●  symbology.online COMPARATIVE SYNTHESIS 

Sonos Inc
Controls & Procedures analysis.

Overall, Sonos Inc. has consistently reported that its Disclosure Controls and Procedures and ICFR have remained effective throughout the analyzed period. The most significant change was a major operational pivot in 2022 involving the transition to a new ERP system, which modified certain financial processes to strengthen internal controls. Additionally, the company transitioned its independent auditor from PricewaterhouseCoopers LLP to KPMG LLP in 2025.

FY2021 → FY2025 L2 Comparitive Synthesis
●  symbology.online l2 SYNTHESIS 

Sonos Inc - Controls & Procedures analysis.

Change Report: Disclosure Controls and Internal Controls Over Financial Reporting (ICFR)

This report summarizes material changes in Sonos Inc.'s disclosure controls and ICFR environment across successive filing periods. Overall, the company has consistently reported that both its Disclosure Controls and Procedures (DCP) and ICFR are effective throughout the period analyzed.

2021-10-02:

  • Status Quo Established: Management concluded that DCP and ICFR were effective. No material weaknesses or significant deficiencies were disclosed, nor were any changes to internal controls reported.

2022-10-01 (Significant Procedural Change):

  • Systemic Pivot: The company underwent a major operational change by transitioning to a new ERP system, which became the system of record for financial reporting. This transition involved modifications to certain financial processes and key controls. Management stated that this implementation was intended to strengthen the overall internal control environment.

2023-09-30 & 2024-09-28 (Stability):

  • For both periods, there were no changes reported in the internal control over financial reporting that materially affected or were reasonably likely to affect ICFR. The controls remained effective and stable between these dates.

2025-09-27 (External Change):

  • Auditor Transition: There was a change in the independent auditor performing the assessment of ICFR, moving from PricewaterhouseCoopers LLP (used through 2024) to KPMG LLP. All control effectiveness conclusions remained unchanged.