Harmonic Security
San Francisco, US · Founded 2023 · Delaware corporation · 79 employees on LinkedIn · 3 known investors
Find your way into Harmonic Security
159 people in our graph share verified history with the Harmonic Security team — schools, employers, funds. One of them is your warm intro.
Mark Hatfieldunlockedknows Bryan Woolgar-O'Neil · together at Digital Shadows (overlapped)
×8knows the team · via University of Strathclyde
knows the team · via Digital Shadows
knows the team · via Aimia Inc
knows the team · via ReliaQuest
Harmonic provides a control layer and security platform for AI adoption in enterprises, helping organizations manage AI tool usage while maintaining data protection and compliance. The company serves businesses seeking to enable AI innovation without compromising on security or privacy.
Founders & leadership
Harmonic Security was founded in 2023 by Bryan Woolgar-O'Neil and Alastair Ewan Paterson.
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Bryan Woolgar-O'NeilinCo-founder · Chief Technology OfficerBryan Woolgar-O'Neil is Co-Founder and Chief Technology Officer of Harmonic Security, which provides a security platform for AI adoption in enterprises. Previously, he served as CTO at Digital Shadows, which was acquired by ReliaQuest in 2022, and worked as a Technical Architect at BAE Systems Applied Intelligence designing cybersecurity programs for government and enterprise clients.
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Alastair Ewan PatersonCo-founder
Board
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AD
Investors · 3
Reported raises · per SEC filings
Form D private placements$25.7M disclosed across 2 rounds · 2023–2024
▶$17.2MraisedOct 2024 · 8 investors · OtherRule 506(b)
▶$17.2MraisedOct 2024 · 8 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Bryan Woolgar-O'NeilExecutive Officer, Director
- T.J. RylanderDirector
- Alastair Ewan PatersonExecutive Officer, Director
- Alexander DollDirector
- Offering amount
- $17.2M
- Amount sold
- $17.2M
- First sale
- Sep 2024
- Incorporated
- Corporation, Delaware, 2023
- Federal exemptions
- 06b
▶$8.5MraisedJan 2024 · 20 investors · OtherRule 506(b)
▶$8.5MraisedJan 2024 · 20 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Alexander DollDirector
- Bryan Woolgar-O'NeilExecutive Officer, Director
- Alastair Ewan PatersonExecutive Officer, Director
- Offering amount
- $8.5M
- Amount sold
- $8.5M
- First sale
- Sep 2023
- Incorporated
- Corporation, Delaware, 2023
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 5
by search overlap
Concentric AI Data risk monitoring20 shared keywordsConcentric AI provides AI-powered data security and governance solutions that help organizations discover, classify, and protect sensitive information across cloud and on-premises environments. The platform serves enterprises across financial services, healthcare, technology, insurance, energy, education, and government sectors globally.
OpenAI19 shared keywordsOpenAI is an AI research and deployment company focused on developing artificial general intelligence (AGI) with emphasis on safety and beneficial outcomes for humanity.
Harmonic16 shared keywordsHarmonic operates a database and software platform for venture capital firms to source early-stage startups in real-time, offering company data, team information, and investor network integration tools. The platform serves venture teams seeking to discover and fund startups more efficiently.
Anthropic15 shared keywordsAnthropic is an AI safety research company that builds reliable, interpretable, and steerable AI systems. The company conducts frontier AI research, applies safety techniques, and deploys systems through products and partnerships.
Harmonic14 shared keywordsHarmonic builds an advanced reasoning engine, a mathematical and computational tool for solving complex problems across scientific and technical domains.
Companies competing with Harmonic Security for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Harmonic Security do?
- Harmonic provides a control layer and security platform for AI adoption in enterprises, helping organizations manage AI tool usage while maintaining data protection and compliance. The company serves businesses seeking to enable AI innovation without compromising on security or privacy.
- Who founded Harmonic Security?
- Harmonic Security was founded by Bryan Woolgar-O'Neil, Alastair Ewan Paterson in 2023.
- Who are Harmonic Security's investors?
- Harmonic Security's investors include Next47, Storm Ventures, Ten Eleven.
- How much funding has Harmonic Security raised?
- Harmonic Security has disclosed $25.7M raised across 2 rounds.
- Where is Harmonic Security headquartered?
- Harmonic Security is headquartered in San Francisco, US.