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. 

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  • Software Development Partner

    Dev.Pro is a software and smart contract development partner that allows innovative technology companies to amplify their growth ambitions and expedite time-to-market...

    Top Services:

    • Software Development
    • Blockchain
    • Mobile App Development
    • Cloud Consulting
    • Digital Services
    • Show more
    Location
    Charlotte, North Carolina
    Number of Employees
    500 - 999
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    6 Projects Listed

    Dev.Pro Services

    • Software Development
    • Blockchain
    • Mobile App Development
    • Cloud Consulting
    • Digital Services
    • UI/UX Design
    • DevOps Consulting
    • CRM Consulting
    • Big Data Analytics
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • XCM
    • LAVU
    • Cureatr
    • Securrency
    • Inveniam
    • Salesloft
    • Global Payments
    • Heartland
    • APIJET
    Data sourced from the agency's DesignRush profile

    Dev.Pro Reviews & Testimonials

    • Anoop Krishnan
      Anoop Krishnan Technical Director at Lavu
      5.0

      Software Development Review from Anoop Krishnan

      We had an urgent business need to transfer our entire POS system and a related application to a new infrastructure on AWS. For this task, we were looking for a dedicated DevOps team. We found the perfect match with Dev.Pro, since they have proved their experience by successfully accomplishing multiple migration tasks and maintaining our solution 24/7. They did their best to perform a fast, risk-free migration from Rackspace to Amazon, initiated improvements in the CI / CD pipeline, and implement

    • Matthew Benedon
      Matthew Benedon Director of Strategy & Partnerships at Cureatr
      5.0

      Software Development Review from Matthew Benedon

      Dev.Pro planned this work accurately and executed it on time, on budget, and with remarkable quality. Our partner received a terrific application for critical secure text messaging, and Cureatr is better thanks to Dev.Pro’s work. Dev.Pro team members were professional, responsive, and a pleasure to work with.

    • Jason MsIntosh
      Jason MsIntosh Director of Software Development at Heartland.us
      5.0

      Software Development Review from Jason MsIntosh

      The Heartland Billpay Solution, an integral part of Global Payments’ suite of financial tools, needed an extension team that is PCI-compliant, has expertise in FinTech, and could start contributing from day one. After just four months of cooperation, Dev.Pro has proven to be a great fit. The team members from Dev.Pro are modern software professionals. They have knowledge and apply best practices for software development: Agile, automation, unit testing, clean code, and more. The team facilitat

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • End-To-End Product Development | Agile Development Teams

    Qarbon IT are experts in creating web and mobile applications with over 15 years of experience. We have the experience, knowledge and technical know-how to deliver an innovative digital product that will exceed your expectations. Qarbon IT assists businesses across major industries, such as finance, banking...

    Top Services:

    • Software Development
    • Mobile App Development
    • UI/UX Design
    • eCommerce Development
    • IoT
    • Show more
    Location
    Katowice, Poland
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    27 Projects Listed

    Qarbon IT Services

    • Software Development
    • Mobile App Development
    • UI/UX Design
    • eCommerce Development
    • IoT
    • AI Development
    • Blockchain
    • Software Testing
    • Staff Augmentation
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Takamol Holding
    • Cryptospace
    • Golem Network
    • Elvia entertainment ltd
    • Clubspeed
    • Holiday park & resort
    • Komputronik Group
    • Mann + Hummel
    • Bay Shore High School Alumni Association
    • aeternity
    Data sourced from the agency's DesignRush profile

    Qarbon IT Reviews & Testimonials

    • Jonasz Wieclawski
      Jonasz Wieclawski Review from Google
      5.0

      Jonasz Wieclawski's Review Sourced from Google

      The best IT team in Poland I've ever worked with. They solve problems and find solutions to challenges that most people would throw up their hands in disbelief. In my opinion, this is a testament to the caliber and quality of the developers who, to a greater or lesser extent, shape our business's success.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • #1 in Cybersecurity, Blockchain, AI&ML, Python, NodeJS

    Apriorit is a leader in smart contract development, cybersecurity services, along with advanced data management technologies. Other services offered by this IT firm include SaaS engineering, Driver development, system programming, professional reverse engineering, blockchain, AI&ML and more...

    Top Services:

    • Software Development
    • Blockchain
    • IT Services
    • Cybersecurity
    • Web Development
    • Show more
    Location
    Lynn, Massachusetts
    Number of Employees
    250 - 499
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed

    Apriorit Services

    • Software Development
    • Blockchain
    • IT Services
    • Cybersecurity
    • Web Development
    • Web Design
    • AI Development
    • Mobile App Development
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Agemni
    • PayDay Resources
    • Borta
    • ETRI
    • VisionWorks
    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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