservice and cloud architectures as well as DevOps practices, northcommit creates solutions that meet even the highest load requirements.
We particularly appreciate the proactive approach to product development and the early recognition of optimization potential. The solutions developed meet consistently high quality standards and thus form an important basis for the further development of our online marketplace.
northcommit supported our identity and API teams as an external partner - from strategic cloud and architecture consulting to active implementation. Their conceptual input and expertise in cloud, DevOps, and software quality were particularly valuable.
northcommit combines strategic expertise with hands-on competence and impresses with its transparent, collaborative approach.
Our aixtream software enables the design and individualization of audio logistics for all of our customers' professional live audio applications.
We look back on a successful and cooperative partnership for the implementation of our web-based control software, which has created real added value for our customers.
FAQ: Building a web app
A web app is an application with roles, data and processes; a website mainly provides information. A web app runs in the browser, needs no installation and can connect to ERP, CRM and other systems. That makes it suitable for workflows that used to live in spreadsheets, emails or isolated tools.
A web app costs differently depending on scope, integrations, UX and operations. In the first call, we outline a range and the assumptions behind it – no flat fee. That way you can see which decision drives the price.
A web app is often usable as an MVP within a few weeks; a platform with multiple roles and integrations takes several months. We derive the timeline from the MVP scope and the integrations. After each iteration, you decide what comes next.
We connect ERP, CRM and third-party systems via APIs and synchronize the data the process needs. Login runs via OIDC (OpenID Connect), which is based on OAuth 2.0. We manage permissions with RBAC (role-based access control). We plan the integration as part of the MVP scope so there are no surprises later.
A web app is suitable for customer portals, dashboards, SaaS platforms and internal tools. In the first call, we check which type fits your process and whether a web app or a native app is the better choice. Customer portals and SaaS platforms have their own requirements for roles, billing and operations.
northcommit is not a classic web app agency, but an in-house software team from Itzehoe. We take on analysis, architecture, development and operations end to end – from the first sketch to live operation. That keeps responsibility for architecture, integration and quality with one team.
Arrange a free call
In the first call, we'll clarify whether a web app fits your process.