A Signet Stack Ltd brand · Coming soon

The governance OS for agentic commerce.

Signetify™ is the governance operating system for agentic commerce. Humans and AI agents co-create and transact on the same storefront, through the same cryptographically-gated path. Only an authenticated human can hold a legally-binding signature. Built for the EU AI Act's August 2026 accountability requirements.

Buildby voice

Refineby hand

Operateby agent

Proveevery byte

Visit signetify.com →Get in touch

The governed agentic-commerce OS is coming soon to signetify.com. For the enterprise platform underneath it, see SignetStack DXP. Signetify is a brand of Signet Stack Ltd, registered in England & Wales, Companies House No. 13011013. Signetify customers contract with and pay Signet Stack Ltd.

What it is

Let agents run your commerce. Keep the authority human.

Build in Cinema. Sell to people and their AI agents through the same governed gate. Prove what happened, why it was allowed, and who authorised it, with an audit trail shaped for the EU AI Act.

Governance

Everything agents need to be trusted

From governed agent actions to a record a regulator can replay, Signetify is the trust layer for agentic commerce.

Non-Delegable Human Authority

Agents can do everything a human can, except hold a legally-binding signature. It is structural, enforced in the type system, not a setting anyone can toggle.

One Gate for Humans and Agents

Every action and every purchase, whether it comes from a person or an AI buyer, flows through the same spend-capped, delegated-authority gate. No side doors for agents.

Hard-Gate / Soft-Gate Audit

A queryable record of every agent decision and which policy gated it. Built for the EU AI Act's August 2026 accountability requirements.

Agent Supervision and Kill-Switch

A learning grader watches every agent. Anomalies are throttled or stopped automatically, with the evidence to show why.

Provenance on Every Asset

Content Credentials (C2PA, signed JSON-LD) on what your agents create and change. Post-quantum-ready: FIPS 204 ML-DSA-65.

Choose Your Own Payment Rail

Stripe, PayPal, Adyen, Paystack. You are never locked in. Built to interoperate with agentic-checkout standards, governed on your terms.

Trust

Enterprise-grade from day one

Human-Only Signing

No agent can ever emit a legally-binding signature. Enforced structurally, fail-closed.

GDPR Compliant

Consent management, data portability, and right-to-erasure built in.

Post-Quantum Ready

FIPS 204 ML-DSA-65 verification live today; PQ signing at general availability.

How it works

Three steps to launch

Build It

Describe your storefront in plain language or voice. Cinema Mode renders it live; refine it alongside the agent.

Govern It

Grant agents scoped authority: spend caps, policy gates, delegation lineage. They do the work. You keep the signature.

Prove It

Every action, human or agent, leaves a queryable record of what happened, why it was permitted, and who authorised it.

Capabilities

Far more than a website builder

Conversational generation

Describe your business by voice or text; Signetify streams a complete, multi-page site and storefront, section by section.

Native AI media

Owned, end-to-end generation of imagery, with video, audio and 3D on the roadmap, not a thin wrapper over someone else's API.

Pixel-perfect editing

Refine an AI build, or design from scratch, with full WYSIWYG control and live desktop / tablet / mobile preview.

Agentic commerce

Authorise an AI agent to build and run your store, catalog, pricing, merchandising, support, with you in control and every action logged and reversible.

Co-creation OS

You and an agent drive the same controls behind the same guardrails, producing the same audit trail, agents can do anything you can, and nothing you can't.

Provenance & verification

Every asset carries cryptographic provenance from the moment it's created; tiered verification proves authenticity, up to court-admissible reports.

Creator marketplace

Buy and sell provenance-locked templates, themes and media, with lineage-aware royalties paid automatically to original creators.

Built-in commerce

Catalog, cart, checkout and orders out of the box, card data is handled by Stripe and never touches Signetify servers.

Real-time collaboration

Sub-second live presence for teams editing many pages at once, with instant human override of any agent action.

The Modes system

Not one editor, a set of creative intelligences

Cinema Mode is a full-screen, immersive AI builder. You speak, it builds. Every keystroke, layout decision, and content block generated live. Modes grow with you, from a single prompt to a full application.

Cinema

Prompt-to-website, the fastest way to get a real, multi-page site live.

Factory

Production at scale, assemble multi-page builds, apply brand kits across pages, and publish to the marketplace.

Edit

Pixel-perfect refinement or design from scratch, full WYSIWYG, multi-viewport, by voice, click or text.

Developer

Code-level control and full web-application development on top of the platform.

Trust by construction

Every byte you serve carries proof

Every asset and transaction is provenanced from the moment it's created, the Signetify Signature, so you can prove what was made, who approved it, and that it hasn't been altered. Tiered verification scales from a quick authenticity check to a court-admissible report. Signet Verify extends this as a B2B capability that can prove whether content came from Signetify and detect AI-generated content from elsewhere.

Honesty, by design

True · Real · Reversible · Visible

A hard architectural rule, not a marketing line: no dark patterns, no fake urgency, no fake scarcity, no nudges you can't undo. The platform that knows the most about a buyer is the one most disciplined about never exploiting it.