Top Web3 Developers in Bulgaria

Ratings Updated: August 7, 2026

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6 Companies

Country: Bulgaria

Blockchain Focus: Web3

List of the Top Bulgaria Web3 Development Companies

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Quanterall

5.0 3 reviews

$50,000+

$50 - $99 / hr

50 - 249

Varna, Bulgaria

Services provided

30% Blockchain

30% Custom Software Development

15% IoT Development +2

15% Web Development

10% Mobile App Development

Focus Areas

20% Web3

35% Ethereum Development

35% Smart Contract Development +1

10% Metaverse Development

Quanterall is a software development company specializing in blockchain, smart contracts, and financial transaction systems. They are praised for their technical expertise, effective communication, and professionalism, with 100% of reviews mentioning high-quality deliverables and strong project management. Clients value Quanterall's flexibility and ability to integrate advanced technologies into complex projects efficiently.

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Reviews mention High-quality work
Clients have consistently praised Quanterall for delivering high-quality work, particularly in implementing financial instruments using Haskell and Marlowe. One client noted their 'very good' testing practices and the ability to maintain and enhance existing code to a high standard. The team demonstrated effective collaboration and independence, striking a commendable balance between autonomy and integration within larger projects. Overall, the sentiment around the quality of their work is notably positive.

Blockchain Development for IT Services Company

5.0 Jan 31, 2023

The Quanterall team delivered high-quality implementations of a range of financial instruments. Their testing practice was very good, and incorporated the tests from the ACTUS standard in a systematic way. The team was also able to maintain and improve the existing code base to the same standard.
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Industry Experience

Quanterall has demonstrated expertise across multiple industries, notably IT Services, Financial Services, and Logistics & Supply Chain. Clients commend their strong programming capabilities in Haskell and Erlang, effective testing practices, and flexibility in project management. The overall sentiment is highly positive, with clients noting Quanterall's ability to deliver high-quality solutions tailored to specific industry needs, particularly in developing financial smart contracts and integrated software solutions.
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IT Services Financial services Logistics & Supply Chain

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Average Project Cost Breakdown

$10,000 to $49,000 (1) $50,000 to $199,999 (1)

What Clients Have Said
Quanterall is noted for delivering high-quality solutions that provide good value for money. Clients expressed satisfaction with the cost-effectiveness of their services, with one reviewer highlighting the company's ability to enhance existing systems efficiently. Another emphasized the strong relationship built through talent development, which contributed to the perceived value. Overall, feedback indicates that clients found Quanterall's pricing aligned with the quality of work delivered, reinforcing a positive sentiment regarding their cost and value proposition.
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Bulgaria (1) Singapore (1) England (1)

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WeiChain Tech

Not yet reviewed

$5,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

50% Blockchain

25% Mobile App Development

25% Web Development

Focus Areas

30% Web3

30% Smart Contract Development

20% Ethereum Development +1

20% Metaverse Development

WeiChain Tech is a Blockchain company. The agency is based in Singapore, Singapore and Sofia, Bulgaria. Their services include Blockchain and Web Development.
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Sofia, Bulgaria

ulitsa "Oborishte" 5b
Sofia, Bulgaria 1504
10 - 15

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goodmorning

Not yet reviewed

Undisclosed

$50 - $99 / hr

10 - 49

Varna, Bulgaria

Services provided

50% Blockchain

50% Blockchain Marketing

Focus Areas

100% Web3

Goodmorning is a Blockchain and Blockchain Marketing company. They are headquartered in Varna, Bulgaria and have small team. They provide Blockchain and Blockchain Marketing.
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Devrefine

Not yet reviewed

Undisclosed

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% Blockchain

30% Web Development

10% AI Consulting +5

10% Application Management & Support

10% BI & Big Data Consulting & SI

10% IT Managed Services

10% IT Staff Augmentation

10% Low/No Code Development

Focus Areas

100% Web3

Devrefine is a web development company launched in 2020. The company focuses on Web Development and BI & big data consulting & SI.
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WispSoft

Not yet reviewed

$50,000+

$50 - $99 / hr

2 - 9

Sofia, Bulgaria

Services provided

30% Blockchain

30% Custom Software Development

20% CRM Consulting and SI +1

20% ERP Consulting and SI

Focus Areas

30% Web3

15% Decentralized Finance

15% Ethereum Development +3

15% Initial Coin Offering Consulting

15% Smart Contract Development

10% Smart Contract Auditing

Launched in 2021, WispSoft is a software development company. Based in Sofia, Bulgaria, the team focuses on Custom Software Development and Blockchain.
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Omicron Blockchain Solutions

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Sofia, Bulgaria

Services provided

100% Blockchain

Focus Areas

25% Web3

50% Decentralized Finance

25% Tokenization

Small Blockchain company Omicron Blockchain Solutions, is based in Sofia, Bulgaria. Their services include Blockchain.
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Clutch Leaders Matrix

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1 Quanterall

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

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Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top Bulgaria Web1 Development Companies

Quanterall

$50,000+

$50 - $99 / hr

50 - 249

Varna, Bulgaria

Ability to deliver

33.5/40.0

16.2/20 Reviews

10/10 Clients & Experience

7.2/10 Market Presence

Service focus

30% Blockchain

20% Web3

70% Other

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WeiChain Tech

$5,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

10/40.0

0/20 Reviews

5.1/10 Clients & Experience

4.9/10 Market Presence

Service focus

50% Blockchain

30% Web3

50% Other

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goodmorning

Undisclosed

$50 - $99 / hr

10 - 49

Varna, Bulgaria

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

50% Blockchain

100% Web3

50% Other

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Devrefine

Undisclosed

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

10% Blockchain

100% Web3

90% Other

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WispSoft

$50,000+

$50 - $99 / hr

2 - 9

Sofia, Bulgaria

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

30% Blockchain

30% Web3

70% Other

View Profile Visit Website
Omicron Blockchain Solutions

Undisclosed

Undisclosed

2 - 9

Sofia, Bulgaria

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

100% Blockchain

25% Web3

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Similar Categories

Related Services

Web Developers in Bulgaria Software Developers in Bulgaria Mobile App Development in Bulgaria eCommerce in Bulgaria Artificial Intelligence in Bulgaria Blockchain in Bulgaria AR/VR in Bulgaria IoT in Bulgaria Ruby on Rails in Bulgaria

Specialties

Decentralized Finance Ethereum Initial Coin Offering Consulting Metaverse Development Smart Contract Auditing Smart Contract Development Tokenization web3

Popular Locations in Bulgaria

web3 in Sofia

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Top Web3 Developers in Bulgaria

List of the Top Bulgaria Web3 Development Companies

Reviews mention High-quality work

Blockchain Development for IT Services Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said