Industries Enterprise ACA, 1099 & W-2 Software for Large Employers

At a Glance
Large employers and multi-entity groups face complex ACA, W-2, and 1099 filing requirements across multiple EINs and thousands of employees. BoomTax offers enterprise-scale processing with multi-EIN management, bulk corrections, SFTP/API automation, and SOC 2 compliant infrastructure with SSO/MFA support.

What is the Best ACA Software for Large Employers?

Enterprises with 1,000 to 50,000+ employees need an ACA filing solution built for scale. Multi-entity groups with multiple EINs need unified management. The best enterprise solution offers bulk processing, advanced validation, easy corrections, and the security infrastructure IT teams require.

BoomTax serves Fortune 500 companies, large health systems, and multi-entity groups who need a reliable, secure, and scalable platform for their annual compliance filings.

Why Enterprise Employers Choose BoomTax

  • Multi-EIN Management: File 1095-C, W-2, and 1099 forms for all entities from a unified dashboard.
  • Bulk Processing: Import and validate thousands of records in minutes with advanced error detection.
  • Bulk Corrections: Easily file corrections when errors are discovered—critical for large employers.
  • SFTP & API: Automate data transfers with secure SFTP or integrate via API.
  • Enterprise Security: SOC 2 compliant with SSO/MFA, audit logs, and role-based access.

Forms for Enterprise Employers

Multi-EIN Filing for Corporate Groups

Multi-entity organizations often operate under dozens or hundreds of EINs. BoomTax simplifies this complexity:

  • Unified Dashboard: See filing status for all entities in one view.
  • Aggregated Reporting: Track filing progress across your entire corporate structure.
  • Entity-Level Access: Assign users to specific entities with role-based permissions.
  • Consolidated Import: Upload data for all EINs in one file—we automatically separate filings.

Enterprise Security & IT Requirements

Enterprise IT teams have strict vendor requirements. BoomTax meets them:

  • SOC 2 Type II: Audited security controls for enterprise-grade assurance.
  • SSO Integration: Support for SAML-based single sign-on.
  • MFA Required: Multi-factor authentication for all users.
  • Role-Based Access: Granular permissions control who can view, edit, and submit.
  • Audit Logging: Complete audit trail of all platform activity.
  • 256-bit AES Encryption: Data encrypted at rest and in transit.
  • SSN Masking: Employee SSNs masked throughout the platform.

All Features Included

Purchasing any BoomTax package will give you everything you need to complete your filing.

This includes:

  • Federal E-File
  • State E-File (ACA and 1099 CF/SF)
  • Recipient Copy Download as PDF
  • Official IRS Copy Download as PDF
  • Unlimited Corrections

Bulk Import

Import many companies in one spreadsheet to simplify data input.

Data Validation

We validate your data against hundreds of IRS rules.

Hands Off E-File

No IRS registration or testing required.

Free Corrections

Make as many changes as needed for free.

HRIS & Payroll Integrations

Export data from your HRIS or payroll system and import directly into BoomTax:

Workday
ADP
UKG
Paylocity
SAP
NetSuite

How Enterprise Employers File with BoomTax

Import Your Data

You can import your data as Excel, XML, or use files from popular payroll providers like QuickBooks, UKG, ADP, and many more.

Step-By-Step Wizard

We walk you through the process with no complicated jargon. You can also live chat with a real person as you work on your filing for hands-on help.

E-File & Mail Employee Copies

Once your data is loaded, you can e-file and distribute employee copies in minutes.

Book a Demo

Frequently Asked Questions

Yes, BoomTax is designed for multi-entity organizations. You can manage all EINs from a unified dashboard, import data for all entities in one file, and track filing status across your entire corporate structure.

Yes, BoomTax supports SAML-based single sign-on (SSO) for enterprise customers and multi-factor authentication (MFA) for all users. Contact our enterprise sales team to configure SSO for your organization.

Yes, BoomTax maintains SOC 2 Type II compliance. We can provide attestation documentation to your security team upon request.

BoomTax supports bulk corrections. If you discover errors after filing, you can upload a correction file to generate and submit corrected forms (1095-C corrections, W-2c, 1099 corrections) in batch.

Yes, we offer volume-based enterprise pricing for large employers. Contact our enterprise sales team to discuss your organization's specific needs and pricing.
Michaela Porterfield
Author
Michaela Porterfield
Content Writer at BoomTax
View all posts

Dedicated to simplifying complex IRS regulations for employers, with expertise in ACA, 1099, and W-2 compliance.

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