Audit & Assurance
Financial statement audits, special purpose audits, agreed-upon procedures, special investigations, due diligence, internal audit and audit readiness.
ACCOUNTING · AUDIT · TAX · ADVISORY
Local knowledge.
Commercial thinking.
A Papua New Guinean professional firm providing accounting, audit, tax and business advisory services in both English and Chinese, helping local and international clients do business with confidence.
WACPAPUA NEW GUINEA
WAU ACCOUNTANTS & BUSINESS CONSULTANTS
A trusted professional adviser for doing business in PNG.
Wau Accountants & Business Consultants (WABC) is a registered chartered auditing and accounting firm. The firm commenced operations on 4 August 2014 and has professional experience across Papua New Guinea, Australia, the United Arab Emirates, Solomon Islands, Fiji and New Caledonia.
Our team brings cumulative professional experience of more than 100 years across audit, accounting, tax, internal audit, risk consulting and IPA registration-related services. We work with private businesses, government departments, authorities, commissions, state-owned enterprises and development partners.
OUR VISION
To be the go-to accounting firm known for excellence, quality, integrity and client satisfaction.
We aim to continually innovate and adapt to evolving client needs, using technology and industry best practice to deliver practical financial solutions.
OUR MISSION
Accurate advice. Reliable service. Practical solutions.
We provide accurate, reliable and comprehensive accounting, taxation and auditing services while maintaining high standards of integrity, professionalism and ethics.
WHAT WE DO
A full range of professional services.
From setting up a business in PNG to audit, tax compliance and transaction support, our services are designed around the practical needs of our clients.
Taxation
Income tax, business returns, GST, salaries & wages tax, training levy, tax advisory and liaison with the Internal Revenue Commission.
Accounting & Business Services
Financial statements, general ledger reconciliation, management accounts, contracted accounting, accounting systems and staff training.
Business Set-up in PNG
Company formation, IPA and IRC registration, structuring, governance frameworks, accounting systems and start-up support.
Foreign Investment
Practical assistance for overseas investors, including investment structuring, regulatory compliance, exchange control, work permits and business establishment.
Internal Audit & Risk
Governance, risk management, internal controls, fraud control, procurement and probity, special project reviews and compliance reviews.
Government & SOE Services
Tailored services for government departments, authorities and state-owned entities, including public finance, procurement and regulatory compliance reviews.
Visa & Work Permit Support
Administrative assistance with visa and work permit applications and renewals for businesses bringing specialist personnel into PNG.
Other Advisory Services
Budget and cash-flow forecasting, financial modelling support, company secretarial services, landowner support and directors' training.
INDUSTRY EXPERIENCE
Experience across PNG's public and private sectors.
Our experience spans a broad range of organisations and industries, including government, SOEs, development partners and major resource projects.
Private SectorRetail & banking · Oil & gas · Insurance · Manufacturing · Agriculture · Mining
Public SectorGovernment departments · Authorities · Commissions · National judiciary · Public services
Development PartnersEU-funded projects · AusAID · World Bank · Pacific regional organisations
Energy & ResourcesLNG and oil & gas projects · Mining · Joint ventures · Project and cost audits
OUR PEOPLE
Experienced professionals, close to the work.
Our senior professionals bring extensive experience in PNG and international engagements.
PARTNER
John Wau
Audit, assurance, advisory, accounting & tax
John has over 24 years' experience across PNG, Australia, Solomon Islands, Fiji and New Caledonia. He was previously a Partner with Deloitte and became the first national audit partner in the Deloitte PNG office. His experience includes private sector, government, SOE and development-partner engagements, as well as due diligence, special investigations and agreed-upon procedures.
Private Sector: Retail and banking (SP Brewery and BSP); oil and gas (Oil Search Ltd); insurance (Marsh Insurance); manufacturing (Globe Manufacturing Ltd); and agriculture (Hargy Oil Palm, WR Carpenters Estates, Coconut Products Ltd and Kongo Coffee).
Public Sector: Department of Health, Department of Works, Department of Justice and Attorney General, National Judiciary Staff Services and National Statistical Office.
Non-Government Organisations: European Union-funded projects (Stabex Funds) in PNG and Solomon Islands; the Secretariat of the Pacific Community (SPC) in Nouméa; and AusAID- and World Bank-funded projects.
Incoming Tax Partner
PARTNER
Gai Zhou
Audit & assurance
Gai has 22 years of audit and accounting experience in China, Australia and Papua New Guinea, with extensive exposure to the mining, oil and gas, and energy sectors and a deep understanding of both Chinese and Australian business cultures. He is recognised for his technical excellence, client relationship management skills and leadership of finance teams. He has a proven track record in IFRS and US GAAP reporting, ERP implementation, joint venture finance and cross-border advisory. His past clients include Yancoal Australia, Ansteel Australia, APLNG, Arrow Energy, Papua LNG and Ramu Nico. Before joining Wau Accountants, he worked as an Audit Director with Deloitte in Papua New Guinea and Australia.
2014Operations commenced
100+Cumulative professional experience
6Countries of professional experience
PNGLocal market focus
PNG BUSINESS INSIGHTS
Practical perspectives for doing business in PNG.
PNG Income Tax Reform
Income Tax Act 1959 vs Income Tax Act 2025: key changes, business implications and action points. Research draft, 18 October 2026.
View PDF ↗Download PDF ↓Setting up a business in PNG
A practical view of entity establishment, tax registration and ongoing compliance.
View PDF ↗Download PDF ↓IFRS Accounting Standards Update
2026 reporting priorities, upcoming IFRS changes and practical actions for finance teams.
View PDF ↗Download PDF ↓OUR KEY PRINCIPLES
Integrity, quality and client trust are the backbone of our work.
Ethical conductCompliance with the law
Professional qualityCommitment to excellence
Efficient serviceClient confidentiality
REACH OUT
Let’s grow your business better.
Talk to us about your accounting, tax, audit or business needs in Papua New Guinea.
gzhou@wauaccountants.com
jwau@wauaccountants.com
+675 7395 2318
Suite G1, Copytek Building
Kennedy Road, Gordons
P.O. Box 4171 Boroko, NCD
Papua New Guinea
SELECTED EXPERIENCE
Practical experience where PNG business gets complex.
01Energy & resources — audit and accounting assignments
02Government & SOEs — governance, controls and compliance
03Foreign investors — establishment, tax and regulatory support
CAREERS AT WABC
Build your professional career in Papua New Guinea.
We are building a professional team that values technical quality, practical thinking, integrity and long-term relationships with clients.
Send a career enquiry →01Professional development
02Exposure to diverse PNG industries
03Partner-led client work
04A practical, entrepreneurial culture
START A CONVERSATION
Tell us what you are working on.
For enquiries, proposals or a discussion about your PNG business, send us a message.