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About Us
Locally owned and globally connected, Andersen partners with business and families to provide accounting and business advisory grounded in sound judgement, wholehearted commitment, and consistently trusted outcomes.
At Andersen, we’re more than accountants. We’re champions for SMEs, business owners, and families, partnering with clients who are as driven as we are to achieve their potential.
We know today’s business environment moves fast. That’s why we combine world-class experience with down-to-earth Kiwi practicality — delivering advice that fits your business, your budget, and your goals.
As an industry leader in New Zealand, we are a team of professionals delivering financial advisory, business advisory, and tax consulting services from start-ups to corporate - with global resources ready to help. We’re dedicated to delivering unmatched insight, strategy, and support to drive your success.
We don’t just crunch the numbers – we provide transformative insights and future-focused, real-world strategies to help you stay competitive. Our advisory services are built on decades of experience, a deep understanding of the New Zealand market and SME landscape, and a commitment to staying ahead of industry trends. We work tirelessly to ensure our clients
have a clear vision for their business and the tools to achieve it.
With Andersen, you’ll experience a level of dedication that no other firm can match. We’re proud to be the trusted partner of choice for Kiwi businesses across New Zealand, helping them navigate complexity with confidence and ease.
Ready to grow?
Whatever stage you're in - launching, growing, or planning to exist - we're here to help you take the next step with confidence.
Explore our services
Business Advisory and IFRS
Hands-on, practical strategies that keep you in control—whether you’re scaling, stabilising, or planning for the future.
Tax Advisory
Straight-talking, smart tax solutions designed to save you time, reduce stress, and keep IRD onside.
Growth Partner Solutions
From day-to-day bookkeeping to high-level financial leadership, we give you the numbers and insights you need—without the cost of a full-time CFO.
Corporate Finance
Thinking of buying or selling? We’ll guide you from valuation to deal execution with confidence and clarity.
Governance and Strategy
We help you shape smarter decisions today and sustainable outcomes tomorrow—with governance frameworks, strategy support, and ESG advisory.
ESG and Sustainability
A forward-thinking, strategic focus on ESG and Sustainability will add significant value to your business, enhancing resilience, investor confidence, and long-term growth in today's evolving market.
Our Latest Insights
We are growing
Andersen announces the acquisition of David Han & Associates, strengthening its expertise and service offering through aligned values, expanded capability, and a shared commitment to trusted, personalised client relationships.
Crypto-focus: IRD Puts DeFi Cryptoasset Transactions Under the Tax Lens
Inland Revenue’s IRRUIP18 outlines its initial views on the New Zealand income tax treatment of DeFi transactions, signalling that wrapping, lending, staking and borrowing cryptoassets may trigger multiple taxable disposals.
2025 NZ Tax Recap for Businesses
Discover the essential tax changes for New Zealand businesses in 2025, including investment incentives, compliance updates, and upcoming Kiwisaver and FBT proposals. Prepare for 2026 with expert insights and practical reminders.
Understanding and Mitigating Business Risk in 2026
Heading into 2026 with a mix of economic caution, rising operational pressures, and fast-moving global risks? This article outlines the major challenges shaping the year ahead and explores the practical steps business owners can take to strengthen resilience, protect performance, and position for growth.