Toronto company, legally Private AI Inc. and rebranded to Limina in March 2026, selling container-deployed machine-learning software that detects, redacts, pseudonymises or replaces personal and health data in text, documents, images and audio across 52 languages.
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Toronto company, legally Private AI Inc. and rebranded to Limina in March 2026, selling container-deployed machine-learning software that detects, redacts, pseudonymises or replaces personal and health data in text, documents, images and audio across 52 languages.
Rebranded from Private AI to Limina in March 2026; the company states the rebrand does not affect its products, customers or operations. getlimina.ai
Federal corporation 1024635-2, legally PRIVATE AI INC., status Active, incorporated 2017-05-23, with annual returns recorded as filed for 2024, 2025 and 2026. ised-isde.canada.ca
Received a $2,000,000 contribution from FedDev Ontario announced May 2026 to scale its sensitive-data infrastructure platform, one of 13 recipients sharing a wider programme total. canada.ca
States its context-aware machine learning models identify personal, health and payment data across more than 50 entity types, using no rules or regular expressions. getlimina.ai
Shipped Contextual Replacement in release 4.5 (September 2026), a hybrid language-model and rules feature that swaps identifiers for context-fitting synthetic values. getlimina.ai
Products Limina publishes on its own site. Each card links to the page it was taken from.
Privacy-preserving data processing
Company describes it as removing personal data from text, images, audio and documents, letting customers redact, pseudonymize, tokenize reversibly or replace with synthetic data, with container-based deployment so processing stays in the customer's own environment.
Learn moreAnnounced rounds only, newest first. Undisclosed amounts are shown as undisclosed.
Nov 17, 2022
Investors: BDC Capital (lead), GIT1K, Panda Angel Partners, M12, Differential Ventures, Forum Ventures, Shasta Ventures, Parliament Angels
Sep 15, 2021
Investors: M12 (lead), Forum Ventures (lead), Differential Ventures, Shasta Ventures, Hyperplane Venture Capital, Parliament Angels
Publicly announced partnerships.
Strategic research partnership (February 2023) between Private AI's data-privacy researchers and the Mila community, sponsored by BDC.
Partnership (August 2023) integrating Private AI's PII redaction with Datastreamer's unstructured-data pipeline platform.
Integration (February 2025) making its PII detection and data sanitization available as an official plugin within NVIDIA NeMo Guardrails.
Partnership (May 2023) pairing Private AI's PII detection for unstructured data with Replica Analytics' synthetic structured-data generation, aimed at healthcare data.
Government support actually received. Unpublished amounts are left out.
Regional Artificial Intelligence Initiative, FedDev Ontario — contribution
Limina launched Contextual Replacement in release 4.5, included for all customers. It replaces sensitive identifiers with synthetic values that fit their context, combining language models with deterministic rules and automatic fallback.
FedDev Ontario announced contributions to 13 Greater Toronto Area businesses, including $2,000,000 to Private AI, operating as Limina, to advance and scale its sensitive data infrastructure platform.
The company announced its rebrand from Private AI to Limina, derived from the Latin limen meaning threshold, stating the rebrand does not affect its products, customers or operations.
Sourced from the company's own pages or announcements.
Patricia Thaine
Co-Founder and Chairwoman
Terms the company uses about its own work.
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