A portal your customers will actually log in to.
Allow customers, clients and partners to self-serve through a branded portal. Their projects, their invoices, their files — pulled live from the data you already keep.
Welcome back, Sana
2 projects in progress · 1 invoice due
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Build an experience that delights every customer
A dedicated space that makes your clients feel prioritised — clarity, professionalism and everything they need in one place.
Customer success
Give every customer a polished, branded portal they'll love — and stop answering 'what's the status?' by email.
One place, not ten
Replace scattered emails, forms, PDFs and phone calls with a single hub where everything is up to date.
Your brand, your domain
Your logo, your colours, portal.yourcompany.com. Customers never see Stacker, and never see Airtable.
Preview · your customers see your brand, not ours
Secure logins via their email address
Customers sign in with a magic link or password and land on a home page built for them. No training, no shared spreadsheets, no Airtable seats.
- Magic-link or password login
- Invite customers in bulk from your data
- Optional SSO on Enterprise plans
Control exactly which rows and columns they see
Each customer sees only the records linked to them. Hide internal fields, show the rest, and decide what they can edit.
- Scope records to the logged-in customer
- Hide margins, notes and anything internal
- Per-field view and edit rules
Give access to view and edit their own records
Let customers upload files, approve work, fill in intake forms and update their details — all written straight back to your base.
- Forms and uploads to attachment fields
- Approve / request-changes buttons
- Comments and activity on every record
Questions? We're glad you asked.
- What can customers do in a portal?
- Anything you allow: view the records linked to them, edit fields you mark as editable, submit forms, upload files, approve work and download documents.
- Does it work on mobile?
- Yes. Every portal is responsive and works in any modern mobile browser.
- How many customers can I invite?
- Starter includes 50 external users; Plus and above include unlimited external users. See pricing for details.
- Can I use my own domain?
- Yes. Serve the portal on a custom domain such as portal.yourcompany.com, with SSL handled automatically.
Secure and safe
Stacker is audited and certified by industry-leading third-party standards. Your data stays in your Airtable, Google Sheet or database — Stacker reads and writes it on your behalf, with every permission rule enforced server-side.
Launch your customer portal this week.
Connect your data, brand it, invite a customer. Free for 30 days — no credit card.
- Branded portal on your own domain
- Each customer sees only their records
- Forms, uploads and approvals
- Built on Airtable, Sheets or SQL