Arithmet Professional Services delivers trusted accounting, taxation, internal control and management advisory to discerning enterprises across Nigeria — backed by decades of disciplined practice and ICAN-aligned expertise.
Years of Practice
Enterprise Clients
Aligned Curriculum
Client Retention
We deliver tailored services that address the unique challenges of modern businesses, helping you achieve financial clarity and sustainable growth.
Comprehensive accounting solutions including bookkeeping, financial reporting, and audit preparation.
Establish robust internal controls to safeguard assets and ensure regulatory compliance.
Strategic tax planning and compliance services to optimize your tax position.
Industry-leading courses in accounting, finance, and business management.
Strategic consulting to drive growth and operational excellence.
CAC registration, trademark protection, and expert licensing support.
Founded in 2010, Arithmet Professional Services has grown to become one of Nigeria’s leading accounting and business advisory firms. We combine deep industry expertise with innovative solutions to help enterprises navigate complex financial landscapes.
Our team of certified professionals brings decades of combined experience across various sectors, ensuring that every client receives personalized attention and strategic guidance tailored to their unique needs.
Excellence in Service
100% Client Success
50+ Professionals
Sustainable Solutions
Advance your career with our industry-recognized courses designed by leading professionals in accounting, tax, and business management.
We’re proud to serve over 500 clients across diverse industries




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Let’s discuss how Arithmet can help you achieve financial excellence and sustainable growth. Schedule a free consultation today.