Top Internet of Things Companies in Sofia

Ratings Updated: May 29, 2026

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11 Leaders 7 Contenders

18 Companies

Country: Bulgaria

City: Sofia

List of the Top Sofia IoT Developers

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Yalantis

4.8 79 reviews
Premier Verified

$50,000+

$50 - $99 / hr

250 - 999

Serves Sofia, Bulgaria

Services provided

60% IoT Development

10% AI Development

10% BI & Big Data Consulting & SI +2 services

10% Custom Software Development

10% Product Design

Yalantis is an Internet of Things Development company specializing in IoT App Development and custom healthcare software solutions. Praised for their seamless integration and strong team continuity, 100% of reviewers commend their reliable and timely delivery, particularly highlighting their IoT integrations for telehealth. Clients appreciate their flexibility and transparency, enhancing project success and collaboration.

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2 of 2 reviews are 5 stars

Unknown avg. project cost

Reviewed 2 times in the past 6 months
Recent reviews for Yalantis reflect a strong overall sentiment, highlighting their collaborative approach and effective project management. Clients praised their ability to meet deadlines and provide essential engineering support, with one noting, "Yalantis is very easy to work with, collaborative, and communicative." Another client emphasized their proactive efforts, stating, "Yalantis always looked to go above and beyond." There were no significant areas for improvement mentioned, indicating high client satisfaction.
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Industry Experience

Yalantis has demonstrated expertise across various industries, including healthcare, advertising & marketing, real estate, and information technology. In healthcare, clients praised their ability to deliver reliable, user-friendly solutions that enhance patient engagement and data management. In advertising & marketing, their optimization skills were highlighted for improving platform performance. The overall sentiment is positive, with clients consistently noting Yalantis's professionalism, responsiveness, and strong project management, making them a suitable partner for businesses in need of quality software development across these sectors.
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Software Supply Chain, Logistics, and Transport Healthcare eCommerce Engineering Real estate Food & Beverage Other Industry Medical Education IT Services Non-profit Consumer Products Logistics & Supply Chain Nonprofit Manufacturing Consulting Financial services Hospitality & leisure Automotive Business services Food & Beverages Arts, entertainment & music Telecommunications Energy & natural resources Media Advertising & marketing Other industries Information technology

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Average Project Cost Breakdown

$50,000 to $199,999 (27) $200,000 to $999,999 (15) $10,000 to $49,000 (13) $1,000,000 to $9,999,999 (2)

What Clients Have Said
Client feedback regarding Yalantis highlights a consistent sentiment of good value for money. Many clients noted that Yalantis' pricing matched their budgets while delivering high-quality results. For instance, one client emphasized their excellent quality-to-price ratio, stating, 'Their pricing is excellent, and we haven’t had to sacrifice the quality of the output for the price.' Overall, clients feel they receive strong expertise and effective communication, contributing to a positive perception of value despite some noting higher costs compared to local options.
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United States (45) Israel (3) England (3) China (3) Spain (2) Australia (2) Estonia (2) Canada (2) Sweden (2) Qatar (1) Poland (1) India (1) Norway (1) Nigeria (1) Switzerland (1) United Arab Emirates (1) Denmark (1) Kuwait (1)

This provider is fluent in 2 languages:

English

Ukrainian

This provider is available in 32 time zones:

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

Japan Standard Time (JST)

Midway Islands Time (MIT)

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Cogniteq

4.9 44 reviews
Premier Verified

$10,000+

$50 - $99 / hr

50 - 249

Serves Sofia, Bulgaria

Services provided

10% IoT Development

75% Mobile App Development

10% Web Development +1 service

5% Custom Software Development

Cogniteq is a prominent IoT development company specializing in IoT app development and IoT solutions, delivering high-quality cyber-physical software development. The reviews reveal a 100% positive feedback rate, highlighting their exceptional communication, timely delivery, and expert IoT consulting. Clients commend their ability to integrate seamlessly with internal teams and appreciate their flexible team scaling and IoT infrastructure expertise.

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Reviews mention Collaborative
Client feedback highlights Cogniteq's strong collaborative approach throughout various projects. Clients noted their 'open and short communication lines' and 'proactive approach to communication and planning,' ensuring transparency and effective risk management. One client emphasized the 'correct and friendly cooperation,' while another appreciated the team's alignment with their company values, stating it felt like 'One Team.' Overall, the sentiment is highly positive, reflecting Cogniteq's commitment to collaboration and client satisfaction.

Mobile App Dev & UX/UI Design for Software Design Firm

5.0 Feb 9, 2024

What stood out most about this company was its proactive approach to communication and planning. They consistently kept us informed about potential challenges in development and were open to discussing and mitigating risks together. Their level of transparency and collaborative problem-solving was truly impressive and ensured that we were always on the same page throughout the project.
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Web App React Development for IT Company

5.0 Dec 22, 2023

Both, their developers and key account managers were collaborative, pragmatic, and reliable. The focus on open communication and collaboration was evident throughout the project, ensuring a seamless working relationship. This approach facilitated a strong partnership and allowed for successful project execution.
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2 of 2 reviews are 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 2 times in the past 6 months
Recent reviews of Cogniteq highlight a strong overall sentiment, with clients praising their professionalism, effective communication, and timely project delivery. For instance, the Head of Operations at Lindcom noted the team's proactive engagement and swift responses to challenges. Similarly, the CMO of Zipp Labs emphasized Cogniteq's flexibility and solution-oriented approach, contributing to successful project outcomes. Both clients expressed satisfaction with the value provided relative to cost, indicating a solid partnership for ongoing development.
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Average Project Cost Breakdown

$10,000 to $49,000 (7) $50,000 to $199,999 (5) $200,000 to $999,999 (4) Less than $10,000 (1)

What Clients Have Said
The reviews indicate a strong overall sentiment regarding Cogniteq's cost and value for money. Multiple clients noted that Cogniteq offers 'good value for cost' and that their pricing fits within project budgets. For instance, one client remarked on their 'great price-to-quality ratio,' while another highlighted their 'flexibility and responsiveness' as key advantages. Overall, clients express high satisfaction with the balance of quality and affordability found in their services.
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Germany (7) Netherlands (5) England (5) Denmark (5) Sweden (4) Austria (3) Switzerland (2) Estonia (1) Ireland (1) Poland (1) Georgia (1) Finland (1) United States (1) Belgium (1)

This provider is fluent in 2 languages:

English

Spanish

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Sigma Software Group

4.8 37 reviews

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Premier Verified

$50,000+

$50 - $99 / hr

1,000 - 9,999

Sofia, Bulgaria

Services provided

10% IoT Development

25% Custom Software Development

20% Mobile App Development +4 services

15% Web Development

10% BI & Big Data Consulting & SI

10% Cloud Consulting & SI

10% Cybersecurity

Sigma Software Group is a versatile software development company offering a wide range of services, including web and mobile development, engineering support, and staff augmentation. The reviews indicate a strong emphasis on efficiency, collaboration, and alignment with client values. Approximately 80% of feedback highlights their punctuality and adaptability, while 60% commend their innovative approach and team integration. Overall, clients consistently express satisfaction with Sigma Software Group’s contributions to their projects.

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Reviews mention Autonomous
The overall sentiment regarding Sigma Software Group is highly positive, with clients noting their ability to work autonomously and adapt to changing priorities. One client highlighted their QA analyst's impressive growth from a junior role to effectively managing testing independently. The company is praised for delivering projects on time and within budget, while also proactively suggesting improvements to enhance the product. Clients appreciate their contemplative approach and strong communication skills throughout the engagement.

Web & Mobile App Dev for Grocery Delivery E-Commerce Co

4.5 Jun 18, 2024

Everybody we’ve worked with has improved their understanding of our product, so they've consistently suggested improvements that we haven’t considered. In particular, our QA analyst started as a junior, but now she does an outstanding job running the show, developing test plans, and working autonomously.
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Staff Augmentation & Custom Software Dev for GameTech Co.

5.0 Sep 29, 2020

They’re very skilled developers and can also come up with architectural and implementation solutions, along with setting everything up themselves. They’re very self-driven. One of the initial teams we set up is working on a core component with our internal architect.
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Average Project Cost Breakdown

$1,000,000 to $9,999,999 (8) $200,000 to $999,999 (7) $50,000 to $199,999 (5) $10,000 to $49,000 (3) Less than $10,000 (2)

What Clients Have Said
Overall, client feedback regarding Sigma Software Group highlights a strong sentiment of value for money. Many clients noted that the pricing aligns well with their budget while receiving high-quality services. For instance, one client appreciated Sigma's 'good value for cost' and noted their impressive integration with existing teams. However, some clients mentioned that while they received excellent service, the pricing could be perceived as high in some cases. Overall, the consensus reflects satisfaction with the cost-to-value ratio.
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More responsive than most other service providers

Sigma Software Group 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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Sofia, Bulgaria

bulevard "Cherni vrah"
Sofia, Bulgaria 1415
10 - 15

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BGO Software - The Digital Health Lab

4.8 18 reviews

$10,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Services provided

10% IoT Development

50% Custom Software Development

10% Application Management & Support +3 services

10% IT Managed Services

10% IT Strategy Consulting

10% Mobile App Development

BGO Software - The Digital Health Lab is a software development company specializing in digital health solutions, offering services such as software platforms for healthcare, clinical trials management, and infrastructure security. Reviewers consistently praise their technical expertise, customer service, and adaptability, with 100% noting timely delivery and professionalism. Many emphasize their effective communication and partnership approach, with no significant areas for improvement reported.

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Industry Experience

BGO Software - The Digital Health Lab has received positive feedback across various industries, primarily in Healthcare, Medical, Pharmaceuticals, IT Services, and Consulting. Clients commend their technical capabilities, adaptability, and project management skills, highlighting successful software development for clinical trials, medical devices, and research platforms. The overall sentiment is favorable, with notable strengths in communication, professionalism, and timely delivery. Their expertise aligns well with organizations seeking innovative solutions in highly regulated environments, particularly in healthcare and IT services.
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Medical Healthcare IT Services Pharmaceuticals Business services Research Arts, entertainment & music Energy & natural resources Education Software Consulting Government Real estate

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Average Project Cost Breakdown

$50,000 to $199,999 (2) $200,000 to $999,999 (1)

What Clients Have Said
Clients generally perceive BGO Software as offering good value for money, often highlighting their cost efficiency and quality of deliverables. For instance, one client noted their selection was influenced by BGO's pricing fitting their budget while delivering high-quality work. Another mentioned that although they were not the cheapest option, the quality justified the costs. Overall, the sentiment reflects satisfaction with the balance of cost and the value provided, with clients appreciating the team's flexibility and responsiveness.
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Switzerland (4) United States (4) Bulgaria (3) England (3) Netherlands (1)

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Review Rating from Clients

5.0/5.0

Quality

4.8

Schedule

4.8

Cost

4.8

Willing to Refer

5.0

Located in Sofia, BGO Software demonstrates expertise in digital health and cybersecurity, delivering innovative, user-friendly software for clinical trials, vulnerability management, and healthcare programs. Reviewers highlight their proactive communication, adaptability, and commitment to exceeding expectations.
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App Streams Ltd

5.0 9 reviews

$25,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% IoT Development

30% Web Development

25% Mobile App Development +3 services

15% Application Testing

10% AI Development

10% UX/UI Design

App Streams Ltd is a software development company specializing in both frontend and backend solutions across various industries, including healthcare, sports media, and automotive services. The reviews reflect overwhelmingly positive feedback, with 100% of clients highlighting their exceptional project management, dedication, and technical expertise. Additionally, 83% of reviewers specifically mentioned their strong cultural fit and alignment with company values, underscoring their consistent professionalism and effective collaboration.

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Reviews mention Communicative
Clients have consistently praised App Streams Ltd for their exceptional communication skills. One client highlighted the 'direct and friendly' nature of interactions, noting that all features were delivered on time and aligned with their standards. Another client emphasized their 'very responsive' communication style, contributing to a strong culture fit. Overall, the sentiment reflects a high level of satisfaction with the company's communicative approach, although one client suggested improvements regarding resource availability communication.

Mobile App Development for Manufacturing Company

5.0 Apr 30, 2023

The company demonstrated very responsive, good communication throughout the project. They utilized multiple forms of communication, including In-Person and Virtual Meetings, to ensure clarity and alignment. However, there is room for improvement in communication regarding resource availability.
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Software Dev for Fan Engagement & Gamification SaaS Platform

5.0 Nov 10, 2025

The quality and the alignment of values. Their team fit right into ours. Communication was direct and friendly. Also, the code they delivered was thoroughly code-reviewed by us and it matched our standards.
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4 of 4 reviews are 5 stars

$10,000 – $49,000 avg. project cost

Reviewed 4 times in the past 6 months
In the last six months, App Streams Ltd has received overwhelmingly positive feedback from clients, highlighting their fast response times, effective project management, and high-quality deliverables. Clients appreciated their dedication, noting instances of team members working late to meet deadlines. One client emphasized their exceptional understanding of the business model, while another praised their proactive engagement and adaptability. Overall, clients expressed satisfaction with their collaboration and have referred App Streams Ltd to others, indicating strong trust and confidence in their capabilities.
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Industry Experience

App Streams Ltd has demonstrated significant expertise across diverse industries, including healthcare, information technology, consumer products, automotive, manufacturing, and media. Clients praised their exceptional project management, timely delivery, and strong collaborative culture. In healthcare, they excelled in developing user-friendly applications for patient care. In IT and consumer products, they provided innovative solutions for gamification and fan engagement. Overall, feedback reflects high satisfaction across all sectors, making them a versatile partner for clients seeking reliable software development support.
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Other industries Information technology Consumer products & services Healthcare Software Manufacturing Automotive Media

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Average Project Cost Breakdown

$10,000 to $49,000 (1) $50,000 to $199,999 (1) $200,000 to $999,999 (1)

What Clients Have Said
Clients consistently praised App Streams Ltd for providing excellent value for money, with feedback highlighting that their pricing fit project budgets while delivering high-quality results. One client noted, 'Good value for cost,' emphasizing the company's alignment with their financial constraints. Another stated, 'They have become an integral part of the team,' reflecting satisfaction with the investment. Overall, the sentiment is overwhelmingly positive, indicating that clients feel they receive more than what they pay for.
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Civitta

4.9 23 reviews

$25,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Services provided

10% IoT Development

25% AI Development

20% Cloud Consulting & SI +3 services

20% Custom Software Development

15% Enterprise App Modernization

10% Mobile App Development

Civitta is a consultancy specializing in various digital transformation services, including software development, AI solutions, and brand management. Feedback from their reviews suggests a high level of satisfaction with 100% of reviewers expressing positive experiences, highlighting effective project management, timely deliverables, and seamless integration into client teams. Notably, 60% of reviewers commend Civitta for their exceptional communication and commitment to client success.

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Average Project Cost Breakdown

$10,000 to $49,000 (5) $50,000 to $199,999 (5) $200,000 to $999,999 (3) Less than $10,000 (1)

What Clients Have Said
Clients consistently highlight HackTech's excellent value for money, noting that their pricing aligns well with project budgets. One CEO remarked on their 'good value for cost,' while another emphasized the 'high ratings' and 'pricing fit' that influenced their decision to choose HackTech. Overall, the sentiment reflects satisfaction with the cost-effectiveness of the services provided, with clients appreciating the balance of quality and affordability.
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More responsive than most other service providers

Civitta 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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United States (5) Lithuania (4) Russia (2) Australia (1) Hong Kong (1) Romania (1) United Arab Emirates (1) England (1)

This provider is fluent in 5 languages:

English

Polish

Estonian

Finnish

Ukrainian

This provider is available in 1 time zone:

Central European Time (CET)

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Sofia, Bulgaria

94 ulitsa "Tsaribrodska"
Sofia, Bulgaria 1309
10 - 15

+40 722 316 036

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Quanterall

5.0 3 reviews

$50,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Services provided

15% IoT Development

30% Blockchain

30% Custom Software Development +2 services

15% Web Development

10% Mobile App 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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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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Sofia, Bulgaria

Boulevard Tsarigradsko Shose 111, Sofia Tech Park, Labs Building
Sofia, Bulgaria 1784
76 - 100

+359 879 411 007

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eLando

4.9 8 reviews

$25,000+

$50 - $99 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% IoT Development

30% Custom Software Development

10% Cloud Consulting & SI +5 services

10% Cybersecurity

10% IT Strategy Consulting

10% Low/No Code Development

10% Mobile App Development

10% Web Development

eLando is a software engineering company offering services such as software development, digital transformation, and technical audits. Reviews highlight their technical expertise, reliability, and ability to deliver projects on time and within budget. Approximately 100% of reviewers mention satisfaction with their project outcomes, and the company is praised for its professional communication, alignment with client values, and strong management.

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1 of 1 reviews is 5 stars

$200,000 – $999,999 avg. project cost

Reviewed 1 time in the past 6 months
In the past six months, eLando has received positive feedback for their skilled engineers and effective project management. Clients noted improved system performance and scalability, as well as accelerated release cycles, particularly in complex digital environments. A Chief People Officer highlighted their cultural alignment and excellent communication, stating that eLando's understanding of business needs facilitated smooth terms and team changes. Overall, sentiment remains highly favorable, with no significant areas for improvement reported.
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Average Project Cost Breakdown

$200,000 to $999,999 (3) $50,000 to $199,999 (2) $10,000 to $49,000 (1)

What Clients Have Said
Clients consistently highlight eLando AD's competitive pricing and strong value for money. One client noted the 'good value for cost' and timely deliveries, while another emphasized that their pricing fit their budget and delivered quality outcomes. Overall sentiment reflects satisfaction with financial aspects, as clients found eLando's services to exceed expectations relative to costs incurred, with many indicating they would recommend the company based on its value proposition.
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More responsive than most other service providers

eLando 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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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

4.8

Willing to Refer

5.0

Reviewers in Sofia commend eLando for their skilled team supporting enterprise software, video monitoring, and broadcast solutions. Their reliable delivery, technological innovation, and cost-effectiveness make them a trusted partner for high-complexity projects in the Bulgarian tech scene.
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Aionys

5.0 13 reviews

$5,000+

$25 - $49 / hr

50 - 249

Sofia, Bulgaria

Services provided

10% IoT Development

30% Custom Software Development

15% AI Development +4 services

15% Mobile App Development

10% Enterprise App Modernization

10% IT Staff Augmentation

10% Low/No Code Development

Aionys is an IoT Solutions company specializing in developing and implementing comprehensive systems to optimize operations in industries such as manufacturing. With a focus on automation and safety, they consistently deliver projects on time, enhancing operational efficiency. Reviewers highlight their agile project management, seamless implementation, and effective communication, with 100% of feedback being positive regarding their project execution and delivery.

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Reviews mention Flexible
Overall, Aionys has received positive feedback regarding their flexibility in adapting to client needs. Clients praised their responsiveness and ability to implement changes swiftly, with one stating, "Aionys stands out for its commendable flexibility and ability to adapt to client needs." Another client highlighted their capacity to solve complex problems creatively. This adaptability has fostered long-term partnerships, as noted by Intrex, who emphasized Aionys' consistent responsiveness and support throughout their collaboration.

Software Platform Dev for Automated Deployment & Testing Co

5.0 Jul 19, 2024

The project manager also implemented an agile methodology, which allowed for flexibility and adaptability. The project was divided into sprints, with each sprint delivering a usable piece of the system. This approach ensured continuous delivery and allowed for adjustments based on feedback and changing requirements.
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Custom Software & API Dev for Security Systems Provider

5.0 Feb 12, 2024

The Aionys team is very creative, flexible, responsive, and competent. Intrex is very pleased with our partnership.
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IT Staff Augmentation for Online Marketplace

5.0 Oct 20, 2023

Aionys is a very flexible company that works on our needs. I communicated with Ivan, CTO, and Co-founder. We followed Agile practices. As far as we had 10h differences it was highly important.
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Staff Augmentation for Startup Software Development Firm

5.0 Jul 19, 2023

Aionys stands out for its commendable flexibility and ability to adapt to client needs. Unlike some other companies I’ve worked with, they excelled in communication, making conveying ideas easy and tracking progress.
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Web Dev & Design for Financial Consulting Firm

5.0 Aug 15, 2022

Their flexibility and willingness to adapt to client needs were commendable.
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1 of 1 IoT Development reviews are 5 stars

$50,000 – $199,999 avg. project cost

IoT Development PROJECT HIGHLIGHT

Warehouse Management System for Trading Operations Company
5.0 — Aionys developed a warehouse management system for a trading company. Aionys developed and implemented a solution to optimize and automate the client's operations related to the storage of flammable Read more
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Average Project Cost Breakdown

$10,000 to $49,000 (3) $50,000 to $199,999 (3) $200,000 to $999,999 (1)

What Clients Have Said
Aionys has received positive feedback regarding their overall cost and value for money. Clients frequently mention that Aionys' pricing aligns well with their budgets, with one noting, "Pricing fit our budget" and another stating they offer "good value for cost." Overall sentiment reflects satisfaction with the cost-effectiveness of their services, as multiple clients highlighted the company's ability to deliver high-quality results without exceeding financial expectations.
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Italy (2) Lithuania (2) United States (2) Canada (1) Czech Republic (1) Slovakia (1) Sweden (1) Ukraine (1)

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Devision

4.9 12 reviews

$50,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Services provided

20% IoT Development

40% Custom Software Development

30% Web Development +1 service

10% Mobile App Development

Devision is a software development company specializing in custom software solutions, cloud services, and staff augmentation. Reviews indicate a high level of satisfaction with their technical capabilities and project management, with about 85% of reviews highlighting their professionalism and communication skills. While some feedback notes occasional challenges with time estimates, the majority praise Devision's commitment to quality and responsiveness, making them a strategic partner for complex projects.

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Industry Experience

Devision demonstrates expertise across various industries, including Energy & Natural Resources, Education, Human Resources, Software, IT Services, Hospitality & Leisure, Arts, Manufacturing, and Chemicals & Biotechnology. Feedback highlights their strengths in software development, project management, and clear communication. Clients commend Devision's ability to enhance product functionality and user experience, particularly in Education and IT Services, while also noting their responsiveness and transparency. Overall, sentiment is positive, suggesting that Devision is a valuable partner for industries seeking reliable software solutions.
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Energy & natural resources Education Human Resources Software IT Services Hospitality & leisure Arts, entertainment & music Manufacturing Chemicals & Biotechnology

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Average Project Cost Breakdown

$10,000 to $49,000 (3) Less than $10,000 (2) $50,000 to $199,999 (1)

What Clients Have Said
Devision has received positive feedback regarding their overall cost and value for money, with clients highlighting their competitive pricing and quality service. One client noted, 'Good value for cost,' while another emphasized that Devision's pricing fit their budget. Additionally, a recurring sentiment is the effective communication and project management that enhance the perceived value of their services. Overall, clients express satisfaction with Devision's cost-effectiveness and the quality of deliverables.
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Bulgaria (3) Netherlands (2) Croatia (1) Germany (1) Switzerland (1) United Arab Emirates (1) United States (1) England (1)

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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

4.3

Cost

5.0

Willing to Refer

5.0

Based in Sofia, Devision provides diverse digital solutions such as booking websites, brochure apps, and enterprise platforms for Bulgarian clients. Reviewers commend their technical skill, seamless project execution, and proactive communication, leading to enhanced operational efficiency and innovative market offerings.
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ThingsLog

5.0 1 review

$1,000+

Undisclosed

10 - 49

Sofia, Bulgaria

Services provided

40% IoT Development

20% IT Managed Services

10% AI Development +3 services

10% Application Management & Support

10% Mobile App Development

10% Web Development

ThingsLog is an IoT solutions provider that collaborates with businesses to enhance their projects, particularly in areas like cybersecurity and consumption monitoring. Feedback indicates a high level of satisfaction, with clients noting their innovative and cost-efficient solutions that reduced leaks by 35%. The company is praised for its effective project management and responsiveness, with 100% of reviewers expressing positive impressions.

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Industry Experience

ThingsLog has demonstrated strong expertise in the IT Services industry, particularly in IoT solutions and cybersecurity. Their innovative approaches have led to significant impacts, such as a 35% reduction in consumption leaks for clients. The team is noted for its exceptional project management and responsiveness, fostering long-term collaborations. Potential clients in IT services seeking advanced IoT integrations and data solutions would find ThingsLog a valuable partner.
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IT Services

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Average Project Cost Breakdown

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

What Clients Have Said
Clients highlight ThingsLog's competitive pricing and the high value delivered through innovative IoT solutions. One client noted a $50,000–$60,000 investment, emphasizing that their collaboration has led to a 35% reduction in consumption leaks, showcasing cost efficiency. Overall, the sentiment is positive, with clients expressing satisfaction with the quality of service relative to investment, recommending ThingsLog as a wise choice for potential customers.
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Review Rating from Clients

5.0/5.0

Quality

4.5

Schedule

4.0

Cost

5.0

Willing to Refer

5.0

Based in Sofia, Bulgaria, ThingsLog is recognized for their advanced IoT solutions and cybersecurity services, notably reducing leakages for Diamatix. Their dedicated team manages complex projects efficiently, demonstrating strong technical expertise and a proactive approach that impresses local clients.
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Dision

5.0 1 review

$10,000+

$50 - $99 / hr

2 - 9

Sofia, Bulgaria

Services provided

20% IoT Development

40% Mobile App Development

20% UX/UI Design +2 services

10% Wearable App Development

10% Web Development

Dision is an Android app development company known for its strong technical expertise and efficient project management. They have received primarily positive feedback, with reviewers highlighting their organizational skills and ability to integrate seamlessly with client teams. Approximately 80% of reviews commend their ability to handle complex projects and embrace new development practices, although some minor communication challenges due to cultural differences were noted.

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Industry Experience

Dision has demonstrated strong expertise in the Information Technology sector, particularly in mobile app development for preschool administration. Clients commend their organizational skills, timely delivery, and adaptability to client processes. They have successfully developed Android applications, enhancing user engagement with innovative features like real-time notifications. Overall, sentiment in this industry is positive, highlighting Dision's effective collaboration and commitment to overcoming technical challenges, making them a solid choice for clients seeking robust development support.
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Information technology

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Average Project Cost Breakdown

$10,000 to $49,000 (1)

What Clients Have Said
Clients have expressed satisfaction with Dision's overall cost-effectiveness, noting a significant return on investment for their projects. One client invested nearly $50,000 and reported impressive engagement metrics, including 1,500 weekly active users for their Android app. The sentiment is largely positive, with clients appreciating Dision's organized approach and timely delivery, indicating strong value for money. However, some communication challenges were noted, primarily due to cultural differences, but this did not detract from the perceived value.
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Sofia, Bulgaria

ul. Tsaribrodska 94
Sofia, Bulgaria 1309
2 - 5

+359.87.656.6334

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MENA Software

4.8 4 reviews

$5,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% IoT Development

25% Blockchain

15% Back Office Outsourcing +5 services

10% BI & Big Data Consulting & SI

10% Business Consulting

10% Custom Software Development

10% Mobile App Development

10% Web Development

MENA Software is a versatile software development company specializing in platform development, blockchain solutions, and app creation. Their services have received overwhelmingly positive feedback, with approximately 100% of clients noting their effective project management and dedication. Clients consistently highlight the company's strong competence, high-quality output, and affordability, with no major areas for improvement suggested.

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Reviews mention Reasonable pricing
Clients have expressed positive sentiments regarding MENA Software's reasonable pricing. One client noted that the company provided software updates at an 'affordable price,' highlighting the value offered. Additionally, feedback emphasized their 'great prices' alongside commendable service quality, indicating that clients feel they receive excellent value for their investment. Overall, MENA Software is perceived as a cost-effective option for software development services.

Software Update for Online Consulting Service

5.0 Oct 19, 2018

The way they work and deal with customers is remarkable. They also offer great prices.
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Industry Experience

MENA Software has demonstrated expertise across several industries, including Information Technology, Advertising & Marketing, Gaming, and IT Services. Clients commend their project management effectiveness and technical competence, with particular praise for their ability to deliver high-quality solutions efficiently. Feedback indicates strong satisfaction in software development and design, particularly in blockchain and gaming projects, suggesting they are well-suited for clients in these sectors looking for reliable and innovative technology partners.
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Information technology Advertising & marketing Gaming IT Services

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Bulgaria (2) United Arab Emirates (1)

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Review Rating from Clients

4.8/5.0

Quality

5.0

Schedule

4.8

Cost

5.0

Willing to Refer

4.8

Sofia-based clients praise MENA Software for their expertise in custom platform development, blockchain solutions, and QA testing. Projects ranged from user-friendly systems to complex blockchain projects, with clients highlighting their dedication, effective management, and technical competence.
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findy IoT

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sofia, Bulgaria

Services provided

70% IoT Development

15% Custom Software Development

15% Engineering

Findy IoT is an IoT development company. They were launched in 2015 and provide IoT development and Custom Software Development.
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IndigoVerge

Not yet reviewed

$10,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

30% IoT Development

30% Custom Software Development

15% Web Development +3 services

10% Business Consulting

10% Mobile App Development

5% Social Media Marketing

IndigoVerge is a software development company. In Sofia, Bulgaria, the firm was launched in 2006. Their team focuses on Custom Software Development and IoT development.
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Soitron

Not yet reviewed

$5,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Services provided

10% IoT Development

25% IT Managed Services

20% IT Staff Augmentation +4 services

15% Cybersecurity

15% Web Development

10% Custom Software Development

5% Back Office Outsourcing

Soitron is a Bratislava 25, Slovakia-based IT managed services company. The team provides IT managed services and IT staff augmentation.
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Sofia, Bulgaria

XS Tower, 5 “Panorama Sofia” Str.
Sofia, Bulgaria 1766
76 - 100

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Wildorb Interactive Design Studio

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% IoT Development

10% Application Testing

10% Branding +7 services

10% Custom Software Development

10% E-Commerce Development

10% Graphic Design

10% Mobile App Development

10% UX/UI Design

10% Web Design

10% Web Development

Wildorb Interactive Design Studio, a software development firm, is based in Sofia, Bulgaria. They provide Custom Software Development and UX/UI Design.
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NCB Ltd

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% IoT Development

30% Custom Software Development

30% Web Development +2 services

20% Application Testing

10% Blockchain

Founded in 2013, NCB Ltd is a software development firm. Their team offers Custom Software Development and Web Development.
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OBG

Not yet reviewed

$10,000+

$25 - $49 / hr

2 - 9

Sofia, Bulgaria

Services provided

10% IoT Development

30% Mobile App Development

30% Web Development +3 services

10% Custom Software Development

10% Enterprise App Modernization

10% IT Managed Services

App development firm OBG was founded in 2014. The team focuses on Mobile App Development and Web Development and is based in Sofia, Bulgaria.
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Smartaly

Not yet reviewed

$25,000+

$50 - $99 / hr

10 - 49

Pravets, Bulgaria

Services provided

60% IoT Development

20% AI Development

20% Custom Software Development

Smartaly, an IoT development company, was founded in 2019. The team specializes in IoT development and Custom Software Development and is in La Roquette-sur-Siagne, France and Pravets, Bulgaria.
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Pravets, Bulgaria

sq. Todor Jivkov
Pravets, Bulgaria 2161
16 - 20

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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 Sigma Software Group

2 BGO Software - The Digital Health Lab

3 App Streams Ltd

4 Civitta

5 Quanterall

6 eLando

7 Aionys

8 Devision

9 ThingsLog

10 Dision

11 MENA Software

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 11 Sofia IoT Developers

Sigma Software Group

$50,000+

$50 - $99 / hr

1,000 - 9,999

Sofia, Bulgaria

Ability to deliver

37.6/40.0

17.8/20 Reviews

10/10 Clients & Experience

9.8/10 Market Presence

Service focus

10% IoT Development

90% Other

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BGO Software - The Digital Health Lab

$10,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

35.3/40.0

17/20 Reviews

10/10 Clients & Experience

8.3/10 Market Presence

Service focus

10% IoT Development

90% Other

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App Streams Ltd

$25,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

35.6/40.0

17.8/20 Reviews

10/10 Clients & Experience

7.8/10 Market Presence

Service focus

10% IoT Development

90% Other

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Civitta

$25,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Ability to deliver

33.8/40.0

16.8/20 Reviews

10/10 Clients & Experience

7/10 Market Presence

Service focus

10% IoT Development

90% Other

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Quanterall

$50,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

33.5/40.0

16.2/20 Reviews

10/10 Clients & Experience

7.2/10 Market Presence

Service focus

15% IoT Development

85% Other

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eLando

$25,000+

$50 - $99 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

32.2/40.0

17.6/20 Reviews

10/10 Clients & Experience

4.6/10 Market Presence

Service focus

10% IoT Development

90% Other

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Aionys

$5,000+

$25 - $49 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

30.7/40.0

17.6/20 Reviews

7.8/10 Clients & Experience

5.3/10 Market Presence

Service focus

10% IoT Development

90% Other

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Devision

$50,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

28.7/40.0

16.2/20 Reviews

7.2/10 Clients & Experience

5.2/10 Market Presence

Service focus

20% IoT Development

80% Other

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ThingsLog

$1,000+

Undisclosed

10 - 49

Sofia, Bulgaria

Ability to deliver

22.7/40.0

16.2/20 Reviews

1.2/10 Clients & Experience

5.3/10 Market Presence

Service focus

40% IoT Development

60% Other

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Dision

$10,000+

$50 - $99 / hr

2 - 9

Sofia, Bulgaria

Ability to deliver

21.4/40.0

16.2/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

20% IoT Development

80% Other

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MENA Software

$5,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

20.8/40.0

15.6/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

10% IoT Development

90% Other

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findy IoT

Undisclosed

Undisclosed

10 - 49

Sofia, Bulgaria

Ability to deliver

12.6/40.0

0/20 Reviews

8/10 Clients & Experience

4.6/10 Market Presence

Service focus

70% IoT Development

30% Other

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IndigoVerge

$10,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

9.3/40.0

0/20 Reviews

4/10 Clients & Experience

5.3/10 Market Presence

Service focus

30% IoT Development

70% Other

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Soitron

$5,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Ability to deliver

8.8/40.0

0/20 Reviews

3.2/10 Clients & Experience

5.6/10 Market Presence

Service focus

10% IoT Development

90% Other

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Wildorb Interactive Design Studio

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

5.2/40.0

0/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

10% IoT Development

90% Other

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NCB Ltd

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

10% IoT Development

90% Other

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OBG

$10,000+

$25 - $49 / hr

2 - 9

Sofia, Bulgaria

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

10% IoT Development

90% Other

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Smartaly

$25,000+

$50 - $99 / hr

10 - 49

Pravets, Bulgaria

Ability to deliver

4.9/40.0

0/20 Reviews

0/10 Clients & Experience

4.9/10 Market Presence

Service focus

60% IoT Development

40% Other

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List of the Top Sofia IoT Developers

Reviewed 2 times in the past 6 months

Industry Experience

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Sigma Software Group is very responsive

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Civitta is very responsive

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Reviewed 1 time in the past 6 months

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eLando is very responsive

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List of the Top 11 Sofia IoT Developers

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