Definian helps organizations unleash the full potential of their data. Our expertise in data-led business transformation, data fundamentals and migration, risk management and data value realization helps companies maximize the value of their data, empowering them to achieve success across the entire data value chain. Having successfully completed thousands of projects since our founding in 1985, many of the world’s leading brands, technology companies, and system integrators rely on Definian to solve their most complex data challenges.
Definian has been named one of Built In's 2024 Best Places to Work across four categories: Chicago's Best Midsize Places to Work, Chicago's Best Places to Work, US Best Midsize Places to Work, and US Best Places to Work. Additionally, we have been recognized as one of the Best and Brightest Companies to Work For® in Chicago, as one of Crain’s Top 100 Best Places to Work in Chicago, and proudly made the 2021 Inc. 5000 list of America’s Fastest-Growing Private Companies. While we are relentlessly client-focused, we are proud to have our culture and company recognized by others.
Definian is an EEO Employer and provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.
What We Do
Definian helps organizations define what’s next by unlocking the full value of their data. With expertise spanning data strategy, modernization, advanced analytics, and AI, Definian equips leaders to harness data with clarity and precision throughout their digital evolution.
Founded in 1985 as Premier International and rebranded in 2025, Definian has guided thousands of successful initiatives for global enterprises, technology providers, and system integrators. Combining four decades of data expertise with an AI-enhanced approach, Definian ensures organizations achieve measurable outcomes and sustained advantage in a world defined by data.
Premier has the stability of a 40-year-old company with the heart of a start-up. Driven by The Premier Way and our core values, we are relentlessly focused on our clients and their success and we have a great time working together to deliver on our promises. We believe that recruiting and retaining top talent are key to serve our clients, and are proud to have our culture recognized by others as well. Premier has been named one of The Best and Brightest Companies to Work For® in Chicago (2019, 2020 & 2021), one of Crain’s top 100 Best Places to Work in Chicago (2020 & 2021), Inc. 5000 list of America’s Fastest-Growing Private Companies (2021) and recently named one of the Built In US Best Places to Work, Chicago Best Places to Work, US Best Midsize Places to Work and Chicago Best Midsize Places to Work.
