When most people think of Sydney, they picture beaches, brunch spots, and billion-dollar harbour views. But underneath that sunny charm lies a fast-growing blockchain scene. From NFT marketplaces to enterprise-level dApps, Sydney has become a serious player in the Web3 world.
If you’re planning to build a blockchain project but don’t want to waste months figuring out who’s legit and who’s all talk, here’s your cheat sheet. These are the top 10 blockchain development companies in Sydney worth your attention in 2025.
Table of Contents
SotaTek ANZ
SotaTek ANZ is one of the biggest names in Sydney’s blockchain landscape. Backed by a global development network, they deliver everything from DeFi apps to NFT marketplaces, smart contracts, and enterprise blockchain platforms. What clients love most is their transparency, agile workflow, and strong technical support.
The Sydney team combines global expertise with local understanding, making it easy for Australian companies to explore blockchain without the communication headaches that come with outsourcing overseas.
EB Pearls
EB Pearls is a full-service digital agency that does more than just design beautiful apps; they build blockchain-powered experiences that work. With years of success in app development, they’ve now entered Web3 with projects like token-based loyalty platforms, digital wallets, and dApps. Their strength lies in merging design and technology seamlessly.
If you’re the kind of brand that wants blockchain tech wrapped in a gorgeous user interface, EB Pearls is the partner that understands both aesthetics and architecture.
Blockchain Technologies
If you want specialists, not generalists, Blockchain Technologies should be high on your list. Based in Sydney, this firm focuses solely on blockchain projects, from crypto exchange platforms and tokenization models to decentralized ledgers for supply chains. Their team knows how to turn complex ideas into scalable blockchain systems that actually deliver value.
Businesses appreciate their deep technical knowledge, local presence, and strategic consulting approach that simplifies blockchain integration across industries.
Mind Tattoo
Mind Tattoo is a boutique Sydney-based tech firm that combines creativity and blockchain expertise. They’re known for turning abstract ideas into fully functional decentralized apps with strong security and usability. Startups love working with them because of their hands-on collaboration; they brainstorm, prototype, and iterate quickly.
Their team might be small, but their innovation game is strong. If you want a team that feels more like a creative partner than an outsourced vendor, Mind Tattoo is worth your shortlist.
ERRNA
ERRNA is making waves in Sydney’s blockchain space with its solid reputation for secure, scalable, and reliable blockchain applications. Their developers specialize in smart contract creation, NFT marketplace development, and metaverse integrations.
What sets ERRNA apart is its focus on blockchain security; it emphasizes safe transactions and transparent architecture for all its builds. Their portfolio includes both local and global projects, giving them the edge to understand diverse industries and business goals.

MobileFirst Applications
MobileFirst Applications started as a mobile app agency but quickly evolved into a full-stack development company with blockchain expertise. Their Sydney team develops decentralized mobile applications, crypto wallets, and tokenized ecosystems.
They excel at bringing blockchain functionality to user-friendly mobile experiences, making complex tech accessible to end users. If your vision involves blockchain on the go, think DeFi apps or NFT wallets. MobileFirst’s balance of UI and technical know-how makes it a perfect fit.
Hokma Consulting & Technology Solutions
Hokma Consulting is one of those under-the-radar Sydney firms that delivers quietly but effectively. They focus on smart contract automation, blockchain audits, and enterprise-grade decentralized systems. What makes them stand out is their consulting-first mindset; they help clients understand blockchain’s actual business value before diving into code.
Their team is detail-oriented, approachable, and dedicated to long-term relationships. Ideal for mid-size companies exploring blockchain for process automation or transparency-driven applications.
RedDuck
RedDuck is a Sydney-based blockchain company that loves to experiment. They specialize in decentralized finance, gaming, and NFT ecosystems, blending creative design with solid blockchain engineering. Their developers have worked on tokenomics design, DAO infrastructure, and Web3 community projects.
RedDuck’s strength lies in building engaging blockchain products that appeal to real users, not just tech enthusiasts. If your project leans toward innovation and creativity, RedDuck’s fresh perspective could be the spark your brand needs.
VCG Digital
VCG Digital operates in Sydney and Canberra, delivering full-cycle blockchain and software solutions. Their approach combines strategy, UX design, and blockchain engineering under one roof. They build smart contracts, private blockchains, and DApps tailored to business operations.
Clients value their transparent pricing, communication, and ability to meet tight deadlines. Whether you’re digitizing assets or building an internal ledger system, VCG Digital ensures your blockchain journey is smooth, compliant, and focused on results.
Appinventiv (Sydney Office)
Appinventiv is a global tech company with a strong Sydney presence. They’ve delivered blockchain solutions for fintech, logistics, and healthcare companies worldwide. Their Australian office extends that expertise locally, offering enterprise blockchain development, token creation, and NFT marketplace services.
Appinventiv’s process-driven team ensures every project is scalable, secure, and user-centric. If you want international-level experience with local accessibility, this firm gives you both, perfect for ambitious blockchain projects in Australia.
Tips for Choosing the Right Blockchain Company in Sydney
- Check their portfolio. Ask for at least two live blockchain projects they’ve delivered recently.
- Look for local support. On-site or hybrid teams ensure smoother communication.
- Prioritize security. Blockchain apps need robust smart contract audits and testing.
- Think beyond hype. Ensure the company can explain how blockchain actually benefits your use case.
- Start small. Test the waters with an MVP before scaling up.
FAQs
Q1: Why should I hire a blockchain development company in Sydney?
Ans: Sydney’s tech ecosystem offers local expertise, better communication, and teams familiar with Australia’s regulatory landscape.
Q2: How much does it cost to build a blockchain app in Sydney?
Ans: Costs typically range from AUD 30,000 to AUD 200,000+, depending on complexity, integrations, and security layers.
Q3: Do I need a Sydney-based company, or can I hire remote developers?
Ans: You can hire remote, but local firms often handle compliance, time zones, and meetings more efficiently.
Q4: Which industries benefit most from blockchain in Australia?
Ans: Finance, logistics, energy, healthcare, and real estate are leading sectors using blockchain for transparency and automation.
Q5: What’s the average project timeline?
Ans: A basic blockchain MVP takes 8–12 weeks, while complex enterprise projects may take 4–6 months.
Q6: Can these companies build NFT platforms or DeFi apps?
Ans: Yes. Most of them (like SotaTek and RedDuck) specialize in DeFi, NFT, and tokenization solutions.
Q7: Are blockchain projects legal in Australia?
Ans: Yes. Australia regulates crypto and digital assets under ASIC and AUSTRAC, so legit blockchain projects are fully legal.
Q8: What should I look for in a blockchain developer?
Ans: Check for smart-contract experience, audit practices, and prior projects relevant to your industry.
Q9: Can small businesses use blockchain?
Ans: Absolutely. Small businesses use blockchain for supply-chain tracking, loyalty programs, and data security.
Q10: Which blockchain platform is most popular in Sydney?
Ans: Ethereum remains dominant, but Hyperledger, Polygon, and Solana are gaining traction among Sydney developers.
Final Thoughts
Sydney’s blockchain ecosystem is thriving, and whether you’re building an NFT platform or exploring enterprise automation, these companies represent the city’s best. Choose a team that aligns with your goals, not just your budget. After all, blockchain might be about decentralization, but success still depends on the people building it.


