Top Blockchain Companies & Developers in Istanbul

Ratings Updated: December 5, 2025

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4 Leaders 10 Contenders

14 Companies

Country: Türkiye

City: Istanbul

List of the Top Istanbul Blockchain Development Companies

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Tech Alchemy

5.0 33 reviews
Premier Verified

$25,000+

$25 - $49 / hr

50 - 249

Serves Istanbul, Türkiye

Services provided

40% Blockchain

20% Mobile App Development

20% Web Development +2 services

10% Custom Software Development

10% IT Strategy Consulting

Tech Alchemy is a Blockchain Development company specializing in smart contract development, decentralized application (DApp) development, and blockchain solutions. Client reviews reveal a 100% satisfaction rate, emphasizing their excellent project management, responsiveness, and partnership-driven approach. Notably, 80% of reviewers highlighted Tech Alchemy's expertise and creativity, which contributed to successful project outcomes and innovative solutions in blockchain technology.

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Reviews mention Communicative
The overall sentiment regarding Tech Alchemy's communication is highly positive. Clients frequently commend their responsiveness and proactive engagement. For instance, one client highlighted that Tech Alchemy's 'communication was good' and they kept the client 'in the loop throughout the entire process.' Another client noted the 'amazing' communication and 'open feedback exchange.' Overall, clients appreciate the team's attentiveness, adaptability, and ability to create an open dialogue, fostering a collaborative working environment.

Gamified Blockchain Platform Development for Staking Company

5.0 Aug 13, 2024

TechAlchemy's project management was really great. They consistently delivered everything on time, even when there were changes or new requirements. They were very responsive to our needs, adapting quickly whenever we had new feedback or legal requirements to address. Communication was good too, and they kept us in the loop throughout the entire process, making sure we were satisfied every step of the way.
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Blockchain Integration for B2B Entertainment Platform

5.0 Jul 7, 2022

The communication between our team has been amazing, as the feedback and idea-sharing process is always open. Tech Alchemy is very hands-on, and they consistently update me on the entire project's progress at all times.
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Carbon Emissions Calculator for Clean Tech Business

5.0 Oct 28, 2020

We communicated via email and Zoom. Direct access to founder and UX designer. Trust and good communication stood out for me, with their ability to understand exactly what we wanted.
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Custom Software Dev for White Label Solutions Provider

5.0 Oct 28, 2020

We had daily stand ups everyday across the entire development team on Google Hangouts and then used Slack for our daily comms. Constant communication is so helpful as a client as it enables us to know exactly what is going on at all times.
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Website Redesign for Management Software Company

5.0 Sep 29, 2020

We would have weekly/bi-weekly stand-ups with the project manager and main developer, who communicated with the team what were looking to have done. If there were any delays, they let us know ahead of time so we could plan appropriately and were very vocal throughout the entire process.
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Industry Experience

Tech Alchemy has received positive feedback across various industries, showcasing their expertise in Financial Services, Arts, Gaming, Software, and Healthcare. Clients commend their innovative approach, timely delivery, and strong communication. In Financial Services, they excelled in app development for fintech solutions. In Arts and Gaming, their blockchain capabilities were highlighted, enhancing user engagement. Notably, their work in Healthcare and IT Services revealed their adaptability and commitment to client success. Overall, their strengths in technical knowledge and project management make them a suitable partner across diverse sectors.
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Non-profit Financial services Gaming Software Sports Media Other Industry Government IT Services Healthcare Hospitality & leisure Advertising & marketing Business services Consumer Products Arts, entertainment & music

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More responsive than most other service providers

Tech Alchemy is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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London, England

68 Redchurch Street
London, England E2 7DP
76 - 100

07521507783

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RedDuck

5.0 13 reviews
Verified

$10,000+

$50 - $99 / hr

10 - 49

Serves Istanbul, Türkiye

Services provided

100% Blockchain

RedDuck is a blockchain development company specializing in delivering comprehensive blockchain solutions, including smart contract development, distributed ledger technology, and decentralized application (DApp) development. Clients consistently praise their technical precision, proactive communication, and ability to deliver projects on time, with a 100% satisfaction rate highlighted across multiple reviews. Their expertise in blockchain technology and strategic product development is noteworthy.

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Industry Experience

RedDuck demonstrates significant expertise in the Financial Services, Gaming, and Logistics industries, with strong feedback highlighting their proficiency in blockchain development, smart contracts, and project management. Clients praised their ability to deliver secure, efficient solutions tailored to complex requirements, particularly in DeFi and tokenization projects. Overall sentiment is highly positive, particularly within Financial Services, where they are recognized for their innovative approaches and strategic insights, making them a suitable partner for companies in these sectors.
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Financial services Other Industry Logistics & Supply Chain Gaming

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Average Project Cost Breakdown

$50,000 to $199,999 (5) $10,000 to $49,000 (1)

What Clients Have Said
Clients consistently praised RedDuck for offering excellent value for money and fitting within their budgetary constraints. One client noted their 'good value for cost' and another highlighted that their pricing 'fit our budget.' Overall sentiment reflects satisfaction with the company's pricing relative to the quality of services provided, with multiple reviews emphasizing timely delivery and effective project management as key aspects of their positive experience.
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Germany (1) India (1) South Africa (1) Thailand (1) Ukraine (1) United States (1) England (1)

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Mobilist

4.9 14 reviews

$25,000+

$50 - $99 / hr

10 - 49

Maslak, Türkiye

Services provided

20% Blockchain

30% Mobile App Development

20% Cloud Consulting & SI +3 services

10% AR/VR Development

10% Custom Software Development

10% Web Development

Mobilist is a versatile software development company specializing in mobile app and cloud infrastructure solutions. They consistently receive positive feedback for their agile project management, technical expertise, and ability to meet deadlines, with approximately 90% of reviewers highlighting these strengths. While some note frequent developer turnover, Mobilist's overall customer satisfaction remains high due to their responsive and flexible approach to client needs.

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Reviews mention Great project management
Mobilist has received high praise for its project management capabilities, with clients noting exceptional communication and adherence to timelines. One client highlighted the company's use of Agile methodologies, stating, "Mobilist’s project management was exceptional... they provided outstanding services." Another client remarked on the timely delivery of sprints and the ability to deploy products efficiently. Overall, the sentiment is overwhelmingly positive, emphasizing Mobilist's dedication and technical expertise in managing complex projects.

iOS & Android Dev for Software Consultancy

4.5 Mar 3, 2022

Mobilist’s project management was exceptional. We used sprint methodologies, and they provided outstanding services. Their communication was excellent, and the technical capabilities of their team were outstanding.
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Industry Experience

Mobilist has demonstrated expertise across various industries, including Consumer Products, Financial Services, Software, IT Services, Telecommunications, and Consulting. Clients commend them for their agile approach, effective communication, and ability to meet project deadlines. Feedback highlights their strengths in mobile app development and infrastructure management, with impactful results such as award-winning applications and reduced control deficiencies. Overall sentiment is highly positive, indicating that Mobilist is well-suited for projects in technology-driven sectors requiring responsive and reliable development solutions.
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IT Services Consumer Products Financial services Software Consulting Telecommunications Social Networking

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Türkiye (7) Netherlands (1) Switzerland (1) United States (1)

Maslak, Türkiye

Maslak Mahallesi, Büyükdere Cd. No:245 USO Center Kat:15
Maslak, Türkiye 34398
21 - 30

+902123818775

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Neoxi

4.8 3 reviews

$5,000+

$25 - $49 / hr

10 - 49

Istanbul, Türkiye

Services provided

25% Blockchain

25% AI Consulting

25% AI Development +2 services

15% Web Development

10% Low/No Code Development

Neoxi is a versatile software development company specializing in AI and web development solutions, including CRM platforms and MVPs. With an impressive record of beating targets and maintaining a competitive pricing model, Neoxi has received overwhelmingly positive feedback for their customer-oriented approach, project management skills, and ability to significantly reduce development time, with 100% of reviewers highlighting their professional communication and timely delivery.

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Industry Experience

Neoxi demonstrates strong expertise in the real estate and manufacturing sectors, providing impactful solutions such as AI-driven applications and CRM platforms. Clients praised their professionalism, project management skills, and the ability to meet rigorous deadlines while delivering high-quality work. Overall sentiment across industries is highly positive, with notable strengths in technical development, customer-oriented service, and cost-effectiveness, making them a suitable partner for real estate and manufacturing projects.
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Real estate Manufacturing

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Average Project Cost Breakdown

$10,000 to $49,000 (2) Less than $10,000 (1)

What Clients Have Said
Neoxi has received positive feedback regarding their cost-effectiveness and overall value for money. Clients noted that Neoxi's pricing is competitive relative to the quality of work delivered, with one client highlighting their ability to meet project KPIs while remaining budget-friendly. Another client mentioned spending between €10,000–€50,000, emphasizing the impressive results achieved within this investment. Overall, the sentiment indicates that Neoxi provides substantial value, particularly for startups seeking quality development at reasonable prices.
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Canada (2) United States (1)

Istanbul, Türkiye

KARADENİZ MAH. ESKİ EDİRNE ASFALTI CAD. VENEZİA C block No 108
Istanbul, Türkiye 34250
16 - 20

+905313908188

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Codefirst

5.0 4 reviews

$25,000+

$25 - $49 / hr

10 - 49

İstanbul, Türkiye

Services provided

15% Blockchain

15% Custom Software Development

15% Mobile App Development +5 services

15% Web Development

10% Cloud Consulting & SI

10% HR Consulting

10% IT Staff Augmentation

10% Other IT Consulting and SI

Codefirst is a professional services firm specializing in talent acquisition and software development. They are highly regarded for their ability to source top-tier candidates and deliver software projects effectively, with notable strengths in agile project management and a solution-oriented approach. Across reviews, 100% praise their quality and professionalism, with 50% specifically highlighting their impressive talent network and efficient communication.

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Reviews mention Accessible
The overall sentiment regarding accessibility at Codefirst is highly positive. Clients highlighted their effective communication and prompt responses, which facilitated timely project delivery. One client noted, 'Thanks to the successful continuation of mutual communication and their accessibility during the project, the project delivery took place in a shorter time than planned.' Additionally, they praised the team's solution-oriented mindset and commitment to client needs, emphasizing their impressive accessibility throughout the project.

Analysis & Development Services for IT Services Company

5.0 Aug 25, 2022

Thanks to the successful continuation of mutual communication and their accessibility during the project, the project delivery took place in a shorter time than planned, as they worked quickly and effectively in line with our feedbacks. We were impressed by their accessibility and their solution-oriented mindset as a working discipline.
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Industry Experience

Codefirst has demonstrated expertise in the Software and Retail industries, with positive feedback on their talent acquisition and project execution. In Software, clients praised their ability to source highly qualified engineers and their agile project management skills, resulting in timely and quality deliverables. In Retail, their solution-oriented approach and effective communication facilitated efficient project completion. Overall, the sentiment is highly favorable, highlighting Codefirst's strengths in talent sourcing and technical capabilities, making them a strong fit for complex software development and retail process optimization.
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Software Retail

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Average Project Cost Breakdown

$10,000 to $49,000 (2)

What Clients Have Said
Clients appreciate Codefirst for the quality of candidates and effective project execution, often highlighting the firm's responsiveness and professionalism. However, some feedback suggests that while their pricing could be more competitive, the value derived from their services justifies the cost. One client noted, 'Their prices could be a little more competitive, but due to the quality of the candidates they bring, they are worth the extra budget.' Overall, clients perceive Codefirst as a valuable investment despite higher costs.
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İstanbul, Türkiye

Koşuyolu mahallesi Gömeç Sk. Örnek Sitesi (Eski) A1 Blok Da:18 Kadıköy/İstanbul
İstanbul, Türkiye
31 - 40

+90 530 549 96 86

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Slevin

5.0 2 reviews

$10,000+

$50 - $99 / hr

10 - 49

Istanbul, Türkiye

Services provided

10% Blockchain

30% Mobile App Development

30% Web Development +3 services

15% AI Development

10% UX/UI Design

5% Web Design

Slevin is a custom software development company known for creating integrated e-commerce platforms and mobile applications. Reviews highlight their effective communication and ability to exceed expectations, with 100% of clients praising their responsiveness and understanding of project requirements. While initial resource limitations were noted, recent staffing expansions have improved delivery times and efficiency.

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Industry Experience

Slevin has demonstrated expertise primarily in the Retail and Hospitality & Leisure industries. Clients commend their effective communication, ability to deliver custom software solutions, and their project management responsiveness. In Retail, their e-commerce platform generated significant revenue, while in Hospitality, they streamlined operations and improved customer satisfaction through innovative mobile applications. Overall, feedback indicates a strong fit for projects requiring customized software development and efficient operational solutions.
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Retail Hospitality & leisure

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Average Project Cost Breakdown

Less than $10,000 (1) $50,000 to $199,999 (1)

What Clients Have Said
Clients have expressed satisfaction with Slevin's cost and value for money, highlighting the agency's ability to deliver projects on time and exceed expectations. One client noted that the e-commerce solution generated 10% of their annual income, while another emphasized improved efficiency and customer satisfaction through their app. Overall, feedback indicates a strong value proposition, though some clients mentioned initial delays due to a small team, which has since improved with new hires.
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Türkiye (1) United States (1)

Istanbul, Türkiye

Istanbul Biruni University Technopark
Istanbul, Türkiye 34015
10 - 15

+905326021226

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Coinoxs

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

İstanbul, Türkiye

Services provided

40% Blockchain

40% Custom Software Development

10% AR/VR Development +1 service

10% Web Design

Established in 2019, Coinoxs is a Blockchain company. Located in İstanbul, Türkiye, the team focuses on Blockchain and Custom Software Development.
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İstanbul, Türkiye

Yenibosna merkez mah. Ladin sokak, no:4 Kuyumcukent, atölye bloğu 1.kat 10.sokak no:4
İstanbul, Türkiye 34197
10 - 15

0212 232 3220

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ChainerIST

Not yet reviewed

$250,000+

$150 - $199 / hr

50 - 249

İstanbul, Türkiye

Services provided

100% Blockchain

ChainerIST is a Blockchain company. In İstanbul, Türkiye, their midsize team focuses on Blockchain. The agency was launched in 2021.
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İstanbul, Türkiye

Akasya Acıbadem Ofis Kuleleri A-3 Blok Kat:12 No:21 Acıbadem Istanbul
İstanbul, Türkiye 34660
50 - 75

+ 90 216 504 56 55

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Geliyoo

Not yet reviewed

$250,000+

$50 - $99 / hr

10 - 49

Istanbul, Türkiye

Services provided

50% Blockchain

10% IT Strategy Consulting

10% Mobile App Development +4 services

10% UX/UI Design

10% Web Development

5% Cybersecurity

5% E-Commerce Development

Geliyoo is a Blockchain company. The small Istanbul, Türkiye-based team focuses on Blockchain and UX/UI Design. The firm was established in 2010.
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Istanbul, Türkiye

Saray Mah. Dr.Adnan Büyükdeniz Cd. No:4 Cessas Plaza, Akkom Office Park 2. Blok K:10
Istanbul, Türkiye 34768
10 - 15

+90 (216) 687 06 31

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RekClick 360° Digital Marketing Agency

Not yet reviewed

$1,000+

$50 - $99 / hr

10 - 49

Istanbul, Türkiye

Services provided

20% Blockchain

20% Mobile App Development

20% Pay Per Click +2 services

20% Search Engine Optimization

20% Social Media Marketing

RekClick 360° Digital Marketing Agency is an Istanbul, Türkiye-based social media marketing firm. They provide Social Media Marketing and Search Engine Optimization.
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Istanbul, Türkiye

No:6 Turan Sokağı
Istanbul, Türkiye 34704
10 - 15

+902122699596

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Cesa Software

Not yet reviewed

$10,000+

$50 - $99 / hr

10 - 49

Istanbul, Türkiye

Services provided

20% Blockchain

20% Cybersecurity

20% Mobile App Development +2 services

20% Search Engine Optimization

20% Web Design

Established in 2011, Cesa Software is a SEO agency. Their services include Search Engine Optimization and Web Design.
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Istanbul, Türkiye

Bomonti Business Center, Cumhuriyet, Yeniyol Sk. No:8, Sisli
Istanbul, Türkiye 34380
10 - 15

908502255334

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Wagmi Tech

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

İstanbul, Türkiye

Services provided

20% Blockchain

20% AI Development

20% Custom Software Development +2 services

20% IT Staff Augmentation

20% Mobile App Development

IT staff augmentation company Wagmi Tech is in İstanbul, Türkiye. They offer IT staff augmentation and Custom Software Development and were launched in 2024.
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İstanbul, Türkiye

KOZYATAĞI MAH. DEĞİRMEN SK. NIDA KULE NO: 18/19 KADIKÖY
İstanbul, Türkiye 34742
2 - 5

+905304987858

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Dahatek

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

İstanbul/Bahçelievler, Türkiye

Services provided

10% Blockchain

15% Mobile App Development

15% Web Development +6 services

10% Commercial Financing

10% Custom Software Development

10% IT Managed Services

10% IT Staff Augmentation

10% IT Strategy Consulting

10% Other IT Consulting and SI

Based in İstanbul/Bahçelievler, Türkiye, Dahatek is a small web development firm. Their services include Web Development and Mobile App Development.
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İstanbul/Bahçelievler, Türkiye

Yenibosna Merkez, Mahallesi, 1. Asena Sk. No:15, 34295 Bahçelievler/İstanbul,Daire 426 , Pullman Rezidans, İstanbul, Bahçelievler/Yenibosna Türkiye
İstanbul/Bahçelievler, Türkiye 34295
2 - 5

0-212-8437492

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4A Labs

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Istanbul, Türkiye

Services provided

20% Blockchain

20% Custom Software Development

20% IoT Development +3 services

20% UX/UI Design

10% AI Consulting

10% AI Development

4A Labs, an user experience company, was founded in 2014. The company focuses on UX/UI Design and Custom Software Development.
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Istanbul, Türkiye

Maslak, Ahi Evran Cd. No11/37 Sarıyer
Istanbul, Türkiye 34398
6 - 9

+90.212.282.8385

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Rot3

Not yet reviewed

$1,000+

Undisclosed

10 - 49

Istanbul, Türkiye

Services provided

40% Blockchain

10% AI Development

10% Custom Software Development +5 services

10% Low/No Code Development

10% Mobile App Development

10% Web Development

5% IT Managed Services

5% IT Strategy Consulting

Rot3 is a Blockchain company. Located in Istanbul, Türkiye, the firm was founded in 2022. Their services include Blockchain and Web Development.
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Istanbul, Türkiye

YTÜ-Davutpaşa Campus, Technopark
Istanbul, Türkiye 34906
2 - 5

+905458934689

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KARAKAR Web Tasarım ve Yazılım Ajansı

Not yet reviewed

$1,000+

$100 - $149 / hr

10 - 49

İstanbul, Türkiye

Services provided

20% Blockchain

20% IT Managed Services

20% UX/UI Design +2 services

20% Web Design

20% Web Development

KARAKAR Web Tasarım ve Yazılım Ajansı is a web design company. Launched in 2022, the team specializes in Web Design and UX/UI Design. The firm is located in İstanbul, Türkiye.
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İstanbul, Türkiye

6 Oyun Sokağı
İstanbul, Türkiye 34903
10 - 15

+905451814040

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Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Mobilist

2 Neoxi

3 Codefirst

4 Slevin

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.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

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 4 Istanbul Blockchain Development Companies

Mobilist

$25,000+

$50 - $99 / hr

10 - 49

Maslak, Türkiye

Ability to deliver

28.8/40.0

16/20 Reviews

7.6/10 Clients & Experience

5.2/10 Market Presence

Service focus

20% Blockchain

80% Other

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Neoxi

$5,000+

$25 - $49 / hr

10 - 49

Istanbul, Türkiye

Ability to deliver

23.3/40.0

15.6/20 Reviews

2.7/10 Clients & Experience

5/10 Market Presence

Service focus

25% Blockchain

75% Other

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Codefirst

$25,000+

$25 - $49 / hr

10 - 49

İstanbul, Türkiye

Ability to deliver

24.3/40.0

16.2/20 Reviews

2.7/10 Clients & Experience

5.4/10 Market Presence

Service focus

15% Blockchain

85% Other

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Slevin

$10,000+

$50 - $99 / hr

10 - 49

Istanbul, Türkiye

Ability to deliver

24/40.0

16.2/20 Reviews

3.8/10 Clients & Experience

4/10 Market Presence

Service focus

10% Blockchain

90% Other

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Coinoxs

Undisclosed

Undisclosed

10 - 49

İstanbul, Türkiye

Ability to deliver

14.4/40.0

0/20 Reviews

9.3/10 Clients & Experience

5.2/10 Market Presence

Service focus

40% Blockchain

60% Other

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ChainerIST

$250,000+

$150 - $199 / hr

50 - 249

İstanbul, Türkiye

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

100% Blockchain

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Geliyoo

$250,000+

$50 - $99 / hr

10 - 49

Istanbul, Türkiye

Ability to deliver

5.3/40.0

0/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

50% Blockchain

50% Other

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RekClick 360° Digital Marketing Agency

$1,000+

$50 - $99 / hr

10 - 49

Istanbul, Türkiye

Ability to deliver

4.9/40.0

0/20 Reviews

0/10 Clients & Experience

4.9/10 Market Presence

Service focus

20% Blockchain

80% Other

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Cesa Software

$10,000+

$50 - $99 / hr

10 - 49

Istanbul, Türkiye

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

20% Blockchain

80% Other

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Wagmi Tech

Undisclosed

Undisclosed

2 - 9

İstanbul, Türkiye

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

20% Blockchain

80% Other

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Dahatek

Undisclosed

Undisclosed

2 - 9

İstanbul/Bahçelievler, Türkiye

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

10% Blockchain

90% Other

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4A Labs

Undisclosed

Undisclosed

50 - 249

Istanbul, Türkiye

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% Blockchain

80% Other

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Rot3

$1,000+

Undisclosed

10 - 49

Istanbul, Türkiye

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

40% Blockchain

60% Other

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KARAKAR Web Tasarım ve Yazılım Ajansı

$1,000+

$100 - $149 / hr

10 - 49

İstanbul, Türkiye

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

20% Blockchain

80% Other

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Specialties

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

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Top Blockchain Companies & Developers in Istanbul

List of the Top Istanbul Blockchain Development Companies

Reviews mention Communicative

Gamified Blockchain Platform Development for Staking Company

Blockchain Integration for B2B Entertainment Platform

Carbon Emissions Calculator for Clean Tech Business

Custom Software Dev for White Label Solutions Provider

Website Redesign for Management Software Company

Industry Experience

Select Industry to see insights

Tech Alchemy is very responsive

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

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Reviews mention Great project management

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