Sell to US companies and Latin America: register as a supplier for free
Suppliers from anywhere in the world in tail spend categories (indirect goods and services): register for free, with no fees or commissions, and become available for buyers in the US and Latin America to invite you to their RFQs and RFPs. Your account stays pending until it is approved.
Free self-registration · approval required · Identity verified with Didit
Supplier portal access
Suppliers register themselves; each account stays pending until Tail Sourcing or the buyer approves it.
Supplier Plan
FreeSupplier portal access
Suppliers register themselves. Your account stays pending until it is approved by Tail Sourcing or by the buyer. It is free for suppliers, with no fees or commissions. Worldwide supplier identity verification with Didit: official ID, liveness selfie and face match. Buyers can also invite a supplier directly; that invitation is valid for 14 days.
Free self-registration · approval required
In the portal
- Company profile
- RFX (RFI/RFQ/RFP) invitations and responses
- Your product/service catalog inside Tail Sourcing
- Purchase orders and invoice upload
Good to know
- Suppliers register themselves; approval by Tail Sourcing or the buyer is required.
- Buyers can also invite a supplier directly; that invitation is valid for 14 days.
- Worldwide supplier identity verification with Didit: official ID, liveness selfie and face match.
- One user per person; don't share logins
What suppliers do in the portal
The same records your buyer uses: RFX, purchase orders and invoices.
RFX from your buyers
Answer RFI, RFQ and RFP in RFX Opportunities.
Purchase orders in one place
See purchase orders from your buyers.
Invoices through the portal
Upload invoices to your buyer.
Your catalog
Publish your catalog inside Tail Sourcing for your buyers.
Verified company profile
Approved by the buyer or by Tail Sourcing. Worldwide supplier identity verification with Didit: official ID, liveness selfie and face match.
English and Spanish
The portal and invitations in your language.
How to get access
Free self-registration · approval required
Register
Create your supplier account at the registration link. It stays pending until Tail Sourcing or the buyer approves it. If a buyer invited you, use the link in the invitation (valid 14 days).
Create your account
Sign up with your email and a password, then confirm with the 6-digit code sent to your email. During onboarding you accept the Supplier Terms, add your company details, documents and bank details, and submit for review. Your account stays pending approval and is not visible to buyers until approved. We recommend a company email; free email accounts are reviewed manually.
Complete your profile
Fill in your company profile and start your identity verification: worldwide supplier identity verification with Didit (official ID, liveness selfie and face match). Complete the Didit verification, then submit your profile for review.
Answer RFX
Sign in at https://esourcing.tailsourcing.com/login and open RFX Opportunities. Questions about an RFQ? Reply to the invitation email.
Suppliers of Tail Sourcing buyers
Companies registering to quote or supply through Tail Sourcing.
- Manufacturers and distributors of industrial, MRO and packaging goods
- Professional services firms (consulting, engineering, marketing, legal)
- IT, software and digital services vendors
- Facilities, logistics, energy and corporate-services providers
No listing fees. No commissions. No surprises.
Registration and portal access are free for suppliers, with no fees or commissions. Each account stays pending until Tail Sourcing or the buyer approves it. Each person uses their own account to respond to RFX, see orders and upload invoices.
- ✓ Free verified profile
- ✓ Free RFx access
- ✓ Free digital catalog
- ✓ Free PO and invoice dashboard
Supplier questions, answered
Is it free?
Yes. The supplier portal is free for suppliers, with no fees or commissions.
How do I register as a supplier?
Register at https://esourcing.tailsourcing.com/register?role=supplier&lang=en, then complete your company profile.
Who approves my account?
If you register yourself, Tail Sourcing approves your account. If a buyer invited you, that buyer approves it.
How is my identity verified?
Worldwide supplier identity verification with Didit: official ID, liveness selfie and face match. Didit is a digital identity verification service. It verifies the person's identity, not the company.
Identity verification shows an error.
Don't retry. Email sales@tailsourcing.com with a screenshot.
I forgot my password.
Use "Forgot password?" at https://esourcing.tailsourcing.com/login. The link works once; if it expires, request a new one and check spam.

Built for buyers and suppliers who actually shake hands
Behind every PO there's a person delivering. Verified profiles, fair RFx and on-time payment terms keep that relationship working for both sides.
