Top Smart Contract Development Companies in Sydney

Discover top smart contract development companies in Sydney. Compare reviewed agencies, portfolios, pricing, and services to hire the best Smart Contract Developers for your project.
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4.9 out of 5, based on 11 real reviews.
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SelectedFirms reviews agencies and verifies client feedback to support informed decisions. [How SelectedFirms Ensures Trust]

Explore Reviewed Smart Contract Development Companies in Sydney — Find Skilled Smart Contract Developers for Your Project

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

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Newwave Solutions
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Claimed by Official Representatives

49

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

49

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 10% Blockchain Development

  • 20% Web Design

  • 20% Artificial Intelligence

  • 10% Mobile App Development

  • 10% Software Development

  • 10% Web Development

  • 10% IT Services

  • 10% Product Engineering services

Top 10 Blockchain & Software Company in Vietnam

In the last 12 years, we've enhanced our services and expanded to 2 branches in Japan and Vietnam. Our dynamic team of 300+ employees is committed to delivering efficient solutions in custom software development. We specialize in Web, App, and Mobile development, UI/UX design, QA & Testing, and innovative technologies like Blockchain & IoT. As a growing company, we aim to not just meet but exceed expectations. With a decade of experience, we've served 800+ clients globally. Thanks to their support, Newwave Solutions has ventured beyond Vietnam, aspiring to be a top custom software development company.

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Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$2,000+

Min. Budget Size
Inside Service Listing

200 - 500

Team size
Inside Service Listing

Sydney, Australia

Location
Verified Client Review

Verified Client Review

Developing website and management software for a domestic educational organization

Reviewed by: Joie Oriana, Newwave Solutions JSC View all 6 ReviewsView all Reviews
ifourtechnolab Pvt Ltd
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agency_climbed
Claimed by Official Representatives

36

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

36

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 20% Blockchain Development

  • 20% Web Development

  • 20% Mobile App Development

  • 20% Internet of Things

  • 10% Software Development

  • 10% Ecommerce Development

Shaping Success through Innovation & Technology Since 2013

Founded in 2013, iFour Technolab is a custom software development company and a proud Microsoft Certified Solutions partner, specializing in providing full-scope software development services to clients across the globe. Thanks to our extensive industry experience spanning a decade, we are equipped with the know-how to fulfill the needs and requirements of our diverse clientele, including prominent Fortune 500 organizations, SMEs, and large-scale enterprises. iFour Technolab’s team of knowledgeable developers has the understanding and skills required to comprehend your business goals and assist you in achieving them with efficiency. Being a leading software development company, we are well-versed in the principal technological stacks and frameworks, such as Angular, .NET, and Java. By blending our long-standing expertise and industry background, we create more than just software solutions; we construct experiences tailored to fulfill your organizational specifications. We stay current with the latest trends and emerging patterns to develop top-notch solutions aligned with your business requirements. If you need a reliable software development partner, choose iFour Technolab. We're here to exceed your expectations and boost your business.

View ifourtechnolab Pvt Ltd Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$0 - $100,000

Min. Budget Size
Inside Service Listing

500 - 999

Team size
Inside Service Listing

Sydney, Australia

Location
Verified Client Review

Verified Client Review

Custom Software Development for Security Services Provider

Reviewed by: Kuldeep Sharma, Director at UR Protection Security Servcies View all 3 ReviewsView all Reviews

23

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

23

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 10% Blockchain Development

  • 10% Mobile App Development

  • 10% Software Development

  • 10% Web Development

  • 10% Web Design

  • 10% Internet of Things

  • 10% Artificial Intelligence

  • 10% Product Engineering services

  • 10% Cloud Computing Services

  • 5% Digital Transformation

  • 5% IT Services

Increasing the Potential

Acropolis Infotech is an award-winning software development company that empowers businesses to innovate and scale through cutting-edge digital solutions. With expertise in custom app development, enterprise software, web applications, mobile apps, eCommerce platforms, IoT, Blockchain, Artificial Intelligence (AI), and AR/VR technologies, we help transform ideas into powerful, results-driven products using an agile development methodology. Backed by years of experience, deep technical expertise, and a client-first approach, Acropolis delivers end-to-end web and business solutions tailored to your goals. From startups to Fortune 500 companies, our clients trust us for our commitment to quality, transparency, and innovation. Our multidisciplinary team includes UI/UX designers, full-stack developers, data engineers, and digital marketing strategists—working collaboratively to ensure your product not only performs flawlessly but also delivers measurable business impact. We take pride in solving complex challenges and delivering scalable, future-ready software solutions for diverse industries. Whether it’s digital transformation, brand growth, or process automation, Acropolis provides the strategy and technology to help you succeed. Headquartered in India and serving clients across the globe, we’re more than just a tech partner—we’re your innovation catalyst. Let’s build something extraordinary together. Visit www.acropolisinfotech.com to start your digital transformation today.

View Acropolis Infotech Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

250 - 499

Team size
Inside Service Listing

Sydney, Australia

Location
Verified Client Review

Verified Client Review

Developing iOS and Android Apps for a Collaborative Workplace

Reviewed by: Nitin Khatri, Owner at Team CoWork View all 2 ReviewsView all Reviews

12

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

12

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 100% Blockchain Development

MAKE BLOCKCHAIN A PRIORITY FOR YOU.

BlockchainDeveloper.com is a blockchain talent and development platform connecting businesses with experienced blockchain developers and engineering teams for custom blockchain projects. The platform supports companies seeking to build decentralized applications, smart contracts, and blockchain-based systems by matching them with vetted technical talent suited to their project requirements. Services typically span blockchain consulting, custom development, and staff augmentation for organizations that need to scale blockchain engineering capacity quickly. By focusing specifically on blockchain and distributed ledger technology expertise, the platform serves as a resource for startups and enterprises navigating Web3 development without maintaining a large in-house blockchain team. Businesses exploring blockchain adoption, token development, or decentralized infrastructure can use BlockchainDeveloper.com to find specialized technical expertise suited to their specific blockchain platform and use case, whether that involves Ethereum, other EVM-compatible chains, or alternative distributed ledger technologies.

View Blockchain Developer Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

250 - 999

Team size
Inside Service Listing

Sydney, Australia

Location

4

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

4

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 34% Blockchain Development

  • 33% IT Services

  • 33% Software Development

Chart. Allocate. Automate.

Werkflo is a North Sydney-based RegTech and workflow automation company providing governance, risk, and compliance (GRC) software to the financial services industry worldwide. With more than 25 years of combined financial services and technology experience, the Werkflo team built its flagship Kollate-it platform to let regulated businesses consolidate compliance activities, risk management, and audit processes into a single, integrated system rather than juggling scattered documents and disconnected software. The company’s FlowBiz suite adds cloud-based workflow charting, task allocation, and process automation, allowing users to map, automate, and document business or compliance procedures within one platform, while its Chatabox tool supports front-end sales, marketing, and client relationship management. Werkflo primarily serves regulated companies, trustees, asset managers, client distribution networks, and operational risk and compliance teams such as AFSL holders, helping them replace fragmented systems with a single source of truth and real-time reporting. By combining workflow automation, AI logic, and drag-and-drop integrations, Werkflo helps financial services firms reduce compliance overhead, cut costs, and improve operational efficiency. Regulated businesses seeking a purpose-built compliance and workflow automation platform choose Werkflo for its financial services expertise and adaptable governance framework.

View Werkflo Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

Sydney, Australia

Location

4

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

4

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 33% Blockchain Development

  • 67% Digital Marketing

Crypto Marketing Agency. Advertising services to expand your cryptocurrency business globally

Crypto-Upvotes is a Sydney-based crypto marketing agency offering full-service, affordable advertising and promotional solutions to help cryptocurrency businesses expand their reach globally. The agency specialises in advertising, digital marketing, social media marketing, email marketing, and blockchain-focused promotional campaigns tailored specifically to crypto and Web3 projects. Crypto-Upvotes helps clients extend their cryptocurrency business internationally, providing targeted marketing strategies designed to build visibility and drive engagement within crypto communities. With a focus on affordability and accessibility, the agency positions itself as a practical marketing partner for crypto projects of varying sizes and budgets, from early-stage token launches to more established platforms. Businesses seeking a specialised, cost-effective marketing partner experienced in promoting cryptocurrency projects across global audiences will find Crypto-Upvotes a relevant option in the crypto marketing space.

View Crypto-Upvotes Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Sydney, Australia

Location

3

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

3

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 25% Blockchain Development

  • 25% IT Services

  • 25% Mobile App Development

  • 25% Web Design

To ignite innovation and drive progress through cutting-edge software solutions

RippleBytes is a Kathmandu, Nepal-based IT solutions company delivering custom software development, cloud architecture, UI/UX design, and digital marketing services to businesses across travel, finance, and e-commerce sectors. The company integrates emerging technologies including AI, machine learning, blockchain, and IoT to help clients innovate and differentiate in competitive markets. Its development team builds bespoke enterprise software with a focus on scalable, secure, and performance-centric architecture, applying continuous integration and continuous deployment (CI-CD) best practices alongside automated quality assurance and testing. RippleBytes also offers cloud migration and optimization services to help businesses future-proof their digital infrastructure, along with website development, CRM technology, and digital marketing strategies designed to increase leads and conversions. Clients across travel, finance, and e-commerce industries have credited RippleBytes with transforming their online presence through combined technical and marketing expertise. Businesses seeking a technology partner capable of blending custom software development with digital marketing and emerging technology integration choose RippleBytes for its full-spectrum IT capabilities.

View RippleBytes Profile
Inside Service Listing

$200-$300/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Sydney, Australia

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Blockchain Development

  • 20% Mobile App Development

  • 20% Software Development

  • 10% Web Development

  • 10% Ecommerce Development

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

AI-driven, end-to-end technology solutions

NSC Software is a Vietnam-based software development and technology consulting company that provides senior-level engineering talent to enterprises across Australia, the UK, Europe, and the US. The company sources engineers exclusively from the top tier of Vietnam’s IT workforce, with every team member holding a minimum of six years of professional experience and the majority operating at senior level. NSC Software delivers full-cycle software development, from product ideation and MVP through enterprise-scale platforms, alongside strategic technology advisory, cloud-native engineering, DevSecOps, data pipeline development, and emerging technology services spanning AI and blockchain. Its delivery model blends experienced engineering talent with AI-enhanced development workflows to help global companies build scalable, high-performing digital products faster and more cost-effectively than traditional Western development markets allow. Teams work in overlapping hours with Europe, Australia, and the US to ensure real-time collaboration. Businesses and startups seeking premium software engineering talent at competitive rates choose NSC Software for its senior-only staffing model, technical rigor, and long-term partnership approach.

View NSC Software Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Sydney, Australia

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Blockchain Development

  • 20% Software Development

  • 15% Artificial Intelligence

  • 15% Ecommerce Development

  • 15% Mobile App Development

  • 15% Web Development

  • 10% Web Design

Custom Application Development Services

Soda Digital is a Sydney and Brisbane-based software and design firm founded in 2001, specialising in custom software development, artificial intelligence, e-commerce development, mobile app development, web development, and UX/UI design. The Microsoft Gold Certified agency has built long-term client relationships spanning more than 15 years, delivering enterprise-grade developer services with transparent pricing and a strong focus on measurable results. Soda Digital combines local, Australian-based development teams with cloud and DevOps expertise to accelerate delivery timelines without compromising quality. The agency works across projects of all sizes, from single-purpose companion apps to complex enterprise portals and core business systems, helping organisations across Australia and internationally modernise their technology and digital experiences with dependable, results-driven software development partnerships.

View Soda Digital Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

Sydney, Australia

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 10% Blockchain Development

  • 50% Mobile App Development

  • 40% Web Design

Design & Cloud Solutions

Bilue is a Sydney and Melbourne-based digital product design and development agency that has partnered with Australia's leading enterprises since 2011 to deliver mobile, web, and cloud products. The agency combines strategy, design, and engineering from day one, offering CX and digital strategy, product design, mobile app development, web development, cloud engineering, and AI services. Bilue's cross-functional squads integrate seamlessly with client teams, accelerating time to market while reducing delivery risk for organisations modernising platforms and improving customer experience. Notable projects include a widely used health insurance app and fault-tracking systems for major transport infrastructure providers. With over a decade of app development expertise and an Australian-based delivery team, Bilue is a strong choice for enterprises seeking a design-led technology partner for mission-critical digital products and platform modernisation.

View Bilue Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Sydney, Australia

Location

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