Formulas exposed
Clients see your pricing logic, margin math, or proprietary models the moment you share the tab.
Convert Google Sheets
into client portals
For agencies, freelancers, and small businesses who manage client data in Google Sheets and need a clean, secure way to share it.
* No credit card required.
Early interest from people working at
" Business owners want the control of Sheets with the polish of a client portal—but every existing option forces a context switch. "
Cristian Rusu
Founder/CTO - portal0
/ how it works /
Deploy GuardRail in 3 Minutes
Minimal setup, instant compliance and protection.
first
Install via Marketplace
The admin installs GuardRail from the Google Workspace Marketplace, granting Domain-Wide Delegation (DWD) to our service account for secure access.
Select Users & Pay
Choose the Organizational Units (OUs) or Groups you wish to license. Our system automatically calculates billing based on your selection, securing instant compliance for those teams.
Set Policy & Go Live
Define your core data policies (e.g., redact SSNs, block external sharing for PII). Users automatically see the GuardRail add-on and are protected immediately.
/ problem section /
Stop sending messy spreadsheets to clients
Portal0 turns a single Google Sheet into a branded, encrypted portal without forcing teams to leave their workflow.
Problem
Live spreadsheets break the moment clients see them
Operators stay in Sheets because it is flexible, automated, and already connected to every workflow. Clients only see messy formulas, internal notes, and broken permissions.
Internal notes visible
"Do not show client" columns and checklist comments leak alongside the deliverable.
Access is brittle
Duplicating tabs, emailing CSVs, and hiding rows creates errors and no audit trail.
Unbranded handoff
A raw Sheet link feels like a draft, not a premium portal clients can trust.
Sharing spreadsheet data today means duplicating tabs, hiding columns, or onboarding clients into a no-code builder that drifts out of sync.
Portal0 respects why teams run on Sheets in the first place. Keep the live workbook untouched while sending clients a polished, permissioned surface.
Solution
Portal0 is the client-safe layer that lives inside Sheets
Instead of adopting another dashboard tool, Portal0 turns the Sheet you already use into a branded, encrypted portal with row-level controls and Vault0-ready paywalls.
Launch speed
Traditional
Map data, learn a builder, recreate layouts, and invite clients to yet another app.
Portal0
Select the columns that matter and ship a secure link directly from the Sheet sidebar.
Source of truth
Traditional
External databases or synced tables drift from the workbook operators update daily.
Portal0
Your Google Sheet or Excel file stays live. Portal0 reads from the source in real time.
Client experience
Traditional
Generic dashboard UI that ignores your brand and forces clients to learn a new tool.
Portal0
A branded microsite at portal0.run/your-client plus inline summaries inside the Sheet.
Governance
Traditional
Limited row-level control and no way to monetize access without engineering help.
Portal0
Per-row permissions, audit logs, and optional Vault0 paywalls for premium data.
Zero-friction workflow
Portal0 behaves like the professional "Share" button for operations teams—no builders, no dashboard debt.
Stay-in-Sheets architecture
Shadow IDs and Developer Metadata keep portals stable even as columns move or headers change.
Privacy as a feature
User-derived encryption plus row-level controls keep legal, finance, and agency work compliant.
/ how it works /
Attain zero tax anxiety
01
Set up your profile
Add your tax residency, company, and travel preferences.
02
Plan trips
See where you can go, track your visa days, and stay compliant.
03
Optimize taxes
Set alerts on DTT, tax residency rules, and keep your documents in one place.
Pricing
Choose a plan that fits your agency or team — scale portals, branding, and support as you grow.
Monthly
Yearly (2 months free)
Free
$0
• 1 portal
• 100 views/month
Pro
$49 / month
• 10 portals
• 10,000 views/month
• 1GB storage
• Basic templates
• Email support
Agency
$149 / month
• 50 portals
• 50,000 views/month
• 5GB storage
• Advanced templates
• Premium support
• Custom branding
• Webhooks & integrations
• AI field mapping
Enterprise
Custom
• Unlimited portals
• Unlimited views/month
• Unlimited storage
• Custom templates & integrations
• SAML
• SLAs
• Dedicated onboarding
• SSO
• Audit logs
Your Questions, Answered.
Is the 3-day trial really free?
Yes, it is. We don't ask for a credit card up front. You get full access to all features to experience the value for yourself before you decide to subscribe.
How does Tropical help with my taxes?
We provide strategic guidance on tax residency and help you organize your finances to prepare for tax filings. We are not a tax firm, but we give you all the tools and insights you need to work with one or file with confidence.
Can I use this if I work for a company?
Tropical is designed for contractors and freelancers who are responsible for their own tax and compliance. If your employer handles all your compliance for you, you may not get the full value of the app.
Is my data secure?
Absolutely. We use industry-standard encryption and follow strict security protocols to ensure your financial and personal data are always protected.
