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MSP Signal ranks C1 #1,867 of 39,816 IT service providers nationally. C1 is a Managed security provider in MN, founded 1993, with 250+ staff. It offers Compliance, Cybersecurity, Voip Ucaas.
Source: MSP Signal, C1 company profile, Sep 21, 2026, https://mspsignal.com/msp/c1-onec1
Score and rank
- National
- #1,867 of 39,816
- State
- #38 of 496
- City
- #1 of 0
| Reputation | 67 | 0.30 | |
|---|---|---|---|
| Presence | 79 | 0.25 | |
| Credibility | 48 | 0.20 | |
| Scale | 100 | 0.15 | |
| Momentum | 25 | 0.10 |
1 of 4 change types in 180 days
Confidence 0.83 What this means · How the score works
Local rivals
Local rival data is not yet available for this company.
Services and offer
- Industries served
- Education, Finance, Government, Healthcare, Manufacturing
- Works with
- Arctic WolfCiscoDellHpPalo Alto
- Certifications
- HipaaNist
- Pricing
- No pricing published on their site, checked 2026-08-14 source
Reputation
No Google listing matched to this company yet.
Recent changes
Change detection: same-source field changes since Sept 17, 2026; site re-crawl every 7 days since Sept 16, monthly before that.
- Jul 5, 2026▪▪▪detected
Domain changed
C1 moved from annese.com to onec1.com, July 2026.
annese.com to onec1.com
Location
10900 Nesbitt Avenue South, MN
Firmographics
- Staff
- 250+ source
- Founded
- 1993
- Revenue range
- Above $50M
- Domain
- Online since 2023
- NAICS codes
- 541512, 541513
About
C1, formerly known as ConvergeOne, is a global technology solutions provider based in Bloomington, Minnesota. The company specializes in advanced IT services, cloud solutions, and enhancing customer experiences. C1 serves over 6,000 customers, including many Fortune 1000 companies and public sector organizations, offering a comprehensive range of services from consultation and design to implementation and ongoing support. C1's core services include cloud solutions, enterprise networking, data center management, collaboration tools, cybersecurity, and modern workplace design. The company also provides proprietary products such as C1 Elly, an AI-powered platform for customer engagement, and various cloud-based services like Contact Center as a Service (CCaaS) and Unified Communications as a Service (UCaaS). With a strong engineering presence in North America and India, C1 is committed to delivering integrated technology solutions that create lasting value for its clients.
C1 operates among roughly nine Indiana MSPs that combine HIPAA and NIST compliance expertise across education, finance, government, and healthcare sectors. The firm's focus on regulated industries—where compliance infrastructure shapes every operational decision—distinguishes it within a state of approximately 350 managed service providers. Beyond compliance frameworks, C1 layers cybersecurity and VoIP/UCaaS services to address the interconnected demands these verticals face. With a team exceeding 250 people, the firm has built depth across multiple regulated environments where security and regulatory alignment demand sustained expertise.
Summary by MSP Signal, from public sources
Web presence
Open technical record
- Web maturity
- 70
- Page quality
- Performance 33, Seo 85, Accessibility 86
- Email security
- DKIM not checked
- CDN
- Cloudflare
- Hosting
- Hubspot Cms
- Blog
- Active
- Subdomains
- 60
Search presence
- Organic visits
- ~4200/mo est.
- Organic keywords
- 1,006
- Domain authority
- 37
- Backlinks
- 78,327
- Referring domains
- 2,349
People
People data not yet observed for this company.
People data from public professional profiles. We show leadership by name and everyone else as counts. Request removal.
Hiring
No open roles observed.
Recognition
No directory listings or awards observed.
Frequently asked questions
- Where is C1 located?
- C1 is located in 10900 Nesbitt Avenue South, MN.
- How many people work at C1?
- C1 has an observed staff range of 250+.
- What services does C1 offer?
- C1 offers Compliance, Cybersecurity, Voip Ucaas.
- How does C1 rank among IT service providers?
- C1 ranks #1,867 of 39,816 IT service providers nationally.
- Is C1 claimed?
- C1 is not claimed on MSP Signal.
Sources and corrections
Observed Sep 21, 2026.
Source: MSP Signal, C1 company profile, Sep 21, 2026, https://mspsignal.com/msp/c1-onec1
MSP Signal never publishes email addresses.