CIMA – BBK Partnership

Chartered Institute of Management Accountants (CIMA)

Mathumai Manivannan joined BBK Chartered Accountants in 2018 and is a fully qualified Chartered Management Accountant, holding the prestigious ACMA (UK) and CGMA qualifications. With more than Eight years of valuable experience in the accounting profession, she has worked with a diverse range of clients, primarily small and medium-sized enterprises (SMEs), across various industries.

Her core responsibilities include the preparation of statutory accounts, bookkeeping, VAT compliance, management accounts, personal and corporate tax compliance, and providing comprehensive accounting support to clients. She also manages a portfolio of UK and international clients, ensuring compliance with accounting and tax regulations while maintaining strong professional relationships.

Throughout her career, Mathumai has developed extensive expertise in cloud accounting software and financial reporting, helping businesses streamline their financial processes and meet their regulatory obligations efficiently. Outside of her professional commitments, Mathumai enjoys continuous learning and professional development. She is currently pursuing an MBA and has a keen interest in emerging technologies, particularly the impact of artificial intelligence on the accounting profession. She also values spending quality time with her family and children.

Mathumai Manivannan

Senior Accounting Associate

Sathiyanesan is a highly accomplished finance professional with nearly 11 years of extensive experience in financial reporting, financial modelling, management accounting, taxation, and audit. He brings a strong blend of technical expertise and international exposure to deliver accurate, insightful, and value-driven financial solutions.

He is a fully qualified Chartered Management Accountant, having completed the Chartered Institute of Management Accountants (CIMA) qualification in 2017 and becoming an Associate Member in 2021. He further strengthened his global credentials by becoming an Associate Member of Certified Practising Accountant, Australia (CPA Australia) in 2024. He possesses extensive accounting experience both in local and international markets, with audit exposure across diverse industries, including both private and public sector organisations, as well as leading brands in Sri Lanka.

Sathiyanesan joined the BBK family through one of its sister companies in 2020 and became part of the BBK partnership in 2025. Throughout his tenure with BBK, he has managed accounting portfolios across the UK, Malta, and UAE markets while also serving as Company Secretary for BBK clients in Sri Lanka. Technologically adept, Sathiyanesan is highly proficient in an extensive suite of accounting software and ERP systems, including Sage, QuickBooks, Xero, Microsoft Dynamics 365, IRIS, TaxCalc, AS400, and SAP, backed by a Diploma in Computer Hardware Engineering. A natural leader since his school days, where he served as Deputy Head Prefect, he is passionate about continuous learning, driving innovative ideas, and delivering high-value solutions within dynamic corporate environments.