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Top Blockchain Companies & Developers in Oslo

Ratings Updated: May 14, 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
    1 of 1 reviews is 5 stars
    1 new review for Blockchain services
    $10,000 – $49,000 avg. project cost

    Reviewed 1 time in the past 6 months

    Recent client feedback for Nextrope highlights a strong positive sentiment, emphasizing their proactive approach and adaptability. One CEO noted the team's commitment to understanding broader business contexts and providing thoughtful recommendations. The project outcomes included a 100% automated KYC/AML onboarding process and a significant reduction in manual work. Clients appreciated the team's agility in responding to evolving requirements, with one remarking on their impressive flexibility and ownership throughout the collaboration.
    Read 1 Recent Review
    1 of 1 Blockchain reviews are 5 stars
    1 new review for Blockchain in past 6 months
    $10,000 – $49,000 avg. project cost

    Blockchain PROJECT HIGHLIGHT

    Blockchain Platform Dev for Real Estate Investment Platform

    5.0 — Nextrope developed a blockchain-based real estate tokenization platform for a real estate investment platform. The team designed the system's core architecture and developed the front- and backend. Read more
    Read 1 Review

    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

    Average Project Cost Breakdown

    $10,000 to $49,000 (10) Less than $10,000 (4) $50,000 to $199,999 (2)

    What Clients Have Said

    Clients consistently regard Nextrope as providing excellent value for money, often highlighting the high quality of deliverables relative to costs. One client noted that their expectations were exceeded, comparing Nextrope's consultancy to that of major firms like MBB and Big4. Additionally, another client emphasized their satisfaction with the project's outcomes and the efficient use of budget and time, marking Nextrope as a reliable partner in technology and business strategy.
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    RedDuck Logotype

    RedDuck

    5.0 13 reviews
    $10,000+
    $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

    Industry Experience

    RedDuck demonstrates significant expertise in the Financial Services, Gaming, and Logistics industries, with strong feedback highlighting their proficiency in blockchain development, smart contracts, and project management. Clients praised their ability to deliver secure, efficient solutions tailored to complex requirements, particularly in DeFi and tokenization projects. Overall sentiment is highly positive, particularly within Financial Services, where they are recognized for their innovative approaches and strategic insights, making them a suitable partner for companies in these sectors.

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    Select Industry to see insights

    Financial services Other Industry Logistics & Supply Chain Gaming

    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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    More responsive than most other service providers

    RedDuck 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:

    Germany (1) India (1) South Africa (1) Thailand (1) Ukraine (1) United States (1) England (1)
    View Profile Visit Website
  • 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

    Reviews mention Exceeds expectations

    Clients consistently report that Altoros exceeds expectations in their work. One client highlighted their 100% satisfaction, noting excellent project management, delivery under budget, and ahead of schedule. Another client praised Altoros for their collaborative approach and impressive UX/UI work, stating they couldn't imagine working with any other firm. Overall, the sentiment reflects strong client satisfaction and a high level of trust in Altoros' capabilities.
    • Custom Software Dev for Healthcare Organization
      4.0 Jan 12, 2022

      I’m 100% satisfied with Altoros’ work, and they’ve exceeded my expectations. Altoros is excellent at project management. They’ve delivered the project under budget, ahead of schedule, and with a smile.

      Read Full Review
    • Web & App Dev for Interactive Social Platform
      5.0 May 20, 2019

      They’re responsive and exceed our expectations. Even though there’s a large time difference, we mainly communicate via Skype, and they try to find convenient times to talk. They’re more than just a hired company; they collaborate to make the best product possible.

      Read Full Review
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    Industry Experience

    Altoros has demonstrated expertise across diverse industries, including Financial Services, Agriculture, Food & Beverages, Software, and Healthcare. Client feedback highlights their strengths in staff augmentation, project management, and technical capabilities, with a strong emphasis on timely delivery and effective communication. Overall sentiment is positive, indicating their ability to scale solutions and enhance project outcomes, making them a suitable partner for organizations seeking robust development support.

    Read All Reviews

    Select Industry to see insights

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

    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)
    View Profile
  • 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

    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.

    Read All Reviews

    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

    Average Project Cost Breakdown

    $50,000 to $199,999 (8) $10,000 to $49,000 (6) $200,000 to $999,999 (6) Less than $10,000 (1)

    What Clients Have Said

    Client feedback regarding IdeaSoft.io indicates a positive sentiment towards the company's cost and value for money. Multiple reviewers highlighted that IdeaSoft's pricing was competitive and aligned well with their budgets. For instance, a COO noted 'pricing fit our budget' while another client appreciated the 'good value for cost.' Overall, clients expressed satisfaction with the quality of deliverables received relative to the investment made, reinforcing the perception of IdeaSoft as a cost-effective partner.
    Read All Reviews

    View projects from:

    Ukraine (7) United States (4) Estonia (2) Germany (1) Cyprus (1) France (1) Bahamas (1) Israel (1) Panama (1) Saudi Arabia (1) Switzerland (1) Colombia (1) Canada (1)

    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

    36.5/40.0
    17/20 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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