GED365 • Custom Development

Custom .NET development and business integrations

When standard tools are not enough, we build the components, APIs and services required to implement your business rules and connect existing systems.

.NETC#REST APISQL ServerAzureSharePointMicrosoft Graph

Maintainable code focused on integration

We favor simple architecture, clear responsibilities and developments that fit the operating environment.

What we can handle

From initial assessment through production and continuous improvement.

NET

.NET / C#

Backend services, business applications, libraries and reusable components.

API

APIs & services

REST, authentication, data exchange and orchestration.

SQL

SQL Server

Data models, queries, procedures and performance diagnostics.

SP

SharePoint

Custom components and services integrated with SharePoint platforms.

SEC

Security

Authentication, authorization, secrets, certificates and secure design.

OPS

Maintenance

Diagnostics, refactoring, correction and evolution of existing applications.

How we work

A clear, pragmatic approach adapted to your project and maturity level.

01

Audit

Understand the codebase, architecture and dependencies.

02

Design

Define a target solution that is simple and testable.

03

Development

Implement and integrate with appropriate tests.

04

Operations

Document, deploy and ensure maintainability.

Typical use cases

Concrete needs commonly encountered in Microsoft environments.

Business API

Expose or consume services to connect Microsoft 365 to an internal application.

Component modernization

Replace an aging component while preserving business behavior.

Workflow service

Centralize complex status and workflow rules in a dedicated backend.

Document integration

Synchronize documents, metadata and status between SharePoint and a business system.

.NETC#REST APISQL ServerAzureSharePointMicrosoft Graph

Frequently asked questions

Do you work on existing code?

Yes, including audits, stabilization, refactoring and modernization.

Do you only work with SharePoint?

No. SharePoint is a core expertise, but we also work on .NET, APIs, SQL and broader Microsoft integrations.

Planning a project?

A short first discussion is usually enough to clarify context, priorities and realistic options.

Discuss your project →