About Us
Helping your business grow & achieve its unique goals.


Stand Up to a Changing Environment
Change isn’t always comfortable, but with the right support system, it’s possible – even freeing. OpInc & Company operates in that zone, providing government agencies, SMEs, and start-ups with the support required to weather anything in the business scene.
You need custom business solutions that not only show you how to achieve your business goals but also help you create sustainable progress and quality with each of your projects or objectives. We leverage our expertise and knowledge by bringing these strategic disciplines and practices to help sustain and support the growth of your business.
What We Offer
We offer our clients a variety of affordable services: professional accounting support, ensuring that finances are up to date, and comprehensive business management services. Our goal is to help you smash your milestones.
Our Mission & Vision
We want to help your business thrive. Our custom business solutions are perfect for owners, managers, or entrepreneurs who want to tap into 50+ years of combined industry experience in retail, finance, audit and compliance, construction project controls and scheduling, supply chain and procurement, and so much more. With our services, you’ll have the insight you need to achieve your business goals.
OpInc & Company aims to stand by you in your business endeavors. We want to see you succeed and achieve, regardless of how difficult today’s (or tomorrow’s) market is.
Our Services
Professional Accounting Support
Business Management Services
Project Management Consulting
Project Control for Engineering & Construction Projects
Waste Consulting
Custom Business Solutions
Our Team

James Muthuri
Managing Partner

Peter Nkonge
Managing Partner

Nick Muthuri
Managing Partner

James Muthuri
Managing Partner
James is a passionate and experienced finance and operations specialist who has worked with solid waste management, reverse logistics, retail and start-up business, and SBEs. He’s helped shape the future for businesses in finance, data analytics, business management and operations, and more.
James, who has more than 15 years of experience, believes that the key to successful business management doesn’t lie in starting a business. Rather, it lies in creating and implementing the strategies and tools businesses need to survive in a volatile economy. His holistic approach to problem-solving and business management is what drives the middle section of the P&L, increases asset productivity, and grows real profitability.
His Certifications:
- Global Leadership (China)
- Project Management (USA)
- Lean Six Sigma (USA)
- Member: Category Management Association
- Member: National Association of Black Accountants
- Member: Institute of Management Accountants

Peter Nkong
Managing Partner – Accounting, Audit & Compliance
Peter is an experienced, highly-skilled, and people-first accounting and audit compliance expert. Peter believes that being able to build rewarding, long-lasting relationships with strategic partners is one of the best ways to create stronger, more profitable businesses. Peter always has the end-goal in mind, and is a key partner who can help businesses continuously improve, streamline, and grow.
His Certifications:
- Certified Fraud Examiner (CFE)
- Coursera: Data-Driven Decisions
- Accounting Foundations: Bookkeeping
- DAT205x Microsoft Data Analysis

Nick Muthuri
Managing Partner – Project Controls & Planning
Nick has more than 15 years of experience in helping businesses plan and schedule projects – all while protecting and managing any potential risks. He has a keen eye for detail; this helps him keep business on track for progress, develop and maintain their project controls, and lead staff and training through firm, confident supervision.
His Certifications:
- AP1000 – Advanced Pressurized Water Reactor – Nuclear (USA)
- Project Management (USA)
- FIDIC & NEC Contracts Management (South Africa)
- Project Controls Best Practices (USA)
- Six Sigma Green Belt (USA)
- Member, AACEI, the American Association of Cost Engineers International