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Zeno is invite-only. An owner adds an address under Settings → Team, and that row is the authorization — there is no code to share, and forwarding an invite grants nothing, because the gate is the address rather than the link. People then sign in with Google, Microsoft, or Intuit on the address you listed. Somebody who cannot use any of those — an auditor, a reviewer, anyone whose work account will not sign in to outside apps — can choose Email me a sign-in link on the sign-in page instead. Zeno emails a link to the address, and it works once, for 15 minutes. Links only go to addresses on a firm’s team, and someone you remove from the team stops receiving them. Revoking someone before their first sign-in is a delete, with nothing left behind to clean up.

Roles

What each may do: These are enforced by the server on every request. The console mirrors them by hiding what a person cannot use, but the check that matters is the server’s. Role Capability Card
A cardholder does not get the console at all. Handing someone whose whole business here is the card in their pocket the full firm console would expose work they cannot act on. They get a page for their own charges instead, and cannot connect an AI client. See expense claims.
Cardholder Restricted View

Client access

An owner can limit an invite to named client companies. Leave the selection empty for an owner, operator, or member who should see the whole firm. A scoped person sees only the selected companies wherever the console or MCP tools list client work. A cardholder must be scoped to at least one company. With no company selected, the cardholder sees no claims.

Business viewers

A business viewer is the owner of one of your clients, given a way to see their own books without being able to change them. “Owner” in the table above is whoever runs your Zeno workspace; a business viewer never is, and making someone one takes nothing away from anyone else.
  • Their companies, and only those. Pick at least one company when you invite a business viewer or move someone to the role. With none picked they would see nothing, so Zeno refuses the invite rather than guess. They can never be widened to the whole firm.
  • Their own page. They do not get the console. They see their company’s profit and loss for the year and its balance sheet, read from QuickBooks Online when the page opens, and its latest transactions, each saying how fresh it is. None of your firm’s plans, notes or work is on it.
  • Questions for you. Beside any transaction they can ask the team what it is. The question waits under Owner questions in your console and in your AI’s next check for pending work; it is not a chat, and nobody has to be online. Your AI can draft the answer; a person on your team publishes it before the owner sees it. Answering or resolving a question never changes the books - a correction is a plan, approved the usual way.
  • Their own AI, read-only. A business viewer can connect Claude or ChatGPT to Zeno. That connection reads only their companies’ books and can leave questions, whatever they chose on the consent screen.
Anyone who could act can also connect an AI client for looking only: the consent screen offers View and answer only beside Full access. That choice is for that one connection. It changes nobody’s role.

Nobody is a seat

Pricing follows client books and nothing else. Invite as many owners, operators, members, cardholders and business viewers as the work needs; who may approve is a permission you grant, not a purchase. The Team page says how many people can approve a posting, which is a fact about the firm’s review and not a count against anything. Current pricing is on zenofirm.com/pricing.

Removing someone

Removing a person ends their sessions immediately. Work they approved keeps their name on it — a verdict is a record of what a specific person decided, and it does not become anonymous because they left.

Changing a role

Re-role someone in place from the same page. It takes effect on their next request, not on their next sign-in. To change an existing person’s company scope, remove the address and invite it again with the intended clients selected. Their recorded approvals keep their name. A business viewer’s companies are changed in place, from the companies link on their row. Moving someone to business viewer asks for their companies before anything changes.