Top Internet of Things Companies in Sofia

Ratings Updated: March 24, 2026

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10 Leaders 8 Contenders

18 Companies

Country: Bulgaria

City: Sofia

List of the Top Sofia IoT Developers

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Yalantis

4.8 78 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 a distinguished IoT App Development company, noted for its outstanding custom healthcare software solutions. With 100% positive feedback, clients commend their seamless integration, consistent team continuity, and ability to deliver complex IoT integrations under tight deadlines. Yalantis is praised for its reliable outcomes, professionalism, and role as a strategic tech partner, making it an ideal choice for IoT solutions.

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1 of 1 IoT Development reviews are 5 stars

$1,000,000 – $9,999,999 avg. project cost

IoT Development PROJECT HIGHLIGHT

IoT & Mobile App Development for IoT Hardware & Software Co
5.0 — Yalantis provided development services for an IoT hardware and software company. The team extended the client's network and app version 2.0 and offered iOS and Android development, QA, and project Read more
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Industry Experience

Yalantis has demonstrated expertise across various industries, including healthcare, eCommerce, advertising & marketing, and information technology. Clients commend their strong project management, effective communication, and adaptability, particularly in the healthcare sector, where they excelled in custom software development and real-time integration. In eCommerce and advertising, their ability to deliver optimized solutions under tight deadlines has been noted. Overall, Yalantis is well-suited for organizations seeking reliable tech partnerships in these sectors.
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Software Supply Chain, Logistics, and Transport Healthcare eCommerce Information technology 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

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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
Clients consistently highlight Yalantis's competitive pricing and excellent value for money. For instance, one client noted that Yalantis's pricing fit their budget while delivering high-quality work. Another client emphasized that the quality of Yalantis's services justified their costs, stating they received better results compared to more expensive alternatives. Overall, feedback reflects satisfaction with the balance of cost and deliverables, reinforcing Yalantis's reputation as a cost-effective partner in software development.
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Indeema

5.0 77 reviews
Premier Verified

$50,000+

$50 - $99 / hr

50 - 249

Serves Sofia, Bulgaria

Services provided

40% IoT Development

20% AI Development

10% AI Agents +3 services

10% Custom Software Development

10% Product Design

10% UX/UI Design

Indeema is a company specializing in IoT development and consulting services, offering expertise in IoT app development, device development, and integration. Feedback from their clients is overwhelmingly positive, with 100% of reviews highlighting their technical expertise, effective project management, and commitment to client satisfaction. Clients consistently commend Indeema for its proactive approach and seamless communication, with no significant areas for improvement noted.

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2 of 2 reviews are 5 stars

1 new review for IoT Development services

$10,000 – $49,000 avg. project cost

Reviewed 2 times in the past 6 months
In recent reviews, clients have expressed high satisfaction with Indeema's performance, highlighting their exceptional responsiveness and commitment to project timelines. One CEO noted the team's ability to deliver hardware prototypes ahead of schedule while maintaining quality. Another client emphasized Indeema's thorough project management and their proactive engagement in understanding business needs. Overall, the sentiment is overwhelmingly positive, with no significant areas for improvement mentioned.
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Industry Experience

Indeema Software has demonstrated significant expertise across a variety of industries including Consumer Products & Services, Financial Services, Advertising & Marketing, and Education. Clients consistently praise their project management, responsiveness, and technical proficiency, particularly in developing complex applications and hardware solutions. The overall sentiment is highly positive, highlighting their innovative approach and ability to meet project requirements effectively. These attributes make them particularly well-suited for projects in tech-driven sectors, healthcare, and consumer services.
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Engineering Energy & natural resources Retail Agriculture Consumer Products Nonprofit Sports Restaurants Research Consulting IT Services Other Industry Business services Arts, entertainment & music Software Other industries Education Manufacturing Healthcare Information technology Construction Financial services Advertising & marketing Consumer products & services

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More responsive than most other service providers

Indeema 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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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 specialized IoT Development company offering services such as IoT App Development and IoT Consulting. Across the reviews, 100% of clients praised their effective communication, timely delivery, and high-quality coding. Clients were particularly impressed with their project management skills and ability to scale development teams, with 80% commending their expertise in IoT Solutions and IoT Integration.

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Reviews mention Proactive
Client feedback highlights Cogniteq's proactive approach, with multiple instances of effective communication and timely responses. One client noted their developer's 'consistent ability to offer effective solutions' during challenges. Another emphasized the team's 'proactive discussion of potential challenges' before making commitments, ensuring alignment throughout projects. Overall, the sentiment is overwhelmingly positive, reflecting satisfaction with Cogniteq's proactive engagement and commitment to client success.

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

5.0 Feb 9, 2024

The team consistently met all deadlines but if they anticipated challenges in meeting specific feature deadlines, they proactively discussed them with us before making commitments. 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.
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IT Staff Augmentation for Software Dev Company

5.0 Jan 15, 2024

What stood out to me was their proactive approach—whenever unsure, they consistently approached us with questions. Their commitment to clarifying requirements before diving into development was commendable. In contrast to some other companies I've encountered, where project managers rushed into building without a thorough understanding, we truly appreciated their cautious and thorough approach.
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iOS & Android App Dev for Career Platform Startup

5.0 Feb 8, 2021

The Cogniteq-team is competent, proactive, flexible and they show great dedication to the project. They also take pride in their performance. And most of all: they are incredibly kind! We look forward to working with them on the next phase of the development.
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IT Staff Augmentation for Software Development Company

5.0 Oct 28, 2025

The developer has consistently delivered high-quality work, met project milestones, and maintained clear and proactive communication throughout the engagement. Cogniteq demonstrated effective project management by scheduling regular short meetings to stay in sync and gather feedback from our side. Most impressive about Cogniteq was the easy and straightforward communication, as well as their consistent ability to offer effective solutions whenever challenges arose.
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Software Development for Agricultural IoT Platform Company

5.0 Mar 23, 2026

An exceptionally engaged project manager. Proactive in our monthly check-ins and consistently available at short notice whenever the need arose.
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3 of 3 IoT Development reviews are 5 stars

$10,000 – $49,000 avg. project cost

IoT Development PROJECT HIGHLIGHT

Mobile App Dev for Control Systems Manufacturer
5.0 — Cogniteq developed an Android app for a control systems manufacturer. After learning the goals, they helped validate the client's IoT solution with a proof-of-concept app. Read more
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Industry Experience

Cogniteq has demonstrated expertise across various industries, including Consumer Products, Information Technology, Automotive, and Advertising. Clients commend their flexible team structure, timely delivery, and strong communication skills. The overall sentiment is positive, highlighting Cogniteq's ability to adapt to different sectors, from developing IoT solutions in consumer products to creating mobile applications for healthcare and travel industries. This adaptability makes them a suitable partner for diverse projects, especially in tech-driven environments.
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Business services Consulting IT Services Advertising & marketing Medical Engineering Healthcare Automotive Design Telecommunications Pharmaceuticals Media Software Consumer products & services Information technology

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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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BGO Software - The Digital Health Lab

4.8 18 reviews

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Premier Verified

$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 creating tailored digital solutions, particularly in healthcare and security industries. Across multiple reviews, they consistently receive praise for their technical expertise, professionalism, and alignment with company values. Impressively, 100% of reviewers mentioned their excellent project management skills and adaptability, while no negative feedback was reported, indicating an overall positive client experience.

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Reviews mention Unique expertise
Clients consistently commend BGO Software for their unique technical expertise, particularly in transitioning applications to modern technologies like HTML5. One client highlighted their proficiency in ASP.NET and architecture, noting a smooth project management experience and strong communication despite time zone differences. The ongoing collaboration over 2.5 years further underscores their reliability. However, some clients suggest that clearer initial scoping could enhance project estimates, emphasizing the need for technical liaisons during engagements.

Management Software Dev for Consulting Firm

4.0 Oct 10, 2017

They have a good deal of technical expertise. If a U.S. company is looking to interact with them, they should have someone technical on the U.S. side to serve as sort of a liaison.
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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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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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Civitta

4.9 23 reviews
Verified

$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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Reviews mention Creative
Clients consistently praise Jazz Pixels for their creativity and innovative solutions. One client highlighted the team's ability to go beyond specifications, offering creative solutions and improvement ideas that enhanced the final product. The design quality was also noted as being well-received in the market, indicating a strong alignment with client expectations. Overall, feedback reflects a positive sentiment towards Jazz Pixels' creative capabilities and their proactive approach to project development.

Web Dev for Digital Marketing Company

5.0 Sep 9, 2020

JazzPixels has a talented team of professionals who often go beyond just working the spec, they provide creative solutions and improvement ideas for our products.
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Industry Experience

HackTech has demonstrated strong expertise across various industries, particularly in Advertising & Marketing, IT Services, Wellness & Fitness, and Software Development. Clients praised their ability to lower acquisition costs and enhance operational efficiency in marketing, deliver high-quality software solutions for IT, and develop AI-based tools in wellness. Overall sentiment indicates high satisfaction, reinforcing HackTech's strengths in communication, project management, and technical proficiency, making them suitable for clients in these sectors seeking innovation and efficiency.
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Other industries Wellness & Fitness Information technology IT Services Business services Healthcare Other Industry Media Software Advertising & marketing Consulting Financial services

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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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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 versatile software development company specializing in frontend and backend development, mobile and web applications, and UX/UI design. Their reviews highlight a 100% satisfaction rate, with clients praising their responsive project management, innovative solutions, and strong cultural alignment. Notably, 75% of reviewers commend their ability to meet deadlines and swiftly adapt to client needs, showcasing their reliability and dedication.

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Reviews mention Professional
Clients have consistently praised App Streams Ltd for their professionalism and strong communication skills. One client, a CTO of a manufacturing company, noted the 'good communication' and 'very responsive' nature of the team, highlighting the cultural fit and professionalism of the employees as particularly impressive. Overall, the sentiment regarding professionalism is highly positive, although there is a suggestion for improved communication regarding resource availability.

Mobile App Development for Manufacturing Company

5.0 Apr 30, 2023

We liked the culture fit and professionalism of their employees.
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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, client feedback for App Streams Ltd has been overwhelmingly positive, highlighting their responsiveness and dedication. Clients praised their ability to meet tight deadlines and deliver high-quality work, such as restoring critical app functionalities and developing intuitive user interfaces. Specific instances include a successful app launch with 50,000 downloads and effective collaboration leading to significant operational improvements. Overall, clients expressed satisfaction with the team's professionalism and adaptability, with no noted areas for improvement.
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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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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

4.5

App Streams Ltd in Sofia excels in creating web and mobile solutions, demonstrated by their successful launch of an e-bike fleet management system. Clients commend their responsiveness, cultural compatibility, and project management, making them a reliable partner for complex tech projects in the region.
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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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Reviews mention Flexible
Client feedback highlights Quanterall's flexibility throughout the project, particularly in adapting to changes in business strategy and software functionalities. One client noted the team's ability to accommodate necessary adjustments, stating, 'Quanterall team acts with flexibility which is appreciated by us as a customer.' Overall, the sentiment regarding flexibility is highly positive, with clients valuing their responsiveness and willingness to incorporate feedback during the development process.

Software Integration for Logistics Company

5.0 Nov 12, 2021

Communication is at a very high level within the company through several channels allowing our team to be in constant knowledge of the current stage and interfere at any needed moment. Quanterall team acts with flexibility which is appreciated by us as a customer.
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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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Industry Experience

eLando AD has demonstrated strong expertise across various industries including Information Technology, Retail, and Insurance. Clients in IT highlighted their technical proficiency and responsiveness, while feedback from the Retail sector emphasized their agile approach resulting in improved operational efficiencies. The Insurance industry praised their ability to support digitization and deliver on time. Overall, sentiment across these sectors reflects satisfaction with eLando's reliability, technical skills, and alignment with client values, making them well-suited for projects in technology-driven environments.
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Consulting IT Services Retail Other Industry Information technology

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More responsive than most other service providers

eLando is very responsive
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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

Located in Sofia, Bulgaria, eLando AD delivers complex software for satellite broadcasting and data analysis. Clients commend their Java/C++ expertise, cost-effectiveness, and reliable project execution, emphasizing their ability to develop critical components for high-stakes communication systems with a professional team.
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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 Timely
Aionys has consistently received positive feedback regarding their timeliness in project delivery. Clients noted that they met deadlines effectively, with one stating, "they consistently delivered items on time, which is very reassuring." Another client highlighted their agile management approach, accommodating urgent requests and maintaining clear communication throughout the project. Overall, the sentiment surrounding timeliness is overwhelmingly favorable, with clients appreciating Aionys' ability to deliver high-quality work within set timelines.

Software Platform Dev for Automated Deployment & Testing Co

5.0 Jul 19, 2024

The project was delivered on time and within budget, meeting all the objectives and expectations. It was a testament to effective project management. Regular meetings were held to discuss progress, address issues, and align on objectives. This ensured that both teams were always on the same page and could work together seamlessly.
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Warehouse Management System for Trading Operations Company

5.0 Apr 25, 2024

Our project management experience with Aionys was quite positive overall. They consistently met deadlines and even accommodated some of our urgent requests by adjusting their workflow accordingly. They were agile in their management approach, which allowed for frequent communication and incremental delivery of project items.
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IT Staff Augmentation for Online Marketplace

5.0 Oct 20, 2023

We have consistently set clear deadlines, and they have consistently delivered items on time, which is very reassuring. Aionys is a very flexible company that works on our needs. We have been working together for a long time, and our project management process is well-established.
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Staff Augmentation for Startup Software Development Firm

5.0 Jul 19, 2023

We had a specific request with details, and we received everything just as we had wished for. Excellent technical expertise, participation in the process, and on-time delivery. Everything was good in my opinion, including the timely delivery, excellent communication, and expertise.
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Mobile App Development for Real Estate Company

5.0 Aug 23, 2022

The project manager was easy to communicate with. We communicated via phone calls and messages. Everything was delivered on time. All requirements were fulfilled on time.
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Industry Experience

Aionys has demonstrated expertise across various industries, including IT Services, Manufacturing, Healthcare, eCommerce, and Real Estate. Feedback indicates strengths in project management, adaptability, and technical skills. Clients in IT Services praised their ability to develop scalable platforms, while those in Manufacturing highlighted successful automation of operations. In Healthcare, they provided specialized software solutions effectively. Overall, sentiment across industries is overwhelmingly positive, indicating Aionys as a strong candidate for projects requiring technical expertise and effective communication.
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IT Services Manufacturing Other Industry Arts, entertainment & music eCommerce Healthcare Software Real estate Consulting Financial services Design

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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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Reviews mention Trustworthy
Clients express high trust in Devision's capabilities, highlighting their transparent communication and technical expertise. One client noted, "We thoroughly trust their competencies" and praised their ability to meet requirements consistently. Devision's successful handling of critical projects and their proactive approach in project management further reinforce their reliability as a strategic partner. Overall, client sentiment reflects a strong sense of trustworthiness, with many recommending Devision for future collaborations.

Automation Solutions Dev for Electrical Tech Company

5.0 Sep 6, 2018

We chose Devision to support one of the three main projects we’re currently developing. Based on their past performance, they’re the best team to take on this endeavor. We thoroughly trust their competencies. At no point have they struggled to meet any of our requirements.
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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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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

4.3

Cost

5.0

Willing to Refer

5.0

Sofia-based Devision excels in web and app development, delivering complex solutions like booking platforms and management tools for Bulgarian clients. Reviewers praise their technical expertise, effective project management, and quick communication, resulting in increased revenue and innovative industry-specific products.
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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

In Sofia, Diamatix highlights ThingsLog’s expertise in IoT development and cybersecurity, successfully executing large-scale projects like leak detection systems. Their team’s innovation, responsiveness, and project management skills have earned high client satisfaction and cost-efficient results.
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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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Average Project Cost Breakdown

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

What Clients Have Said
MENA Software has received positive feedback regarding their overall cost and value for money. Clients highlighted their cost-effective solutions, with one stating that their services were 'affordable' and another noting that they provided 'excellent' service at great prices. Additionally, a client emphasized the team's efficiency and project management, describing them as 'cost-effective' and 'professional.' Overall, clients express high satisfaction with the value received for the investment made.
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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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Process of Things - PoT

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Sofia, Bulgaria

Services provided

50% IoT Development

50% Blockchain

Process of Things - PoT is a small Blockchain and IoT development company founded in 2018. Their services include Blockchain and IoT development.
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Why Trust Clutch

At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

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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 App Streams Ltd

2 Civitta

3 BGO Software - The Digital Health Lab

4 Quanterall

5 eLando

6 Aionys

7 Devision

8 ThingsLog

9 Dision

10 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 10 Sofia IoT Developers

App Streams Ltd

$25,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

36/40.0

18.2/20 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

34.4/40.0

17.4/20 Reviews

10/10 Clients & Experience

7/10 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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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

32.8/40.0

18.2/20 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

View Profile Visit Website
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

View Profile Visit Website
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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Process of Things - PoT

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

50% IoT Development

50% Other

View Profile Visit Website

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List of the Top Sofia IoT Developers

IoT & Mobile App Development for IoT Hardware & Software Co

Industry Experience

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Reviewed 2 times in the past 6 months

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Indeema is very responsive

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Civitta is very responsive

Reviews mention Professional

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Reviewed 4 times in the past 6 months

Industry Experience

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Reviews mention Flexible

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eLando is very responsive

Reviews mention Timely

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Mobile App Development for Real Estate Company

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Reviews mention Trustworthy

Automation Solutions Dev for Electrical Tech Company

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List of the Top 10 Sofia IoT Developers

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