Frequently asked questions.

Is AtomicTax a tax calculator?

No. AtomicTax is a sales tax software workflow covering nexus monitoring, registrations, connected data inputs, and recurring filing operations.

Do I need an integration?

No. AtomicTax works best with connected data sources and automation, but file uploads are still supported when your setup is not ready for a direct connection.

Do you support ecommerce and SaaS?

Yes. AtomicTax is designed for ecommerce, SaaS, marketplaces, and multi-state online businesses.

Do you support connected data sources?

Yes. AtomicTax is built around connected sources like Shopify, Amazon, Stripe, Square, WooCommerce, BigCommerce, Wix, marketplaces, custom APIs, and many more systems. Uploads still work as fallback inputs.

Do you monitor nexus?

Yes. AtomicTax helps teams track threshold movement and state exposure so registration and filing workflows start in the right places.

Do you handle registrations?

Yes. Registration workflows are part of the broader AtomicTax product set when new-state setup or cleanup work is needed.

Do you help with recurring filings?

Yes. AtomicTax supports the recurring filing workflow through data intake, calendar control, review, and multi-state operational management.

Do you support all states?

AtomicTax accepts all states for intake and workflow review. State handling varies by portal, registration status, and filing complexity.

Can accountants use AtomicTax?

Yes. AtomicTax includes an accountant workspace for firms managing multiple client businesses and filing calendars.

What if my source data is messy?

AtomicTax can normalize connected-source and uploaded data, but better automation starts with cleaner source systems and more consistent reporting inputs.

Is AtomicTax a full enterprise tax suite?

No. AtomicTax is intentionally more focused: a practical software workflow for sales tax registrations, nexus, reporting, and filings.