---
schema_version: "secwatch.filing_event.v1"
accession: "0000746838-23-000011"
form_type: "8-K"
ticker: "UIS"
cik: "0000746838"
company_name: "UNISYS CORP"
filed_at: "2023-03-22T23:59:59+00:00"
generated_at: "2026-06-17T21:51:17.637411+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Unisys dismisses PwC, engages Grant Thornton as auditor for FY2023

## Summary
- Audit Committee dismissed PwC as independent auditor on March 17, 2023; no disagreements on accounting principles.
- PwC's reports for 2021 and 2022 were unqualified, but material weaknesses in internal control over financial reporting were disclosed.
- Grant Thornton LLP engaged as new independent registered public accounting firm for fiscal year ending December 31, 2023.
- No prior consultations with Grant Thornton regarding accounting principles or reportable events during the past two years.
- PwC letter dated March 22, 2023 furnished as Exhibit 16, agreeing with company's statements.

## SEC filing metadata
- accession: 0000746838-23-000011
- form_type: 8-K
- ticker: UIS
- cik: 0000746838
- company_name: UNISYS CORP
- filed_at: 2023-03-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/746838/000074683823000011/0000746838-23-000011-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/746838/000074683823000011/uis-20230317.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000746838-23-000011
- JSON: https://secwatch.observer/filing/0000746838-23-000011.json
- Plain text: https://secwatch.observer/filing/0000746838-23-000011.txt

## Key facts
- Auditor Changes
  UNISYS CORP engaged Grant Thornton LLP as its auditor.
  - Action: engagement
  - Auditor: Grant Thornton LLP
  source text: (b) Newly Engaged Independent Registered Public Accounting Firm On March 17, 2023, the Audit Committee made the decision to engage Grant Thornton LLP (“Grant Thornton") as the Company's independent registered public accounting firm, effective immediately, to perform independent audit services for the fiscal year ending December 31, 2023, subject to completion of Grant Thornton's standard client acceptance procedures and execution of an engagement letter. During the fiscal years ended December 31, 2022 or 2021, and from January 1, 2023 through March 17, 2023, neither the Company nor anyone on its behalf consulted Grant Thornton regarding either (i) the application of accounting principles to a specified transaction, either completed or proposed, or the type of audit opinion that might be rendered with respect to the consolidated financial statements of the Company, and no written report o
  evidence_url: https://www.sec.gov/Archives/edgar/data/746838/000074683823000011/0000746838-23-000011-index.htm
- Auditor Changes
  UNISYS CORP dismissed PricewaterhouseCoopers LLP as its auditor.
  - Action: dismissal
  - Auditor: PricewaterhouseCoopers LLP
  - Successor: Grant Thornton LLP
  source text: The Audit Committee made the decision to change the Company’s independent registered public accounting firm and the Company dismissed PwC as its independent registered public accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/746838/000074683823000011/0000746838-23-000011-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.