Top Internet of Things Companies in Sofia

Ratings Updated: March 3, 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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Reviews mention Innovative
Clients have expressed a strong sentiment of innovation regarding Yalantis, highlighting their creative problem-solving abilities and cultural fit. One CTO noted that the Yalantis team was not only technically skilled but also encouraged innovative solutions throughout the project. The client's emphasis on Yalantis's ability to push for innovation while delivering a complex payment integration further reinforces this positive feedback. Overall, the sentiment reflects a high level of satisfaction with Yalantis's innovative approach to project delivery.

Custom Software Development for Transport Co

5.0 Nov 14, 2024

The team was carefully selected for the requirements of the work, not only for technical ability, but for cultural fit as well. This was a key factor for us as we needed team members that were able to get the work done, be creative in solution development and also push us to be as innovative as possible during the delivery of this project.
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2 of 2 reviews are 5 stars

Unknown avg. project cost

Reviewed 2 times in the past 6 months
Recent client feedback on Yalantis highlights a strong focus on project management and problem-solving capabilities. Clients reported successful outcomes, such as launching new platforms and optimizing existing systems. Notably, one client praised Yalantis for going 'above and beyond', while another emphasized their effective communication and cultural fit. Overall sentiment is highly positive, with no significant areas for improvement identified, indicating a strong alignment between Yalantis and their clients' needs.
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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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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% Custom Software Development +4 services

10% Product Design

10% UX/UI Design

5% AI Agents

5% AI Consulting

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
Recent client feedback for Indeema highlights their exceptional project management and technical expertise. A CEO noted their team's responsiveness and commitment, consistently delivering ahead of schedule while adhering to industry best practices. Another client emphasized their thorough approach, stating that Indeema actively engages in project discussions, enhancing the overall development process. Overall, sentiment is overwhelmingly positive, with clients expressing satisfaction and no significant areas for improvement identified.
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Average Project Cost Breakdown

$10,000 to $49,000 (25) $50,000 to $199,999 (22) $200,000 to $999,999 (9) Less than $10,000 (7) $1,000,000 to $9,999,999 (2)

What Clients Have Said
Clients have expressed strong satisfaction with the overall cost and value for money provided by the companies. For instance, a client noted that Perfsol delivered high-quality work at competitive prices, emphasizing their transparent communication and responsiveness. Another client appreciated Vakoms for being flexible and providing great value, stating they delivered on time and aligned well with budget expectations. Overall, feedback indicates that both companies offer excellent value relative to their pricing, with many clients highlighting their reliability and professionalism.
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More responsive than most other service providers

Indeema is very responsive
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Kraków, Poland

Szlak Street, building 77, apartament 222
Kraków, Poland 30
50 - 75

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Cogniteq

4.9 42 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 distinguished company specializing in IoT Solutions, IoT App Development, and IoT Integration. With approximately 100% of reviewers highlighting their proficiency in IoT projects, clients commend their high-quality coding, effective project management, and excellent communication. The firm is noted for its capability to align with client values and resolve technical challenges efficiently, exemplifying their expertise in cyber-physical software development.

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Reviews mention Dedicated
Clients have expressed a highly positive sentiment regarding Cogniteq's dedication to their projects. One client noted the team’s competence, proactivity, and flexibility, highlighting their impressive commitment and pride in performance. The effective communication and collaborative spirit were also praised, with the client feeling as though they were 'one team.' Overall, the feedback underscores Cogniteq's strong dedication, contributing to successful project outcomes.

Web & App Dev for Product Development Agency

5.0 Jan 22, 2021

Aside from the quality engineers, our point of contact is very friendly, helpful, understanding and dedicated to genuinely helping us. Communication is excellent and they never drop the ball. On the engineering side, their team members are very dedicated and hard-working. Even though they are not directly employed by us, they really care for our projects, which is fantastic (and rare).
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Average Project Cost Breakdown

$10,000 to $49,000 (7) $200,000 to $999,999 (4) $50,000 to $199,999 (3) Less than $10,000 (1)

What Clients Have Said
Client feedback on Cogniteq highlights a consistent sentiment of good value for money and competitive pricing. Many clients noted that Cogniteq's pricing fit their budgets while providing high-quality deliverables. For instance, one client mentioned, "Good value for cost," while another highlighted their "excellent price-to-quality ratio." Overall, clients expressed satisfaction with the cost-effectiveness of Cogniteq's services, often remarking on the swift delivery and professional communication that accompanied their projects.
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More responsive than most other service providers

Cogniteq is very responsive
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Germany (7) England (5) Netherlands (4) Denmark (4) 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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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 High-quality work
Clients consistently praise BGO Software for delivering high-quality work that exceeds expectations. For instance, a Head of Product noted that the team delivered a fully-functional, market-ready product with excellent independent reviews. Similarly, a co-founder highlighted the team's ability to enhance and optimize their product beyond initial specifications. Feedback emphasized the proactive involvement, attention to detail, and strong communication, reinforcing the overall sentiment of satisfaction with the quality of deliverables.

Software, iPhone, & iPad Dev for Education Management App

5.0 Aug 14, 2018

BGO Software originally quoted around six months for this project and completed a major version within a little over four months. So far, there haven’t been any negative responses. Their team exceeded our requirements and took the updated system to a new level. Throughout the engagement, the team proactively improved on our original product with additional elements and solutions. They were expensive, but we got a lot for our money. The quality of their work justified the extra costs. We’ve had many positive experiences with BGO Software and we continue to partner with them on other projects.
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Product Development for Legal Software Company

5.0 Aug 3, 2018

The quality and personalized level of service BGO Software delivers is notably special. I appreciate their team’s consistent engagement, from the CEO down to individual developers. They’re always thinking two steps ahead. Many comparable firms only complete the exact work requested. BGO Software not only delivered on our full specifications but also optimized and improved them along the way based on expert knowledge. Having been in the industry for many years, this has been a totally unique experience for me. The entire team is doing a tremendous job. BGO Software's offices have a state-of-the-art environment. They offer extraordinary support both externally and internally. BGO Software produces high-quality products, and they're great communicators.
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Web Dev for National Health Agency

4.5 Sep 26, 2017

Their flexibility and passion for delivery are really impressive. They always go the extra mile, more so than another contractor would. BGO have always delivered admirable flexibility, where it is almost like a partnership, and their need to succeed is as great as ours. I have always been really impressed by the quality of service we’ve had. Any issues I have ever had are always minor; they are vastly outweighed by how positive BGO are with development and how much they want to help. They are very committed to producing high-quality work and working with you.
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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)

This provider is fluent in 2 languages:

English

Bulgarian

This provider is available in 2 time zones:

Greenwich Mean Time (GMT)

Eastern European Time (EET)

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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 Adaptable
Clients have consistently praised Mediapark for their adaptability in challenging situations. One project manager highlighted their impressive ability to adjust quickly and maintain a positive attitude amidst stress. The team was noted for their effective communication, staying on top of progress and troubleshooting issues promptly. Overall, the sentiment regarding adaptability is highly positive, with clients expressing satisfaction in their responsiveness and commitment to project success.

Mobile App Development for Insurance Agency

5.0 Apr 15, 2021

Mediapark truly cares about our project. Their ability to adapt to changing and stressful situations quickly and with a positive attitude was impressive. They have high-quality engineers.
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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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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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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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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, clients have praised App Streams Ltd for their exceptional responsiveness, quality of work, and effective project management. For instance, a head of product noted their team's dedication, even working late to meet deadlines. Another client highlighted their ability to exceed expectations in design and engineering, facilitating a successful product launch. Overall sentiment reflects strong satisfaction, with no significant areas for improvement identified across multiple reviews.
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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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More responsive than most other service providers

App Streams Ltd 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

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

Blockchain Development for IT Services Company

5.0 Jan 31, 2023

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

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

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Average Project Cost Breakdown

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

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

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eLando AD

4.9 7 reviews

$25,000+

$50 - $99 / hr

50 - 249

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 AD specializes in software development, offering services such as Java microservices, OSS/BSS modernization, and custom software solutions. The company is highly praised for their professionalism, timely delivery, and technical expertise, with approximately 100% of reviews highlighting their reliability, responsiveness, and value for cost. Their commitment to understanding client needs and delivering exceptional outcomes has been consistently acknowledged by clients.

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Reviews mention Timely
Overall, eLando AD has received positive feedback regarding their timeliness. Clients consistently noted that deliverables were completed on schedule and within budget. For instance, one client emphasized that all tasks were finished according to the pre-agreed timeline, while another highlighted their immediate response to urgent issues, always delivering items on time. The sentiment reflects a strong reliability in meeting deadlines and effectively addressing client needs.

Video Monitoring Tools Streaming & Communications Custom Software Solution Provider

5.0 Nov 10, 2023

Developed key components used by a critical service at the customer's site. Everything was delivered on time with good quality. Performed thorough research and applied new technologies whenever needed.
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Custom Software Development for Technology Consulting Company

5.0 Oct 5, 2023

Senior java developers onboarded very fast among other vendors for FlowOne/ UIV development, took action development responsibility, and delivered exceptional results in time and budget. Significant experience in FlowOne related projects since 2018 with skillful engineers working since the beginning of the collaboration, resulting in optimized delivery times (reduced time of feature deliveries to Production).
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Product Architecture & Dev Services for Consulting Company

5.0 Sep 27, 2023

A complex project, implementing a customizable workflow and providing secure access to multiple audiences was developed by eLando on time and on budget. Received very positive feedback from users. Project is easy to maintain and its architecture allows us to easily customize or modify it when business needs change.
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Custom Software Dev & Support for Insurance Company

5.0 Sep 20, 2023

Тested and closed pre-agreed phases of each individual project. Tasks are completed according to the pre-agreed time frame. They respond to our needs quite quickly even during non-working hours (when needed).
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Microservices & API Development for IT Services Company

5.0 May 6, 2025

The project management was characterized by perfect services and deliveries, always on time and budget. This reflects their commitment to timeliness and adherence to the project schedule. They fully responded to our needs, ensuring that all deliverables were met in a timely manner.
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Industry Experience

eLando AD has garnered positive feedback across various industries, including IT Services, Retail, Information Technology, Consulting, and Insurance. Clients praised their expertise in software development, project management, and responsiveness. Strengths highlighted include technical proficiency, timely delivery, and effective communication. Overall sentiment is strong, particularly in IT and Consulting, demonstrating their ability to enhance operational efficiency and customer satisfaction across diverse sectors.
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Consulting IT Services Retail Information technology Other Industry

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Average Project Cost Breakdown

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

What Clients Have Said
Clients consistently highlight eLando AD's competitive pricing and strong value for money. For instance, one CEO noted that their pricing fit the budget while providing good value for the cost. Similarly, another client remarked on eLando's ability to deliver high-quality work on time and within budget, reinforcing the overall sentiment that the company offers excellent cost-effectiveness along with impressive service quality.
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More responsive than most other service providers

eLando AD is very responsive
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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 Results-oriented
Aionys has received positive feedback regarding their results-oriented approach, with clients noting their ability to understand and address specific needs effectively. One client highlighted that Aionys consistently delivers projects within budget and deadlines, reflecting their commitment to project management. Their insights into client requirements have led to high satisfaction among end users, showcasing Aionys’ capability to enhance project outcomes without unnecessary costs.

Multiple Development Projects for Product Development Firm

5.0 Feb 11, 2020

Our clients are very happy with all of the projects we’ve worked on together, which speaks to both our efforts and Aionys’ insights. They’re able to understand what’s useful to our clients and address their needs without pushing the project budget up through unnecessary add-ins. As far as managing projects, they’re pretty accurate. The team sticks to deadlines and always stay within their quotes.
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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 Unique expertise
Clients consistently highlight Devision's unique expertise in solution architecture and their ability to adapt to new technologies. One client noted their 'technical knowledge necessary to fulfill our requests' and praised their success in managing 'design decisions' autonomously. Another emphasized Devision's skill in integrating into existing business processes, ensuring a seamless collaboration. Overall, the sentiment is highly positive, with clients expressing trust in Devision's capabilities and recommending their involvement from the initial design phase of projects.

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. They've managed to scale up as we allocate more responsibilities to their team. We thoroughly trust their competencies. At no point have they struggled to meet any of our requirements. They always have the technical knowledge necessary to fulfill our requests and take architectural responsibility for the solutions they build.
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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

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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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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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

Clients in Sofia highlight MENA Software’s proficiency in software development, blockchain projects, and quality assurance. They value the team's dedication, technical skill, and seamless workflow, resulting in successful, innovative solutions tailored to their business needs.
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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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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 BGO Software - The Digital Health Lab

3 Civitta

4 Quanterall

5 eLando AD

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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BGO Software - The Digital Health Lab

$10,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

35.5/40.0

17.2/20 Reviews

10/10 Clients & Experience

8.3/10 Market Presence

Service focus

10% IoT Development

90% Other

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Civitta

$25,000+

$50 - $99 / hr

250 - 999

Vilnius, Lithuania

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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Quanterall

$50,000+

$50 - $99 / hr

50 - 249

Varna, Bulgaria

Ability to deliver

33.5/40.0

16.2/20 Reviews

10/10 Clients & Experience

7.2/10 Market Presence

Service focus

15% IoT Development

85% Other

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eLando AD

$25,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

32.8/40.0

17.6/20 Reviews

10/10 Clients & Experience

5.2/10 Market Presence

Service focus

10% IoT Development

90% Other

View Profile Visit Website
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

View Profile Visit Website
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

Walnut Creek, CA

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

View Profile Visit Website
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

Bratislava 25, Slovakia

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

La Roquette-sur-Siagne, France

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

View Profile Visit Website
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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Top Internet of Things Companies in Sofia

List of the Top Sofia IoT Developers

Reviews mention Innovative

Custom Software Development for Transport Co

Reviewed 2 times in the past 6 months

IoT & Mobile App Development for IoT Hardware & Software Co

Industry Experience

Select Industry to see insights

Reviewed 2 times in the past 6 months

Average Project Cost Breakdown

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Indeema is very responsive

Reviews mention Dedicated

Web & App Dev for Product Development Agency

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Cogniteq is very responsive

Reviews mention High-quality work

Software, iPhone, & iPad Dev for Education Management App

Product Development for Legal Software Company

Web Dev for National Health Agency

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Adaptable

Mobile App Development for Insurance Agency

Average Project Cost Breakdown

What Clients Have Said

Reviewed 4 times in the past 6 months

Industry Experience

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App Streams Ltd is very responsive

Reviews mention High-quality work

Blockchain Development for IT Services Company

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Reviews mention Timely

Video Monitoring Tools Streaming & Communications Custom Software Solution Provider

Custom Software Development for Technology Consulting Company

Product Architecture & Dev Services for Consulting Company

Custom Software Dev & Support for Insurance Company

Microservices & API Development for IT Services Company

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

eLando AD is very responsive

Reviews mention Results-oriented

Multiple Development Projects for Product Development Firm

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Reviews mention Unique expertise

Automation Solutions Dev for Electrical Tech Company

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Industry Experience

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What Clients Have Said

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List of the Top 10 Sofia IoT Developers

Similar Categories

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