WESTERN ALLIANCE BANCORPORATION 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.
- 2026-02-23: Fiscal year end 2025-12-31; Auditor RSM US LLP; PCAOB firm ID 49; Location Austin, Texas.
- 2025-02-25: Fiscal year end 2024-12-31; Auditor RSM US LLP; PCAOB firm ID 49; Location Austin, Texas.
- 2024-02-28: Fiscal year end 2023-12-31; Auditor RSM US LLP; PCAOB firm ID 49; Location San Francisco, California.
- 2023-02-23: Fiscal year end 2022-12-31; Auditor RSM US LLP; PCAOB firm ID 49; Location San Francisco, California.
| Filed | Fiscal year end | Auditor | PCAOB firm ID | Location | Internal-control attestation |
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| 2026-02-23 | 2025-12-31 | RSM US LLP | 49 | Austin, Texas | Yes |
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| 2025-02-25 | 2024-12-31 | RSM US LLP | 49 | Austin, Texas | Yes |
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| 2024-02-28 | 2023-12-31 | RSM US LLP | 49 | San Francisco, California | Yes |
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| 2023-02-23 | 2022-12-31 | RSM US LLP | 49 | San Francisco, California | Yes |
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| 2022-02-25 | 2021-12-31 | RSM US LLP | 49 | Los Angeles, California | Yes |
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| 2021-02-25 | 2020-12-31 | RSM US LLP | | Phoenix, Arizona | Yes |
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| 2020-03-02 | 2019-12-31 | RSM US LLP | | Phoenix, Arizona | |
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| 2019-03-01 | 2018-12-31 | RSM US LLP | | Phoenix, Arizona | |
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| 2018-02-26 | 2017-12-31 | RSM US LLP | | Phoenix, Arizona | |
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| 2017-02-28 | 2016-12-31 | RSM US LLP | | Phoenix, Arizona | |
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| 2016-02-16 | 2015-12-31 | RSM US LLP | | Phoenix, Arizona | |
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| 2015-02-17 | 2014-12-31 | McGladrey LLP | | Phoenix, Arizona | |
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| 2014-02-21 | 2013-12-31 | McGladrey LLP | | Phoenix, Arizona | |
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| 2013-03-01 | 2012-12-31 | McGLADREY LLP | | Phoenix, Arizona | |
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| 2012-03-02 | 2011-12-31 | McGLADREY & PULLEN, LLP | | Phoenix, Arizona | |
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| 2011-03-07 | 2001-12-31 | McGLADREY & PULLEN, LLP | | Las Vegas, Nevada | |
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| 2010-03-16 | 2009-12-31 | McGLADREY & PULLEN, LLP | | Las Vegas, Nevada | |
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| 2009-08-10 | 2008-12-31 | McGLADREY & PULLEN, LLP | | Las Vegas, Nevada | |
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| 2009-03-16 | 2008-12-31 | McGLADREY & PULLEN, LLP | | Las Vegas, Nevada | |
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