Definity First

Definity First (Sieena Inc. DBA Definity) is a North American IT consulting firm that builds engineering teams and delivers end-to-end technology solutions for mid-market and enterprise clients. With more than 19 years of industry experience, 200+ bilingual engineers, and 230+ projects completed, Definity First focuses on digital transformation services such as cloud-managed services, intranet and collaboration redesigns, Microsoft 365 training, custom application development, process automation, and IT infrastructure upgrades. The firm emphasizes AI-driven innovation and practical engineering delivery, combining staff augmentation and full project delivery to implement scalable cloud and Microsoft-centric solutions. Definity serves a range of sectors including warehousing & cold storage, utilities and energy, non-profits, hospitality and entertainment, insurance, and healthcare. The company highlights long client tenures, a certified workplace culture, and documented success stories—such as Microsoft 365 corporate training and cloud productivity improvements for industrial clients—positioning itself as a reliable partner for organizations seeking to modernize operations, improve productivity, and adopt cloud and Microsoft technologies.