Our Mission

We began our accounting business out of a recognition of the significant challenges faced by small business owners. Many entrepreneurs feel overwhelmed by their finances, struggle to grasp their numbers, and often lack the vital support necessary for growth. Our mission is to change this narrative.

With Anville & Matthew’s qualifications as a Chartered Accountants and Bianca’s background in bookkeeping and business operations, we are uniquely positioned to deliver not just technical proficiency, but also the clarity, confidence, and care that our clients deserve.

We are passionate about:

  • Helping small businesses establish robust financial foundations.

  • Providing personalised, approachable support that ensures our clients feel acknowledged.

  • Utilising our skills to foster peace of mind for others.

Above all, our goal was to create a venture reflective of our core values: honesty, stewardship, and integrity. Olive Tree Advisory embodies this vision—one business at a time.

Our Identity

Straight from Timaru, New Zealand Anville (along with Matthew) bring their expertise as Chartered Accountants to lead a boutique accounting firm dedicated to empowering business owners. With a deep understanding of the unique challenges entrepreneurs face, Olive Tree Advisory offers the core accounting services that businesses need most—delivered with precision, care, and clarity. Our commitment to personalised service and innovative practices positions us as trusted partners in your journey toward financial success.

We proudly serve clients across both South Africa and New Zealand, with insight into the distinct economic environments and regulatory frameworks of each region. Our collaborative approach ensures that every client receives tailored support, expert advice, and unwavering attention to detail.

Our mission is to bring peace of mind. At Olive Tree Advisory, peace of mind means:

  • Knowing your compliance obligations are fully managed

  • Receiving timely, accurate monthly financial reports

  • Clearly understanding your business’s current financial position

  • Having a strategic plan in place for future growth

Let us handle the numbers, so you can focus on what you do best—growing your business.

Meet the Team

  • A person with short hair, glasses, braces, and a white button-up shirt smiling in front of a plain, textured wall.

    Anville Williams

    Chartered Accountant

  • Portrait of a young man with dark hair smiling, wearing a light-colored button-up shirt, against a black background.

    Matthew Williams

    Chartered Accountant

  • Young woman with long light brown hair smiling outdoors with blurred trees and blue sky in the background.

    Bianca-Joie Williams

    Accountant