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Custom business software

When off-the-shelf tools miss what actually matters for your operations, we build what is missing — cleanly, with architecture that holds.

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Context

Standard tools stop where your business starts.

  • Market products cover generic cases. Your business rules, specific flows, and exceptions are not their model.
  • So teams work around the tool: exports, re-entry, and side spreadsheets to cover the gaps.
  • Those workarounds become invisible, then critical. When someone leaves, the process leaves with them.
  • Data lives in ten places. No one knows which version is right.

What we build

The parts of well-made business software.

Every project is different. Here is what we assemble to match real needs.

Users, roles & permissions

Fine-grained roles, scopes, and visibility rules that mirror your organization.

  • Accounts, profiles, access hierarchies
  • Granular visibility on sensitive data
  • Logging of critical actions

Workflows & business rules

Internal process orchestration: steps, validations, conditions, delegations. Your logic encoded — not approximated.

  • Sequential or parallel approval circuits
  • State and transition management
  • Automatic notifications and reminders

Dashboards & reporting

Views built for how you work — not generic dashboards full of metrics no one reads.

  • Indicators filtered by domain, period, and scope
  • Configurable exports (CSV, Excel, PDF)
  • A structured base for deeper analytics later

Document management

Generation, storage, and traceability for documents tied to business records.

  • Automated generation (forms, contracts, reports)
  • Structured archiving with fast search
  • Versioning and change history

Integrations & connectors

Your software does not live in isolation. We connect it cleanly to what you already run.

  • APIs to third-party systems (ERP, CRM, finance)
  • Real-time or batch sync depending on constraints
  • Documented, versioned interface contracts

Authentication & security

Foundations that protect data and access without weighing down the UX.

  • SSO, OAuth2, session management
  • Encryption for sensitive data at rest and in transit
  • Audit logs and anomaly detection

Methodology

Plan / Build / Run

Discovery is especially critical for line-of-business software — we don't write a line of code until your real-world flows are mapped.

Design, implementation, and operations then follow the Plan / Build / Run framework — detailed on our Methods page.

Explore our methodology

Technology

Explicit technical choices.

Front-end
  • React
  • Next.js
  • TypeScript
  • Shadcn UI
Back-end
  • NestJS
  • Node.js
  • TypeScript
Database
  • PostgreSQL
Infrastructure
  • Docker
  • CI/CD

Your application can run on Rehzzo Cloud — our own infrastructure, without dependency on hyperscalers.

Use cases

What we build in practice.

Internal operations tools — Workflows, portals, and apps for day-to-day work.

Custom CRM — Pipeline and customer follow-up aligned with your real sales cycle.

Business platforms — Application cores built around a domain or specific process.

Process automation — Digitized approval paths, processing, and reminders.

Analytical dashboards — Data consolidation and visualization for operational steering.

Legacy replacement — Replacing a brittle tool or a spreadsheet that became critical infrastructure.

A project in mind?

Describe your context and constraints. We respond with a straight answer on what we can build together.

Start the conversation

We co-build ambitious digital platforms — from MVP to industrial scale.

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