What EY Port Jackson Partners does

EY Port Jackson Partners, now operating as EY-Parthenon Strategy following an April 2025 global rebrand, is an Australian premium strategy consulting firm founded in 1991 by former McKinsey partners Terrey Arcus and Fred Hilmer. The firm advises CEOs, boards, and senior executives of Australia's largest companies (including several ASX20 names), secretaries and deputy secretaries of federal and state government departments, and major Australian and international private equity funds. Service delivery is characterized by small Partner-led teams — typically half the size or less of peer firms — focused sharply on strategic problems rather than large-scale implementation, with project durations of 4–8 weeks providing broad cross-industry exposure for consultants.

The firm's service portfolio spans three core lines: Corporate Strategy and Strategic Transformation (corporate direction-setting, growth strategy, M&A and industry restructuring, operating model design, and digital evolution); Government Strategy (policy advice, market design, government transactions, and organisational strategy); and Deals Strategy (commercial due diligence on both buy- and sell-side transactions). Underlying technology is limited to standard data-driven analytical and idea-intensive problem-solving approaches; no proprietary software platforms, AI/ML products, or patents are disclosed. The firm maintains two Australian offices (Sydney headquarters at Level 20, 88 Phillip Street, and Melbourne at Level 38, 55 Collins Street), with access to EY-Parthenon's global network spanning more than 150 countries.

Revenue is generated exclusively through professional services — project-based consulting engagements with premium enterprise clients, billed via negotiated, quote-based fees per engagement. Pricing is not publicly disclosed and contracts are typically multi-year. Go-to-market is direct and Partner-led, relying on long-standing C-suite relationships and 35+ years of brand reputation rather than indirect channels. Since June 2020, the firm has operated as a strategic practice within EY (Ernst & Young), and in April 2025 consolidated under the unified EY-Parthenon Strategy brand while preserving its boutique culture and 'small-firm feel.'

Name

EY Port Jackson Partners

Legal name

EY-Parthenon Strategy

Website

https://eyportjacksonpartners.com

Company type

Private

Founded year

1991

Operating status

Operating

Headcount range

101–250 employees

Short description

EY-Parthenon Strategy (formerly Port Jackson Partners) is an Australian premium strategy consulting firm advising CEOs, boards, and senior executives of ASX20 companies, government departments, and major PE funds on corporate strategy, public policy, and commercial due diligence, delivered through small Partner-led teams.

Ownership category

akta.pro rank

Headquarters

HQ city

Sydney

HQ country

Australia

HQ region

Oceania

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure, Others

Revenue model

1. Strategy Consulting Services: Project-based strategy consulting engagements with CEOs, boards, and executives. The firm focuses on strategic priorities rather than implementation programs, deploying small teams led by Partners. Engagements typically last 4-8 weeks and cover corporate strategy, public policy, private equity deals, and strategic transformations.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels5 records

Core offering

EY Port Jackson Partners (now EY-Parthenon Strategy) provides Partner-led strategy consulting to CEOs, Boards, and senior executives across three service lines: Corporate Strategy and Strategic Transformation (direction setting, growth strategy, M&A and restructuring, operating model shifts), Government Strategy (policy, market design, government transactions), and Deals Strategy (commercial due diligence for PE transactions). Engagements are project-based, typically lasting 4–8 weeks, delivered by small teams led by Partners.

Product overview

EY-Parthenon Strategy is a strategy consulting firm that does not offer software products but provides professional advisory services. The firm operates three core service lines: Corporate Strategy and Strategic Transformation (covering direction setting, growth strategies, M&A/restructuring, and business transformation), Government Strategy (policy, market design, and government transactions), and Deals Strategy (commercial due diligence). Supporting these are talent programs including the Graduate Program and Spark Women's Scholarship.

Differentiator

Problem solved

Functional benefit

Products and services

• Corporate Strategy and Strategic Transformation Strategy consulting covering overall direction setting, development of growth strategies, M&A and industry restructuring moves, and business transformation architecture including operating model shifts and digital evolution, delivered to CEOs, Boards, and senior executives of large Australian and multinational companies.
• Government Strategy Strategic advice on policy, market design and incentives, government transactions, and organisational strategies for federal and state government department secretaries and deputy secretaries.
• Deals Strategy Commercial due diligence services supporting clients on both buy and sell sides of transactions, with deep engagement on deals worth billions of dollars each year for major Australian and international PE funds.

Quantifiable outcome

• Projects spanning corporate strategy, public policy, private equity deals, and strategic transformations across energy transition, healthcare, critical resources, and financial services

Named customers7 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• EY (Ernst & Young)coreStrategic or Co-development Partner · 1 June 2020In June 2020, Port Jackson Partners joined EY to support their ambition to develop top-tier strategy consulting services globally. In April 2025, the firm rebranded to EY-Parthenon Strategy as part of a global move to consolidate EY's premium C-suite offerings under one global brand. The firm maintains its unique culture and 'small firm feel' while accessing EY's global network and resources.

Scale indicators3 records

Recent moves9 records

Expansion highlights5 records

Direct peers

• Oliver Wyman Australia: Global strategy and risk consultancy with Australian offices. Overlaps with EY-Port Jackson Partners on financial services strategy, energy, and corporate advisory mandates.
• Bain & Company Australia: Global strategy firm with strong PE and corporate strategy practices in Australia. Directly comparable in serving PE funds on deals and ASX20 on strategy; competes for the same Partner-led engagements on the same client roster.
• Roland Berger Australia: European-origin global strategy consultancy with presence in Australia. Competes on corporate strategy and operational transformation mandates, particularly in industrials and resources.
• Strategy& (PwC) Australia: Big 4 strategy arm of PwC, direct competitor to EY-Parthenon Strategy. Competes on the same C-suite strategy mandates and benefits from PwC's implementation and tax capabilities.
• L.E.K. Consulting Australia: Global strategy firm with a strong Sydney/Melbourne presence and particular depth in PE due diligence. Directly comparable on deals strategy and corporate strategy for ASX-listed and PE-backed clients.
• Kearney Australia: Global management consulting firm with a Sydney presence, focused on strategy and operations. Competes for the same corporate strategy and operational transformation mandates among large Australian enterprises.
• Boston Consulting Group Australia: Top-tier global strategy consultancy with Australian offices in Sydney and Melbourne. Competes head-to-head with EY-Port Jackson Partners for ASX20 corporate strategy, transformation, and PE due diligence mandates.
• Deloitte Monitor (Australia): Big 4 strategy practice within Deloitte Australia. Competes for the same corporate strategy, M&A, and public sector advisory mandates as EY-Port Jackson Partners, with deeper implementation capacity.
• McKinsey & Company Australia: Global strategy consulting leader with a major Sydney/Melbourne presence. Directly comparable to EY-Port Jackson Partners in serving ASX20 CEOs, Boards, and government on the same strategic issues; co-founders of Port Jackson Partners were ex-McKinsey partners.

Broad incumbents

• EY-Parthenon Global: The global EY-Parthenon network, of which EY-Port Jackson Partners is the Australian arm. Sister practices in 150+ countries provide cross-border coverage; less directly comparable as a competitor than as part of the same platform.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInau.linkedin.com/company/port-jackson-partners

Revenue estimate

Valuation estimate

Number of profiles

Profiles14 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about EY Port Jackson Partners