About C1
C1 is a Technology company based in Minneapolis (United States) founded in 1988, and was acquired by Converge One in October 2014. Call center management and unified communications solutions are provided. It operates on a SaaS (Software-as-a-Service) and Managed Services model. C1 has raised $12 million across 1 funding round from investors including Converge One, Split Rock Partners and BlueStream Ventures. The company has 84 employees. C1 has completed 1 acquisition, including Calabrio. C1 offers products and services including C1 Elly, Contact Center as a Service (CCaaS), Unified Communications as a Service (UCaaS), and AI-Powered Security. Its focus areas include IT Services, Communication Solutions, Cybersecurity and Threat Detection. Its legal entity is Spanlink Communications, Inc. Its competitors include Dialpad, Genesys and Zendesk; 3 of its 3 listed competitors have raised funding.
Company details
C1 is engaged in providing advanced technology solutions across communications, infrastructure, and security sectors. Services are offered in areas such as Contact Center as a Service (CCaaS), Unified Communications as a Service (UCaaS), and AI-driven platforms like C1 Elly for enterprise automation and collaboration. Security solutions are enhanced with AI-powered threat detection, compliance, and risk management. Infrastructure services are designed to support scalable, high-performance enterprise networks. The company serves diverse industries including education, healthcare, financial services, and government with advisory, professional, and managed services to optimize customer experiences and operational continuity.
- Headquarters Minneapolis, United States
- Employees 84
- Stage Acquired
- SectorsTechnology
- Website spanlink.com
- Social LinkedIn X Facebook
- Acquired by Converge One (Oct 2014)
- Legal Name Spanlink Communications, Inc.
- Total Equity Funding$12M (USD)
in 1 rounds
- Latest Funding Round$12M (USD), Series A
Jul 2005
- InvestorsConverge One
& 2 more
- Employee Count84
- Investments & Acquisitions
- Acquired byConverge One
(Oct 2014)
Products & Services of C1
C1 offers a comprehensive portfolio of products and services, including C1 Elly, Contact Center as a Service (CCaaS), Unified Communications as a Service (UCaaS), and AI-Powered Security.
Generative AI platform is managed for enterprise solutions.
AI-powered contact center solution is fully managed by C1.
Unified communication service is provided for enterprise collaboration.
Security solutions are enhanced with AI-powered threat detection.
Funding Insights of C1
C1 has successfully raised a total of $12M through 1 strategic funding round. The most recent funding activity was a Series A round of $12 million completed in July 2005. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $12M
- Total Rounds 1
- Last Round Series A — $12M
- First Round $12M
(Jul 2005)
- Investors Count 2
All 1 funding rounds of C1 with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jul 2005 | $12M | Series A | – | Split Rock Partners, BlueStream Ventures | – |
3 investors in total: 3 institutional.
Investors in C1
C1 has secured backing from 3 investors, including venture fund investors. Prominent investors backing the company include Converge One, Split Rock Partners and BlueStream Ventures.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
US venture capital investments are made across all stages. | splitrock.com | Eden Prairie, United States | ||
| bluestreamventures.com | ||||
Cloud and networking services are delivered to enterprises. | 2005 | convergeone.com | Eagan, United States |
Investor details for C1
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Investments & Acquisitions by C1
C1 has strategically engaged in corporate development activities, having acquired 1 company. Notable acquisitions include Calabrio.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Workforce optimization software for contact centers is developed and provided. | calabrio.com | Minneapolis, United States | 2007 | Aug 2006 | •••• |
Complete acquisition details for C1
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Timeline of C1
4 dated milestones of C1 across 26 years, from founding to its latest funding, stage changes and deals.
- Founded C1 is founded.
- Funding First funding round of $12.0M.
- Acquisition Acquires Calabrio.
- Exit Acquired by Converge One.
Competitors of C1
C1 has 3 listed competitors in our database, 3 of them funded. They include Dialpad, Genesys and Zendesk.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| dialpad.com | 2011 | San Ramon, United States | $475.91M | 119 | Cloud-based unified communication solutions including voice and video are provided. | |
| genesys.com | 1990 | Daly, United States | $2.98B | 651 | Cloud-based omnichannel customer experience and contact center solutions are delivered. | |
| zendesk.com | 2007 | San Francisco, United States | $89.1M | 63 | Cloud-based customer service platform is offered for business engagement. |
Detailed competitors of C1
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Web traffic of C1
Websites that share an audience with C1 (spanlink.com).
Websites whose visitors overlap most with C1. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
abtelephone.com | abtelephone.com | 100% | #8,483,378 | – | |
| crosstelecom.com | 99% | View details | |||
| shoretel.com | 99% | 7.6K | #2,254,279 | View details | |
div-net.com | div-net.com | 97% | – | ||
| calabrio.com | 95% | 51.9K | #761,807 | View details | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 24 similar websites and full traffic analytics for C1
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- 24 similar websites
- Audience overlap
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- Traffic by brand
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Top companies in Customer Experience & Support Software
3 companies that operate in the same segment as C1 (Customer Experience & Support Software) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Cloud-based omnichannel communication and customer engagement platform is utilized. | 2008 | San Francisco, California, United States | USD 239.77 M | USD 5.07 B | 5,540 | |
AI powered customer experience management software | 2001 | Pleasanton, California, United States | USD 344.39 M | USD 477.22 M | 5,437 | |
Cloud-based omnichannel customer experience and contact center solutions are delivered. | 1990 | Daly City, California, United States | USD 3.01 B | 651 |
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Related news about C1
Complete news archive for C1
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Frequently Asked Questions about C1
C1 was founded in 1988 and raised its 1st funding round 17 years after it was founded.
C1 is headquartered in Minneapolis, United States. It is registered at Minneapolis, Minnesota, United States.
C1 is a funded company, having raised a total of $12M across 1 funding round to date. The company's 1st funding round was a Series A of $12M, raised on Jul 2005.
C1 is engaged in providing advanced technology solutions across communications, infrastructure, and security sectors. Services are offered in areas such as Contact Center as a Service (CCaaS), Unified Communications as a Service (UCaaS), and AI-driven platforms like C1 Elly for enterprise automation and collaboration. Security solutions are enhanced with AI-powered threat detection, compliance, and risk management. Infrastructure services are designed to support scalable, high-performance enterprise networks. The company serves diverse industries including education, healthcare, financial services, and government with advisory, professional, and managed services to optimize customer experiences and operational continuity.
C1 offers C1 Elly, Contact Center as a Service (CCaaS), Unified Communications as a Service (UCaaS), and AI-Powered Security.
C1 has made 1 acquisition, including Calabrio.
C1 has 3 investors. Key investors include Converge One, Split Rock Partners, and BlueStream Ventures.
C1 operates through Spanlink Communications, Inc..
Yes. C1 was acquired by Converge One in October 2014.