Paule Diane HIMSTAManaging directorLeading the firm since 2013
The firm
Thirty years alongside Cameroonian entrepreneurs
An accounting, audit and advisory firm approved by the Minister of Finance, providing accounting, tax and management support to small and medium businesses.
Our story
From an insight to an approved centre
1994
The firm is founded
Gabriel NGASSE, a former Total Cameroun manager, sets up the practice to help service station operators keep their books.
2000
Opening up to small business
Seeing how lost small entrepreneurs were, the firm becomes a genuine partner to small and medium businesses.
2013
New general management
Paule Diane HIMSTA takes the helm: a younger team, a new approach to client relationships, a broader portfolio.
2020
Ministry of Finance approval
Order no. 00000048 of 28 January 2020: the firm becomes an approved management centre.
2026
Over 500 entrepreneurs supported
Douala, and an online platform to send documents and follow your file.
Our team
Paule Diane HIMSTAManaging directorLeading the firm since 2013 
Rodrigue BIYA'AReviewerQuality control and filing of returns
Charles ATANGANATax specialistTax referential and compliance rules
Aïcha MBALLAClient managerMember portfolio and client relations
Estelle FOTSOFormalities officerCompany formations and the one-stop shop
Serge NKOULOUAccountantBookkeeping and returns
A named contact for every file
Chief Executive
Mrs Paule-Diane Himsta
She heads CGA Broad Range Consulting Group. A chartered accountant and management adviser, she has spent more than fifteen years supporting Cameroonian business owners through incorporation, bookkeeping and tax compliance. She is the person who commits the firm before the tax authorities and its members.
Learn morePaule Diane HIMSTAManaging directorLeading the firm since 2013Rodrigue BIYA'AReviewerQuality control and filing of returnsCharles ATANGANATax specialistTax referential and compliance rulesAïcha MBALLAClient managerMember portfolio and client relationsEstelle FOTSOFormalities officerCompany formations and the one-stop shopSerge NKOULOUAccountantBookkeeping and returnsFind us
Where to meet us
Douala
Akwa · P.O. Box 7761
Firm office · call +237 233 42 48 47
Yaoundé
Elig-Essono
Exact address to be confirmed by the firm
Bafoussam
Haoussa district
Exact address to be confirmed by the firm
Our partners
Those we work with
Lawyers
Drafting of deeds, commercial and tax litigation
Notaries
Notarised articles, share transfers, commercial leases
Chartered accountants
Statutory audit and assurance engagements
Banks
Account opening, capital deposit, funding searches
Where needed, our partner lawyers, notaries and chartered accountants are at your disposal. Call us for an introduction.