One Horizon partner profile
Plassido
End-to-end product engineering partner building and scaling digital products for startups, scale-ups, and mid-sized companies.
Plassido is a software and product engineering company that partners with startups, scale-ups, and mid-sized companies to design, build, and scale digital products. Its teams cover the full product lifecycle—from architecture and development to QA, DevOps, data engineering, and AI-driven automation—helping companies accelerate delivery and build scalable, high-quality technology systems.
Partner fit
Where this agency is strongest
- 1
Covers the complete product lifecycle, from architecture and development through QA, DevOps, data, and AI.
- 2
Runs a Serbia-based hybrid delivery model with more than 80 engineers, scientists, and designers and international client collaboration.
- 3
Fits startups, scale-ups, and mid-sized companies that need one engineering partner to build and scale a digital product.
Capabilities
What they can take on
Primary work
Product engineering, AI engineering and automation, Data engineering and analytics, QA and test automation
Industry fit
Fintech, Insurtech, Enterprise SaaS and B2B platforms, AI and data platforms
- .NET and cloud engineering
- AI tooling and automation
- Data engineering and analytics
- QA engineering and test automation
Evidence
Proof and operating signal
“A world-class engineering partner. They didn't just modernize our cloud infrastructure; they integrated with our teams to deliver a sophisticated digital product for a global temporary jobs industry leader. Their ability to execute on high-stakes projects while elevating our internal standards is unmatched.”
“They delivered a massive 40% reduction in infrastructure costs while modernizing our cloud environment, platform, and Flutter mobile app. Their team integrated powerful AI capabilities—including lead activity summarization and CRM automation—enabling our real estate agents to use natural language interaction to drive productivity and close deals faster.”