Every new California business filing, every day1 accounting and tax preparation businesses recently registered in Castro Valley, California.
Updated August 19, 2026 · Most recent business filing Nov 3, 2025

Every new California filing, every day
See how it worksThis page lists new accounting and tax preparation businesses registered in Castro Valley, California. We currently track 1, sourced directly from the California Division of Corporations and refreshed daily as new accounting and tax preparation companies file.
Recent additions include SQ Smart Tax. The most recent accounting and tax preparation business filing was on Nov 3, 2025.
Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to accounting and tax preparation businesses in Castro Valley, this is one of the freshest prospect lists in the market.
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