TopFirms REVIEWER

Top Blockchain Companies

Development of secure, decentralized applications, including smart contracts, NFT platforms, DeFi protocols, supply-chain traceability systems, token economies, private/permissioned blockchains, and Web3 solutions using Ethereum, Solana, Polygon, Hyperledger, and other leading blockchain frameworks.

23 companies found

Featured
1
SapientPro

SapientPro

Verified

SapientPro is a custom software development company founded in 2017, specializing in block...

4.4 (8)
Blockchain Web Development Software Development +4
Min. project
$5,000+
Hourly
$25 - $49
Team
50-249
Location
Luzern, Switzerland
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2
Innowise

Innowise

Verified

Innowise is an international full-cycle software development company founded in 2007, offe...

4.6 (8)
Blockchain AR/VR Development Software Development +7
Min. project
$10,000+
Hourly
$25 - $49
Team
1000-9999
Location
Warszawa, Poland
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3
Trango Tech

Trango Tech

Verified

Founded in 2017 and based in New York, Trango Tech is a digital transformation company tha...

4.6 (9)
Blockchain AR/VR Development Mobile App Development +5
Min. project
$250,000+
Hourly
$25 - $49
Team
250-999
Location
Dubai, United Arab Emirates
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4
Quytech

Quytech

Verified

Quytech is a global AI-first technology company founded in 2010, delivering blockchain and...

4.6 (8)
Blockchain AI Development Mobile App Development +2
Min. project
$25,000+
Hourly
< $25
Team
250-999
Location
Gurugram, India
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5
NADCAB LABS

NADCAB LABS

Verified

Decentralized System Experts

4.5 (10)
Blockchain AI Development AR/VR Development +2
Min. project
$5,000+
Hourly
$25 - $49
Team
50-249
Location
Prayagraj, India
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6
Tech Alchemy

Tech Alchemy

Verified

Tech Alchemy is a London-based product-led software studio founded in 2016 following the f...

4.6 (8)
Blockchain Mobile App Development Web Development +2
Min. project
$25,000+
Hourly
$25 - $49
Team
50-249
Location
London, England
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7
Peiko

Peiko

Verified

Peiko is a Kyiv-based blockchain and web development company founded in 2017, recognized a...

4.8 (9)
Blockchain Web Development
Min. project
$10,000+
Hourly
$25 - $49
Team
50-249
Location
Kraków, Poland
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8
SpaceDev

SpaceDev

Verified

SpaceDev is a global blockchain and custom software development company founded in 2017, w...

4.6 (8)
Blockchain Software Development IT Staff Augmentation +3
Min. project
$25,000+
Hourly
$50 - $99
Team
50-249
Location
Miami, FL
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9
NetSet Software Solutions

NetSet Software Solutions

Verified

NetSet Software Solutions is a Brampton, Ontario-based technology company founded in 2011,...

4.5 (8)
Blockchain AI Development Mobile App Development
Min. project
$10,000+
Hourly
$25 - $49
Team
50-249
Location
Sahibzada Ajit Singh Nagar, India
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10
EvaCodes

EvaCodes

Verified

EvaCodes is a Delaware-headquartered Web3 blockchain development company founded in 2019 b...

4.8 (8)
Blockchain Web Development AI Development
Min. project
$25,000+
Hourly
$25 - $49
Team
50-249
Location
Warszawa, Poland
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Got Questions

Frequently asked questions

What is blockchain development?

Creating secure, decentralized systems for transactions, smart contracts, NFTs, or supply chains using blockchain tech like Ethereum or Hyperledger.

Which sectors will benefit from blockchain technology?

Cryptos/DeFi finance, supply chain traceability, healthcare record-keeping, gaming NFTs, voting tamper-proof systems.

What is the time taken for blockchain development?

2-5 months: simple smart contracts; 6-12 months: full-fledged DApp or platform.

What is the cost of creating a blockchain platform?

A basic blockchain solution costs $40,000 - $100,000, and an advanced one costs $150,000 - $500,000 or more.

Is it safe and transparent?

Yes, it is, as its immutability ensures the security of the ledger

Can blockchain solve the fraud problem?

Yes, by using blockchain in supply chains or finance, you can verify the authenticity of a product/service and track each move.

Can blockchain integrate with existing applications?

Yes, through API/wallet integration with existing apps, such as web and mobile applications.

Then what about the scalability issue in blockchain?

Modern blockchain solutions offer scalability through layer-2 technology or sharding.