Meet ArCh & Tahnia
Your Dedicated Port Vila based Finance, Accounting & Business Advisors

Helping government businesses and MSMEs make confident financial decisions, backed by 25+ years of finance leadership — with a focus on long-term value, clarity, and trust.

What to Know What's Possible

Our Story

25+ years. Five continents of finance leadership. One mission: bringing world-class financial assurance to the Pacific.

Arunabh Choudhary (ArCh) is a Chartered Accountant (CA ANZ), holding an MBA from the Australian National University and a Postgraduate Diploma in Financial Management from the University of New England. His career spans Ernst & Young, the Australian Departments of Defence, Foreign Affairs and Trade, and Home Affairs, the Australian Submarine Agency, and Hewlett Packard Australia — the work that matters, in the places that count.

Certified in SAP FICO, IBM Cognos TM1, and ACEIT Advanced Cost Modelling, he brings international-standard financial assurance, audit, and public financial management expertise to the Pacific.

20+ years. Owner of the hugely successful Pacific Training Solutions. One mission: bringing world-class strategic and commercial expertise to the Pacific.

Tahnia Cook is a business strategist, executive consultant, and entrepreneur whose career covers corporate strategy, business transformation, financial management, governance, and leadership across the Pacific region. As founder of multiple successful businesses, her work spans government agencies, development organisations, and corporate boardrooms.

Trusted by senior executives, investors, and government stakeholders, she brings practical execution, commercial insight, and measurable outcomes to organisations seeking sustainable growth, stronger governance, and lasting business success throughout the Pacific.

A Partnership Built on Trust
and Long-Term Vision

At PACS, we believe in transparency, accountability, and empowering you with the knowledge to make confident financial decisions. Our approach centres on understanding your unique situation first, then building strategies that truly align with your organisational goals.

Core Values

Deep Collaboration

I work side by side with you, fostering open communication and shared accountability to ensure strategies translate into real, lasting impact.

Expertise

With over decades of experience in financial services, we bring deep financial and accounting knowledge and strategic insight to every client relationship.

Tailored Solutions

No two clients are alike. Every strategy is built around your unique goals, risk tolerance, and organisational circumstances.

PACS

© 2026 Pacific Assurance & Consultancy Services. All rights reserved.

Let's transform your financial vision into results.

Contact

Email

info@pacs-pacific.com

Location

Port Vila, Vanuatu

Phone

+678 593 6610