Firm news
June 15, 2026
Launch of the intensive bank accounting training session
COSI Firm is opening registrations for its new bank accounting training session. 20 hours of practical modules to master account management, cash operations and customer relations in a banking environment.
June 2, 2026
SYCEBNL support: the firm now referenced by new NGOs
Two new non-governmental organizations have entrusted us with maintaining their accounts under the SYCEBNL framework. A recognition of our expertise in the non-profit sector in Central Africa.
May 18, 2026
Free workshop: tax filing basics for small businesses
As part of our commitment to local economic development, COSI Firm is organizing a free workshop on tax filings (VAT, IRPP, CNSS) for very small businesses in Bangui.
May 5, 2026
Certificate ceremony for the office IT session graduates
12 participants received their office IT training certificate. A committed cohort, ready for the job market.
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More articles to go further
May 5, 2026
Certificate ceremony for the office IT session graduates
12 participants received their office IT training certificate. A committed cohort, ready for the job market.
May 18, 2026
Free workshop: tax filing basics for small businesses
As part of our commitment to local economic development, COSI Firm is organizing a free workshop on tax filings (VAT, IRPP, CNSS) for very small businesses in Bangui.
June 2, 2026
SYCEBNL support: the firm now referenced by new NGOs
Two new non-governmental organizations have entrusted us with maintaining their accounts under the SYCEBNL framework. A recognition of our expertise in the non-profit sector in Central Africa.
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COSI Lewa-Consulting Group regularly shares news, training sessions and field missions. Contact us with any question or to discover our services.