Find blockchain development companies that build secure, scalable solutions for real business use. Choose from vetted experts in smart contracts, dApps, and enterprise blockchain integration. 

NFT × $50,000 & Up ×
  • Blockchain | Web3 | DLT | Software Development

    Unicsoft is a Web3 and Blockchain development company with hands-on expertise across all major blockchain networks. Backed by 250+ completed projects and 20 years of experience, we develop cutting-edge software solutions helping startups and enterprises overcome their business challenges...

    Top Services:

    • Blockchain
    Location
    Mount Sterling, Kentucky
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    32 Projects Listed

    Unicsoft Services

    • Blockchain
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • MakerDao
    • AlphaWallet
    • New Frontier Markets (NFM)
    • YAPU
    • FIGS
    • CDK Global
    • Kokoro
    • Hoodifood
    • Goforit
    • SosSitter
    Data sourced from the agency's DesignRush profile

    Unicsoft Reviews & Testimonials

    • Tomasz Mierzwa
      Tomasz Mierzwa Lead Data Architect at MakerDAO
      5.0

      Big Data Analytics Review from Tomasz Mierzwa

      Very efficient and reliable resource provider. Quickly reacted to our request and provided an interesting suite of candidates. During the cooperation period always available and ready to help. Overall experience very good. Highly recommended.

    • Konstantin Ivanov
      Konstantin Ivanov Chief Digital Officer (CDO) at Atlantic Group (AGL)
      5.0

      Blockchain Review from Konstantin Ivanov

      We have been highly impressed by the close cooperation, pro-active team, and project execution within the schedule and budget. The intermediate results were demonstrated permanently and transparently every week. Enough attention was paid to documentation, which was really useful for our product's future scalability...

    • Mehdi Bellatig
      Mehdi Bellatig Founder at FranceVerif
      5.0

      AI Development Review from Mehdi Bellatig

      We needed a team to bring our idea to life within tight deadlines. We chose Unicsoft for broad expertise and involvement in the project from the beginning. Unicsoft proved deep expertise, readiness to do the extra miles to build the solution within tight deadlines.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Smartym Pro is a full-cycle development company specialized in mobile application and enterprise web development. Company has strong development culture and focuses on innovative solutions, using cutting edge technologies and frameworks. Smartym Pro is located in Eastern Europe and consists primarily of...

    Top Services:

    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • Blockchain
    • IT Services
    • Show more
    Location
    Warsaw, Poland
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    9 Projects Listed

    Smartym Pro Services

    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • Blockchain
    • IT Services
    • Web Development
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Coach-Apps
    • Heineken
    • Automagic
    • Pepsico
    • Sony (retailers)
    Data sourced from the agency's DesignRush profile

    Smartym Pro Reviews & Testimonials

    • Shaun Bennie
      Shaun Bennie Director at in5pire
      5.0

      Software Development Review from Shaun Bennie

      Co-funding’s collaboration with Smartym Pro began from discovery stage and design services for our online investor automation platform. In these initial stages Smartym demonstrated great skill and aptitude which convinced us to appoint them for the full MVP development part of the project. Smartym Pro’s team offered their vision to improve the quality of the delivered product. They met all deadlines and were keen to give great advice. It was a pleasure to work with Smartym Pro’s team.

    • Aleksander Stepanowicz
      Aleksander Stepanowicz CFO, co-founder at D-Factor Sp. z o.o.
      4.8

      Outsourcing Review from Aleksander Stepanowicz

      The Smartym Pro’s team has solid experience in development of web/mobile apps, blockchain platforms and smart contracts. We collaborate with Smartym Pro since June 2018 on 4 projects and are satisfied so far. The team is aware of cutting edge trends in emerging technologies and demonstrate willingness to contribute to the projects in an informal and creative way. And what is very important for us they tend to meet deadlines.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • AI & Blockchain Engineering Studio

    INC4 is an engineering studio for product teams building AI across Fintech, Trading, and Web3, founded in 2013. Deep-thinking engineering, embedded with your team.Fintech · Trading · Web3 Since 2013...

    Top Services:

    • AI Development
    • Blockchain
    • Software Development
    • Digital Services
    • Mobile App Development
    • Show more
    Location
    Kyiv, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed

    INC4 Services

    • AI Development
    • Blockchain
    • Software Development
    • Digital Services
    • Mobile App Development
    • IT Services
    • DevOps Consulting
    • UI/UX Design
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Nextadnet
    • JetHash
    • SmartyAds
    • AirDAO
    Data sourced from the agency's DesignRush profile

    INC4 Reviews & Testimonials

    • Liudmyla Osadcha
      Liudmyla Osadcha Head of Product at Open Forest Protocol
      5.0

      Software Development Review from Liudmyla Osadcha

      From wireframes to production release, INC4 built all of our user-facing products. The initial concept validation, design, and prototyping was created by our organization, but INC4 helped us to refine our interfaces and ensure the application logic was solid. As a result, we have collectively built and released four interconnected user-facing software applications that all are integrated with blockchain technology.This suite of applications is integral to our business. INC4 made our software products world-class in terms of usability, functionality, and reliability. Working with INC4 ensured our products were built and released on time and on budget.INC4 has a multitude of world-class project managers that make our work easy and fun. The project manager's excellence in communication, technical mastery, and expectation management ensure our project's delivery is of minimal concern. Delivery roadmaps are always communicated clearly and met without fail. The only time deadlines shift are when we (the clients) introduce new development criteria or features that take more time to build. However, even when this happens, the INC4 team are unflinchingly eager to accommodate our changes and adjust delivery processes accordingly. INC4 is efficient, agile, and thorough.The most impressive aspect of INC4 is how they seek to become truly invested in the development and success of each project they work on. They go beyond what is typically expected in this relationship, and are true partners who want to see our company grow. This provides a deep sense of security and trust for us as their clients.We never have to even consider INC4 taking shortcuts during the development journey because that kind of behavior is so opposed to their core organizational ethics. No matter what obstacles this organization faces, they adjust their development capacity accordingly and keep working with consistency & happy attitudes.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Qualified personnel rules!

    We are a joint venture of international entrepreneurs and developers. We focus on providing the high level of software development services to our clients that match our German standards. It always results in a very strong, maintainable and reliable software and complete satisfaction of the clients.The...

    Top Services:

    • Blockchain
    • Web Development
    • Software Testing
    • Mobile App Development
    • IoT
    • Show more
    Location
    Bad Nenndorf, Germany
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed

    German Standard Services

    • Blockchain
    • Web Development
    • Software Testing
    • Mobile App Development
    • IoT
    • Software Development
    • VR/AR
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Biome Nanomics
    • Exopulse
    • Kanu
    Data sourced from the agency's DesignRush profile

7 Frequently Asked Questions About Blockchain Development Companies

What services do blockchain development agencies offer?

Blockchain development agencies design, build, and support blockchain-based solutions that automate processes, improve transparency, and enable secure digital transactions. 

Common services include: 

  • Smart contract development and auditing: Writing self-executing code and reviewing it to prevent bugs, exploits, or costly failures  
  • dApp development: Building decentralized apps that run on blockchain networks instead of centralized servers  
  • Token development and NFT platforms: Creating digital tokens, cryptocurrencies, and marketplaces for trading assets  
  • Blockchain integration: Connecting blockchain with existing systems like web apps, enterprise software, or cloud platforms  
  • Private and enterprise blockchain solutions: Setting up custom networks for businesses that need control, privacy, and scalability  
  • Blockchain consulting: Advising on use cases, architecture, and whether blockchain is the right fit  
  • Wallet development: Building secure wallets for storing and managing digital assets  
  • Maintenance and support: Monitoring performance, fixing issues, and updating systems after launch 

What platforms do blockchain developers use?

Blockchain development firms use a mix of public networks, enterprise platforms, and developer tools to build, deploy, and manage blockchain solutions. They choose platforms based on speed, cost, scalability, and whether the project needs a public or private network. 

Key platforms and networks: 

  • Ethereum: The most widely used platform for smart contracts and decentralized applications  
  • Solana: Built for high speed and low fees, often used for scalable dApps and marketplaces  
  • Avalanche: A flexible platform that supports custom blockchain networks and fast transaction finality  
  • Hyperledger Fabric: Designed for private, permissioned systems used by enterprises  
  • Corda (R3): Common in finance and regulated industries where data privacy is critical  
  • IBM Blockchain: Enterprise-grade solution built on Hyperledger for secure business use cases  

Development tools and infrastructure that blockchain development agencies use: 

  • Node providers (e.g., Alchemy, Infura, QuickNode): Give developers access to blockchain networks without running their own nodes  
  • Smart contract tools (e.g., Remix IDE): Used to write, test, and deploy contract code  
  • Frameworks and CLIs (e.g., Ignite CLI): Help set up and manage blockchain projects faster 

How much do blockchain companies charge for their services?

Blockchain development companies typically charge from $40,000 to $300,000+ for a full solution, depending on complexity, features, and security requirements. 

Cost by project complexity 

The biggest cost driver is the solution's complexity, from basic smart contracts to full-scale platforms. 

  • Simple blockchain apps: $40,000 to $60,000 
    Basic features like simple smart contracts or payment functionality  
  • Mid-level applications: $60,000 to $150,000 
    dApps with user roles, integrations, and moderate decentralization  
  • Complex blockchain systems: $150,000 to $300,000+
    Enterprise platforms, advanced security, custom architecture 

Cost by solution type 

Different blockchain products have different price ranges based on functionality. 

  • dApps: $35,000 to $150,000  
  • NFT marketplaces: $55,000 to $125,000  
  • Crypto wallets: $125,000 to $200,000  
  • Crypto exchanges: $135,000 to $190,000  
  • DAO platforms: $10,000 to $30,000 

Cost breakdown across the project 

Your budget is split across multiple phases, not just development. 

  • Consulting and planning: 5%  
  • UI/UX design: 10%  
  • Core development: 45%  
  • Testing and QA: 25%  
  • Deployment and maintenance setup: 15% 

Final pricing depends on scope, security level, integrations, and whether you build on an existing blockchain or create a custom one. 

What are the ongoing costs of maintaining a blockchain solution?

Ongoing blockchain costs typically range from 15% to 25% of the initial development cost per year, depending on system complexity and usage.  

Key ongoing costs include: 

  • Maintenance and updates: Bug fixes, performance improvements, and feature upgrades  
  • Infrastructure: Node providers, cloud services, and storage as usage grows  
  • Security: Regular audits, monitoring, and protection against vulnerabilities  
  • Transaction fees: Ongoing network or gas fees for processing transactions  
  • Support and operations: Technical monitoring, DevOps, and user support  
  • Compliance: Legal, regulatory, and data protection requirements  

Costs increase as the system scales, handles more transactions, or requires higher security. 

How long does it take to build a blockchain solution?

The best blockchain development company typically needs 3 to 9+ months to build a blockchain solution, depending on complexity, features, and security requirements. 

Typical timeline by complexity: 

  • Simple solutions: 1 to 2 months 
    Basic wallets or simple smart contract apps  
  • Mid-level projects: 2 to 4 months 
    dApps with integrations and user functionality  
  • Complex systems: 4 to 9+ months 
    DeFi platforms, marketplaces, or enterprise solutions  

Blockchain development agencies build products in stages, and each is adding time: 

  • Planning and requirements: 1 to 2 weeks  
  • Architecture and design: 2 to 4 weeks  
  • Development: 1 to 6 months  
  • Testing and QA: 2 to 4 weeks  
  • Deployment: 1 to 2 weeks 

Factors that affect the timeline include scope and feature set, choice of blockchain platform, team experience, and whether you build from scratch or use existing tools.

What is the difference between public and private blockchains?

Public blockchains are open to anyone, while private blockchains are restricted to approved users and controlled by an organization. 

You can see the main differences in the following table: 

FeaturePublic blockchainPrivate blockchain
AccessAnyone can joinPermission required
ControlDecentralizedControlled by one entity or group
TransparencyFully transparentLimited visibility
SpeedSlowerFaster
CostHigher (transaction fees)Lower
SecurityHigh through decentralizationHigh, but depends on governance
Use casesCrypto, DeFi, NFTsEnterprise systems, internal operations

How do blockchain development agencies ensure security?

Blockchain development firms ensure security by combining secure coding, testing, and continuous monitoring to prevent vulnerabilities and protect data and transactions. 

Key security practices include: 

  • Smart contract audits: Reviewing code to detect bugs, exploits, and logic flaws before deployment  
  • Secure development practices: Using proven frameworks, code standards, and peer reviews  
  • Encryption and key management: Protecting data with cryptography and secure storage of private keys  
  • Testing and simulation: Running stress tests and attack scenarios to identify weaknesses  
  • Access control: Limiting permissions and enforcing authentication for users and systems  
  • Ongoing monitoring: Tracking activity, detecting threats, and applying updates or patches quickly  

Security is built into every stage, not added after deployment. 

 

 

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