Polygraf
Austin, US · Founded 2021 · Delaware corporation · 30 employees on LinkedIn · 5 known investors
Polygraf AI provides an inline data-governance and security platform that enforces organizational AI policies in real time, removing PII, secrets, and regulated content from prompts before they reach external LLMs and restoring it afterward. It also detects AI-generated content, synthetic voices, and prompt-injection attacks, offering enterprises visibility and control over Shadow AI across tools like email, Slack, and cloud file services.
Also known as Polygraf AI
Founders & leadership
Polygraf was founded in 2021 by Yagub Rahimov.
YR
Yagub RahimovinFounder
VK
Vignesh KarumbayaNamed on SEC filing
Investors · 5
Reported raises · per SEC filings
Form D private placements$10.9M disclosed across 2 rounds · 2022–2025
▶$9MraisedOct 2025 · 28 investors · Other TechnologyRule 506(b)
▶$9MraisedOct 2025 · 28 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Vignesh KarumbayaExecutive Officer, Director
- Michael AielloDirector
- Spencer TallDirector
- Yagub RahimovExecutive Officer, Director
- Offering amount
- $9.5M
- Amount sold
- $9M
- First sale
- Sep 2025
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
▶$1.9MraisedDec 2024 · 25 investors · Other TechnologyRule 506(b)
▶$1.9MraisedDec 2024 · 25 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Yagub RahimovExecutive Officer, Director
- Vignesh KarumbayaExecutive Officer, Director
- Amount sold
- $1.9M
- Minimum investment
- $1
- First sale
- Apr 2022
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Key figures
latest reportedHeadcountAug 202630
Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Competitors · 6
by search overlap
Quillbot44 shared keywordsQuillBot provides an AI-powered workspace with tools for writing, paraphrasing, design, and visual generation, letting users brainstorm, research, and produce documents and presentations. It serves writers, students, educators, and professionals for tasks such as content creation, resumes, briefs, and reports.
Grammarly44 shared keywordsGrammarly is an AI-powered writing assistant that helps users write with clarity and confidence across over 1 million apps and websites. The platform serves professionals, students, and teams through free and premium versions, and uses natural language processing to refine tone, suggest rewrites, and improve communication effectiveness.
Hyperwriteai35 shared keywordsHyperWrite is an AI writing assistant delivered as a Chrome extension and web app, offering predictive autocomplete, web search, citations, and hundreds of tools to create, edit, and refine text. It targets writers, students, and professionals for tasks like academic research, document editing, and email drafting.
ElevenLabs26 shared keywordsElevenLabs is an AI research and product company that builds voice generation and audio processing platforms for creating human-like voice interactions with technology. The company serves individuals with accessibility needs, nonprofits, and general users across healthcare, education, and culture.
Let's Enhance26 shared keywordsLetsEnhance is an AI-powered image upscaler and enhancement tool that increases photo resolution up to 16x and corrects color, sharpness, and lighting without artificial-looking processing. The service targets photographers, e-commerce sellers, product photographers, and AI art creators who need high-resolution, print-ready images.
ClickUp26 shared keywordsClickUp provides a customizable work management platform that adapts to different company teams and projects across various functions including marketing, sales, and project management.
Companies competing with Polygraf for the same Google search keywords, organic and paid, via search-intersection analysis.
Legal entities · 1
corporate structurePolygrafDelaware
In the news
Frequently asked questions
- What does Polygraf do?
- Polygraf AI provides an inline data-governance and security platform that enforces organizational AI policies in real time, removing PII, secrets, and regulated content from prompts before they reach external LLMs and restoring it afterward. It also detects AI-generated content, synthetic voices, and prompt-injection attacks, offering enterprises visibility and control over Shadow AI across tools like email, Slack, and cloud file services.
- Who founded Polygraf?
- Polygraf was founded by Yagub Rahimov in 2021.
- Who are Polygraf's investors?
- Polygraf's investors include DOMiNO Ventures, Machina Ventures, ALLEGIS CAPITAL, AllegisCyber Capital, Alumni Ventures.
- How much funding has Polygraf raised?
- Polygraf has disclosed $10.9M raised across 2 rounds.
- Where is Polygraf headquartered?
- Polygraf is headquartered in Austin, US.