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Preamble logo — AI Agent Action Assurance, AI Red Teaming, AI Security Consu...

Preamble

AI Agent Action Assurance, AI Red Teaming, AI Security Consulting, & Patented Prompt Injection Defenses.

Founded 2020 United States Pittsburgh, United States 5 employees Seed AI, Cyber Security +2

General Information

Company Name Preamble
Founded Year 2020
Location United States Pittsburgh, United States
Employees 5
Industries AI, Cyber Security, Media +1
Funding Stage Seed
Business Model B2B, SaaS, Platform
Revenue Model Subscription, Consulting Fee, Service Fee
Social

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About Preamble

Preamble, a veteran-led company founded in 2020, is headquartered in Pittsburgh, PA. The startup operates at the intersection of AI, Cyber Security, and Machine Learning, aiming to deliver Secure Enterprise AI by Design.

The company has positioned itself as a frontrunner in trustworthy AI, emerging from key insights gained at the Joint Artificial Intelligence Center (JAIC) AI Symposium. Preamble notably identified a significant vulnerability in OpenAI GPT-3 known as 'prompt injection' and took proactive steps to address similar AI risks.

Their main offering, the AI Security Operations platform, integrates privacy, security, and compliance to ensure safe AI deployments. This positions Preamble as a critical partner for organizations looking to leverage AI while mitigating associated risks effectively.

Backed by a $4.00M Seed Round investment on June 10, 2021, with participation from Metaplanet Holdings and Trousdale Ventures, Preamble is strategically poised for growth within the security-focused AI industry sector.

Business keywords: Natural Language Processing, AI Ethics, AI Safety, LLM Security, AI Security, AI Guardrails, LLM Guardrails, AI Risk Mitigation, AI Compliance, Trustworthy AI, Responsible AI, Red Teaming

Services & Products

Independent AI security assessments
Red teaming
Prompt injection defense
AI agent security evaluations
Industry-specific AI safeguarding solutions

Target Customers

Financial institutions Healthcare organizations Defense agencies Educational institutions Technology companies deploying AI systems

Funding Rounds & Investors (2)

View All
Funding Stage Amount Investors Lead Investors Date
Seed Undisclosed -
01 Aug 2022
Seed Undisclosed 1
Trousdale Ventures
01 Jun 2021

Preamble Alternatives & Competitors

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Preamble vs
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Protect AI
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Preamble vs
TrojAI
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FAQ About Preamble

AI Agent Action Assurance, AI Red Teaming, AI Security Consulting, & Patented Prompt Injection Defenses.
Preamble was founded in 2020.
Preamble is headquartered in Pittsburgh, United States.
Preamble operates in AI, Cyber Security, Media and Machine Learning. Its work centres on Natural Language Processing, AI Ethics, AI Safety and LLM Security. Its customers include Financial institutions, Healthcare organizations and Defense agencies.
Preamble has a B2B, SaaS and Platform business model. Its revenue comes from Subscription, Consulting Fee and Service Fee.
Preamble has approximately 5 employees.
Preamble has completed 2 funding rounds. The latest funding stage is Seed.
Preamble offers: Independent AI security assessments, Red teaming, Prompt injection defense, AI agent security evaluations, Industry-specific AI safeguarding solutions.
Top alternatives and competitors to Preamble include Giskard, Protect AI, TrojAI, Toloka, Saidot. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Preamble and Giskard are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Preamble, https://www.bouncewatch.com/company/preamble, updated 24 July 2026. When citing, please name BounceWatch and link this page.

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