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White Circle

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Real-time control layer to test, protect and improve production AI

Paris, FranceFounded 2025Cybersecurity

Valuation $50–100M Last recorded · 2026

Headcount <100 Current team size

Total funding $10–50M Disclosed equity funding

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About White Circle

White Circle (Pumpkin Intelligence Inc.) is a Paris-rooted enterprise AI governance company founded by Denis Shilov that provides a single-API control layer to test, protect, observe and improve production AI systems in real time. Proprietary models monitor inputs and outputs against custom policies to catch harmful content, hallucinations, prompt injection, jailbreaks, model drift and malicious users, with analytics to improve reliability; the company reports SOC 2 Type I/II and HIPAA compliance and a global customer base including large digital banks, with over one billion API requests processed. Shilov’s 2024 universal jailbreak research that bypassed major model safety filters helped crystallise demand for production AI oversight. In May 2026 White Circle raised $11 million in seed funding from AI and tech leaders including Romain Huet (OpenAI), Durk Kingma (Anthropic), Guillaume Lample (Mistral), Thomas Wolf (Hugging Face), Olivier Pomel (Datadog), François Chollet, Mehdi Ghissassi, Paige Bailey and David Cramer, to accelerate product development and expand teams across the US, UK and Europe. Sources: Tech.eu 12 May 2026; whitecircle.ai.

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At a glance

Status: Operational
Founded: 2025
Headquarters: Paris, France
Employees: 25
Open positions: 21
Dealroom signal: 53.9/100
Industry: Security, Enterprise Software
Sub-industry: Data protection
Sector: Cybersecurity, Core AI, AI Security, MLops, AI Safety, AI Model Maker, AI Model Deployment and Monitoring, AI Agents
Technology: Artificial Intelligence
Business model: SaaS
Client focus: b2b
Links: Website LinkedIn

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Funding history

1 recorded event

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
SEEDOther financing	May 2026	$11M	$44M	BoxGroup · David Cramer · Tiny Supercomputer Investment Company · Guillaume Lample	↗

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Growth signals

White Circle website traffic

Latest recorded traffic for White Circle is 14K monthly website visits.

Latest monthly visits14K

Monthly website visitsMay 2026–Jul 2026

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Open positions

Openings linked to this company in Dealroom

Recruiter (Research)Paris, Ile-de-France, Metropolitan France, France · Human Resources · Aug 15, 2026 Partnerships ManagerLondon, United Kingdom, Northern Europe, Europe · Marketing & Communication · Aug 1, 2026 Founding Events LeadNew York, New York, United States, Northern America, Americas · Marketing & Communication · Aug 1, 2026 Research Scientist/Engineer (Agentic Systems)Paris, France, Western Europe, Europe · Data Science & Engineering · Jul 10, 2026 Research Engineer (Evals)Paris, France, Western Europe, Europe · Data Science & Engineering · Jul 10, 2026 Head of Data LabelingParis, France, Western Europe, Europe · Data Science & Engineering · Jul 10, 2026 ML Infrastructure EngineerParis, France, Western Europe, Europe · Backend Development · Jul 10, 2026 ML Research EngineerParis, France, Western Europe, Europe · Data Science & Engineering · Jul 10, 2026

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