Deloitte, teaming or working as client's Internal Audit function, to achieve a high level of performance, assisting with enhancing process efficiency, fraud detection, operational quality, internal control, and regulatory compliance. We enhance the overall value of Internal Audit functions by strengthening quality, flexibility, efficiency, and value. Additionally, Deloitte helps clients extend their Internal Audit oversight to gain greater understanding of key enterprise risks such as evolving IT systems, applications, and other technologies.


Highlights of our Internal Audit services:


Our Services:


We help organizations strengthen the effectiveness of their Internal Audit Function, including through transformational activities and strategy development. We perform independent effectiveness reviews of Internal Audit Functions, typically evaluating conformance with Institute of Internal Auditor (IIA) Standards, comparing Internal Audit’s practices against leading practices, and assessing Internal Audit’s performance relative to stakeholder needs and expectations.

We assist clients in the deployment of their Internal Audit capabilities, ranging from performing the organization’s Internal Audit activities through an outsourced model to partnering with the in-house Internal Audit function to co-source the delivery of their activities.

We help clients to perform in-depth review of their "as is" business processes to identify gaps and opportunities for improvement, and ultimately define the "to be" state to meet their business objectives.

We support SOX implementation and management for US, Japan and Korea, which are tailored to individual client needs. For private organisations planning for initial public offering ("IPO"), we perform a SOX readiness assessment for a successful SOX compliance program. For listed companies, we assist clients in optimising SOX compliance efforts to drive greater efficiency, quality, and cost savings.

We help clients to prepare for relevant IPO requirements by evaluating and assessing the adequacy of their existing internal controls and business processes.

We provide an assessment of the company's risks to identify audit areas from the overall audit universe to focus on areas that matters.

We assist organisations in implementing Control Self Assessment (“CSA”) which is an effective approach in identifying and managing risk within the organization. CSA is a framework in providing organization with an overview to manage their risks to an acceptable level. The objectives of the CSA is for staff to assess the risks and controls within their area of oversight and to assess the adequacy of controls on a regular basis.

Profiling inventory is crucial for efficient inventory management, cost control, and customer satisfaction. This will assist in keeping the right balance between having enough stock to meet demand and minimizing the costs associated with carrying excess inventory. By leveraging data and insights from inventory profiling, we can make informed decisions in optimising supply chain and inventory management processes.

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Siah Weng Yew

Controls Assurance Leader

Deloitte Southeast Asia

Cheryl Lim

Controls Assurance

Executive Director

Deloitte Singapore

Andy Wee

Controls Assurance


Deloitte Singapore