ONE STOP SYSTEMS, INC. Auditor
The independent registered public accounting firm that signed the audit report in each annual report on Form 10-K, newest first. PCAOB firm ID and the internal-control attestation are as tagged on the cover from fiscal 2021; earlier rows come from the signed report text.
- 2026-03-18: Fiscal year end 2025-12-31; Auditor Haskell & White LLP; PCAOB firm ID 200; Location Irvine, California, U.S.A..
- 2025-03-19: Fiscal year end 2024-12-31; Auditor Haskell & White LLP; PCAOB firm ID 200; Location Irvine, California, U.S.A..
- 2024-03-21: Fiscal year end 2023-12-31; Auditor Haskell & White LLP; PCAOB firm ID 200; Location Irvine, California, U.S.A..
- 2023-03-23: Fiscal year end 2022-12-31; Auditor Haskell & White LLP; PCAOB firm ID 200; Location Irvine, California, U.S.A..
| Filed | Fiscal year end | Auditor | PCAOB firm ID | Location | Internal-control attestation |
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| 2026-03-18 | 2025-12-31 | Haskell & White LLP | 200 | Irvine, California, U.S.A. | No |
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| 2025-03-19 | 2024-12-31 | Haskell & White LLP | 200 | Irvine, California, U.S.A. | No |
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| 2024-03-21 | 2023-12-31 | Haskell & White LLP | 200 | Irvine, California, U.S.A. | No |
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| 2023-03-23 | 2022-12-31 | Haskell & White LLP | 200 | Irvine, California, U.S.A. | No |
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| 2022-03-24 | 2021-12-31 | Haskell & White LLP | 200 | Irvine, California, U.S.A. | No |
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| 2021-03-25 | 2020-12-31 | Haskell & White LLP | | Irvine, California | No |
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| 2020-03-26 | 2019-12-31 | Haskell & White LLP | | Irvine, California | |
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| 2019-03-21 | 2018-12-31 | Haskell & White LLP | | Irvine, California | |
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| 2018-03-21 | 2017-12-31 | Haskell & White LLP | | Irvine, California | |
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