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Audits. Value-added assessments.

Auditing is an integral part of our corporate governance. Both internal and external auditors are used to provide independent assessments of our operations and internal controls.

Internal Audit

Our Internal Audit function comprises a team of around 400 professionals, substantially all of whom are directly involved in auditing activities. The Head of Internal Audit reports directly to the Audit Committee Chair and the Audit Committee directs and oversees the activities of the Internal Audit function.

Internal Audit performs an independent and objective assurance function that is designed to add value to our operations. Using a systematic and disciplined approach, the Internal Audit team evaluates and enhances the effectiveness of our risk management, control and governance processes.

Internal Audit is responsible for carrying out periodic audits in line with the Internal Audit Charter (PDF), which is approved by the Audit Committee and available publicly. It regularly and independently assesses the risk exposure of our various business activities, taking into account industry trends, strategic and organizational decisions, best practice and regulatory matters. Based on the results of its assessment, Internal Audit develops detailed annual audit objectives, defining key risk themes and specifying resource requirements for approval by the Audit Committee.

As part of its efforts to achieve best practice, Internal Audit regularly benchmarks its methods and tools against those of its peers. In addition, it submits periodic internal reports and summaries thereof to the management teams as well as the Chairman and the Audit Committee Chair. The Head of Internal Audit reports to the Audit Committee at least quarterly and more frequently as appropriate. Internal Audit coordinates its operations with the activities of the external auditor for maximum effect.

The Audit Committee annually assesses the performance and effectiveness of the Internal Audit function. For 2019, the Audit Committee concluded that the Internal Audit function was effective and independent, with the appropriate resources to deliver against the Internal Audit Charter (PDF).

External Audit

External audit forms an integral part of the Group’s corporate governance framework and plays a key role by providing an independent assessment of our operations and internal controls. The Group retains a single global audit firm as its principal external auditor to perform both the statutory (financial) audit and the regulatory audit work mandated by FINMA. The AGM elects the statutory auditor annually, while the Board is responsible for the appointment of the regulatory auditor. Our principal external auditor is PricewaterhouseCoopers AG, Zurich, Switzerland. The mandate was first given to PwC for the fiscal year ending December 31, 2020. The Group is not subject to mandatory external audit firm rotation requirements; however, the lead audit partners are subject to periodic rotation requirements. Audit partner rotation is key to ensuring the highest level of audit quality.

For the 2020 AGM, the Board had proposed PwC for election as the new statutory auditor, effective for the fiscal year ending December 31, 2020 and had also appointed PwC as the new regulatory auditor. PwC therefore replaced KPMG as the Group’s principal external auditor, effective for the fiscal year ending December 31, 2020.

In addition, we have mandated BDO AG, Fabrikstrasse 50, 8031 Zurich, Switzerland, as special auditor for the purposes of issuing the legally required report for capital increases in accordance with Article 652f of the Swiss Code of Obligations, mainly relating to the valuation of companies in consideration of the qualified capital increases involving contributions in kind. BDO AG did not provide any such services in 2019 and 2018.

The Audit Committee is responsible for the oversight of the external auditor. The external auditor reports directly to the Audit Committee and the Board with respect to its audit of the Group’s financial statements and is ultimately accountable to the shareholders. The Audit Committee pre-approves the retention of, and fees paid to, the external auditor for all audit and non-audit services.


External auditor rotation

PwC was appointed as the new statutory auditor for the fiscal year ending December 31, 2020, subject to shareholder approval at the AGM in April 2020. PwC’s appointment as FINMA regulatory auditor by the Board, effective for the fiscal year ending December 31, 2020, was conditional upon shareholder approval of PwC as statutory auditor. PwC replaced KPMG as the Group’s principal external auditor, effective for the fiscal year ending December 31, 2020.

Corresponding measures were undertaken by the Audit Committee to ensure an orderly and effective transition of external auditor responsibilities. The Audit Committee reviewed the processes followed to ensure PwC’s independence, according to applicable external auditor independence standards, and extended the scope of its policy on non-audit service restrictions to PwC. The Audit Committee accepted PwC’s formal independence confirmation letter in July 2019.

Audit Committee pre-approval policy

The Audit Committee monitors and pre-approves the fees to be paid to the principal external auditor for its services. It has developed and approved a policy on the engagement of public accounting firms that is designed to help ensure that the independence of the external auditor is maintained at all times.

The policy limits the scope of services that the principal external auditor may provide to us or any of our subsidiaries in connection with its audit and stipulates certain permissible types of non-audit services, including audit-related services and tax services that have been pre-approved by the Audit Committee. The principal external auditor is required to report periodically to the Audit Committee about the scope of the services it has provided and the fees for the services it has performed to date. The principal external auditor also provides a report as to its independence to the Audit Committee at least once a year. In accordance with our pre-approval policy and as in prior years, all non-audit services provided in 2019 were pre-approved.

The principal external auditor attends all meetings of the Audit Committee and reports on the findings of its audit and/or interim review work. The Audit Committee reviews the principal external auditor’s audit plan on an annual basis and evaluates the performance of the principal external auditor and its senior representatives in fulfilling their responsibilities. Moreover, the Audit Committee recommends to the Board the appointment or replacement of the principal external auditor, subject to shareholder approval as required by Swiss law.