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About

Welcome to Zweck

Zweck The reason for which something is done or created or for which something exists.

Zweck is a group of talented, passionate, responsive and experienced experts who offer professional services to business owners who are ready to live life to their full potential.

We’re not just here to manage your finances, help with recruitment or implement HSEQ requirements; we’re also here to help you build a business and a life that you love.

We cherish partnerships built on trust, mutual respect, and shared goals, with success defined by our clients’ achievements and the relationships we cultivate.

With specialist experience across a range of industries, including Construction & Property Development, Medical, and Agriculture, Zweck is your partner in the following:

// Tax Advice & Accounting Services
// CFO Advisory
// Human Resources Advice & Management
// Change Management
// Health, Safety, Environmental & Quality (HSEQ) Services

Meet the Team

Our team is comprised of some incredibly accomplished and seasoned individuals, giving our clients direct access to exceptional talent who are driven by seeing our clients succeed.

Anthony Griffiths.

Partner – Business Strategy & Investment

Anthony is a seasoned business strategy and investment consultant with a strong commitment to assisting business owners. With a track record of success in multiple building and construction companies employing over 170 individuals, Anthony brings practical expertise to provide top-notch guidance and deliver tangible outcomes for his clients. Anthony is also an active member of the Young Presidents’ Organisation (YPO).

Ryan Tarrant.

Partner – Tax & Accounting

Ryan is an experienced public practice accounting partner, Certified Practicing Accountant & Chartered Tax Adviser. Ryan prides himself on cultivating meaningful client relationships, being accessible and consistently delivering high-quality, strategic outcomes. With Ryan’s passion for out-of-the-box thinking together with his tax & asset protection specialist knowledge, he achieves results for his clients.

Lisa Phillips.

Organisational Psychology & Change Management

Lisa is a results-oriented leader whose experience across Strategic Organisational Development, Change Management and Corporate Governance has seen her successfully transform teams and businesses to be productive and profitable workplaces. Lisa is qualified Psychologist and is passionate about leadership development, relationship building and effective operational delivery.

 

Kristian Askew.

Health, Safety, Environmental & Quality (HSEQ)

Kristian is a dedicated safety professional, with a passion of making sure all go home safe. Kristian’s has a proven track record of designing and executing strategic plans to resolve operational safety concerns, reduce risk and increase cost savings. Kristian has over 18 years’ experience in health, safety, environment and quality services spending time at a large surfboard manufacturing company, mining industry and the construction industry.

 

Denica van Rooyen.

Accountant

Denica is a meticulous accountant with a keen eye for detail, known for her unwavering work ethic and commitment to helping clients succeed. With a diverse background in public practice accounting, she ensures that every aspect of her clients’ financial health is carefully managed. Working closely with Ryan, she plays a key role in driving client success through comprehensive accounting solutions and a proactive approach to problem-solving. 

Kiarna Thomas.

Senior Accountant

Kiarna is a Certified Practicing Accountant with over six years’ experience in second-tier firms, specialising in business services and taxation. She brings a practical, client-focused approach, providing clear, actionable advice while helping clients optimise their financial operations. Passionate about technology, she leverages cloud-based accounting systems to streamline processes, improve accuracy, and save clients time, combining technical expertise with a commitment to delivering real-world results.

Kirra Heath

Practice Administrator

Kirra comes with a background in professional services at EY (Ernst & Young) in Melbourne, she brings experience working with a broad range of clients, with a strong focus on streamlining processes, improving efficiencies, and delivering high-quality outcomes. In supporting Ryan, she plays a key role in the delivery of client services, enhancing accessibility and responsiveness to ensure a seamless and proactive experience. This approach underpins how we work with you, ensuring your accounting and advisory needs are handled effectively and with care.

Charlotte Wylie

Undergraduate Accountant

Charlotte is currently in her final year of a Bachelor of Commerce at Bond University (majoring in Accounting and Management), she brings a growing foundation in accounting supported by practical experience gained through an auditing internship with KPMG Gold Coast in the Enterprise division in 2025. With plans to pursue her Chartered Accountant (CA) qualification, she is committed to building on this foundation and delivering strong, detail-focused outcomes. 

    Why Choose

    the Zweck team?

    With a keen eye on fostering genuine relationships, we value partnerships where shared growth and mutual respect are paramount. If you’re an ambitious business owner aligned with our ethos, let’s unite our purposes and achieve the extraordinary together.

    Real Success

    We believe that our clients are our best advocates. Their experiences and feedback serve as a testament to the quality of our products and services.

    Ryan’s accessibility, expert advice, and unwavering support have been instrumental in the growth of our business. With Ryan by our side, we have peace of mind that we are in capable hands. We have no hesitation in recommending Ryan to any business.

    Matthew Le

    Owner, Fuku

    With the right team of professionals behind you, starting your own small business can make what seems like an impossible task and turn it into an enjoyable collaborative one of growth and learning. The rewards have been instant and I can tell they will be lasting. 

    Matt Kirby

    Director, Arcmech

    Single-handedly running a small business in construction has always commanded long hours. Joining forces with a diverse and motivated team has provided a platform for sustained growth and learning. I’m excited to see the business taking on a new lease on life. 

    Dane Karolak

    Director, Roof Ninjas

    As a small family business, growth and succession planning can be daunting. We were fortunate enough to be able to partner with Zweck at a pivotal time. This support has meant Westaway can continue to develop and grow further than we could have on our own. 

    Brodie West

    Director, Westaway

    If you value hands-on, results-driven partnership, let’s connect.

    Let’s talk about how we can take your business to the next level.