Brand profile · Business Consulting

IAG

Melbourne, Victoria-based IAG operates in Business Consulting. Ownership is privately held; it publishes at iagadvisory.com.au. It holds three addresses on record, all in Australia. The record counts 246 people. Tagged commercial advisory, strategic advice and stakeholder engagement. It is listed alongside eight similar brands, mostly in Business Consulting.

Profile live Privately Held 1 office country

Key facts

Counted staff
246
self-reported 201–500 band
Office countries
1
3 addresses
Company type
Privately Held
self-reported
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Description

IAG is Australasia’s most trusted transaction, commercial, strategic advisory, delivery and technical services firm.

We have assisted clients to successfully plan, transact and deliver more than $200 billion of projects across Australia and internationally. This combined experience ensures our team of specialist advisors effectively navigate complex governance frameworks, challenging stakeholders, multifaceted technical environments and regulatory intricacies to deliver value for money outcomes.

We bring a flexible, scalable team with unmatched professional diversity – a national pool of approximately 250 advisors with diverse backgrounds in law, commerce, engineering, defence, construction, environmental management and stakeholder engagement.

We drive certainty of success from early stage project strategy, formation and planning right through to operational delivery. By supporting stakeholders and leading project teams through the breadth of governance, commercial, technical, environmental and social domains, we help our clients transform political intention into real-world outcomes.

Specialties

All 8 specialties
  • Strategic Advice
  • Project Planning
  • Business Case Development
  • Transaction Advisory & Leadership
  • Commercial Advisory
  • Delivery Advisory
  • Project leadership
  • Stakeholder Engagement

Locations

Country footprint

Offices in 1 countryCountry footprint: 1 country, primary AU. Codes: AU.1 countryprimary AUAU
Show as table · Offices in 1 country
Offices in 1 country
Countries1
Primary countryAU

All codes: AU

Addresses

  • AU130 Lonsdale St; Level 23; Melbourne, Victoria AustraliaPrimary
  • AU100 Creek St; Level 22; Brisbane City, Queensland Australia
  • AU2 Bulletin Pl; Level 11; Sydney, New South Wales Australia

Grid intelligence Members

Spending power

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Spending power

Signals & hiring

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Financials

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People & contacts

4 employee profiles on record · names withheld.

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FAQ

How many people work at IAG?

The record holds 246 counted staff profiles at January 2026, inside the self-reported 201–500 band.

Where does IAG have offices?

Three addresses on record, Australia only. Primary: 130 Lonsdale St, Level 23, Melbourne, Victoria Australia.

Has IAG raised funding?

None linked to this brand.

What does IAG list as its specialties?

Eight tags on the brand's own list, among them commercial advisory, strategic advice and stakeholder engagement.

Which companies are listed alongside IAG?

55 profiles list IAG as a peer — 99th percentile in Business Consulting. It lists ten peers of its own. IAG Defence and National Security and ConnellGriffin list it back.

What is IAG's website?