Hiroshi Iizuka, Founder & Managing Partner of Iizuka CPA
Hiroshi Iizuka
Founder & Managing Partner
Message from the founder

A legacy built on trust & precision.

"

When I founded Iizuka CPA in 1999, I had a simple belief: that exceptional accounting is not merely about numbers — it is about the trust that clients place in us, and the responsibility we carry to honor that trust every single day.

Over twenty-five years, we have grown from a single office in South Africa into a global network spanning twenty-eight countries, yet our founding principles remain unchanged. We deliver audit, tax, advisory, and consulting services with the same rigor, independence, and client-first mindset that defined our earliest engagements. I am proud of what our people have built — and excited for what lies ahead.

Hiroshi Iizuka · Founder & Managing Partner · Iizuka CPA
Our journey

Twenty-five years of growth & excellence.

From a single Johannesburg office to a global firm trusted by thousands — a chronology of milestones, expansion, and unbroken commitment to our founding principles.

1999
Founded in Johannesburg
2003
First int'l office — Hong Kong
2007
Expanded to Singapore & UK
2010
Middle East expansion
2014
Americas network launch
2018
Digital & ESG practice
2022
40-country global network
2024
420+ professionals
2024 Milestone: 1,100+ Clients Supported  ·  28+ Countries  ·  Strategic Network Presence  ·  25 Years of Unbroken Trust
Leadership team

Seasoned professionals driving excellence.

Our partners lead every major engagement personally. Below are the senior leaders responsible for the firm's practice areas and global operations.

HI

Hiroshi Iizuka

Founder & Managing Partner
CPA, MBA — 35+ years experience
TK

Takeshi Kimura

Head of Audit & Assurance
CPA, CISA — 28 years experience
YN

Yuki Nakamura

Head of Tax Services
CPA, LLM (Tax) — 22 years
RW

Robert Walsh

Head of Advisory & Consulting
CFA, MBA — 25 years experience
AH

Aisha Hassan

Head of Risk & Compliance
CIA, CISA, CAMS — 20 years
SK

Sato Kenji

Chief Operating Officer
CPA, MPA — 18 years experience
Our approach & core values

The principles that guide every engagement.

Six principles. Applied without exception. Across every team, every client, every day.

01

Integrity First

We hold ourselves to the highest ethical standards full stop. Our independence and objectivity are non-negotiable.

02

Client at the Centre

Every recommendation is built around your specific objectives, risk appetite, and long-term interests.

03

Technical Mastery

We invest continuously in our people's expertise, certifications, and knowledge of evolving regulations.

04

Global, Local Insight

We combine the scale of a global network with the cultural intelligence and market knowledge of a local firm.

05

Accountability

We own our work. Transparent reporting, clear deliverables, and honest communication at every stage.

06

Innovation

We embrace technology and data analytics to deliver deeper insights and more efficient audit and advisory work.

Quality, standards & compliance

Internationally accredited. Independently reviewed.

Our quality is independently verified, our standards exceed regulation, and our people continuously improve.

🏅

ISA Compliant Audits

All audit engagements conducted under International Standards on Auditing (ISA) issued by the IAASB.

📋

IFRS & Local GAAP

Full competency in IFRS, US GAAP, UK GAAP, and 20+ local accounting frameworks worldwide.

AU

Independent Quality Review

Annual external quality reviews by independent regulatory bodies in each jurisdiction we operate in.

RC

Professional Indemnity

Comprehensive professional indemnity insurance coverage across all global offices and engagement types.

🎓

CPD & Continuing Education

Mandatory continuing professional development for all qualified staff — minimum 40 hours annually.

WB

IESBA Ethics Code

Full adherence to the International Ethics Standards Board for Accountants (IESBA) Code of Ethics.

Our global network

A network across six continents.

Strategic hubs in the world's leading financial centres supported by affiliate partnerships across 40+ countries for seamless cross-border service. Reach the team nearest you directly.

17
Offices worldwide
6
Continents covered
40+
Countries served
1999
Est. Johannesburg

Partner with a firm built on trust.

Whether you need audit assurance, tax planning, or strategic advisory, we are ready to support your organisation worldwide.

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