📊 Custom Business Software Development — Osijek, Croatia

One studio. Everything the law requires. 7-day prototype of your application — no charge if you don't like it

We build custom business software to your exact requirements — prototype in 7 days, no charge if you don't like it. Every EU regulation (GDPR, NIS2, AI Act, B2B e-Invoice) built in from day one. No coordinating 15 vendors. No €80,000/year for compliance.

20–80k EUR Cost of alternatives (year 1)
10–15 Vendors we replace
7 days Prototype — zero risk
0 EUR If you don't like the prototype

What We Build

These are modules we built for clients — each one custom, yours could be next

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Task Management

Assign a task, track status on mobile, see everything on the dashboard. In production: 1,500+ tasks processed for 15 users.

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Sales & Payroll

Sales, per-agent and team bonuses, scoring, financial dashboards — all automated. In production: 6,500+ tasks per year for 25 users.

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Invoice Fiscalization

Create an invoice, we send it to the Tax Authority. CIS, e-Invoice B2B, recurring billing, dunning. In production since Jan 1, 2026 — ready from day one of the law.

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Multi-Company Infrastructure

Manage multiple companies from one system. Partners, products, payment slips — all shared. CSV/XLSX import for quick onboarding.

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Project Management

Create a project, assign tasks, AI agents execute them autonomously. Cost tracking, automatic reports, Telegram notifications.

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AI Integration

11 AI agents working for you — from creating invoices to security analysis. Use your own API key, no hidden fees.

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→ Your Module

Everything above? Built to measure for our clients. You have a process that doesn't work — we turn it into software. Describe your problem, in 7 days you have a working prototype. Free.

Request a free prototype

What our clients say

Real production results, not promises

We ran everything through Excel, WhatsApp groups, and emails — lost tasks, duplicate info, chaos. Now from task assignment to financial reports — everything flows through one system. Travel orders, mileage calculations, finances. We saved an entire headcount — that person now does productive work instead of admin.

Network Infrastructure Company
15 users • Fiber optic and copper network deployment & maintenance
1.500+ Tasks processed
100+ Monthly tasks

Calculate bonuses for 25 sales agents in Excel? Impossible — it took weeks and always had errors. Now sales, bonuses, scoring, and financial KPIs per agent and company are on a real-time dashboard. What used to take weeks is now literally one click.

Telemarketing Company
25 users • Sales, bonuses and financial dashboards
6.500+ Tasks per year
~540 Monthly tasks

How much does it cost?

Transparent pricing. No hidden costs. Prototype is free.

€0

Prototype

Working application in 7 days. Don't like it? You pay nothing.

€5.000–12.000

Simple module

One module with dashboard, user system and EU compliance. Delivery 2–3 weeks.

€12.000–30.000

Complex application

Multiple modules, integrations, AI agents, multi-tenant. Delivery 1–3 months.

€80–150/h

Hourly rate

For ongoing development, maintenance and new modules. Excluding VAT — price is final.

What they must have — and what it costs

Most of these are already in force — others arrive by end of 2026. Fines up to €10 million or 2% of global revenue.

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e-Invoice B2B (Fiscalization 2.0)

🇭🇷 Croatian law, in force since Jan 1, 2026 for all VAT-registered businesses. Vendor + integrator. €2,000–8,000 one-time + €1,000/year. Are you already compliant?

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GDPR + Audit Log

In force since 2018. Consultant + SaaS tool. €3,000–8,000/year. Without it: fine up to €20M or 4% of global revenue.

NIS2 Cybersecurity

Croatian transposition in force since Feb 8, 2024. Security audit + monitoring tools. €5,000–20,000/year. Without it: up to €10M or 2% of revenue.

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AI Act Compliance

High-risk AI (Annex III) from Aug 2, 2026. Legal consultant + documentation system. €2,000–6,000. Fine up to €35M or 7% of revenue — highest fines in EU.

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Accessibility (EAA/WCAG 2.1 AA)

In force since June 28, 2025. Audit firm + developer fixes. €3,000–15,000 one-time. Fine up to €100,000 or 4% of revenue.

Performance Monitoring (DORA)

Mandatory for fintech and NIS2 entities. New Relic, Datadog, or similar. €2,000–8,000/year. DORA in force for the financial sector.

With us: everything built in from day one

One contract. One developer. Everything the law requires — no coordinating 15 vendors.

Fiscalization 2.0 + B2B ✅

Complete CIS integration for B2C — ZKI/JIR, FINA certificates, PDF invoices, test+mock mode. e-Invoice B2B (Fiscalization 2.0) fully implemented — EN 16931 UBL 2.1, FINA REST API + OAuth2, mock mode, XML download.

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GDPR + Audit log ✅

Every data mutation logged with user, action, and timestamp. DSAR export, processing registry (ROPA), cookie consent — all built into the framework.

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NIS2 Security ✅

BORNAsecurity: DDoS protection, bot detection, honeypots, coordinated attack detection, GeoIP. Real-time alerting on Telegram/Slack/Teams. NIS2 Incident Response: 24h/72h/1-month reporting pipeline with CERT.hr JSON export. 0 Composer/npm dependencies = minimal supply chain risk.

AI Act Compliance ✅

AIactRegistry: CRUD registry of AI systems, risk classification (Annex III), JSON transparency report (Art. 11/13). Every AI agent requires human approval before action. Every run logged with input/output/iterations/tokens.

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Accessibility WCAG 2.1 AA ✅

Skip link, ARIA labels, focus-visible styles, keyboard navigation. CSP-safe CSS. Landing page fully accessible, app in continuous audit.

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Performance Monitoring ✅

LUKAmonitoring: N+1 detection, slow query tracking, memory profiling, anomaly detection, uptime alerting. Built-in dashboard — replaces Datadog, New Relic, and similar SaaS tools.

Book your free prototype

Tell us what you need — in 7 days you have a working prototype. No charge until you see the result.

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Live Demo

See Shinobi in action with a pre-configured demo environment — fiscalization, task management, AI agents.

View Live Demo Contact us for login credentials