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Vendor and Supplier Onboarding Form Template

Onboard new vendors in one pass — banking, tax IDs, insurance certificates and compliance docs collected through a single link your procurement team can audit.

A vendor and supplier onboarding form that captures company details, banking info, tax documentation, insurance certificates, and compliance acknowledgements in one place. Send it to a new supplier, get a clean record back, and route it straight into procurement.

#vendor#supplier#onboarding#procurement#compliance#w9#banking#b2b
No signup required
AI customizable
✓ Free forever plan✓ Embed on any website✓ GDPR compliant✓ No code required

Why use a vendor and supplier onboarding form?

Bringing on a new supplier usually means six email threads, three PDFs sent back unsigned, and a W-9 that arrives as a phone photo of a phone screen. By the time procurement has everything, the project the vendor was hired for is already two weeks behind. A digital vendor onboarding form replaces that mess with a single intake link. The supplier fills out their company information, uploads their tax form and insurance certificate, confirms their banking details, and signs the compliance acknowledgements — all in one sitting. Your team gets a structured record instead of an inbox full of attachments. It also gives finance and legal what they actually need: a timestamped audit trail showing which version of your code of conduct each vendor agreed to, when they submitted their COI, and who on your side approved the file. When auditors ask, you point them at the form, not a shared drive.

What's included in this template

16 fields — customize any field or add new ones with AI.

Short textLegal Company Name✱
Short textDoing Business As (DBA)
Short textPrimary Contact Name✱
EmailContact Email✱
PhoneContact Phone✱
Long textBusiness Address✱
URLCompany Website
DropdownBusiness Type✱
Short textTax ID / EIN✱
File uploadW-9 or W-8 Form✱
File uploadCertificate of Insurance
Long textBank Name and Account Details✱
DropdownPayment Terms Preferred
Long textGoods or Services Provided✱
CheckboxesI agree to the Vendor Code of Conduct✱
SignatureAuthorized Signature✱

Need different fields?

Tell the AI what to change — "add a budget dropdown" or "remove phone number" — and it edits the form instantly. Every field type above can be added, removed, or relabeled through the chat interface.

Key features of this vendor and supplier onboarding form template

Everything you need to launch this form in minutes, share it with your team, and collect submissions reliably.

1

Conditional sections by vendor type

A software reseller does not need the same questions as a freight carrier. Branching logic shows only the fields that apply, so vendors finish faster and you collect cleaner data.

2

Document uploads with file type rules

Restrict W-9 uploads to PDF, certificates of insurance to PDF or JPG, and cap file size. Procurement stops chasing replacements for unreadable phone photos.

3

Built-in compliance acknowledgements

Embed your code of conduct, anti-bribery policy, or data processing addendum directly in the form. Each acknowledgement is timestamped against the version the vendor saw.

4

Routing on submission

New submissions ping your procurement Slack channel and append a row to a Google Sheet. Finance sees banking changes the moment they happen, not three days later.

5

Save and resume

Suppliers can stop mid-form, come back through the same link, and pick up where they left off — useful when the person filling it out needs to ask their CFO for the tax ID.

6

Signature capture

Drawn or typed signatures attach to the submission record with IP and timestamp, giving legal a defensible audit trail without a separate e-sign tool.

Perfect for

Procurement managers building a vendor master file, finance teams collecting banking and tax data, operations leads onboarding contract manufacturers, legal teams tracking compliance acknowledgements, startup founders setting up their first supplier list, agency owners contracting freelancers and subcontractors, and HR teams managing staffing-agency relationships.

How to use this template

1

Open the template

Click "Use this template free." Flexform loads the form instantly — no account needed to preview.

2

Customize with AI

Type what you want to change in the chat: fields to add or remove, rename labels, change field types, or rearrange pages.

3

Connect & publish

Link to Slack or Google Sheets with one click, then embed on your site or share the link.

Ways to use this template

New supplier intake

Procurement sends one link to a newly approved vendor. The vendor returns company info, tax documents, banking details, and signed acknowledgements in a single submission, ready for ERP entry.

Annual vendor refresh

Re-collect insurance certificates and banking confirmations yearly without rebuilding the form. Filter for vendors whose COI expires next quarter and send the link in a batch.

Contractor and freelancer onboarding

Agencies and consulting firms use the same intake for 1099 contractors. The W-9 upload and signature fields satisfy what finance needs at year end.

International supplier sign-up

Conditional logic swaps the W-9 for a W-8BEN, asks for VAT or GST IDs, and captures SWIFT codes — so the same form handles US and overseas vendors cleanly.

Procurement audit preparation

Export every submission with timestamps and signed acknowledgement versions when auditors ask how you collected vendor compliance attestations.

Marketplace seller onboarding

Platforms that pay third-party sellers use the form to collect tax info, payout banking details, and platform terms agreement before activating the seller account.

Workflow integrations

Connect this form to your existing tools with no middleware. Every submission triggers your workflow automatically.

SlackGoogle SheetsHubSpotEmail
⚡

Real-time sync

Data appears in your CRM or spreadsheet within 1–2 seconds of submission — no cron jobs, no delays.

🔀

Conditional routing

Route submissions to different Slack channels, HubSpot pipelines, or Airtable bases based on field values.

🔁

Two-way data flow

Pre-fill form fields with CRM data for returning visitors. Update existing records instead of creating duplicates.

Why choose Flexform?

Most onboarding tools assume you already know what you want to ask. FlexForm assumes you do not — and that is fine. Describe the change you want in plain English ("add a section for international vendors that asks for VAT number and bank SWIFT code") and the AI editor updates the form. No re-publishing a new link, no breaking the URL you already sent out. The form drops into your existing workflow without forcing a tool migration. Submissions land in a Slack channel for procurement, sync to a Google Sheet for finance reconciliation, and can push contact records into HubSpot if you treat vendors as a CRM object. If you ship a buyer-facing native app, the Kotlin Multiplatform mobile SDK lets you embed the same form in Android and iOS with shared business logic — vendors never leave your app. You can share the form as a hosted link to anyone with the URL, no account required on their end, and run the whole thing on the free plan until your volume justifies upgrading. That combination — AI you can talk to, integrations that already speak to your stack, native mobile embedding, and a price of zero to start — is why teams pick FlexForm over a generic survey tool.
One link, share anywhere
Native iOS & Android SDK
Free forever plan

Frequently asked questions

Can vendors save their progress and finish later?

Yes. The form supports save-and-resume, so a vendor can fill in what they know, send the link to their finance lead for the banking section, and submit once everything is in. The link stays valid and the submission ties back together.

What file types can be uploaded for W-9s and insurance certificates?

You can restrict uploads to PDF, JPG, or PNG and set a max file size. That stops vendors from sending 30 MB phone photos and keeps your records auditor-ready.

How do we handle vendors in different countries?

Use branching logic to swap the W-9 field for a W-8BEN when the vendor selects a non-US business address, and to ask for VAT, GST, or SWIFT codes only when relevant. One form, many tax regimes.

Where do submissions go?

Submissions appear in your FlexForm dashboard and can be pushed to Slack, Google Sheets, HubSpot, or an email distribution list. Most procurement teams send a notification to a #vendors channel and append a row to a vendor master sheet.

Can I customize the form with our own compliance language?

Describe the change in plain English and the AI editor rewrites the section for you. You can paste in your code of conduct, anti-bribery clause, or data processing addendum and have it embedded as an acknowledgement step.

Is the signature legally binding?

The captured signature is stored with the submission timestamp and IP address, which holds up under the US E-SIGN Act and EU eIDAS for ordinary commercial agreements. For higher-risk contracts, pair it with a dedicated e-sign tool.

Can we embed this in our own procurement portal or mobile app?

You can embed the form in any web page, and the Kotlin Multiplatform SDK lets you render it natively inside Android and iOS apps with shared logic. Vendors never see a third-party tool.

Is there a free plan?

Yes — the free plan covers the full template, share link, AI editing, and core integrations. You only upgrade when you outgrow the submission volume or need advanced features like SSO and audit log exports.

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Use this vendor and supplier onboarding form template free

Open the template, customize with AI, connect your tools, and publish — in under 5 minutes.

No signup required · Free forever plan