Bespoke softwarebuilt for your business.
From custom ERP systems to high-performance websites and seamless API integrations — SEDNA.software builds digital solutions that fit exactly how you work.
Custom software & ERP
Software shaped around your process, not the other way around.
Most companies outgrow spreadsheets, plugins and generic ERP modules long before they replace them. We build custom software and ERP systems around the way your organisation actually works: planning, CRM, finance, work orders, mobile apps, stock, reporting and the integrations between them. Where it adds value, we build AI and agents directly into the system: for document processing, smart search, automated checks, operational suggestions and workflows that prepare work autonomously.
Explore custom ERPAI inside real workflows
Agents that use your tools, not just chat windows.
We add AI where it can take action: document intake, planning support, field service knowledge, natural-language ERP queries and controlled automation with audit trails.
Explore AI solutions// business process, not a demo
const agent = openclaw.agent({
model: "claude-opus-4.7",
tools: [erp, crm, email],
guardrails: ["audit", "approval"]
})
await agent.run("Plan the next action")Integrations & APIs
Make your existing systems behave like one system.
ERP, CRM, accounting, webshops and legacy software often hold the same truth in different places. We build the API layer that keeps data flowing safely.
Explore integrationsWhat we build
Software for the parts of your business that can't be generic.
We specialise in three core areas of custom software development, each delivered with close collaboration and technical precision.
Custom ERP Software
Purpose-built enterprise systems that automate your operations, integrate your data, and scale with your business.
Websites & Webshops
Modern, performance-first websites and e-commerce platforms built to convert visitors and rank in search.
System Integrations & APIs
Connect your existing tools and platforms so your data flows freely and your team works more efficiently.
Built in the Netherlands
A local software partner for long-term systems.
SEDNA.software is based in Roosendaal and works with businesses across Europe. We stay close to the process, the people using the software and the systems that must keep running.
What clients say
Long-term software partners, not one-off code vendors.
Real systems, real operational pressure, and clients who stay with us because the software keeps working.
“Thanks to SEDNA.software, all possible processes are automated, which lets us focus fully on our customers.”
Jeffrey Tepe
Vesta Vuurwerk
“As a globally operating organisation, our IT department regularly makes use of their flexible services.”
Marco Adan
AVISTA-OIL GMBH
“For several years now, we have been using the developers full-time. Our needs fluctuate between 1 and 4 FTE, and SEDNA.software scales perfectly alongside us.”
André Broeke
Team Industrial Services
Have a project in mind?
Tell us what you're building and let's figure out the best approach together.