Top Tech Startups in Sydney, Australia in 2027

Braze is the leading customer engagement platform that empowers brands to Be Absolutely Engaging™. Braze helps brands deliver great customer experiences that drive value both for consumers and for their businesses. Built on a foundation of composable intelligence, BrazeAI™ allows marketers to combine and activate AI agents, models, and features at every touchpoint throughout the Braze Customer Engagement Platform for smarter, faster, and more meaningful customer engagement. From cross-channel messaging and journey orchestration to Al-powered decisioning and optimization, Braze enables companies to turn action into interaction through autonomous, 1:1 personalized experiences. The company has been consistently recognized as a Leader in marketing technology by industry analysts, and was named a G2 “Best of Marketing and Digital Advertising Software Product” in 2026. Braze was also named a 2026 Best Places to Work by Built In, a 2025 America’s Greenest Companies by Newsweek, and a 2025 Fortune Best Workplace in Technology™ by Great Place To Work®. The company is headquartered in New York with 15 offices across the Americas, EMEA, and APAC. Learn more at braze.com.

Canva is a global online visual communications platform on a mission to empower the world to design. It’s a simple way to create beautiful designs from presentations to infographics, videos, t-shirts, websites and social media graphics. Canva was founded by Melanie Perkins, Cliff Obrecht and Cameron Adams in 2012, before launching to the public in August 2013. From the very beginning we’ve had the crazy big goal of making design accessible to everyone. We’re leveling the playing field and democratizing access to design and visual communication by empowering 100% of the world to communicate in a way that was once limited to the 1%. Our community of users includes 230+ million monthly active users and 90% of the Fortune 500 embrace Canva to bolster productivity and achieve their goals. Our users are already creating over 280 designs per second, but we’re just 1% of the way to our mission of empowering the world to design. If you’re looking to design your dream career, have endless opportunities to grow, and work with a bunch of legends - come and join us.

CROSSK is building Whitebrinjal — an AI-driven decision infrastructure for complex enterprise technology procurement. Enterprises struggle to evaluate emerging technologies because the hardest work happens before procurement: defining the problem, aligning stakeholders, comparing unfamiliar solutions, validating fit, and building the business case. Whitebrinjal structures this fragmented pre-procurement journey into a decision layer—helping enterprises move from complex problems to decision-ready engagement with the right technology providers, while helping providers reach qualified enterprise opportunities with context, intent, and stakeholder alignment. We are solving the gap between “we have a complex problem” and “we know what to buy, why, and from whom.”

We are improving the TV viewing experience, enabling content discovery, and addressing audience fragmentation across screens to strengthen television’s business model and relevance to consumers. Our data and measurement products are transforming the way today’s largest brands across the media landscape are thinking about their business. Given the dramatic growth in streaming services, connected devices, time-shifting, and multi-screen viewership, our data solves real problems and creates meaningful competitive advantage for our clients.

Nash enables businesses to reliably deliver. The company exists to democratize local delivery for business across all industries and sizes. Nash uses the power of technology to build user-friendly infrastructure and smart interfaces that enable all merchants to exceed the rapidly evolving expectations of today and tomorrow's consumer.

Uber is what you want, when you want it. Whether it’s a ride across town or a delivery to your door, we give you the best choice at the touch of a button. We power a marketplace that offers people new ways to earn on their own terms. And we strengthen cities by energizing local economies, making streets safer, and promoting a more connected, less congested environment. Driven by our vision and craftsmanship, Uber technology moves the physical world toward the smarter cities of the future. Cities where transportation is more reliable than running water. Everywhere. For everyone. Where people have the flexibility and opportunity to do more of what matters to them. Uber. In every language, it means your destination in life, on demand.

We power activities and attractions in every corner of the globe. Founded in Hawaii in 2013, FareHarbor is the leading booking platform for tours, activities, and attractions. We believe in better software—a product that makes businesses more productive and profitable, and we're unapologetically excited about this industry; all 550+ of us. We're a modern team distributed across 8 offices in the US, Sydney, and Amsterdam. We're always in touch in all the ways you'd expect, like video calls and slack rooms. We founded FareHarbor on the firm belief of doing right by our clients. So, best-in-class customer support is at the heart of everything we do. We move fast, shipping new features weekly and evolving and growing to meet our customer's unique needs. We'd love to have you on the team. You'll interact with our new and existing clients and have a direct hand in how we grow.

Every day, every minute millions of products from the world's leading retailers and brands are being listed, found, sold and delivered through CommerceHub. The next generation of retail will be fueled by innovation, efficiency, personalization and outstanding customer service – made possible by best-in-class strategic partnerships. CommerceHub is the key

Karbon is the global leader in AI-powered practice management software for accounting firms. We provide an award-winning cloud platform that helps tens of thousands of accounting professionals work more efficiently and collaboratively every day. With customers in 40 countries, we have grown into a globally distributed team across the US, Australia, New Zealand, Canada, the United Kingdom, and the Philippines. We are well-funded, ranked #1 on G2, growing rapidly, and have a people-first culture that is recognized with Great Place To Work® certification and on Fortune magazine's Best Small Workplaces™ List.

SpiceVault is engineering deep-tech infrastructure to solve systemic, high-stakes operational vulnerabilities across three major technology verticals: 1. Real-Time Spatial Obfuscation & Privacy-Preserving Telemetry • The Vulnerability: High-profile digital creators face severe physical tracking and stalking threats. • The Tech Challenge: Building a real-time mapping engine that allows secure discovery without exposing raw GPS coordinates. • Our Solution: Designing a 5km coordinate-fuzzing matrix that shifts user points mathematically on the client side, paired with an instant "Ninja Mode" server-memory wipe protocol. 2. Programmatic P2P Fintech & Compliance Routing • The Vulnerability: Traditional banking frameworks routinely deplatform adult entities, leaving co-collaborators vulnerable to payment friction, missing revenue splits, and manual contract errors. • The Tech Challenge: Managing high-risk multi-party payouts securely and legally without human intervention. • Our Solution: Implementing tokenized ledger balances linked directly to an automated contract generator that anchors P2P royalty split distribution pipelines directly to banking endpoints. 3. Isolated Media Sandboxing & Multi-Platform API Meshes • The Vulnerability: Digital assets are regularly leaked via unencrypted third-party cloud caches or raw device camera rolls before copyright deals can be finalized. • The Tech Challenge: Ensuring secure, client-side video processing and automated publication over unstable connections. • Our Solution: Creating an encrypted internal storage sandbox for our video production suite that safely contains media assets until legal sign-offs match, routing data directly to top-tier verified platforms.