Web application development

Web applications for data, roles and workflows that need to work every day.

We build browser-based applications for teams, clients and partners, from compact operational tools to authenticated products with integrations and reporting.

Use cases

A web application is appropriate when users need to work, not only read.

We clearly separate public website content from authenticated operations, application data and business rules.

Operations

Files and messages no longer support the process

We centralize states, tasks, approvals and history in a controlled workflow.

Collaboration

Several roles work with the same data

We define permissions, validation and ownership without uncontrolled copies.

Integration

Data must move between systems

We build APIs and synchronization with explicit error handling and traceability.

Product

A service needs to be delivered online

We turn the workflow into a measurable web product with onboarding and administration.

What we build

Frontend, backend and operations combined into one coherent product.

Technologies are selected for requirements, integration and maintenance rather than fashion.

  • discovery, workflow modelling and functional specifications;
  • responsive UX/UI for frequent operations;
  • authentication, roles and access control;
  • backend, databases, APIs and integrations;
  • notifications, search, reporting and document generation;
  • data migration and interoperability with existing systems;
  • automated testing, security and observability;
  • deployment, documentation, support and incremental evolution.

Delivery process

A clear technical process with reviewable decisions and deliverables.

Stages are adapted to product maturity, risk and objectives without adding unnecessary complexity.

01

Discovery

We observe the current workflow, roles, data, volumes and exceptions that create cost or risk.

02

Definition

We define experience, data domain, architecture and an MVP with measurable outcomes.

03

Implementation

We build usable increments and demonstrate frequently with representative data and scenarios.

04

Validation and support

We test security, performance and real operations, then monitor production behavior.

Public product

PV Digital: a web application for field-service operations

A concrete workflow with users, locations, photographs, signatures, generated PDF documents and operational history.

PV Digital public interface for field-service reports
PV Digital is one of the platforms developed and operated by ATG Services.

FAQ

Frequently asked questions

What is the difference between a website and a web application?

A website primarily presents public information. A web application manages accounts, data, states, rules and actions, so discovery and testing are more extensive.

Can you develop an MVP?

Yes. We define the smallest version that validates the workflow and major risks without treating an unmaintainable prototype as an MVP.

Which technologies do you use?

We choose the stack according to product, integration, maintenance skills and deployment requirements. The technical proposal is explained before implementation.

How do you handle security?

We apply access control, validation, secret management, logging, updates and testing proportional to the application's data and risk.

Can you take over and modernize an existing application?

Yes. We begin with a code, infrastructure, data and dependency audit, then choose between remediation, refactoring and gradual rebuilding.

Continue your evaluation

Related services and resources

Do you have a workflow that needs to become a secure and operable web application?

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