Oscar Nthiga

Commercially minded Financial Operations Expert with 7+ years of experience in auditing, accounting, and ERP-driven finance within the technology distribution sector across East Africa. Expert in SAP Business One, revenue recognition, margin and rebate management, inventory optimization, and working capital control. Proven business partner to sales and supply chain teams, driving profitability through data-led decision-making, internal controls, and process improvements.

Experienced in multi-entity reporting, statutory compliance, and audit leadership, with a track record of translating financial insights into sustainable regional growth.

Senior Accountant at Tech First Group Kenya Limited (2023-01 – Present)

• Oversee end-to-end financial operations, ensuring accuracy, integrity, and timeliness of accounting records in line with IFRS and local statutory requirements.
• Manage month-end and year-end close processes, ensuring disciplined reconciliations, provisions, and variance analysis.
• Enforce financial policies, approval matrices, and segregation of duties to strengthen governance and audit readiness.
• Lead internal and external audits, acting as the primary liaison with auditors and regulators, and drive timely resolution of audit findings.
• Monitor and control operating expenses, accruals, and cost allocations to ensure accurate reporting and budget adherence.
• Oversee balance sheet integrity, including bank, AR, AP, inventory, and intercompany reconciliations.
• Ensure compliance with tax, statutory, and regulatory requirements across East Africa, including timely filings and payments.
• Drive continuous improvement of financial processes, controls, and reporting through automation and ERP optimization (SAP Business One).
• Partner with operational leadership to embed financial discipline and control awareness across the organization.

Audit Senior at Thama and Associates (2022-01 – 2023-12)

• Led audits and financial reviews, ensuring compliance with IFRS, GAAP, and local statutory requirements across multiple clients and entities.
• Supervised and mentored junior audit staff, enhancing accuracy, compliance, and efficiency of audit processes.
• Evaluated internal controls, financial statements, and operational processes, identifying risks and recommending improvements.
• Prepared clear audit reports with actionable recommendations for management, supporting strategic and operational decision-making.
• Liaised with stakeholders to resolve queries and provide guidance on accounting, compliance, and governance.
• Supported audit planning, risk assessment, and process improvement initiatives, laying the foundation for strong financial operations management.

Senior Associate Auditor at Ernest and Martin Associates (2018-01 – 2022-12)

• Led audits and financial reviews, ensuring compliance with IFRS, GAAP, and statutory requirements.
• Supervised and coached junior staff, ensuring accuracy, compliance, and efficiency in audit processes.
• Evaluated internal controls, financial statements, and operational processes, identifying risks and improvement opportunities.
• Prepared actionable audit reports for management decision-making and strategic planning.
• Liaised with stakeholders to resolve accounting, compliance, and governance issues.
• Supported audit planning, risk assessment, and process improvement initiatives, building a foundation for strong financial operations management.

Bachelor of Commerce in Accounting – Jomo Kenyatta University of Agriculture and Technology (2018)

Certified Public Accountants – Kenya in Accounting – Strathmore University