Sii Sp. z o.o.

Sii Sp. z o.o. (Sii Poland) is a leading Polish technology consulting and engineering services provider, founded in 2006. With over 7,300 professionals and annual revenue reported at PLN 2.1 billion, Sii delivers end-to-end digital transformation, IT, engineering and BPO services to international clients. The company’s capabilities span cloud and infrastructure, data & analytics, cybersecurity, AI, testing & QA, embedded and industrial engineering, service desk and managed services. Sii operates a broad enterprise platforms practice and maintains partnerships with major technology vendors including Microsoft, Adobe, Salesforce, SAP, ServiceNow, Atlassian and Google Cloud. Their delivery models include nearshore/offshore teams, Build–Operate–Transfer, custom software development and long-term managed support. Sii works across multiple sectors — from manufacturing, automotive and high-tech to healthcare, financial services and retail — and showcases case studies in diagnostics, fintech and industrial solutions. The organization emphasizes people-first values, training and ESG initiatives, and maintains offices in Poland and several international locations to support global clients and large-scale engagements.