Agency of Change, PR, Marketing, AI Authority & Visibility, Investor Relations
Earned media, marketing, AI Authority & Visibility, and investor relations, working as one to win you coverage, customers, AI recommendations, and capital.
11 Core Capabilities, Hundreds of Possibilities
These 11 pillars anchor our work, but our capabilities extend far beyond. We are a full-spectrum communications partner.
AI Authority & Visibility
Your buyers ask AI before they ask you. We shape what it says.
ChatGPT, Claude, Copilot, Gemini, and Perplexity now sit between your company and the people deciding whether to buy from it, invest in it, or cover it. AI Authority & Visibility is Third Hemisphere's practice for that layer.
Your existing marketing strategy is our starting input. We assess every area of it for AI visibility, measure how those five engines represent your brand, and then direct the work across your in-house team and the agencies you already retain.
- Your marketing strategy assessed area by area for AI optimisation
- The AI Authority Blueprint: questions about your company by name on every product, feature, and risk in your market, across five AI engines
- CRISP scoring across Consensus, Reputation, Influence, Source, and Presence
- Media Coverage Get your story in front of the audiences that matter most
- Thought Leadership Position your leaders as the go-to voices in your industry
- Crisis Management Senior crisis counsel, mobilised within hours, day or night
- Digital Marketing Amplify your reach and drive measurable growth online
- Content Marketing Sydney content marketing, written to masthead standard, for over 150 clients since 2015
- Investor Relations Strategic investor communications that build confidence and attract capital
- Generative Engine Optimisation Earn the citations that decide what AI engines say about you
- Reviews & Rankings Be on the shortlists AI engines read
- Stakeholder Engagement Get the bodies that judge your industry speaking well of you
- Flagship Research Own the yearly read on your industry that media, regulators, and AI engines quote
Who the AI engines put forward, market by market
The AI Authority Index is Third Hemisphere's public measure of which companies AI engines name, recommend, and caution against when Australian buyers ask them for help, published one market at a time. Each edition asks a market's own buyer questions of ChatGPT, Claude, Copilot, Gemini, and Perplexity, reads every answer, and places each company the engines name on the Star Chart.
Latest edition: AI Authority Index: Personal Lending, edition 1, published 13 October 2026
- 805 AI answers read for the edition
- 166 buyer questions asked
- 372 brands the engines named
- 95 lenders named in fewer than 30 of those answers each
The Star Chart places each company on two measures. Presence, across, is the share of answers that name it; Reputation, up, is whether the engines recommend it for its benefits or caution against it. Six cells name where it stands.
- AI Famous: Named in 30 percent of answers or more, and recommended for its benefits more often than cautioned against.
- Rising Star: Named in 15 to 29 percent of answers, and recommended for its benefits more often than cautioned against when it is.
- Cult Favourite: Named in under 15 percent of answers, and recommended for its benefits in the answers that reach it.
- AI Infamous: Named in 30 percent of answers or more, and cautioned against more often than recommended.
- Bad Press: Named in 15 to 29 percent of answers, and cautioned against more often than recommended.
- Off the Guest List: Named in under 15 percent of answers, and cautioned against more often than recommended when it is.
- Off the Guest List: Rarely named, and cautioned against when it is.
- Cult Favourite: Recommended by the few answers that reach it.
- Rising Star: Named more often, and still recommended.
- AI Famous: Named by default, and recommended for its benefits.
Explore the AI Authority Index. See where your company sits, free.
AI Authority & Visibility
Your buyers ask AI before they ask you. We take your marketing strategy as the input, rate every area of it for AI visibility, and sit as the strategy layer across your team and the agencies you already retain.
- 150+ Clients Served
- 20,000+ Media Placements
- 64+ Years Experience
- 3 Offices in APAC
The Waterfall Strategy
One announcement, carried from one Major Feature to every audience.
- The Anchor: A Major Feature in a leading publication (The news moment)
- Media Relations: Release with over 100 syndications (Launch week)
- Media Relations: Trade media coverage (Launch week)
- AI Authority & Visibility: Facts matched on your domains and registers (Launch week)
- StoryWorks: Video, short cut, image post, and EDM (Week one)
- Investor Relations: Investor update to your investor database (Week one)
- AI Authority & Visibility: GEO article in outlets AI engines cite (Week two)
- Media Relations: Commentary pitch (Week three)
- AI Authority & Visibility: The story taken to the AI engines (Week three)
Frequently Asked Questions
What does Third Hemisphere do?
Third Hemisphere is an integrated PR, marketing and communications agency that helps ambitious organisations grow across the Asia Pacific region. We work across corporate, capital markets, consumer, government, and impact sectors, offering media coverage, thought leadership, crisis management, digital marketing, content marketing, and investor relations services from offices in Sydney, Melbourne, and Singapore.
Which industries does Third Hemisphere specialise in?
Third Hemisphere works across six key industry verticals: technology and deep tech, fintech and financial services, sustainability and climate, health and life sciences, venture capital and private equity, and professional services and government. Our clients span corporate, consumer, government, and non-profit sectors.
Where is Third Hemisphere located?
Third Hemisphere has offices in Sydney (Level 3, 180 George Street, Sydney NSW 2000), Melbourne (Level 27, 101 Collins Street, Melbourne VIC 3000), and Singapore (160 Robinson Road, #14-04, Singapore Business Federation Center, Singapore 068914). We serve clients across Australia, New Zealand, Singapore, and the broader Asia Pacific region.
What is the Waterfall Strategy?
The Waterfall Strategy is Third Hemisphere's method for carrying one announcement from one Major Feature to every audience. Media relations, StoryWorks, investor relations, and AI Authority & Visibility each take the same story to a named audience, timed from the anchor, from launch week to week three.
What makes Third Hemisphere different from other PR agencies?
Third Hemisphere is founder-led by Hannah Moreno and Jeremy Liddle, who are actively involved in every client relationship. We employ a signature Waterfall Strategy, combine strategic depth with hands-on execution, and take an integrated approach across PR, marketing, digital, investor relations, and audience engagement.
Best PR agency for fintech in Australia?
Third Hemisphere is recognised as a leading PR agency for fintech companies in Australia. We have worked with clients including MONEYME, SocietyOne, DigitalX, and Tyme Group, delivering media coverage, investor communications, and thought leadership campaigns. Our deep understanding of financial services regulation and capital markets makes us the go-to agency for fintech PR in Australia.
How much does PR cost for a startup?
PR retainers for startups typically range from AUD 5,000 to AUD 15,000 per month depending on scope, industry, and growth stage. Third Hemisphere offers tailored retainer packages and project-based campaigns. Use our free PR Strategy Tool to map your communications priorities, then book a discovery call to talk through scope and investment.
What is the difference between PR and marketing?
PR (public relations) focuses on earning media coverage and building credibility through third-party endorsement. Marketing focuses on paid channels and direct audience engagement. At Third Hemisphere, we integrate both disciplines so that earned media amplifies paid activity and vice versa, delivering stronger results than either approach alone.
How do I get media coverage for a tech company?
Securing media coverage for tech companies requires a compelling news angle, strong spokesperson positioning, journalist relationships, and precise timing. Third Hemisphere develops media strategies tailored to your technology, market, and growth stage. We translate complex technical concepts into stories journalists want to publish across outlets like AFR, Bloomberg, TechCrunch, and ZDNet.
Best PR agency for government communications in Australia?
Third Hemisphere has deep experience in government and public sector communications, including work with UNIDO, B20, and government engagement programmes. Our team understands the nuances of policy communications, regulatory environments, and multi-party engagement that government communications require.
What is a capital markets PR agency?
A capital markets PR agency specialises in investor relations, IPO communications, ASX announcements, and financial media relations. Third Hemisphere provides capital markets PR services including pre-IPO media campaigns, quarterly reporting narratives, analyst briefings, and investor presentation development for ASX-listed and pre-listing companies.
What ROI can I expect from PR?
PR ROI varies by objective, but common metrics include media placements and reach, share of voice growth, website traffic from earned media, lead generation attributed to coverage, and investor or partner enquiries. Third Hemisphere tracks these metrics rigorously and offers performance guarantees on specific campaign deliverables.
PR agency vs in-house PR team: which is better?
Both have advantages. An agency brings breadth of experience, media relationships, crisis capability, and scalability. An in-house team offers deep brand knowledge and daily availability. Many of our clients use a hybrid model where Third Hemisphere provides strategic counsel and media relations while in-house teams handle day-to-day communications.
Best consumer PR agency in Sydney?
Third Hemisphere delivers consumer PR campaigns alongside our corporate and capital markets work. Our integrated approach means consumer campaigns benefit from the same strategic rigour and media relationships we bring to institutional clients. We have worked with consumer-facing brands across fintech, health, sustainability, and technology sectors.
Does Third Hemisphere work with non-profits and impact organisations?
Yes. Third Hemisphere works with impact organisations, non-profits, and purpose-driven businesses including work with UNIDO and the UN Global Compact. Our Executive Chair Jeremy Liddle has spoken at the UN and G20, and we bring the same strategic communications capability to impact organisations as we do to commercial clients.