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Top Smart Contract Development Companies in Longueuil

Ratings Updated: April 30, 2025

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All Companies Services Guide

13 Companies

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6 Leaders 7 Contenders

13 Companies

Country: Canada

Province: Quebec

City: Longueuil

Blockchain Focus: Smart Contract Development

List of the Top Longueuil Smart Contract Developers

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Webisoft

4.9 11 reviews

$5,000+

$50 - $99 / hr

10 - 49

Montreal, Canada

Services provided

70% Blockchain

10% Business Consulting

10% Custom Software Development +1

10% Web Development

Focus Areas

70% Smart Contract Development

20% Web3

5% Ethereum Development +1

5% Initial Coin Offering Consulting

Webisoft is a blockchain development company specializing in creating cryptocurrency and Web3 solutions. The firm received overwhelmingly positive feedback, with clients appreciating their proactive project management and ability to deliver on time and within budget. Notably, 100% of reviewers highlighted their expertise in distributed ledger technology and smart contract development.

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Reviews mention Accommodating

Webisoft has received positive feedback regarding their accommodating nature, as evidenced by a client's remark on their flexibility to manage repeated pivots in design and feature sets. The client highlighted the constant and reliable communication from the team, noting that their patience and adaptability were greatly appreciated. Overall, the sentiment reflects a strong satisfaction with Webisoft's customer service, emphasizing their ability to deliver outstanding work while remaining responsive to client needs.

Web & Mobile App Dev for Blockchain Ticketing Service

5.0 Jul 18, 2022

The constant and reliable communication by both William and Phillip was a huge benefit to our team. More importantly, however, they were flexible enough to manage our repeated pivots re: design and feature sets. This level of customer service is difficult to come by nowadays, so their patience and adaptability were greatly appreciated.

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1 of 1 Blockchain reviews are 5 stars

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Smart Contract Dev for Game Dev Agency

5.0 — Webisoft provided smart contract development services for a game development agency. They developed smart contracts to govern all interactions of game features with the blockchain. They also Read more

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More responsive than most other service providers

Webisoft is very responsive

They are a great candidate to start a conversation with. Send them a short message or project inquiry.

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Canada (3)

United States (6)

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Underlabs Inc.

4.9 7 reviews

$25,000+

$100 - $149 / hr

10 - 49

Montréal, Canada

Services provided

15% Blockchain

50% Mobile App Development

15% AI Development +2

10% AI Consulting

10% Enterprise App Modernization

Focus Areas

75% Smart Contract Development

20% Ethereum Development

5% Initial Coin Offering Consulting

Underlabs Inc. is a versatile software development company specializing in creating mobile applications, websites, and digital solutions for various industries, including finance, real estate, culinary, agriculture, and education. Overall feedback is highly positive, with clients praising their expertise, creativity, and problem-solving abilities. Approximately 95% of reviews commend their project management and responsiveness, highlighting their ability to deliver functional and user-friendly products on time and within budget.

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Reviews mention Accommodating

Underlabs Inc. received positive feedback regarding their accommodating nature, with clients noting their willingness to develop any request made. One client highlighted that the team delivered flawlessly on both front and backend functionalities, emphasizing their responsiveness to needs. The project manager's proactive communication and organization were praised, allowing the client to monitor progress effectively. Overall, the sentiment reflects high satisfaction, with no areas for improvement identified.

Web Dev for Real Estate Company

5.0 Mar 6, 2024

The team's most impressive aspect was their ability to develop any request that we had. They delivered on the functionality of both the front-and backend, flawlessly.

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Average Project Cost Breakdown

$10,000 to $49,000 (2)

$50,000 to $199,999 (2)

What Clients Have Said

Underlabs Inc. generally receives positive feedback regarding their cost and value for money. Clients appreciate the competitive pricing and the quality of deliverables, with one stating they received 'a lot for what we paid.' Another client highlighted that they selected Underlabs for their 'good value for cost,' and noted that the end product was delivered on time and met expectations. Overall, clients feel they achieve significant outcomes without excessive expenditure, underscoring Underlabs' strong value proposition.

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Canada (4)

India (1)

United States (1)

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IdeaSoft.io

4.9 27 reviews

$50,000+

$50 - $99 / hr

50 - 249

Montréal, Canada

Services provided

30% Blockchain

10% AI Development

10% Custom Software Development +5

10% IT Strategy Consulting

10% Mobile App Development

10% Product Design

10% UX/UI Design

10% Web Development

Focus Areas

25% Smart Contract Development

30% Ethereum Development

30% Web3 +2

10% Metaverse Development

5% Initial Coin Offering Consulting

IdeaSoft is a Blockchain Development company specializing in smart contract development, decentralized application development, and cryptocurrency solutions. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their expertise, timely delivery, and cultural fit. Clients commend IdeaSoft for their deep knowledge in the blockchain space and their ability to act as true partners in project development.

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Average Project Cost Breakdown

$50,000 to $199,999 (10)

$10,000 to $49,000 (6)

$200,000 to $999,999 (6)

Less than $10,000 (1)

$1,000,000 to $9,999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients consistently highlight IdeaSoft.io's competitive pricing and overall value for money. For instance, one client from Crédit Agricole noted that their pricing fit within budget while maintaining high quality, while another client emphasized a 75% cost reduction achieved through efficient project management. Overall, feedback reflects strong satisfaction with the cost-effectiveness of their services, with many clients expressing that the expertise and responsiveness provided significant returns on their investment.

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Bahamas (1)

Canada (1)

Colombia (1)

Cyprus (1)

Estonia (2)

France (1)

Germany (1)

Israel (1)

Panama (1)

Saudi Arabia (1)

Switzerland (1)

Ukraine (7)

United States (4)

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small $6,000 Idea Validation medium $15,000 MVP Discovery large $20,000 Go-to-market Product Discovery

Discovery Phase in Blockchain Development

Our Discovery Phase offers a comprehensive initial stage, where we collaborate with our clients to precisely define project objectives, requirements, and scope. Through thorough research and strategic planning, we establish a robust development strategy before proceeding to the implementation of your solution.

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Brossard App Design

5.0 8 reviews

$25,000+

$50 - $99 / hr

10 - 49

Montréal, Canada

Services provided

14% Blockchain

55% Mobile App Development

19% AI Development +2

10% AR/VR Development

2% Web Development

Focus Areas

72% Smart Contract Development

16% Initial Coin Offering Consulting

12% Ethereum Development

Brossard App Design is a mobile app development company specializing in creating AI-driven applications, chatbots, and AR-integrated solutions. The company has received predominantly positive feedback, with clients praising their enthusiasm, effective project management, and human-centric approach. While clients appreciate their detailed planning and communication, some noted areas for improvement, such as meeting punctuality and language limitations in Quebec.

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Reviews mention Detail-oriented

Clients have praised Brossard App Design for their detail-oriented approach, highlighting the company's thorough planning and consistent follow-up. One client noted, 'They gave us a very detailed plan and follow-up was consistent,' which reflects their commitment to quality. However, there were minor concerns regarding punctuality in meetings, with clients mentioning delays of 15 to 20 minutes. Overall, the sentiment is highly positive regarding their attention to detail and dedication to delivering a quality product.

Chatbot Dev for Consulting Business

5.0 Jul 1, 2020

The company is very motivated to deliver a quality product, their enthusiasm is off the chart and they gave us a very detailed plan and follow up was consistent. Workflow was efficient. we received a development calendar from the get go and the Brossard app design team followed up with us 2 to 3 times per week and we talked to them every 14 days for consistent reports.

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Average Project Cost Breakdown

$10,000 to $49,000 (5)

Less than $10,000 (0)

$50,000 to $199,999 (0)

$200,000 to $999,999 (0)

$1,000,000 to $9,999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Brossard App Design is frequently praised for providing excellent value for money, with clients noting effective communication and flexibility in payment terms. One client highlighted their 'good rates and effective strategies,' while another appreciated the company's commitment to delivering quality products. However, some feedback mentioned that projects occasionally took longer than expected, which could impact perceived value. Overall, the sentiment is positive, reflecting satisfaction with the balance between cost and the quality of services provided.

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Canada (4)

United States (1)

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Clementius LLP

5.0 1 review

$25,000+

$25 - $49 / hr

10 - 49

Montréal, Canada

Services provided

70% Blockchain

30% Generative AI

Focus Areas

30% Smart Contract Development

30% Web3

20% Ethereum Development +1

20% Metaverse Development

Clementius LLP is a distinguished Blockchain Development company renowned for its expertise in Smart Contract Development and Blockchain Solutions. With 100% positive feedback, reviewers consistently praise their professionalism, financial efficiency, and exceptional project management. Clients highlight Clementius as a strategic partner rather than a mere service provider, appreciating their commitment to excellence and flexibility in meeting diverse project needs.

See all 1 projects
1 of 1 Blockchain reviews are 5 stars

$10,000 – $49,000 avg. project cost

Blockchain PROJECT HIGHLIGHT

Smart Contract Dev for Web3 & Blockchain Dev Company

5.0 — Clementius LLP provided smart contract development services for a Web3 and blockchain development company. Read more

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Average Project Cost Breakdown

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

What Clients Have Said

Client feedback highlights Clementius LLP's exceptional value for money, noting that their pricing aligns well with budget constraints while delivering outstanding results. One client emphasized that the project was completed under budget, allowing for reinvestment into further innovations. The overall sentiment reflects a strong appreciation for the company's commitment to excellence, flexibility, and proactive communication, reinforcing their status as a valued partner rather than just a service provider.

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Dpt.

5.0 1 review

$50,000+

$100 - $149 / hr

10 - 49

Montréal, Canada

Services provided

20% Blockchain

60% AR/VR Development

20% AI Development

Focus Areas

100% Smart Contract Development

Dpt. is a multimedia development company specializing in creating educational and user-friendly digital experiences, such as games and videos. Client reviews highlight their exceptional project management skills, aesthetic deliverables, and engaging solutions, with 100% of the feedback being positive and noting the user-friendliness of their work process.

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Average Project Cost Breakdown

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

Less than $10,000 (0)

$50,000 to $199,999 (0)

$200,000 to $999,999 (0)

$1,000,000 to $9,999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients have noted Dpt.'s competitive pricing and high-quality deliverables, emphasizing that their selection was influenced by both concept quality and cost. One client remarked on the 'impeccable work' and user-friendly project management, while another highlighted that the educational products met expectations in both content and aesthetics. Overall, feedback indicates that Dpt. provides excellent value for money, aligning well with client goals and budget considerations.

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NORTHMAN & PONARI

Not yet reviewed

$50,000+

Undisclosed

50 - 249

Montréal, Canada

Services provided

100% Blockchain

Focus Areas

34% Smart Contract Development

33% Ethereum Development

33% Initial Coin Offering Consulting

Blockchain company NORTHMAN & PONARI is located in Montréal, Canada. The team offers Blockchain.
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Web Dev Geo

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Montréal, Canada

Services provided

50% Blockchain

50% Social Media Marketing

Focus Areas

90% Smart Contract Development

10% Tokenization

Based in Montréal, Canada, Web Dev Geo is a small social media marketing company and Blockchain company. Their services include Social Media Marketing and Blockchain.
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Product Shop

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Montréal, Canada

Services provided

70% Blockchain

30% Blockchain Marketing

Focus Areas

50% Smart Contract Development

50% Web3

Founded in 2021, Product Shop is a Blockchain company. Their services include Blockchain and Blockchain Marketing.
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Indominus

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Montréal, Canada

Services provided

20% Blockchain

20% AI Development

20% Cybersecurity +2

20% DevOps Managed Services

20% Robotics Process Automation

Focus Areas

100% Smart Contract Development

Indominus is a Cybersecurity company. Established in 2017, the team offers Cybersecurity and Artificial Intelligence. The company is based in Montréal, Canada.
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Rastcom Canada

Not yet reviewed

$10,000+

Undisclosed

10 - 49

Montreal, Canada

Services provided

20% Blockchain

50% Mobile App Development

30% Custom Software Development

Focus Areas

20% Smart Contract Development

50% Ethereum Development

30% Initial Coin Offering Consulting

Rastcom Canada is a mobile app development firm. The Montreal, Canada-based firm was established in 2009. Their team focuses on Mobile App Development and Custom Software Development.
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DeFiSafety

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Montreal, Canada

Services provided

40% Blockchain

20% Blockchain Marketing

20% Cybersecurity +1

20% Digital Asset Management

Focus Areas

20% Smart Contract Development

30% Decentralized Finance

20% Ethereum Development +2

20% Smart Contract Auditing

10% Tokenization

DeFiSafety, a Blockchain company, is headquartered in Montreal, Canada. Their services include Blockchain and Cybersecurity.
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Artizyou

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Montréal, Canada

Services provided

100% Blockchain

Focus Areas

100% Smart Contract Development

Artizyou is a small Montréal, Canada-based Blockchain company. The team provides Blockchain.
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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 Webisoft

2 Underlabs Inc.

3 IdeaSoft.io

4 Brossard App Design

5 Clementius LLP

6 Dpt.

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. 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 6 Longueuil Smart Contract Developers

Webisoft

$5,000+

$50 - $99 / hr

10 - 49

Montreal, Canada

Ability to deliver

36.5/40.0

16.8/20 Reviews

10/10 Clients & Experience

9.7/10 Market Presence

Service focus

70% Blockchain

70% Smart Contract Development

30% Other

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Underlabs Inc.

$25,000+

$100 - $149 / hr

10 - 49

Montréal, Canada

Ability to deliver

34.3/40.0

16.2/20 Reviews

8.5/10 Clients & Experience

9.6/10 Market Presence

Service focus

15% Blockchain

75% Smart Contract Development

85% Other

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IdeaSoft.io

$50,000+

$50 - $99 / hr

50 - 249

Montréal, Canada

Ability to deliver

33.4/40.0

17.2/20 Reviews

9.8/10 Clients & Experience

6.5/10 Market Presence

Service focus

30% Blockchain

25% Smart Contract Development

70% Other

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Brossard App Design

$25,000+

$50 - $99 / hr

10 - 49

Montréal, Canada

Ability to deliver

28.7/40.0

16.2/20 Reviews

7/10 Clients & Experience

5.5/10 Market Presence

Service focus

14% Blockchain

72% Smart Contract Development

86% Other

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Clementius LLP

$25,000+

$25 - $49 / hr

10 - 49

Montréal, Canada

Ability to deliver

25.5/40.0

16.4/20 Reviews

4.6/10 Clients & Experience

4.6/10 Market Presence

Service focus

70% Blockchain

30% Smart Contract Development

30% Other

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Dpt.

$50,000+

$100 - $149 / hr

10 - 49

Montréal, Canada

Ability to deliver

26.4/40.0

16.2/20 Reviews

4.5/10 Clients & Experience

5.7/10 Market Presence

Service focus

20% Blockchain

100% Smart Contract Development

80% Other

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NORTHMAN & PONARI

$50,000+

Undisclosed

50 - 249

Montréal, Canada

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

100% Blockchain

34% Smart Contract Development

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Web Dev Geo

Undisclosed

Undisclosed

10 - 49

Montréal, Canada

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

50% Blockchain

90% Smart Contract Development

50% Other

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Product Shop

Undisclosed

Undisclosed

10 - 49

Montréal, Canada

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

70% Blockchain

50% Smart Contract Development

30% Other

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Indominus

Undisclosed

Undisclosed

2 - 9

Montréal, Canada

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% Blockchain

100% Smart Contract Development

80% Other

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Rastcom Canada

$10,000+

Undisclosed

10 - 49

Montreal, Canada

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

20% Blockchain

20% Smart Contract Development

80% Other

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DeFiSafety

Undisclosed

Undisclosed

2 - 9

Montreal, Canada

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

40% Blockchain

20% Smart Contract Development

60% Other

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Artizyou

Undisclosed

Undisclosed

2 - 9

Montréal, Canada

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

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Specialties

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

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Top Smart Contract Development Companies in Longueuil

List of the Top Longueuil Smart Contract Developers

Reviews mention Accommodating

Web & Mobile App Dev for Blockchain Ticketing Service

Smart Contract Dev for Game Dev Agency

Webisoft is very responsive

Reviews mention Accommodating

Web Dev for Real Estate Company

Average Project Cost Breakdown

What Clients Have Said

Average Project Cost Breakdown

What Clients Have Said

Discovery Phase in Blockchain Development

Reviews mention Detail-oriented

Chatbot Dev for Consulting Business

Average Project Cost Breakdown

What Clients Have Said

Smart Contract Dev for Web3 & Blockchain Dev Company

Average Project Cost Breakdown

What Clients Have Said

Average Project Cost Breakdown

What Clients Have Said

Get closer to kicking off your next project today

List of the Top 6 Longueuil Smart Contract Developers

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Specialties

Popular Locations