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1099 & W-9
1099 & W-9

IRS 1099 and W-9 compliance for enterprises

W-9 collection and 1099 reporting across a large enterprise is no simple task. With hundreds, thousands, or even tens of thousands of vendors to track plus strict IRS filing deadlines, the margin for error is small. Enterprises need a scalable way to stay ahead of 1099 compliance demands. 
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Enterprises how it works

Avalara 1099 & W-9

Discover how Avalara 1099 & W-9 simplifies IRS compliance with a smarter, faster online solution.
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See Avalara 1099 & W-9 in action with an instant, self-guided demo — no sales pitch, no commitments.
How it works

Manage 1099 and W-9 compliance from a single dashboard

  • Request electronic W-9s, W-8s, and W-4s from vendors while Avalara 1099 & W-9 automatically validates TINs (for U.S. vendors) in real time.
  • Relax. Avalara 1099 & W-9 will worry about security protocols on your behalf.
  • Create 1099s, e-file with the IRS (with another round of TIN checks), e-file with the required states (Avalara 1099 & W-9 flags which states require e-filing), and e-deliver (or postal mail) to your vendors all at once.
TIN

Flexible W-9 collection

Whether you’re working with just a few vendors, onboarding new ones around the clock, or managing a complex internal system, Avalara 1099 & W-9 offers flexible solutions to fit your workflow. Easily collect W-9s by sending online requests to individual vendors, importing a bulk CSV file, embedding a collection widget into your onboarding process, or integrating Avalara 1099 & W-9 capabilities directly into your internal systems using APIs — no extra sign-ins required.
Put the onus on your vendors to get their information correct

Global vendor compliance

Avalara 1099 & W-9 supports compliance for foreign vendors by enabling enterprises to collect, validate, and store W-8 forms securely, and to e-file Form 1042-S. These tools help businesses meet IRS requirements for international payments with greater accuracy and less manual effort.
Stop going back and forth with your vendors

IRS, state, and recipient 1099 compliance made simpler at scale

Enterprises can import 1099 payee data or integrate with our APIs to transfer vendor details from W-9s for quick turnaround to the IRS while automatically checking for errors. Then they can e-file with the individual states that require extra filing and automatically e-deliver 1099 copies back to their vendors ahead of strict IRS deadlines.
Validate your vendors’ postal addresses too
Benefits

From chaos to compliance: Scale your 1099 and W-9 workflow

Integrated automation for high-volume 1099 filing

Use Avalara APIs to embed W-9 collection and 1099 e-filing into your ERP, accounting, or procurement systems to better enable seamless compliance at scale.
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Scalable compliance across entities and payers

Manage 1099 compliance for multiple units and legal entities from a centralized platform to reduce risk and complexity. Avalara 1099 & W-9 supports unlimited teams and users to further scale your efforts efficiently.
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Enhanced accuracy and security

Automate your W-9 collection, TIN matching, and bulk e-filing with the IRS and states (backed by SOC 2 Type 2 compliance) to reduce errors and safeguard sensitive vendor data.
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Avalara Real-Time TIN Match & Avalara Bulk TIN Match   

Help catch inaccurate payee data at the source before it can lead to potential IRS penalties, backup withholding, and year-end filing chaos with these two TIN-matching solutions.

Avalara Real-Time TIN Match 

Avalara Real-Time TIN Match provides instant payee verification directly within your onboarding workflows via an API. Designed to accommodate daily transactional needs, it quickly validates legal name and TIN combinations during registration, helping ensure clean, compliant vendor data enters your systems from day one.
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Avalara Bulk TIN Match

Avalara Bulk TIN Match enables teams to verify extensive payee lists through an API —whether they have hundreds or hundreds of thousands of records. This solution provides validated IRS match results to teams within 24 hours to proactively identify discrepancies and collect updated W-9s before year-end 1099 reporting deadlines.
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Customer Testimonials

See what our accounting partners have to say

1099 Compliance Shifts in 2026

IRIS replacing FIRE. Draft W-9 changes. Evolving thresholds. Inconsistent state adoption.
Learn more
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