Mpumi has specialised in the public sector industry where she has conducted investigations relating to various allegations for government departments, provincial government departments, municipalities and public entities, which includes:

Forensic Investigations
She has expertise in uncovering fraud, corruption, procurement irregularities, bribery, and money laundering across public and private sectors.

Public Sector Governance
She has extensive experience conducting investigations for government departments, municipalities, and parastatals, ensuring compliance with PFMA, MFMA, and SCM regulations.

Procurement & Tender Irregularities
She is skilled in identifying bid manipulation, conflict of interest, and irregular awarding of contracts.

Conflict of Interest Investigation
She investigated a case where a Bid Evaluation Committee (BEC) member failed to declare a business relationship between their spouse and a bidder, ensuring compliance with procurement regulations.

Employee Verification Exercise
She conducted a comprehensive employee verification process to identify irregularities and strengthen employee code of conduct.

Fleet Management Investigation
She investigated irregularities in fleet management and vehicle acquisition, uncovering governance and compliance breaches.

Whistle-blower Allegations
She conducted an investigation into allegations of an executive influencing BEC members to favour non-compliant bidders, including manipulation of recommendations outside BAC and BEC processes and repeated appointments of the same service providers.

Material Irregularity (MI) Investigation
Mpumi led an investigation into the Auditor-General MI findings at a parastatal where she identified officials who were responsible for breaches, quantified financial losses, and made recommendations for remedial actions.

Extortion Allegations
She investigated allegations of employees extorting money from service providers in exchange for fast-tracking payments, ensuring accountability and ethical conduct.

Collaboration with DPCI.
Assisted the Directorate for Priority Crime Investigation (Hawks) in a criminal investigation into procurement fraud at a local municipality in Mpumalanga.

She has performed various investigations into fraud and corruption as well as contraventions of:

• Public Finance Management Act;
• Treasury Regulations;
• Municipal Finance Management Act;
• Municipal Supply Chain Management Regulations;
• Municipal Systems Act;
• Supply Chain Practice Notes;
• Prevention and Combatting of Corrupt Activities Act;
• Public Service Act;
• Public Service Regulations;
• The Code of Conduct for Public Service; and
• Client specific Supply Chain Management policies and procedures.