Unsolicited trust-first concept by Conversion Rescue. Not affiliated with or approved by Grantvera.
Safe client access for Google Sheets

Share the cells. Keep the secrets.

Turn a Google Sheet into a secure client portal. Clients update only the ranges you choose; your formulas, margins, and private tabs never leave your control.

Connect a test sheet — freeOfficial Google OAuth
Revoke anytime · Contents never stored
A
B
C
D
1
Client
Status
Margin
Formula
2
Acme
In review
42%
=SUM(...)
3
North
Approved
37%
=SUM(...)
Client view: B2:B20 editable · private columns hidden
Trust before permission

The safety answer belongs beside the first click.

01Test without risk

Start on a duplicate or sample sheet before inviting a real client.

02Google stays in control

Official OAuth access is visible and revocable from the Google account at any time.

03Contents are never stored

Grantvera displays selected data in flight; it does not become a second spreadsheet database.