C1 helps organizations make modernization real by delivering secure, practical solutions across AI-powered communications, infrastructure, and security. Focusing on measurable outcomes from day one, C1 combines industry-leading partner technologies with deep expertise across advisory, professional, and managed services to help clients solve complex business challenges and move forward with confidence. From healthcare and education to government and financial services, C1 designs and delivers solutions that make technology faster, simpler, and more resilient. With more than 3,000 projects delivered annually, C1 collaborates with nearly half of the Fortune 100, along with other global industry partners to deliver solutions with a total lifecycle approach. C1 brings the scale, expertise, and partner ecosystem needed to turn transformation into tangible value.
| Website | http://www.onec1.com |
| Revenue | $243.7 million |
| Employees | 2,132 (1,343 on RocketReach) |
| Founded | 1993 |
| Address | 10900 Nesbitt Ave S, Bloomington, Minnesota 55437, US |
| Industry | IT Services and IT Consulting |
| Keywords | Connected Experiences, Technology Solutions, Customer Experience, Human Experience, Digital Transformation, Customer Engagement, Impactful Technology, Global Technology, Connected Devices, Innovation Technology, Software Solutions, Data Analytics, Network Solutions, It Solutions, Cloud Computing, Enterprise Software, Mobile Technology, Technology Consulting, Saas Solutions |
| Competitors | C21 Century Real Estate, Three Value Logic, Cloud23, C37, C42, c5.com, C8, C7 Data Centers, C9 Innovations LLC, C22 Digital Agency +2 more (view full list) |
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C1 Questions
The C1 annual revenue was $243.7 million in 2026.
Jeffrey Russell is the CEO of C1.
1,343 people are employed at C1.
C1 is based in Bloomington, Minnesota.
Top C1 Employees
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Jeffrey Russell
Chief Executive Officer at C1
Miami, FL, US55+ -
Cem Tanyel
Chief Operating Officer at C1
Chicago, IL, US55+ -
John Lyons
President + Chief Executive Officer, Enterprise at C1
Fairfield, CT, US35+ -
D. Martin
President, Sales and Marketing at C1
Atlanta, GA, US52 -
Leigh Juul
Chief Revenue Officer (CRO) at C1
Sterling, VA, US25+ -
Stephanie Bouras
Managing Director at C1
Boca Raton, FL, US24 -
Rui Goncalves
Chief Legal Officer at C1
New York, NY, US45 -
Elliot Olschwang
Chief Services Officer at C1
Dallas, TX, US44 -
Pete McGuinness
Vice President Commercial Markets US East at C1
New York, NY, US5+5+ -
Shane Harper
Region Vice President of Sales West at C1
Roseville, CA, US45+
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