Home Blockchain Smart Contract Development Australia Sydney

Top Smart Contract Development Companies in Sydney

Ratings Updated: July 14, 2026

We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. Learn how Clutch ensures trust

All Companies Leaders Matrix Services Guide

7 Leaders 13 Contenders

Get Matched

20 Companies

Country: Australia

City: Sydney

Blockchain Focus: Smart Contract Development

List of the Top Sydney Smart Contract Developers

Sponsored

Suffescom Solutions Inc

4.9 118 reviews

Look for Verified Providers

Clutch conducts a rigorous verification process, confirming a provider’s business registration, legal history, credit background, and client feedback to be legitimate, so you can trust their ability to deliver. Learn More

Premier Verified

$25,000+

$25 - $49 / hr

250 - 999

Sydney, Australia

Services provided

10% Blockchain

45% AI Development

45% Mobile App Development

Focus Areas

20% Smart Contract Development

15% Ethereum Development

15% Initial Coin Offering Consulting +5

15% Web3

10% Decentralized Finance

10% Smart Contract Auditing

10% Tokenization

5% Metaverse Development

Suffescom Solutions Inc is a company offering Blockchain Development services, including Smart Contract Development and Crypto Application Development. Based on the review provided, the company has received negative feedback, with 100% of reviewers citing unethical practices and project mismanagement, resulting in financial and operational setbacks. Common themes include a lack of professionalism and issues with project delivery.

See all 118 projects
Reviews mention Flexible
Clients have consistently praised Suffescom Solutions Inc for their flexibility in project management and responsiveness to changing requirements. For instance, one client noted their 'patience and flexibility' when addressing mid-project changes, while another highlighted their 'commitment to quality and innovation' along with an ability to accommodate adjustments. Overall, the sentiment regarding their flexibility is overwhelmingly positive, indicating that they effectively adapt to client needs and deliver satisfactory results.

Mobile App Development for Dog Hostel

5.0 Nov 10, 2023

What stood out most about Suffescom was its commitment to quality and innovation. They were highly responsive to our needs throughout the project. Their flexibility in accommodating adjustments to the project scope was particularly noteworthy.
Read Full Review

Mobile App Dev for Roadside Assistance Company

5.0 Jun 28, 2023

The most impressive thing about Suffescom was their responsiveness and flexibility when addressing requirements.
Read Full Review

Website Development for Construction Company

5.0 Nov 21, 2022

The team and the manager were quite flexible with their hours while working on my project. They never hesitated to work in emergency hours.
Read Full Review

Web Development For Design Agency

5.0 Sep 22, 2022

Project management is good, and they're a flexible team. Regarding tools and communication, we use Jira.
Read Full Review

Blockchain Development for NFT Marketplace

5.0 Jun 14, 2022

Suffescom Solution team analyses your business idea deeply, then dedicated developers ensure to launch your platform within the stipulated time frame. Their work commitment, transparent pricing policies, and flexibility with editing impressed our company.
Read Full Review

Read All Reviews

Was this helpful?
0 of 1 Smart Contract Development reviews is 5 stars

$10,000 – $49,000 avg. project cost

Smart Contract Development Experience

Suffescom Solutions Inc has received overwhelmingly negative feedback in their Smart Contract Development service, with 100% of reviewers expressing dissatisfaction. Clients report significant issues including unethical behavior, poor communication, and repeated failures in project execution, particularly in launching NFT projects. Specific complaints highlight financial loss due to mistakes in smart contracts, missed deadlines, and lack of accountability. One client described them as a 'glorified scam center,' emphasizing the detrimental impact on their business and finances.
Read Most Recent Review

Was this helpful?

0 of 1 Blockchain reviews are 5 stars

$10,000 – $49,000 avg. project cost

Blockchain PROJECT HIGHLIGHT

Development Services for NFT Marketplace Company
5.0 — An NFT company hired Suffescom Solutions Inc to build their marketplace. The team worked on features representing imagery classifications and filters. They also worked on platforms such as Ethereum Read more
Read 1 Review

Was this helpful?
View projects from:

United States (42) India (16) Canada (8) Australia (4) Ghana (2) Hong Kong (1) Germany (1) Georgia (1) France (1) China (1) South Korea (1) South Africa (1) Switzerland (1) United Arab Emirates (1) Bulgaria (1) England (1)

This provider is fluent in 1 language:

English

This provider is available in 1 time zone:

Eastern Standard Time (EST)

Was this helpful?
View Profile Visit Website
Kryptoninc®

5.0 22 reviews
Verified

$5,000+

$25 - $49 / hr

10 - 49

Lane Cove, Australia

Services provided

10% Blockchain

15% IT Staff Augmentation

15% Microservices Architecture Services +6

10% AR/VR Development

10% Custom Software Development

10% IT Strategy Consulting

10% IoT Development

10% Mobile App Development

10% Web Development

Focus Areas

45% Smart Contract Development

40% Ethereum Development

15% Initial Coin Offering Consulting

Kryptoninc® is a blockchain development company specializing in Blockchain Technology, Smart Contract Development, and Decentralized Application (DApp) Development. Reviews indicate a 100% positive sentiment, highlighting their deep technical expertise, innovative solutions, and efficient project management. Notably, 40% of reviewers mention their strong integration capabilities and commitment to security. Areas for potential improvement include enhanced post-launch documentation and communication on timelines and costs.

See all 22 projects
Reviews mention Transparent
The overall sentiment regarding transparency in Kryptoninc's project management is highly positive. Clients praised their proactive communication and structured milestone-driven approach, noting that they consistently delivered on schedule and provided regular updates. One client specifically highlighted their responsiveness and flexibility in addressing needs, stating, 'Communication was proactive and transparent.' This commitment to transparency contributed significantly to a successful collaboration and client satisfaction.

Secure Blockchain Infrastructure for Open Financial System

5.0 Sep 26, 2023

Lastly, the seamless integration of blockchain technology into our existing systems marked a crucial achievement. This integration facilitated transparent and traceable transactions, promoting trust among our users and stakeholders. Collectively, these outcomes showcased the successful development and integration of blockchain solutions, positioning our organization for future growth and innovation.
Read Full Review

SEO, Web Redesign & Rebuild for Energy Efficiency Company

5.0 Jul 18, 2025

Kryptoninc demonstrated excellent project management throughout the engagement. They followed a structured, milestone-driven approach and consistently delivered each phase on schedule. Communication was proactive and transparent, with regular updates, review meetings, and quick turnarounds on feedback. They were highly responsive to our needs, flexible with changes, and always ensured our priorities were addressed promptly and professionally.
Read Full Review

Read All Reviews

Was this helpful?
Industry Experience

Kryptoninc® has demonstrated expertise across various industries, including Software, Information Technology, Chemicals & Biotechnology, Financial Services, and Manufacturing. Clients commend their technical excellence, project management skills, and ability to deliver user-centric solutions. In Software, they enhanced user engagement and task efficiency; in IT, they streamlined operations through automation; and in Financial Services, they delivered robust blockchain infrastructure. Overall sentiment is highly positive, highlighting Kryptoninc's adaptability and commitment to client satisfaction across sectors.
Read All Reviews

Select Industry to see insights

Chemicals & Biotechnology Software Information technology Other Industry IT Services Financial services Manufacturing

Was this helpful?

Average Project Cost Breakdown

Less than $10,000 (5) $50,000 to $199,999 (3) $10,000 to $49,000 (1)

What Clients Have Said
Clients consistently praised Kryptoninc for their competitive pricing and excellent value for money, noting that their costs fit within budget while delivering high-quality results. Feedback highlighted that the company's commitment to understanding client needs and aligning with their values contributed to a positive perception of value. Specific instances included comments on good value for cost and effective solutions that exceeded expectations, indicating a strong overall sentiment regarding the balance of cost and delivered value.
Read All Reviews

Was this helpful?
View projects from:

Australia (3) United States (2) Canada (1) India (1)

This provider is available in 2 time zones:

India Standard Time (IST)

Australia Central Time (ACT)

Was this helpful?
View Profile Visit Website
SOTATEK JSC

5.0 47 reviews

$10,000+

$25 - $49 / hr

1,000 - 9,999

Sydney, Australia

Services provided

45% Blockchain

15% Custom Software Development

10% AI Development +3

10% CRM Consulting and SI

10% Mobile App Development

10% Web Development

Focus Areas

35% Smart Contract Development

35% Ethereum Development

20% Initial Coin Offering Consulting +1

10% Web3

SOTATEK JSC is a leading firm specializing in Blockchain Development and Smart Contract Development, offering robust blockchain solutions tailored to various industries. Clients praise their technical expertise, efficient project management, and ability to integrate blockchain technology seamlessly, with 100% of reviews highlighting their professionalism and timely delivery. Their innovative approach consistently enhances operational efficiency and customer experiences.

See all 47 projects
Reviews mention Experienced
Clients consistently express high satisfaction with SOTATEK JSC's expertise and communication skills. One CEO noted their 'brilliant' work and effective collaboration, highlighting their proficiency in blockchain technology. Another client praised the team's dedication and customer-centric approach, emphasizing their ability to deliver tailored solutions. Overall, the sentiment reflects a strong appreciation for SOTATEK's technical capabilities and commitment to client success, with no significant complaints reported.

Blockchain Dev Services for Cryptocurrency Wallet

5.0 Jul 4, 2022

Besides, their team was skillful. They were specialized in many development languages and were experienced in building different types of platforms. Therefore, they could easily understand the clients' requirements and meet their demands.
Read Full Review

Web Development for Software Solutions Provider

5.0 Nov 26, 2021

In the course of the project, SOTATEK team offer us experts experienced in specific industries, focusing on IT Consulting and Strategy to help us solve the challenges. I really appreciated their customer-centric strategies and dedicated efforts.
Read Full Review

Read All Reviews

Was this helpful?
3 of 3 Blockchain reviews are 5 stars

$10,000 – $49,000 avg. project cost

Blockchain PROJECT HIGHLIGHT

Blockchain Development for Travel Platform
5.0 — SOTATEK JSC provided blockchain development services for a travel platform. The team created and integrated smart contracts and a secure payment gateway to streamline the client's booking and Read more
Read 3 Reviews

Was this helpful?

View projects from:

Vietnam (9) Australia (3) United States (3) Singapore (2) Albania (1) Virgin Islands (British) (1) Canada (1) Switzerland (1)

Was this helpful?

Sydney, Australia

75 Castlereagh Street
Sydney, Australia 2000
2 - 5

+61-2-8040-0482

See All Locations (8)

Was this helpful?
View Profile

Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.

Get My Matches

ERRNA

4.8 2 reviews

$5,000+

< $25 / hr

1,000 - 9,999

Sydney Olympic Park, Australia

Services provided

60% Blockchain

10% Cybersecurity

10% Marketing Strategy +2

10% Mobile App Development

10% Web Design

Focus Areas

20% Smart Contract Development

20% Ethereum Development

20% Initial Coin Offering Consulting +2

20% Metaverse Development

20% Web3

ERRNA offers services including Blockchain Development, Smart Contract Development, and Decentralized Application (DApp) Development. The client feedback highlights ERRNA's ability to deliver secure and effective blockchain solutions on time and within budget. Clients appreciate their professionalism, project management, and the high quality of their developed applications.

See all 2 projects

Industry Experience

ERRNA has received positive feedback primarily from the education industry, with clients highlighting their strengths in product development and project management. Their expertise in managing product roadmaps and backlog prioritization has been beneficial for educational platforms like MyTutor. Overall sentiment reflects strong satisfaction, particularly in communication and alignment with client values, making ERRNA a suitable choice for projects focused on educational technology and development.
Read All Reviews

Select Industry to see insights

Education

Was this helpful?

Average Project Cost Breakdown

$10,000 to $49,000 (1)

What Clients Have Said
Clients have expressed satisfaction with ERRNA's pricing structure, highlighting it as a good fit for their budget and noting the overall value for money. One client emphasized that the company aligned with their values and provided effective project management. Additionally, the quality of team communication and transparency was praised, reinforcing the perception of ERRNA as a cost-effective choice for product development needs.
Read All Reviews

Was this helpful?

Sydney Olympic Park, Australia

Park Street
Sydney Olympic Park, Australia 2127
2 - 5

+61-3-6146-0000

See All Locations (33)

Was this helpful?

View Profile
MobileFirst Applications

4.6 8 reviews

$10,000+

$25 - $49 / hr

50 - 249

Parramatta, Australia

Services provided

15% Blockchain

30% Mobile App Development

25% AI Development +3

10% Custom Software Development

10% IT Staff Augmentation

10% Web Development

Focus Areas

50% Smart Contract Development

40% Ethereum Development

10% Initial Coin Offering Consulting

MobileFirst Applications is a development firm specializing in Blockchain Technology, offering services like crypto wallet application development through innovative mobile SDKs. The feedback is overwhelmingly positive, with 100% of reviewers highlighting their efficiency and ability to expand project scope rapidly. Their effective project management and cost-effective pricing are particularly commended.

See all 8 projects
Reviews mention Great team
Clients consistently commend MobileFirst for their exceptional team, highlighting their professionalism and effective communication. One client noted, "MobileFirst has very good developers" and appreciated their humility and willingness to listen to feedback. The collaborative environment, devoid of internal politics, was also praised, enhancing the working relationship. Overall, the sentiment reflects strong satisfaction with the team's capabilities and responsiveness, contributing positively to project outcomes.

App Development for Lifestyle Improvement App

4.5 Apr 18, 2017

MobileFirst’s team is definitely professional in terms of communication. I work with their project manager, the CEO, and our developer directly. There is no hierarchy or any other obstacle like internal politics, so the relationship has worked quite well for me. I have been the CEO of manufacturing companies before and used to have 1,500 employees under me, so I know that anything can happen. I have not seen any agendas on MobileFirst’s part, which I appreciate.
Read Full Review

Read All Reviews

Was this helpful?
Average Project Cost Breakdown

$10,000 to $49,000 (2) Less than $10,000 (1) $50,000 to $199,999 (1)

What Clients Have Said
MobileFirst Applications demonstrates strong value for money, with clients noting competitive pricing relative to the quality of work delivered. One client highlighted project costs ranging from $15,000 to $50,000, emphasizing satisfaction with the results. Another client praised their responsiveness and dedication, stating, "MobileFirst actually put in a lot of passion on this project." Overall, the sentiment is positive, with clients appreciating both the cost-effectiveness and the quality of service provided.
Read All Reviews

Was this helpful?

View projects from:

United States (4) Singapore (2)

Was this helpful?

Parramatta, Australia

D803, 1, Broughton Street
Parramatta, Australia 2150
2 - 5

See All Locations (3)

Was this helpful?
View Profile
Hokma Consulting and Technology Solutions

5.0 1 review

$5,000+

$50 - $99 / hr

10 - 49

Rosehill, Australia

Services provided

10% Blockchain

20% CRM Consulting and SI

20% IT Strategy Consulting +6

10% AI Consulting

10% Custom Software Development

10% Enterprise App Modernization

10% Low/No Code Development

5% Cloud Consulting & SI

5% Corporate Training & Coaching

Focus Areas

25% Smart Contract Development

50% Web3

25% Decentralized Finance

Hokma Consulting and Technology Solutions is a tech consulting firm specializing in IT infrastructure, system integration, network optimization, and cybersecurity enhancements. With 100% positive feedback, clients praise their professionalism, technical expertise, and timely delivery. Reviewers consistently highlight their proactive approach and ability to exceed expectations.

See all 1 projects

Industry Experience

Hokma Consulting and Technology Solutions has received positive feedback primarily from the Information Technology sector. Clients commend their comprehensive consulting services, including system integration and cybersecurity enhancements. The team's professionalism, technical expertise, and proactive approach to problem-solving have significantly impacted project success. They are well-suited for IT-related projects, demonstrating strong capabilities in revamping infrastructure and optimizing business processes, making them a reliable partner for companies in the tech industry.
Read All Reviews

Select Industry to see insights

Information technology

Was this helpful?

More responsive than most other service providers

Hokma Consulting and Technology Solutions is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

Was this helpful?

Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Reviewers in Sydney highlight Hokma's deep industry understanding, technical proficiency, and effective communication, resulting in successful business process streamlining and project management excellence.
Read Local Reviews

Was this helpful?

View Profile
AIS Technolabs

4.8 30 reviews

$10,000+

$25 - $49 / hr

50 - 249

Engadine, Australia

Services provided

10% Blockchain

25% Mobile App Development

25% Search Engine Optimization +3

20% Web Development

10% AR/VR Development

10% Web Design

Focus Areas

50% Smart Contract Development

25% Ethereum Development

25% Initial Coin Offering Consulting

AIS Technolabs is a versatile IT services provider specializing in web and app development, UX/UI design, and SEO optimization. Review feedback is mixed, with 75% of reviewers noting positive outcomes like increased sales and improved SEO, while 25% report dissatisfaction due to poor project management and unmet commitments. Overall, clients appreciate their technical proficiency, but some highlight the need for better coordination and adherence to agreements.

See all 30 projects
Reviews mention Dedicated
The overall sentiment regarding AIS Technolabs is highly positive, particularly highlighting their dedication to client projects. A CEO noted that ten team members worked diligently on their SEO project, ensuring seamless communication and support. Clients appreciated the company's commitment to delivering results, with one stating they were impressed by their 'dedication and all-time working strategies.' This consistent dedication has led to significant improvements in website rankings and lead generation.

SEO Services for Plumbing Services Company

5.0 Jul 30, 2021

Their dedication and all-time working strategies, along with flexible work culture and willingness to grow together, impressed me. They ensure that everything goes right the first time and are always ready for support.
Read Full Review

Read All Reviews

Was this helpful?
Average Project Cost Breakdown

$50,000 to $199,999 (2) Less than $10,000 (1) $10,000 to $49,000 (1)

What Clients Have Said
Client feedback indicates mixed sentiments regarding AIS Technolabs' cost and value for money. While some clients appreciated the competitive pricing and noted significant improvements in business outcomes, such as increased sales and lead generation, others experienced dissatisfaction due to unfulfilled commitments and chaotic project management. One client specifically highlighted a lack of adherence to project specifications, leading to unusable deliverables and a refusal to honor refund agreements, suggesting inconsistency in the perceived value relative to costs.
Read All Reviews

Was this helpful?

View projects from:

United States (2) Cameroon (1) United Arab Emirates (1)

Was this helpful?

Engadine, Australia

35-37 Railway STREET
Engadine, Australia 2233
31 - 40

+44 (203)838 0743

See All Locations (7)

Was this helpful?
View Profile
Mitosis Technologies

Not yet reviewed

$10,000+

$25 - $49 / hr

250 - 999

Ultimo, Australia

Services provided

20% Blockchain

40% AI Development

20% BI & Big Data Consulting & SI +1

20% Custom Software Development

Focus Areas

50% Smart Contract Development

50% Ethereum Development

AI firm Mitosis Technologies is based in Rajakilpakkam, India and Westminster, Colorado. Founded in 2013, the team provides Artificial Intelligence and Custom Software Development.
Read more

Ultimo, Australia

608 Harris St,
Ultimo, Australia 2007
10 - 15

See All Locations (5)

Was this helpful?

View Profile
Werkflo

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

North Sydney, Australia

Services provided

25% Blockchain

25% CRM Consulting and SI

25% Custom Software Development +1

25% Other Application Development

Focus Areas

100% Smart Contract Development

Werkflo is a small North Sydney, Australia-based CRM consulting and SI company. Their services include CRM consulting and SI and Custom Software Development.
Read more

View Profile
Blockchain Developer

Not yet reviewed

Undisclosed

Undisclosed

250 - 999

Sydney, Australia

Services provided

100% Blockchain

Focus Areas

100% Smart Contract Development

Blockchain Developer is a Blockchain company founded in 2018. The team provides Blockchain and is in Sydney, Australia.
Read more

View Profile
Block8

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sydney, Australia

Services provided

100% Blockchain

Focus Areas

50% Smart Contract Development

50% Initial Coin Offering Consulting

Blockchain company Block8 is headquartered in Sydney, Australia. Founded in 2016, the team focuses on Blockchain.
Read more

View Profile
Adactin Group Pty. Ltd.

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Parramatta, Australia

Services provided

15% Blockchain

20% Custom Software Development

15% AI Development +4

15% IoT Development

15% Web Development

10% BI & Big Data Consulting & SI

10% IT Strategy Consulting

Focus Areas

30% Smart Contract Development

40% Ethereum Development

30% Initial Coin Offering Consulting

Adactin Group Pty. Ltd., a software development firm, is located in Parramatta, Australia. Established in 2011, the team specializes in Custom Software Development and Artificial Intelligence.
Read more

View Profile
Zero B.S.

Not yet reviewed

$5,000+

$150 - $199 / hr

2 - 9

Sydney, Australia

Services provided

10% Blockchain

30% IT Strategy Consulting

25% CRM Consulting and SI +3

15% Custom Software Development

10% Robotics Process Automation

10% Web Design

Focus Areas

50% Smart Contract Development

50% Ethereum Development

Zero B.S. Is a CRM consulting and SI company. Their small team is based in Sydney, Australia. Their services include CRM consulting and SI and IT strategy consulting.
Read more

View Profile
Red Belly Blockchain

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Camperdown, Australia

Services provided

100% Blockchain

Focus Areas

30% Smart Contract Development

35% Ethereum Development

35% Initial Coin Offering Consulting

Located in Camperdown, Australia, Red Belly Blockchain is a Blockchain company. Founded in 2018, the team focuses on Blockchain.
Read more

View Profile
Smart Token Labs

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sydney, Australia

Services provided

100% Blockchain

Focus Areas

20% Smart Contract Development

20% Ethereum Development

20% Smart Contract Auditing +2

20% Tokenization

20% Web3

Founded in 2017, Smart Token Labs is a Blockchain company. Located in Sydney, Australia, the team provides Blockchain.
Read more

View Profile
AlphaWallet

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Sydney, Australia

Services provided

50% Blockchain

50% Blockchain Marketing

Focus Areas

40% Smart Contract Development

30% Ethereum Development

20% Initial Coin Offering Consulting +1

10% Tokenization

Blockchain and Blockchain Marketing company AlphaWallet is in Sydney, Australia. They offer Blockchain and Blockchain Marketing.
Read more

View Profile
Soda Digital

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Sydney, Australia

Services provided

10% Blockchain

20% Custom Software Development

15% AI Development +4

15% E-Commerce Development

15% Mobile App Development

15% Web Development

10% UX/UI Design

Focus Areas

100% Smart Contract Development

Soda Digital is a software development company. Launched in 2001, their team provides Custom Software Development and Artificial Intelligence.
Read more

View Profile
Kendell & York

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Surry Hills, Australia

Services provided

50% Blockchain

50% AI Consulting

Focus Areas

50% Smart Contract Development

50% Web3

Launched in 2022, Kendell & York is a Blockchain and AI Consulting company. The agency provides Blockchain and AI Consulting, and is small.
Read more

View Profile
VCG Digital

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Darlinghurst, Australia

Services provided

100% Blockchain

Focus Areas

60% Smart Contract Development

40% Ethereum Development

VCG Digital is a Blockchain company. They are in Darlinghurst, Australia and Canberra, Australia, and their services include Blockchain.
Read more

View Profile
MINDEVOLVED ™

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sydney, Australia

Services provided

40% Blockchain

30% Cybersecurity

30% Mobile App Development

Focus Areas

100% Smart Contract Development

Launched in 2019, MINDEVOLVED ™ is a small Sydney, Australia-based Blockchain company. Their team focuses on Blockchain and Cybersecurity.
Read more

View Profile

Tell us what you need — we’ll match you with top agencies in minutes.

Get My Matches

Why Trust Clutch

At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

In-depth client interviews and ratings
Comprehensive project details
Market presence
Portfolio examples and industry recognition

This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.

We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.

Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.

Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 SOTATEK JSC

2 Suffescom Solutions Inc

3 ERRNA

4 MobileFirst Applications

5 Hokma Consulting and Technology Solutions

6 AIS Technolabs

7 Kryptoninc®

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 7 Sydney Smart Contract Developers

SOTATEK JSC

$10,000+

$25 - $49 / hr

1,000 - 9,999

Sydney, Australia

Ability to deliver

36.2/40.0

16.6/20 Reviews

10/10 Clients & Experience

9.6/10 Market Presence

Service focus

45% Blockchain

35% Smart Contract Development

55% Other

View Profile Visit Website
Suffescom Solutions Inc

$25,000+

$25 - $49 / hr

250 - 999

Sydney, Australia

Ability to deliver

40/40.0

20/20 Reviews

10/10 Clients & Experience

10/10 Market Presence

Service focus

10% Blockchain

20% Smart Contract Development

90% Other

View Profile Visit Website
ERRNA

$5,000+

< $25 / hr

1,000 - 9,999

Sydney Olympic Park, Australia

Ability to deliver

32.9/40.0

16.2/20 Reviews

9.7/10 Clients & Experience

7/10 Market Presence

Service focus

60% Blockchain

20% Smart Contract Development

40% Other

View Profile Visit Website
MobileFirst Applications

$10,000+

$25 - $49 / hr

50 - 249

Parramatta, Australia

Ability to deliver

32.4/40.0

14.6/20 Reviews

8.9/10 Clients & Experience

8.9/10 Market Presence

Service focus

15% Blockchain

50% Smart Contract Development

85% Other

View Profile Visit Website
Hokma Consulting and Technology Solutions

$5,000+

$50 - $99 / hr

10 - 49

Rosehill, Australia

Ability to deliver

29/40.0

16.2/20 Reviews

6.4/10 Clients & Experience

6.4/10 Market Presence

Service focus

10% Blockchain

25% Smart Contract Development

90% Other

View Profile Visit Website
AIS Technolabs

$10,000+

$25 - $49 / hr

50 - 249

Engadine, Australia

Ability to deliver

24.3/40.0

12.6/20 Reviews

4/10 Clients & Experience

7.7/10 Market Presence

Service focus

10% Blockchain

50% Smart Contract Development

90% Other

View Profile Visit Website
Kryptoninc®

$5,000+

$25 - $49 / hr

10 - 49

Lane Cove, Australia

Ability to deliver

25/40.0

17.6/20 Reviews

2.2/10 Clients & Experience

5.2/10 Market Presence

Service focus

10% Blockchain

45% Smart Contract Development

90% Other

View Profile Visit Website
Mitosis Technologies

$10,000+

$25 - $49 / hr

250 - 999

Ultimo, Australia

Ability to deliver

9.3/40.0

0/20 Reviews

3.6/10 Clients & Experience

5.7/10 Market Presence

Service focus

20% Blockchain

50% Smart Contract Development

80% Other

View Profile Visit Website
Werkflo

Undisclosed

Undisclosed

2 - 9

North Sydney, Australia

Ability to deliver

5.3/40.0

0/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

25% Blockchain

100% Smart Contract Development

75% Other

View Profile Visit Website
Blockchain Developer

Undisclosed

Undisclosed

250 - 999

Sydney, Australia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

100% Blockchain

100% Smart Contract Development

View Profile Visit Website
Block8

Undisclosed

Undisclosed

10 - 49

Sydney, Australia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

100% Blockchain

50% Smart Contract Development

View Profile Visit Website
Adactin Group Pty. Ltd.

Undisclosed

Undisclosed

50 - 249

Parramatta, Australia

Ability to deliver

5.2/40.0

0/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

15% Blockchain

30% Smart Contract Development

85% Other

View Profile Visit Website
Zero B.S.

$5,000+

$150 - $199 / hr

2 - 9

Sydney, Australia

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

10% Blockchain

50% Smart Contract Development

90% Other

View Profile Visit Website
Red Belly Blockchain

Undisclosed

Undisclosed

2 - 9

Camperdown, Australia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

100% Blockchain

30% Smart Contract Development

View Profile Visit Website
Smart Token Labs

Undisclosed

Undisclosed

10 - 49

Sydney, Australia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

100% Blockchain

20% Smart Contract Development

View Profile Visit Website
AlphaWallet

Undisclosed

Undisclosed

2 - 9

Sydney, Australia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

50% Blockchain

40% Smart Contract Development

50% Other

View Profile Visit Website
Soda Digital

Undisclosed

Undisclosed

2 - 9

Sydney, Australia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

10% Blockchain

100% Smart Contract Development

90% Other

View Profile Visit Website
Kendell & York

Undisclosed

Undisclosed

2 - 9

Surry Hills, Australia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

50% Blockchain

50% Smart Contract Development

50% Other

View Profile Visit Website
VCG Digital

Undisclosed

Undisclosed

2 - 9

Darlinghurst, Australia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

100% Blockchain

60% Smart Contract Development

View Profile Visit Website
MINDEVOLVED ™

Undisclosed

Undisclosed

10 - 49

Sydney, Australia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

40% Blockchain

100% Smart Contract Development

60% Other

View Profile Visit Website

Similar Categories

Related Services

Web Developers in Sydney Software Developers in Sydney Mobile App Development in Sydney eCommerce in Sydney Artificial Intelligence in Sydney Blockchain in Sydney AR/VR in Sydney IoT in Sydney Ruby on Rails in Sydney

Specialties

Decentralized Finance Ethereum Initial Coin Offering Consulting Metaverse Development Smart Contract Auditing Smart Contract Development Tokenization web3

Get matched with the 5 best-fit agencies for your project—in 4 minutes or less.

Top Smart Contract Development Companies in Sydney

List of the Top Sydney Smart Contract Developers

Reviews mention Flexible

Mobile App Development for Dog Hostel

Mobile App Dev for Roadside Assistance Company

Website Development for Construction Company

Web Development For Design Agency

Blockchain Development for NFT Marketplace

Smart Contract Development Experience

Development Services for NFT Marketplace Company

Reviews mention Transparent

Secure Blockchain Infrastructure for Open Financial System

SEO, Web Redesign & Rebuild for Energy Efficiency Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Experienced

Blockchain Dev Services for Cryptocurrency Wallet

Web Development for Software Solutions Provider

Blockchain Development for Travel Platform

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Great team

App Development for Lifestyle Improvement App

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

Select Industry to see insights

Hokma Consulting and Technology Solutions is very responsive

Reviews mention Dedicated

SEO Services for Plumbing Services Company

Average Project Cost Breakdown

What Clients Have Said

Tell us what you need — we’ll match you with top agencies in minutes.

Why Trust Clutch

List of the Top 7 Sydney Smart Contract Developers

Similar Categories

Related Services

Specialties