Spotlight on our Member Firm: CONCYLIUM (Ivory Coast)
25.05.2025
CONCYLIUM is a chartered accountancy firm based in Abidjan, Ivory Coast, founded by Nouho Ouattara and Nina-Sylvie Ouattara Koutouan. Registered with the Ordre des Experts-Comptables (OECCI), the firm has been serving micro-businesses, SMEs, large enterprises, and institutions across a wide range of sectors — including mining, construction, education, media, and services — since 2015.
With a multidisciplinary team of around 15 professionals, CONCYLIUM offers expertise in accounting, taxation, payroll, audit, strategic consulting, and training. The firm is particularly recognised for its costing know-how and its tailored support to the mining industry, always placing client service and proximity at the core of its mission.
CONCYLIUM is known for its precision, reliability, and its ability to transform financial data into actionable strategic decisions.
Explore the Ivory Coast Tax Chapter – Read & Listen
As part of its involvement in the Taxes in Africa publication by EAI International, CONCYLIUM proudly authors the Ivory Coast chapter, a detailed overview of the country's tax system. This chapter is a key resource for investors, legal and tax professionals, and decision-makers across the continent.
Read the chapter: click here
Listen to the podcast: click here to listen the podcast
CONCYLIUM has contributed to the publication since 2021, demonstrating a commitment to accessible, accurate, and comparable tax information.
An Active and Engaged Member of EAI
As an engaged member of EAI International, CONCYLIUM has fostered real, high-value collaborations across the network. Here are just a few examples:
• 2022: Adopted a valuation solution based on a recommendation from Ihsaan Syed-Hussain (UK, VALUTICO), reflecting the trust among EAI members.
• 2023: Partnered with Djibril Wele DIALLO (PYRAMIS, Guinea) to structure a Guinean IT subsidiary.
• 2024: Worked with Ousmane DIENG (CADG SARL, Senegal) on launching a mining subsidiary.
• 2025: Submitted a joint bid for a public tender in Côte d’Ivoire with FIDASCO INTERNATIONAL (led by Audace Sekarimunda).
These collaborations illustrate the spirit of solidarity, expertise-sharing, and mutual development that defines the EAI network.
EAI International: A Strategic Asset
Being part of EAI International provides CONCYLIUM with:
1. A trusted international network to support their clients' expansion with local partners who share the same standards of quality.
2. A bridge for inbound international clients seeking a strong, experienced local partner in Côte d’Ivoire.
This partnership empowers CONCYLIUM to combine global perspective with local execution, anticipate challenges, and provide tangible solutions to cross-border needs.
EAI International truly brings the world within reach of our expertise.