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Top Smart Contract Development Companies in Montevideo

Ratings Updated: April 1, 2026
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5 Leaders 3 Contenders

8 Companies

Country: Uruguay
City: Montevideo
Blockchain Focus: Smart Contract Development

List of the Top Montevideo Smart Contract Developers

  • SpaceDev Logotype

    5.0 48 reviews
    Premier Verified
    $25,000+
    $50 - $99 / hr
    50 - 249
    Montevideo, Uruguay

    Services provided

    50% Blockchain
    10% Custom Software Development
    10% IT Staff Augmentation +3
    10% Mobile App Development
    10% UX/UI Design
    10% Web Development

    Focus Areas

    30% Smart Contract Development
    30% Web3
    25% Ethereum Development +2
    10% Metaverse Development
    5% Initial Coin Offering Consulting

    SpaceDev is a blockchain development company specializing in Blockchain Technology and Smart Contracts. They receive high praise for their project management and adaptability, with 100% of reviewers noting their professionalism and ability to meet deadlines. Their expertise in Web3 development and client satisfaction is consistently highlighted, with 90% of reviewers mentioning positive outcomes and successful project completions.

    See all 48 projects

    Reviews mention Customized support

    The feedback regarding SpaceDev's customized support is overwhelmingly positive. Clients appreciate their personalized approach, particularly how they adapt solutions to meet specific needs. One CEO noted, "Their ability to adapt to changing requirements and offer tailored solutions for such a dynamic market stood out." Additionally, their structured and agile project management ensured timely delivery and responsiveness to client needs, although some suggested improvements in internal testing planning.
    • Web & Mobile App Development for Music Social Network
      5.0 Feb 19, 2025

      The most impressive thing about this company is its comprehensive and personalized approach to the development of Glowy Music. Not only are they creating a platform that covers multiple aspects of the music industry, but they are ensuring that each functionality is designed to meet the specific needs of artists, producers and fans in LATAM. Their ability to adapt to changing requirements and offer tailored solutions for such a dynamic market stood out.

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    Industry Experience

    SpaceDev has demonstrated extensive expertise across various industries, including Financial Services, Software, Education, and Healthcare. Clients commend their project management, technical proficiency, and ability to meet tight deadlines. Positive feedback highlights their strong communication skills, adaptability, and commitment to client satisfaction. Industries particularly suited for collaboration with SpaceDev include Financial Services and Software development, where their agile approach and innovative solutions have consistently resulted in successful project outcomes.

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    Select Industry to see insights

    Human Resources Banks Consumer Products Social Networking Information technology Software Wellness & Fitness Arts, entertainment & music IT Services Supply Chain, Logistics, and Transport Education Beauty & Cosmetics Logistics & Supply Chain eCommerce Healthcare Other Industry Advertising & marketing Retail Construction Business services Research Financial services

    Average Project Cost Breakdown

    $10,000 to $49,000 (12) $50,000 to $199,999 (11) $200,000 to $999,999 (6) Less than $10,000 (4) $1,000,000 to $9,999,999 (1)

    What Clients Have Said

    Clients consistently praised SpaceDev for providing excellent value for money, with many noting that their pricing fit within budgets while delivering high-quality results. For instance, one client highlighted that SpaceDev's 'pricing fit our budget' and emphasized the 'good value for cost.' Overall sentiment reflects satisfaction with the cost-to-value ratio, with clients stating they received 'good, no-BS client communication' and appreciated the team's responsiveness and adaptability to project needs.
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    Montevideo, Uruguay

    2857 Cornelio Cantera
    Montevideo, Uruguay 11600

    21 - 30

    +1 855-640-6380

    See All Locations (4)
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  • INMIND Logotype

    5.0 25 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Montevideo, Uruguay

    Services provided

    50% Blockchain
    40% Mobile App Development
    10% Web Development

    Focus Areas

    90% Smart Contract Development
    5% Ethereum Development
    5% Initial Coin Offering Consulting

    INMIND is a Blockchain Development company praised for its comprehensive service offerings, including smart contract development and Web3 blockchain expertise. Clients commend their effective project management and technical expertise, with 100% positive feedback on their collaboration and problem-solving skills. Reviewers frequently highlight the team's proactive approach and trustworthiness, particularly the contributions of their co-founders, Juan and Omar.

    See all 25 projects

    Reviews mention Puts the customer first

    Overall, client feedback indicates that INMIND prioritizes customer satisfaction. One client noted that INMIND willingly addressed out-of-scope requests without charging unreasonable fees, demonstrating a commitment to client needs. Additionally, they appreciated the efficient communication and direct interaction with engineers, which enhanced project management. The client expressed satisfaction with the app's performance and their ongoing collaboration, highlighting INMIND's proactive approach in fostering a positive working relationship.
    • iOS & Android App Dev for Cryptocurrency Company
      5.0 Mar 9, 2018

      We’re enjoy working with INMIND. They put the app on GitHub for our client, even though that wasn’t part of the original scope. We’re planning another project similar in size to the current one.

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    • iOS & Android App Dev for Cryptocurrency Company
      5.0 Mar 9, 2018

      They care about keeping the customer happy. Most agencies try to extract fees out of their clients, but INMIND won’t always charge for out-of-scope requests if they’re reasonable. When we do pay extra, the costs are fair for what we’re asking.

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    • iOS & Android App Dev for Cryptocurrency Company
      5.0 Mar 9, 2018

      It’s important to define the scope early to prevent surprises. Some clients make unexpected requests, unaware of how much work goes into fulfilling them. INMIND will help set those parameters and the corresponding budget.

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    0 of 1 Smart Contract Development reviews is 5 stars
    $50,000 – $199,999 avg. project cost

    Smart Contract Development Experience

    Overall feedback on INMIND's Smart Contract Development service is highly positive, with 100% of reviewers expressing satisfaction with their expertise and project management capabilities. Clients highlight their proactive approach, transparency, and effective project management, which facilitated the launch of multiple products. Notable strengths include a collaborative team led by responsive co-founders, contributing to trust and reliability. Reviewers appreciate their flexibility and technical awareness, indicating a strong impact on project success.

    Read Most Recent Review

    View projects from:

    United States (18) Uruguay (2) Canada (1) Liechtenstein (1)

    Review Rating from Clients

    5.0/5.0

    Quality

    5.0

    Schedule

    5.0

    Cost

    5.0

    Willing to Refer

    5.0

    Uruguayan client Cannabis Uruguay praises INMIND for their expertise in developing blockchain-based traceability systems for agriculture. They highlight the team's professionalism, swift execution, and ability to meet deadlines, resulting in increased product value and customer loyalty. INMIND's team is seen as highly reliable and committed.
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  • Infuy Logotype

    5.0 31 reviews
    $25,000+
    $50 - $99 / hr
    50 - 249
    Montevideo, Uruguay

    Services provided

    20% Blockchain
    20% Generative AI
    20% IT Staff Augmentation +2
    20% Mobile App Development
    20% Web Development

    Focus Areas

    20% Smart Contract Development
    20% Decentralized Finance
    20% Ethereum Development +2
    20% Tokenization
    20% Web3

    Infuy is a distinguished blockchain development company specializing in smart contract development, cryptocurrency development, and decentralized system development. Their services consistently receive high acclaim for timely delivery, high-quality code, and effective communication. With a 100% positive feedback rate, clients highlight Infuy's expertise in blockchain technology and innovative solutions tailored to diverse industry needs.

    See all 31 projects
    9 of 9 Blockchain reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Blockchain PROJECT HIGHLIGHT

    Web Dev & Blockchain Integration for IT & Business Consulting Firm

    5.0 — Infuy is developing a crowdfunding platform with blockchain integration for an IT and business consulting firm. The team is creating a user-friendly interface to track transactions and invest in Read more
    Read 9 Reviews

    Industry Experience

    Infuy has demonstrated expertise across various industries, including Information Technology, IT Services, Software, Financial Services, Retail, and Engineering. Feedback highlights their strengths in blockchain development, project management, and customer-centric solutions. Clients commend their technical prowess, responsiveness, and ability to deliver innovative solutions. The overall sentiment is highly positive, particularly in sectors requiring secure and efficient digital solutions, such as financial services and software development.

    Read All Reviews

    Select Industry to see insights

    Information technology IT Services Software Engineering Financial services Design Other Industry Food & Beverages Retail Motion Pictures & Film Logistics & Supply Chain
    $5,600 Best for startups companies $7,000 Best for national companies $9,000 Best for large/international companies

    Product Discovery

    Our Blockchain Discovery Package offers businesses a comprehensive 10-day consultancy program designed to explore and evaluate the potential of blockchain technology for their specific use cases.
    View Packages

    Review Rating from Clients

    4.8/5.0

    Quality

    5.0

    Schedule

    5.0

    Cost

    4.8

    Willing to Refer

    5.0

    Based in Montevideo, Infuy is recognized for its strong experience in frontend React projects, e-commerce platforms, and institutional portals. Clients highlight their agility, effective communication, and ability to handle complex solutions, leading to increased sales and improved client engagement.
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  • ZirconTech Logotype

    4.7 12 reviews
    $25,000+
    $50 - $99 / hr
    10 - 49
    Montevideo, Uruguay

    Services provided

    20% Blockchain
    20% AI Development
    10% AR/VR Development +5
    10% Cloud Consulting & SI
    10% IT Staff Augmentation
    10% IoT Development
    10% Low/No Code Development
    10% Web Development

    Focus Areas

    20% Smart Contract Development
    20% Ethereum Development
    20% Metaverse Development +3
    20% Web3
    10% Decentralized Finance
    10% Tokenization

    ZirconTech is a Blockchain Development company specializing in Blockchain Solutions, Smart Contract Development, and Decentralized System Development. Their reviews highlight a strong reputation for flexibility, adaptability, and organized project management, with 100% of reviewers noting on-time deliverables and personalized follow-up, leading to successful project outcomes.

    See all 12 projects

    Reviews mention Great team

    Clients have consistently praised ZirconTech for their exceptional teamwork and responsiveness. One client highlighted their 'excellent and very quick' project management style, noting the team's availability and collaborative spirit. Another emphasized their impressive ability to handle chaotic situations while maintaining clear communication about risks and solutions. Overall, the sentiment reflects a strong appreciation for the team's commitment to partnership and transparency, contributing significantly to project success.
    • Web Development for Digital Philanthropy Agency
      5.0 Nov 15, 2021

      Excellent and very quick. Always available and great team work. Very responsable and considerate.

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    0 of 1 reviews is 5 stars
    $10,000 – $49,000 avg. project cost

    Reviewed 1 time in the past 6 months

    Recent client feedback on ZirconTech indicates a significant level of dissatisfaction, particularly regarding backend/API development in Java. One client highlighted that the delivered endpoints were incomplete and poorly tested, leading to additional costs and reputational risks. While the GCP DevOps engineer received praise for reliability, overall project management was criticized for lacking accountability and timely delivery. Areas for improvement include adherence to software standards and better internal governance.
    Read 1 Recent Review

    Average Project Cost Breakdown

    $10,000 to $49,000 (7) $200,000 to $999,999 (2) Less than $10,000 (1)

    What Clients Have Said

    Overall, client feedback regarding ZirconTech's cost and value for money is positive. Clients noted that they delivered projects on time and within budget, exemplified by one client who stated, 'They delivered the scope on time and within budget.' Another highlighted their adaptability and responsiveness, indicating that they provided great value without compromising quality. However, one review pointed out issues with project management and delivery standards, leading to additional costs. Overall, clients appreciate the balance of cost-effectiveness and quality.
    Read All Reviews

    Review Rating from Clients

    1.0/5.0

    Quality

    1.5

    Schedule

    1.0

    Cost

    1.0

    Willing to Refer

    1.0

    Montevideo-based clients highlight ZirconTech's expertise in backend/API development and DevOps support, though project management and deliverable quality have been inconsistent. Their team demonstrates reliability in cloud infrastructure tasks, but software development standards and accountability need improvement for complex projects.
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  • BlockBear Logotype

    4.8 3 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Montevideo, Uruguay

    Services provided

    20% Blockchain
    20% Business Consulting
    20% IT Staff Augmentation +3
    20% Mobile App Development
    10% Custom Software Development
    10% Web Design

    Focus Areas

    10% Smart Contract Development
    20% Decentralized Finance
    20% Tokenization +4
    20% Web3
    10% Ethereum Development
    10% Initial Coin Offering Consulting
    10% Metaverse Development

    BlockBear is a blockchain development and consultancy company specializing in traceability solutions and cryptocurrency-based payment systems. They have garnered 100% positive feedback, with clients praising their industry knowledge and professional execution. Reviewers consistently highlight their effective consulting approach and ability to tailor solutions to specific business needs.

    See all 3 projects

    Reviews mention Team players

    Clients commend BlockBear for their collaborative approach and commitment to understanding project requirements. One client highlighted their team's eagerness to learn about the fashion industry to better serve specific needs. The workflow was described as professional, with effective communication through various channels. Overall, the sentiment reflects strong appreciation for BlockBear's team-oriented mindset and their ability to engage deeply with client projects.
    • Mobile & Web App Dev for Fashion Blockchain Startup Company
      5.0 Apr 11, 2022

      The whole project was executed professionally and within the specified times. Their team was really involved with our project from day one, being IT people that had no previous experience working in our industry (fashion) they were eager to learn how our business work to serve our needs better.

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    Industry Experience

    BlockBear has demonstrated expertise in the Arts, Entertainment & Music, and Education sectors, focusing on developing blockchain solutions for transparency and payment systems. In the fashion industry, they successfully built a traceability platform for over 220 LATAM companies, enhancing consumer confidence. In education, they assisted an edtech platform in exploring cryptocurrency-based payment solutions, delivering results on time. Overall, feedback indicates strong project management, a consultative approach, and an ability to adapt to client needs, making them a suitable partner in these industries.

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    Select Industry to see insights

    Arts, entertainment & music Education

    Average Project Cost Breakdown

    Less than $10,000 (2)

    What Clients Have Said

    Clients have expressed strong satisfaction with BlockBear's cost and value for money, noting that they delivered projects on time and met all agreed-upon expectations. One CEO remarked on the thoroughness of their consultancy and the quality of the blockchain-based solutions provided, stating, 'Their assistance proved very helpful.' Overall, feedback indicates that BlockBear offers competitive pricing while ensuring high-quality deliverables that align well with client needs.
    Read All Reviews

    Review Rating from Clients

    5.0/5.0

    Quality

    5.0

    Schedule

    5.0

    Cost

    5.0

    Willing to Refer

    5.0

    Montevideo-based BlockBear developed a blockchain traceability platform for LATAM's sustainable fashion industry, serving over 220 companies. Their team demonstrated strong industry knowledge, professionalism, and adaptability, delivering complex web and mobile solutions that enhanced transparency and consumer confidence.
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  • Perceptiva Logotype

    Not yet reviewed

    $50,000+
    $25 - $49 / hr
    2 - 9
    Montevideo, Uruguay

    Services provided

    15% Blockchain
    25% IT Strategy Consulting
    25% IoT Development +3
    15% Web Development
    10% AR/VR Development
    10% Mobile App Development

    Focus Areas

    100% Smart Contract Development

    IoT development company Perceptiva is in Montevideo, Uruguay. The team focuses on IoT development and IT strategy consulting.

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  • Arcanix Logotype

    5.0 1 review
    Undisclosed
    $25 - $49 / hr
    2 - 9
    Montevideo, Uruguay

    Services provided

    10% Blockchain
    35% Custom Software Development
    25% Web Development +2
    20% Mobile App Development
    10% Robotics Process Automation

    Focus Areas

    50% Smart Contract Development
    30% Ethereum Development
    20% Web3

    Arcanix specializes in software development with a particular focus on creating cryptocurrency exchange platforms, as demonstrated by their successful project for Uruguay's first cryptocurrency exchange. Their reviews highlight efficient project management, timely deliveries, and a deep understanding of business needs, resulting in high client satisfaction and impressive outcomes.

    See all 1 projects
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  • ETHERNITY.LIVE Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Montevideo, Uruguay

    Services provided

    20% Blockchain
    20% Custom Software Development
    20% Mobile App Development +3
    20% Web Development
    10% BI & Big Data Consulting & SI
    10% Blockchain Marketing

    Focus Areas

    30% Smart Contract Development
    40% Ethereum Development
    30% Web3

    ETHERNITY.LIVE is a custom software development company. Their small team is headquartered in Montevideo, Uruguay. Their services include Custom Software Development and Web Development.

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

1 SpaceDev
2 INMIND
3 Infuy
4 ZirconTech
5 BlockBear

List of the Top 5 Montevideo Smart Contract Developers

  1. SpaceDev Logotype

    SpaceDev

    $25,000+
    $50 - $99 / hr
    50 - 249
    Montevideo, Uruguay

    Ability to deliver

    39.2/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    50% Blockchain
    30% Smart Contract Development
    50% Other
    View Profile Visit Website
  2. INMIND Logotype

    INMIND

    $10,000+
    $50 - $99 / hr
    10 - 49
    Montevideo, Uruguay

    Ability to deliver

    33.4/40.0
    16.6/20 Reviews
    9.6/10 Clients & Experience
    7.3/10 Market Presence

    Service focus

    50% Blockchain
    90% Smart Contract Development
    50% Other
    View Profile Visit Website
  3. Infuy Logotype

    Infuy

    $25,000+
    $50 - $99 / hr
    50 - 249
    Montevideo, Uruguay

    Ability to deliver

    36.2/40.0
    18/20 Reviews
    10/10 Clients & Experience
    8.2/10 Market Presence

    Service focus

    20% Blockchain
    20% Smart Contract Development
    80% Other
    View Profile Visit Website
  4. ZirconTech Logotype

    ZirconTech

    $25,000+
    $50 - $99 / hr
    10 - 49
    Montevideo, Uruguay

    Ability to deliver

    32.1/40.0
    15.4/20 Reviews
    9.9/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

    20% Blockchain
    20% Smart Contract Development
    80% Other
    View Profile Visit Website
  5. BlockBear Logotype

    BlockBear

    $10,000+
    $25 - $49 / hr
    10 - 49
    Montevideo, Uruguay

    Ability to deliver

    25.8/40.0
    15.6/20 Reviews
    5/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    20% Blockchain
    10% Smart Contract Development
    80% Other
    View Profile Visit Website
  6. Perceptiva Logotype

    Perceptiva

    $50,000+
    $25 - $49 / hr
    2 - 9
    Montevideo, Uruguay

    Ability to deliver

    5.2/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    15% Blockchain
    100% Smart Contract Development
    85% Other
    View Profile Visit Website
  7. Arcanix Logotype

    Arcanix

    Undisclosed
    $25 - $49 / hr
    2 - 9
    Montevideo, Uruguay

    Ability to deliver

    7.1/40.0
    0/20 Reviews
    3.1/10 Clients & Experience
    4/10 Market Presence

    Service focus

    10% Blockchain
    50% Smart Contract Development
    90% Other
    View Profile Visit Website
  8. ETHERNITY.LIVE Logotype

    ETHERNITY.LIVE

    Undisclosed
    Undisclosed
    2 - 9
    Montevideo, Uruguay

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Blockchain
    30% Smart Contract Development
    80% Other
    View Profile Visit Website

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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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