Optimising Strategy │ Integrating Compliance │Leading Growth
At OptiNexus, we help individuals and businesses optimise their operations, stay compliant, and lead with clarity. Whether you’re filing your first tax return or scaling a growing business, our integrated services are built for where you are — and where you’re going
What We Do
Tax Services
We take the complexity out of tax. Whether you’re an individual needing help with your annual return, a company managing VAT and PAYE, or a startup registering for turnover tax, we ensure you’re compliant, optimised, and never caught off guard by SARS. Our services include tax returns, provisional tax, dispute resolution, and advisory on tax-efficient business structures.
Accounting Services
Stay financially organised with our full-spectrum accounting support. From monthly bookkeeping and payroll processing to the preparation of management accounts and annual financial statements, we help you understand your numbers and stay on top of your obligations — so you can focus on running your business.
Business Consulting
Build a better business with strategic, financial, and operational support. We help you evaluate your structure, plan for growth, assess financial health, and prepare for funding or expansion. Whether you’re launching, scaling, or pivoting, we provide objective insights and tailored guidance to support sustainable success.
Regulatory Compliance
We help you stay on the right side of the law. Our compliance services include CIPC filings, shareholder and director updates, UIF and PAYE registrations, COIDA and POPIA compliance, and annual returns. We simplify the paperwork so you can focus on what matters — running your business.
Risk Management
Manage your business risks with confidence. Our services cover internal control evaluations, fraud risk assessments, and governance consulting to ensure you’re not just compliant — you’re protected. We work with SMEs to identify vulnerabilities and strengthen processes before they become problems.
HR Advisory
Support your people with compliant, practical HR solutions. From employment contracts and workplace policies to leave management systems and restructuring advice, we help employers stay compliant while building productive, fair work environments. We also guide change management processes during growth or downsizing.
About OptiNexus
Our mission is to simplify compliance, optimise business operations, and drive financial efficiency for our clients.
OptiNexus is led by Claudia Frost, a Chartered Business Accountant – Practice (CBAP), Tax Practitioner (TT(SA)), and MBA graduate (Open). She is a registered member of both the Chartered Institute of Business Accountants (CIBA) and the South African Institute of Taxation (SAIT).
With extensive experience in strategic planning, financial management, and regulatory compliance, Claudia brings a depth of expertise and insight to every engagement. OptiNexus provides precision-driven, practical solutions tailored to individuals, SMEs, and growing businesses across South Africa — helping clients stay compliant, operate efficiently, and lead with confidence.
Working with OptiNexus has brought structure, clarity, and peace of mind to our financial and compliance processes. Claudia’s expertise in accounting, tax, and regulatory requirements — especially within a medical practice setting — has been invaluable. She understands the nuances of our business and delivers with both professionalism and care. We now feel more confident in our strategic decisions, knowing our practice is in capable hands