JAS is a New Zealand accounting and advisory firm with teams across Nelson, Marlborough, and Waikato. We work alongside businesses across a range of industries, providing practical advice across accounting, tax, business advisory, and more.

We are

local

WHY JAS?

Good advice starts with knowing your business.

You don’t need another accountant who only knows your numbers. You need people who understand your business, ask the right questions and can help you work through what’s next.

That’s how we work at JAS. We take the time to get to know you, then bring the right people and expertise around the table to help you make good decisions, solve problems and keep moving forward.

We do

accounting

SERVICES

From day-to-day accounting and tax through to valuations, business advice and digital solutions, our team can help with the numbers and the bigger decisions behind them.

Accounting Services

From bookkeeping and payroll to GST, compliance and financial reporting.

Corporate Advisory

Valuations, due diligence, financial modelling and support for major business decisions.

Business Advisory

Planning, forecasting, reporting and practical advice to help your business move forward.

Digital Advisory

Helping you choose, implement and get more from the systems and technology behind your business.

Tax Advisory

Specialist advice across tax planning, structuring, transactions and complex tax matters.

INDUSTRIES

We understand that every business is different.

From agribusiness and construction to medical, property, hospitality and professional services, we work with businesses across a wide range of industries.

Agribusiness & Marine

We provide strategic support across the full agribusiness cycle. Whether you’re a generational farm, a vineyard, or an ag-tech startup, we help you run smarter, plan better, and grow stronger.

Trade & Construction

Property & Development

Hospitality & Tourism

In hospitality and tourism, exceptional guest experiences come from more than excellent service; they require thoughtful financial planning and careful management behind the scenes.

Manufacturing

Whether you’re producing consumables, engineering components, or managing a warehouse operation, the success of your business depends on more than just output.

Retail

LOCATIONS

We are local

—Waikato

Local people. Real relationships.

With teams based across New Zealand, we’re close to the businesses and communities we work with. We get to know our clients, their businesses, and what’s happening around them.

And we’re hands-on. We like to meet in person, talk things through, and understand what’s really going on behind the numbers. That means we’re there for more than the accounts — we’re there when you need advice, a second opinion, or help working out what’s next.

Waikato

Nelson Tasman

Marlborough

Start with a conversation.

We work with people who want more than surface-level advice. No jargon. No fluff. Just honest conversations, practical guidance and people who genuinely understand what you're trying to achieve.

Whether you're growing a business, navigating a big decision or figuring out what comes next, we're here to help you make sense of it and move forward with confidence.

"They are prompt, efficient and give me advice that works. They have been an indispensable asset for my business."

"not only their professional expertise but also the friendly and helpful demeanour of their entire team. It's a pleasure to work with professionals who not only excel in their field but also genuinely care about the success of their clients."

Working with JAS has been a game changer for my business. From day one, they took the time to truly understand what I was trying to achieve and have helped me get there and beyond. JAS are not your typical transactional accountants, they genuinely care and check up on you. I feel like I have a team in my corner who actually cares about my success."