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Top Blockchain Companies & Developers in Oslo

Ratings Updated: June 13, 2026
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2 Leaders 1 Contenders

3 Companies

Country: Norway
City: Oslo

List of the Top Oslo Blockchain Development Companies

  • Featured

    What are Featured Providers?

    Nextrope Logotype

    Nextrope

    5.0 18 reviews
    Premier Verified
    $25,000+
    $50 - $99 / hr
    10 - 49
    Serves Oslo, Norway

    Services provided

    70% Blockchain
    30% Custom Software Development

    Nextrope is a Blockchain Development company specializing in Blockchain Solutions, Smart Contract Development, and Crypto Application Development. All reviews highlight their proactive approach, adaptability, and strong sense of ownership, with 100% positive feedback on their ability to align technological and business strategies effectively. Their expertise contributed to a 60% reduction in manual work and faster investment processes.

    See all 18 projects

    Reviews mention Proactive

    Nextrope has received consistently positive feedback regarding their proactive approach to project management. Clients noted their commitment to understanding broader business contexts, as exemplified by one CEO who appreciated their ability to challenge assumptions and provide thoughtful recommendations. Another client highlighted the team's proactive communication and timely updates, ensuring constant engagement throughout the project. Overall, the sentiment reflects satisfaction with Nextrope's ability to deliver results while maintaining a high level of responsiveness and adaptability.
    • Tokenization Platform for IT Service Provider
      5.0 Mar 17, 2022

      The Nextrope team was very well coordinated. They were serious about deadlines and were very proactive when it came to reporting. We were in constant contact with the Project Manager via Slack and phone so we felt always involved in the project.

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    • Blockchain Platform Dev for Real Estate Investment Platform
      5.0 Dec 5, 2025

      Beyond their flexibility, what I valued the most was the team’s proactive approach. Nextrope does not focus solely on the technology itself; they take the time to understand the broader business context and continuously advise on whether certain technical decisions will positively impact the overall product and protocol. Their willingness to challenge assumptions, provide thoughtful recommendations, and look at the project holistically made a real difference.

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    Industry Experience

    Nextrope has demonstrated expertise across various industries, notably in Business Services, Financial Services, Blockchain, and Real Estate. Clients commend their high-quality deliverables, timely project management, and deep understanding of technology, particularly in blockchain solutions. The overall sentiment is overwhelmingly positive, with businesses in PropTech, EdTech, and Finance praising Nextrope's ability to innovate and enhance operational efficiency. Their consulting and development services have significantly impacted clients' strategic goals, making them a strong fit for projects in these sectors.

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    Select Industry to see insights

    Business services IT Services Financial services Education Manufacturing Engineering Retail Information technology Media Real estate

    More responsive than most other service providers

    Nextrope is very responsive

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

    View projects from:

    Poland (11) United Arab Emirates (2) Estonia (1) Norway (1) England (1)
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    RedDuck Logotype

    RedDuck

    5.0 13 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Serves Oslo, Norway

    Services provided

    100% Blockchain

    RedDuck is a blockchain development company specializing in delivering comprehensive blockchain solutions, including smart contract development, distributed ledger technology, and decentralized application (DApp) development. Clients consistently praise their technical precision, proactive communication, and ability to deliver projects on time, with a 100% satisfaction rate highlighted across multiple reviews. Their expertise in blockchain technology and strategic product development is noteworthy.

    See all 13 projects

    Reviews mention Knowledgeable

    Clients express strong confidence in RedDuck's expertise, highlighting their comprehensive knowledge in development and project management. One client noted, 'Their way of thinking stands out... they bring in information out of another corner, which shows their knowledge.' Additionally, they consistently deliver results ahead of schedule, reinforcing their reliability and understanding of the market. Overall, the sentiment reflects a high level of satisfaction with RedDuck's knowledgeable approach to project execution.
    • Web Development for Blockchain Game
      5.0 Jan 27, 2022

      Their way of thinking stands out. Today, it’s all about the market. RedDuck is interested in similar projects, and they’ve been hanging around in the market too. If we talk to them and come up with ideas, they bring in information out of another corner, which shows their knowledge.

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    5 of 5 Blockchain reviews are 5 stars
    2 new reviews for Blockchain in past 6 months
    $50,000 – $199,999 avg. project cost

    Blockchain PROJECT HIGHLIGHT

    Blockchain Development for FinTech Company

    5.0 — RedDuck developed a DeFi platform for a financial technology company. The team built the client's smart contracts, backend infrastructure, frontend app, user dashboard, landing website, and a Read more
    Read 5 Reviews

    Average Project Cost Breakdown

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

    What Clients Have Said

    Clients consistently praised RedDuck for offering excellent value for money and fitting within their budgetary constraints. One client noted their 'good value for cost' and another highlighted that their pricing 'fit our budget.' Overall sentiment reflects satisfaction with the company's pricing relative to the quality of services provided, with multiple reviews emphasizing timely delivery and effective project management as key aspects of their positive experience.
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    View projects from:

    Germany (1) India (1) South Africa (1) Thailand (1) Ukraine (1) United States (1) England (1)
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  • Altoros Logotype

    4.8 34 reviews
    $25,000+
    $50 - $99 / hr
    250 - 999
    Oslo, Norway

    Services provided

    40% Blockchain
    25% Custom Software Development
    10% Enterprise App Modernization +4 services
    10% Web Development
    5% IT Staff Augmentation
    5% Microservices Architecture Services
    5% Mobile App Development

    Altoros is a versatile software development company offering a range of services, including custom software development, web development, and UX design. Client reviews highlight their high-quality work, effective communication, and ability to integrate seamlessly with in-house teams. Approximately 80% of reviewers commend their professionalism and timely delivery, while some suggest room for improvement in language proficiency.

    See all 34 projects

    Industry Experience

    Altoros has received positive feedback across various industries, particularly in financial services, where they demonstrated expertise in fintech application development, resulting in enhanced operational efficiency and client acquisition. In agriculture technology, their collaborative approach was praised for timely feature delivery. In food and beverage, they were recognized for effective mobile app development. Overall, clients commend Altoros for their strong communication, adaptability, and technical proficiency, making them a suitable partner for projects in financial services, agriculture, and software development.

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    Select Industry to see insights

    Financial services Agriculture Food & Beverages Software Engineering Healthcare IT Services Advertising & marketing Other Industry Information technology Research Consumer Products Media

    View projects from:

    United States (15) Norway (2) Switzerland (2) Australia (2) Germany (2) Finland (1) Israel (1) Poland (1) Singapore (1) South Africa (1) Sweden (1) Denmark (1) Canada (1) England (1)

    Oslo, Norway

    2 Tordenskiolds gate
    Oslo, Norway 0160

    16 - 20

    +47 21 92 93 00

    See All Locations (11)

    Review Rating from Clients

    4.8/5.0

    Quality

    4.8

    Schedule

    4.8

    Cost

    4.5

    Willing to Refer

    5.0

    Oslo-based clients praise Altoros for their expertise in native iOS app development, including complex features like electronic signing and security. They highlight the team's professionalism, effective communication, and reliable project delivery over long-term collaborations, demonstrating deep technical knowledge and proactive problem-solving.
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  • IdeaSoft.io Logotype

    4.9 27 reviews
    $50,000+
    $50 - $99 / hr
    50 - 249
    Oslo, Norway

    Services provided

    75% Blockchain
    5% AI Development
    5% Custom Software Development +3 services
    5% Mobile App Development
    5% UX/UI Design
    5% Web Development

    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.

    See all 27 projects

    Reviews mention Puts the customer first

    IdeaSoft consistently prioritizes customer satisfaction, as highlighted in client feedback. One client noted their 'service and attention... went beyond expectations and care,' while another commended their 'outstanding' work ethic and meticulous project management. Clients appreciate the company's empathetic approach and commitment to building long-term relationships, with one stating they 'walk the extra mile' to address customer needs. Overall, the sentiment reflects a strong focus on putting the customer first, fostering trust and collaboration.
    • Recruitment Services for Diversified Firm
      5.0 Nov 3, 2021

      The project management style was excellent and meticulous. Their character and work ethic has been outstanding, consistently showing a dedication to the client's needs.

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    • Blockchain Dev for Blockchain Network
      4.5 Nov 1, 2021

      The most remarkable feature of IDEASOFT is the understanding of the business they are in, including sometimes the pain that the customer suffers. They just not conduct business as usual but also walk the extra mile when it comes to satisfy the business, looking for a long term relationship with the customer.

      Read Full Review
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    Industry Experience

    IdeaSoft.io has demonstrated significant expertise across various industries, particularly in Financial Services, Engineering, Nonprofit, and IT Services. Clients have praised their strong project management, technical proficiency, and ability to deliver on innovative projects. In Financial Services, they excelled in blockchain and digital wallet solutions. Their engineering capabilities were noted in smart contract development, while their nonprofit collaborations showcased effective product design. Overall, feedback reflects high satisfaction, highlighting IdeaSoft's commitment to quality and strong client relationships across these sectors.

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    Select Industry to see insights

    Financial services Engineering Nonprofit Arts, entertainment & music Consulting Real estate Telecommunications Other Industry IT Services Business services Software Transportation Advertising & marketing Information technology
    $6,000 Idea Validation $15,000 MVP Discovery $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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    Oslo, Norway

    Nedre Vollgate 3 c/o, The Factory
    Oslo, Norway 0158

    2 - 5

    See All Locations (6)
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  • BitSpace Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Oslo, Norway

    Services provided

    40% Blockchain
    40% IoT Development
    20% AI Development

    BitSpace, an IoT development company, is based in Oslo, Norway. Their services include IoT development and Blockchain.

    Read more
    View Profile

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1 Altoros
2 IdeaSoft.io

List of the Top 2 Oslo Blockchain Development Companies

  1. Altoros Logotype

    Altoros

    $25,000+
    $50 - $99 / hr
    250 - 999
    Oslo, Norway

    Ability to deliver

    35.7/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    40% Blockchain
    60% Other
    View Profile Visit Website
  2. IdeaSoft.io Logotype

    IdeaSoft.io

    $50,000+
    $50 - $99 / hr
    50 - 249
    Oslo, Norway

    Ability to deliver

    32.2/40.0
    16.4/20 Reviews
    9.8/10 Clients & Experience
    6.1/10 Market Presence

    Service focus

    75% Blockchain
    25% Other
    View Profile Visit Website
  3. BitSpace Logotype

    BitSpace

    Undisclosed
    Undisclosed
    10 - 49
    Oslo, Norway

    Ability to deliver

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

    Service focus

    40% Blockchain
    60% Other
    View Profile Visit Website

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