ULTRALIFE CORPORATION 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.
- 2026-03-23: Fiscal year end 2025-12-31; Auditor WithumSmith+Brown, PC; PCAOB firm ID 100; Location Rochester, New York.
- 2025-04-01: Fiscal year end 2024-12-31; Auditor Freed Maxick P.C. (f/k/a Freed Maxick CPAs, P.C.); PCAOB firm ID 317; Location Rochester, New York.
- 2024-04-26: Fiscal year end 2023-12-31; Auditor Freed Maxick CPAs, P.C.; PCAOB firm ID 317; Location Rochester, New York.
- 2024-03-21: Fiscal year end 2023-12-31; Auditor Freed Maxick CPAs, P.C.; PCAOB firm ID 317; Location Rochester, New York.
| Filed | Fiscal year end | Auditor | PCAOB firm ID | Location | Internal-control attestation |
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| 2026-03-23 | 2025-12-31 | WithumSmith+Brown, PC | 100 | Rochester, New York | Yes |
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| 2025-04-01 | 2024-12-31 | Freed Maxick P.C. (f/k/a Freed Maxick CPAs, P.C.) | 317 | Rochester, New York | Yes |
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| 2024-04-26 | 2023-12-31 | Freed Maxick CPAs, P.C. | 317 | Rochester, New York | No |
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| 2024-03-21 | 2023-12-31 | Freed Maxick CPAs, P.C. | 317 | Rochester, New York | No |
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| 2023-04-28 | 2022-12-31 | Freed Maxick CPAs, P.C. | 317 | Rochester, New York | No |
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| 2023-03-31 | 2022-12-31 | Freed Maxick CPAs, P.C. | 317 | Rochester, New York | No |
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| 2022-04-27 | 2021-12-31 | Freed Maxick CPAs, P.C. | 317 | Rochester, New York | Yes |
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| 2022-03-08 | 2021-12-31 | Freed Maxick CPAs, P.C. | 317 | Rochester, New York | Yes |
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| 2017-02-09 | 2016-12-31 | Bonadio & Co., LLP | | Pittsford, New York | |
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| 2016-03-02 | 2015-12-31 | Bonadio & Co., LLP | | Pittsford, New York | |
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| 2015-03-11 | 2014-12-31 | Bonadio & Co., LLP | | | |
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| 2014-03-14 | 2013-12-31 | Bonadio & Co., LLP | | Pittsford, New York | |
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| 2013-03-15 | 2012-12-31 | BDO USA, LLP | | Troy, Michigan | |
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| 2012-03-13 | 2011-12-31 | BDO USA, LLP | | Troy, Michigan | |
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| 2011-03-15 | 2010-12-31 | BDO USA, LLP | | Troy, Michigan | |
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| 2010-03-16 | 2009-12-31 | BDO Seidman, LLP | | Troy, Michigan | |
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| 2009-03-13 | 2008-12-31 | BDO Seidman, LLP | | Troy, Michigan | |
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