$5,000+
$30 - $49 / hr
10 - 49
Startups
Ukraine, Kiev
2021
Within 1 week
Software and Blockchain Development

Cowchain software development company with the main focus on blockchain/crypto projects.

Cowchain have successfully completed 25+ projects mainly on EVM-based blockchains such as Ethereum, Polygon, Binance Smart Chain, Avalanche including Coinmarketcap leaders with 180M+ total capitalization and 20M+ daily trading volume in Move2Earn, Play2Earn and DeFi industries.

Company providing full development cycle in many various areas, such as:

NFT - collection launch, NFT sale, custom applications
Marketplaces - NFT selling marketplaces including buys, auctions, offers, trades
DeFi - custom decentralized finances applications including staking, vesting, swap, liquidity aggregators etc
Move2Earn - profitable combination of in-game and blockchain assets that allows to do your daily exercises and earn tokens for it
Play2Earn - enterprise gaming solutions that needs to be adjusted with blockchain logic to allow players to earn blockchain assets playing their favorite games
DEX/CEX - decentralized or centralized exchanges based on liquidity pools OR orders books which allows users to trade their assets with/without leverage and exchange crypto to fiat
Lending/borrowing - why to hold your crypto for years if you can earn from it? Put your HODL to the lending market as a collateral and receive stablecoin assets to be used for earning until you waiting for bullish market
Tech stack we do:

React.js, Next.js, Javascripts, Tailwind css, SCSS, SASS, Material UI
Node.js, Express, Nest.js, Microservices
Mongodb, MYSQL, MSSQL, PostgreSQL
TheGraph (Subgraph), Event indexing back-end
Azure, AWS, Google Cloud
Docker, Kubernetes
EVM-based blockchains (Ethereum, Avalanche, Polygon, Binance Smart Chain, Velas, Hedera etc)

Have something to discuss? Do not hesitate to contact us anytime!
Have a beautiful day!

Software and Blockchain Development

Techreviewer Score

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5.0

Client review platforms

The company's reputation is reflected through ratings and reviews from different review websites:

4.9
(36 reviews)Clutch

AI Overview

Powered bytechreviewer AI
This company performance overview is based on AI analysis of 36 client reviews across 1 review platform. Read more about our methodology.
Last updated: September 2026

Performance snapshot

Cowchain is a blockchain-specialized development firm with a strong concentration in Web3, DeFi, NFT, and smart contract engineering. Across 36 reviews spanning a single platform, the vendor consistently receives perfect or near-perfect sub-metric scores, with multiple high-density reviews citing quantified business outcomes such as $35M in transaction volume and 1,400 onboarded users within a month. No meaningful negative mentions or recurring concerns emerge from the data, though the uniformity of review language across several entries warrants acknowledgment. Overall, the vendor presents as a technically capable and well-organized delivery partner for blockchain-native projects.

Performance breakdown

Technical expertise
Strong

Multiple high-density reviews cite advanced capabilities across smart contracts, oracle integration, AI-DeFi systems, zero-knowledge proofs, and cross-chain architecture. Clients specifically highlight rare protocol-level knowledge and the ability to rapidly integrate complex third-party systems.

Project management & delivery
Strong

Reviewers consistently confirm on-time delivery across engagements ranging from two-week sprints to multi-year projects. Milestone-based structures, Jira, Trello, and Slack are cited as standard tooling, with no notable schedule failures across the review set.

Communication & collaboration
Strong

Clients across multiple engagements praise daily or regular updates, transparent reporting, and proactive feedback on UX and business strategy. Communication via Telegram, Slack, email, and virtual meetings is consistently described as smooth and responsive.

Reliability
Strong

One client explicitly notes the product has been working perfectly without bugs; others confirm stable launches and smooth integrations. No reviews mention post-delivery defects, regressions, or support lapses across the full review period.

Client satisfaction & outcomes
Strong

Quantified outcomes include $35M in transaction volume, $2.3M assets under management in month one, 12,000 card users onboarded, 55% user acquisition growth, and 68% beta retention. All sub-metric scores are 5.0 across quality, schedule, cost, and willingness to refer.

Best for

Cowchain is best suited for startups and mid-sized technology firms requiring end-to-end blockchain development, including DeFi platforms, NFT marketplaces, smart contract engineering, and Web3 integrations, particularly where speed-to-market and domain expertise are critical.

Clients info

Cowchain primarily serves information technology, advertising and marketing, financial services, and gaming companies. Clients are predominantly small to mid-sized firms, with most falling in the 1–50 employee range, though several 51–200 employee organizations are also represented. Project budgets most commonly range from $10,000 to $199,999, with at least one engagement exceeding $200,000. Primary industries represented include Information Technology, Advertising & Marketing, Financial Services, Gaming. Typical client size bands include 1-10 Employees, 11-50 Employees, 51-200 Employees. Common project budget ranges include $10,000 to $49,999, $50,000 to $199,999, $200,000 to $999,999.

Review strength

Analysis is based on 36 reviews sourced from a single platform. The review set spans from November 2021 to July 2026, with the majority of reviews published between 2024 and 2026, indicating strong recency. No reviews are older than three years from the most recent publication date, though two entries from late 2022 and one from late 2021 are more than three years old. Review date range: Nov 2021 - Jul 2026.

Performance breakdown

Technical expertise
Strong

Multiple high-density reviews cite advanced capabilities across smart contracts, oracle integration, AI-DeFi systems, zero-knowledge proofs, and cross-chain architecture. Clients specifically highlight rare protocol-level knowledge and the ability to rapidly integrate complex third-party systems.

Project management & delivery
Strong

Reviewers consistently confirm on-time delivery across engagements ranging from two-week sprints to multi-year projects. Milestone-based structures, Jira, Trello, and Slack are cited as standard tooling, with no notable schedule failures across the review set.

Communication & collaboration
Strong

Clients across multiple engagements praise daily or regular updates, transparent reporting, and proactive feedback on UX and business strategy. Communication via Telegram, Slack, email, and virtual meetings is consistently described as smooth and responsive.

Reliability
Strong

One client explicitly notes the product has been working perfectly without bugs; others confirm stable launches and smooth integrations. No reviews mention post-delivery defects, regressions, or support lapses across the full review period.

Client satisfaction & outcomes
Strong

Quantified outcomes include $35M in transaction volume, $2.3M assets under management in month one, 12,000 card users onboarded, 55% user acquisition growth, and 68% beta retention. All sub-metric scores are 5.0 across quality, schedule, cost, and willingness to refer.

Location and contacts

Ukraine, Kiev
32 Moskovska Street
02000
Poland, Warszawa
Bruna 9
02-594

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