EXPONENT, 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.
- 2026-02-27: Fiscal year end 2026-01-02; Auditor KPMG, LLP; PCAOB firm ID 185; Location San Francisco, California.
- 2025-04-18: Fiscal year end 2025-01-03; Auditor KPMG, LLP; PCAOB firm ID 185; Location San Francisco, California.
- 2025-02-28: Fiscal year end 2025-01-03; Auditor KPMG, LLP; PCAOB firm ID 185; Location San Francisco, California.
- 2024-04-17: Fiscal year end 2023-12-29; Auditor KPMG, LLP; PCAOB firm ID 185; Location San Francisco, California.
| Filed | Fiscal year end | Auditor | PCAOB firm ID | Location | Internal-control attestation |
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| 2026-02-27 | 2026-01-02 | KPMG, LLP | 185 | San Francisco, California | Yes |
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| 2025-04-18 | 2025-01-03 | KPMG, LLP | 185 | San Francisco, California | Yes |
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| 2025-02-28 | 2025-01-03 | KPMG, LLP | 185 | San Francisco, California | Yes |
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| 2024-04-17 | 2023-12-29 | KPMG, LLP | 185 | San Francisco, California | Yes |
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| 2024-02-23 | 2023-12-29 | KPMG, LLP | 185 | San Francisco, California | Yes |
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| 2023-02-24 | 2022-12-30 | KPMG, LLP | 185 | San Francisco, California | Yes |
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| 2022-02-25 | 2021-12-31 | KPMG, LLP | 185 | San Francisco, California | Yes |
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| 2021-02-26 | 2021-01-01 | KPMG, LLP | | San Francisco, California | Yes |
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| 2020-02-28 | 2020-01-03 | KPMG LLP | | San Francisco, California | |
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| 2019-02-22 | 2018-12-28 | KPMG LLP | | San Francisco, California | |
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| 2018-02-23 | 2017-12-29 | KPMG LLP | | San Francisco, California | |
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| 2017-02-24 | 2016-12-30 | KPMG LLP | | San Francisco, California | |
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| 2016-02-26 | 2016-01-01 | KPMG LLP | | San Francisco, California | |
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| 2014-03-03 | 2014-01-03 | KPMG LLP | | San Francisco, California | |
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| 2013-02-28 | 2012-12-28 | KPMG LLP | | San Francisco, California | |
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| 2012-02-27 | 2011-12-30 | KPMG LLP | | San Francisco, California | |
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| 2011-02-28 | 2010-12-31 | KPMG LLP | | San Francisco, California | |
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| 2010-02-24 | 2010-01-01 | KPMG LLP | | San Francisco, California | |
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| 2009-02-25 | 2009-01-02 | KPMG LLP | | San Francisco, California | |
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