About onShore Security
onShore Security is a Technology company based in Chicago (United States) founded in 1991 by Stelios Valavanis. It delivers cyber security solutions for businesses. It operates on a B2B model. onShore Security has raised $43.5 million across 3 funding rounds from investors including FPV Ventures, ADP and Y Combinator. Its chief executive, as recorded, is Stelios Valavanis. Its focus areas include Security, Cyber Security and Solutions Provider. Its competitors include CertiK, Optiv Security and Convergint; 3 of its 3 listed competitors have raised funding.
Company details
onShore Security operates with a B2B model, focusing on leveraging cutting-edge technology, security, cyber security, and solutions provider. Delivers cyber security solutions for businesses. It emphasizes efficiency, client-focused solutions, and growth, fostering partnerships and innovation in its operations. It continues to evolve, meeting industry challenges with strategic approaches.
- Headquarters Chicago, United States
- Founders Stelios Valavanis
- SectorsTechnology
- Email••••••••
- Website onshore.com
- Social LinkedIn X Facebook YouTube
- Total Equity Funding$43.5M (USD)
in 3 rounds
- Latest Funding Round$31M (USD), Series B
Feb 2026
- InvestorsFPV Ventures
& 5 more
Apps and channels of onShore Security
its YouTube channel onShore Security has 57 subscribers and 30 videos.
Videos from onShore Security
The most watched videos on onShore Security's YouTube channel, onShore Security (57 subscribers). Click a video to play it here.
More on onShore Security.
Funding Insights of onShore Security
onShore Security has successfully raised a total of $43.5M across 3 strategic funding rounds. The most recent funding activity was a Series B round of $31 million completed in February 2026. 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 $43.5M
- Total Rounds 3
- Last Round Series B — $31M
- First Round $500,000
(Jan 2023)
- Investors Count 6
All 3 funding rounds of onShore Security 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 |
|---|---|---|---|---|---|
| Feb 2026 | $31M | Series B | – | FPV Ventures | |
| Oct 2024 | $12M | Series A | – | Vertex Ventures | |
| Jan 2023 | $500,000 | Seed | – | – |
6 investors in total: 6 institutional.
Investors in onShore Security
onShore Security has secured backing from 6 investors, including venture fund and institutional investors. Prominent investors backing the company include FPV Ventures, ADP and Y Combinator.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
| fpvventures.com | ||||
| ycombinator.com | ||||
| restive.com | ||||
| vvus.com | ||||
| rebelfund.vc | ||||
| adp.com |
Investor details for onShore Security
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
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People of onShore Security
3 people are tracked at onShore Security (1 in leadership, 2 in board & advisors).
| Name | Role | Group |
|---|---|---|
Stelios Valavanis | Founder, CEO | Leadership |
Andrew Maychruk | Advisor | Board & advisors |
Steven Lee | Advisor | Board & advisors |
Complete people profiles for onShore Security
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
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Timeline of onShore Security
3 dated milestones of onShore Security across 35 years, from founding to its latest funding, stage changes and deals.
- Founded onShore Security is founded.
- Funding First funding round of $500K.
- Funding Latest funding round, Series B, of $31.0M.
Competitors of onShore Security
onShore Security has 3 listed competitors in our database, 3 of them funded. They include CertiK, Optiv Security and Convergint.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| certik.com | 2017 | New York, United States | $296.15M | Online platform for blockchain and smart contract cybersecurity | ||
| optiv.com | 1999 | Denver, United States | $4.05M | 561 | IT risk management solutions are delivered via a specialized platform. | |
| convergint.com | 2001 | Schaumburg, United States | $100,000 | 4,327 | Electronic security and fire alarm systems are integrated and serviced. |
Detailed competitors of onShore Security
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
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Verified entity values are shown only after access is granted.
Web traffic of onShore Security
Websites that share an audience with onShore Security (onshore.com).
Websites whose visitors overlap most with onShore Security. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| cityonlines.com | 66% | 1.1K | #12,283,730 | View details | |
| i2cat.net | 53% | 7.4K | View details | ||
| projectleadership.net | 49% | View details |
Top companies in Cybersecurity & Data Protection
3 companies that operate in the same segment as onShore Security (Cybersecurity & Data Protection) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Cloud based website security solutions | 2009 | San Francisco, California, United States | USD 332.1 M | USD 1.67 B | 7,330 | |
Cybersecurity and zero trust solutions are delivered for secure networks. | 2007 | San Jose, California, United States | USD 148 M | USD 3.35 B | 9,616 | |
Cloud-based identity management solutions are provided for enterprises. | 2002 | Denver, Colorado, United States | USD 136.89 M | USD 36.94 M | 821 |
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Related news about Onshore Security
Complete news archive for onShore Security
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Frequently Asked Questions about onShore Security
onShore Security was founded in 1991 and raised its 1st funding round 32 years after it was founded.
onShore Security is headquartered in Chicago, United States. It is registered at Chicago, Illinois, United States.
Stelios Valavanis is the CEO of onShore Security, as recorded in our data. They have also founded this company.
onShore Security is a funded company, having raised a total of $43.5M across 3 funding rounds to date. The company's 1st funding round was a Seed of $500K, raised on Jan 2023.
onShore Security operates with a B2B model, focusing on leveraging cutting-edge technology, security, cyber security, and solutions provider. Delivers cyber security solutions for businesses. It emphasizes efficiency, client-focused solutions, and growth, fostering partnerships and innovation in its operations. It continues to evolve, meeting industry challenges with strategic approaches.
onShore Security's top competitors include CertiK, Optiv Security and Convergint.
onShore Security has 6 investors. Key investors include FPV Ventures, ADP, Y Combinator, Restive, and VVUS.