Top Internet of Things Companies in Sofia

Ratings Updated: April 14, 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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2 of 2 reviews are 5 stars

Unknown avg. project cost

Reviewed 2 times in the past 6 months
Recent reviews of Yalantis highlight their exceptional project management and technical expertise. Clients praised their proactive approach, with one noting, 'Yalantis always looked to go above and beyond.' Another client appreciated their ability to solve critical issues efficiently and optimize platform performance. Overall sentiment is highly positive, with no significant areas for improvement mentioned, indicating a strong fit for various projects.
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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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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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United States (44) Israel (3) England (3) China (3) Spain (2) Australia (2) Estonia (2) Canada (2) Sweden (2) Qatar (1) Poland (1) India (1) Norway (1) Nigeria (1) Switzerland (1) United Arab Emirates (1) Denmark (1) Kuwait (1)

This provider is fluent in 2 languages:

English

Ukrainian

This provider is available in 32 time zones:

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

Japan Standard Time (JST)

Midway Islands Time (MIT)

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Indeema

5.0 78 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 an Internet of Things Development company, offering services such as IoT Solutions, IoT App Development, and IoT Device Development. Customer feedback is overwhelmingly positive, with a strong emphasis on Indeema's technical expertise, collaborative approach, and commitment to project timelines. Approximately 90% of reviews highlight the company's flexibility and professional project management, while around 80% commend their ability to deliver comprehensive IoT Integration and consulting services.

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Reviews mention Adaptable
Clients consistently praised the adaptability of Vakoms, noting their seamless integration with existing teams and quick onboarding. For instance, one CEO highlighted how Vakoms aligned with their agile methodology and proactively addressed issues, enhancing collaboration. Another client emphasized their ability to swiftly adapt to changes and additional requirements during the project. Overall, the sentiment reflects strong satisfaction with Vakoms' flexibility and responsiveness, contributing significantly to project success.

Frontend Dev & QA Services for Data Collection Co

5.0 May 2, 2025

Vakoms onboarded quickly, collaborating with our internal team of back-end developers and designers. Their adaptability was impressive. Vakoms plugged into our team with very little onboarding time, and aligned well with our agile methodology. They brought strong technical ability and reliability, which is exactly what we needed in a partner.
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Mobile App Development for Workforce Management Platform

5.0 Apr 17, 2024

Their communication was clear, and they quickly adapted to any changes or additional requirements that arose during the project. We had regular meetings with developers in MS Teams.
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8 of 8 IoT Development reviews are 5 stars

1 new review for IoT Development in past 6 months

$50,000 – $199,999 avg. project cost

IoT Development PROJECT HIGHLIGHT

Custom Hardware Development for Drone Solutions Company
5.0 — Indeema Software Inc. provides custom hardware design and development services for a drone solutions company. The team's work includes hardware design, firmware development, system integration, and Read more
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Industry Experience

Indeema Software has demonstrated significant expertise across multiple industries, including consumer products and services, financial services, and healthcare. Clients commend their responsiveness, commitment to quality, and project management efficiency, particularly in developing hardware and software solutions. Positive feedback highlights their ability to meet deadlines and adapt to changing requirements, with a strong culture fit noted in collaborative environments. The overall sentiment reflects high satisfaction across these sectors, making Indeema a reliable partner for businesses prioritizing innovation and technical proficiency.
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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 Automotive

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United States (22) Ukraine (9) Israel (6) Switzerland (6) England (4) Germany (4) Denmark (3) Sweden (2) Belgium (2) Canada (2) Australia (2) Netherlands (2) Cyprus (1) New Zealand (1) Lebanon (1) United Arab Emirates (1) Italy (1) Hungary (1) Austria (1)

This provider is fluent in 1 language:

English

This provider is available in 2 time zones:

Eastern European Time (EET)

Eastern Standard Time (EST)

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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 an IoT App Development company specializing in IoT Solutions and IoT Integration for diverse sectors, including energy management and emergency vehicle systems. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their effective communication, extensive IoT expertise, and timely delivery. Clients appreciate their ability to collaborate closely and adapt to project needs.

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3 of 3 reviews are 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 3 times in the past 6 months
In the past six months, Cogniteq has received positive feedback for their effective project management and high-quality deliverables. Clients noted their proactive communication and responsiveness, with one stating, "Cogniteq is a consistently professional team that communicates clearly and meets commitments." Another client highlighted their flexibility and solution-oriented approach, stating, "Cogniteq is a flexible partner that is aligned with the business." Overall, clients expressed high satisfaction, with no significant areas for improvement identified.
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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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More responsive than most other service providers

Cogniteq is very responsive
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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 Communicative
Overall, client feedback highlights BGO Software's exceptional communication skills. Clients noted their ability to provide timely updates, as exemplified by one CTO who appreciated the daily stand-up meetings that ensured visibility on project status. Another client remarked on their responsiveness and willingness to listen, further emphasizing the company's commitment to understanding client needs. This consistent sentiment reflects a strong reputation for being communicative and engaged throughout the project lifecycle.

Custom Software Development for Amazon Business Services Co

5.0 Jun 14, 2023

We followed the SCRUM process. We had daily stand up meetings where I had visibility on current and ongoing tasks and any blockers that I could help with, and we had monthly end of sprint meetings where the progress was showcased visually. Their communication was excellent, I knew the status of the project at any one time.
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Platform Dev for Healthcare Training Institute

4.5 Jun 9, 2023

We've been impressed with their communication and ability to listen. The response was very good. What was your primary form of communication with BGO Software - the digital health lab? Virtual Meeting, Email or Messaging App.
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Custom Software Development for Oral Care Company

4.5 Jun 1, 2023

The company is very engaged, and communicates frequently. Customer success is key, and they are very committed to that. What was your primary form of communication with BGO Software - the digital health lab? Virtual Meeting, Email or Messaging App.
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Product Development for Legal Software Company

5.0 Aug 3, 2018

Along with our scheduled weekly calls, I have a point of contact for any unexpected problems I encounter. They’ll prioritize my question and respond with either an appropriate answer or a timeframe for resolution. Speaking with the same person regardless of the type of issue at hand simplifies our correspondence and avoids disturbing the developers in their day-to-day work. From a task point of view, BGO Software is very transparent.
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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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Review Rating from Clients

5.0/5.0

Quality

4.8

Schedule

4.8

Cost

4.8

Willing to Refer

5.0

Sofia-based BGO Software excels in developing complex health and security solutions, including clinical trial management, vulnerability software, and patient support systems. Clients praise their professionalism, responsiveness, and ability to deliver tailored, scalable products on time, fostering strong, collaborative relationships.
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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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Industry Experience

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

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Average Project Cost Breakdown

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

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

4.9 23 reviews

$25,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Services provided

10% IoT Development

25% AI Development

20% Cloud Consulting & SI +3 services

20% Custom Software Development

15% Enterprise App Modernization

10% Mobile App Development

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

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Reviews mention Reasonable pricing
Clients have expressed satisfaction with Mediapark Kaliningrad's reasonable pricing, noting that the company provides good value for the expertise offered. One client highlighted that the team worked out 'good prices' and maintained flexibility in contracts, which facilitated a positive partnership. Overall, the sentiment reflects appreciation for cost-effectiveness, with clients feeling they received quality service without excessive financial burden.

Mobile App Dev for Media Company

4.5 Nov 28, 2017

The owners of their company have their own vision, which helped us maintain flexibility. They respond quickly and have worked out good prices for us. We were never dissatisfied with deadlines or anything else.
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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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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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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 Autonomous
The sentiment regarding Quanterall's autonomy is positive, with clients noting their ability to work independently while effectively integrating into larger teams. One client highlighted that Quanterall struck the right balance between autonomy and collaboration. Their team demonstrated self-sufficiency in managing tasks, yet communicated effectively with the broader Marlowe team as needed. Overall, the feedback indicates a strong capability for autonomous work, albeit with minor suggestions for enhancing their knowledge of specific tools.

Blockchain Development for IT Services Company

5.0 Jan 31, 2023

The team were able to work independently, communicating with the wider Marlowe team as and when needed, striking exactly the right balance between autonomy and integration.
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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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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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Reviews mention Timely
Overall sentiment regarding timeliness in eLando AD's project delivery is highly positive. Clients consistently noted that eLando delivered projects on time and within budget. For instance, one client emphasized that tasks were completed according to pre-agreed timelines, while another highlighted the immediate response to urgent needs. Additionally, a client praised the team's ability to onboard senior developers quickly and deliver exceptional results promptly. Such feedback underscores eLando's reliability and commitment to meeting deadlines.

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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1 of 1 reviews is 5 stars

$200,000 – $999,999 avg. project cost

Reviewed 1 time in the past 6 months
In the last six months, eLando has received positive feedback highlighting their effective team augmentation for complex projects. A Chief People Officer noted their engineers delivered significant improvements in system performance and scalability for a major US telco. Clients praised eLando's understanding of business needs, seamless communication, and alignment with company values. Overall, sentiment remains highly favorable, with no significant areas for improvement reported.
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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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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

4.8

Willing to Refer

5.0

Sofia-based eLando AD excels in developing tailored communication and broadcast monitoring software, including real-time analysis tools. Reviewers value their technical proficiency, timely delivery, and good value, noting their team’s expertise in Java and C++ and their business-savvy approach.
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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 Knowledgeable
Clients express a strong sentiment regarding Aionys' knowledgeable team, highlighting the extensive technical expertise of the founders and the skilled professionals they provide. One executive noted the successful onboarding of a highly qualified React/Electron developer, emphasizing the company's meticulous attention to detail and responsiveness. Overall, feedback indicates a high level of satisfaction with Aionys' ability to meet specialized project requirements efficiently.

Digital Platform Development for Healthcare Company

5.0 Jun 29, 2023

The company’s founders possess extensive technical expertise and diligently oversee the competency level of their team. They demonstrate meticulous attention to detail and maintain open lines of communication, ensuring constant availability and responsiveness.
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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 Puts the customer first
Clients consistently express that Devision prioritizes their needs, highlighting their responsive communication and commitment to satisfaction. A Vice President noted, 'They have an excellent attitude of providing superior services,' while acknowledging occasional challenges in timely delivery. Overall, the sentiment reflects a strong dedication to customer service and a willingness to adapt, with clients appreciating their continuous efforts to enhance deliverables to meet specific requirements.

Modern Web App for EdTech Solutions Company

4.5 Jul 5, 2023

The team is very responsive to our needs, but on-time delivery of specified items has sometimes been a challenge. Our project has a lot of complexity so there are mitigating factors as well. They have an excellent attitude of providing superior services and work hard to ensure our satisfaction. However, they are always willing to continue to improve their deliverables until they meet our needs.
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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

Devision in Sofia specializes in custom web and mobile applications, including booking systems and internal management platforms for Bulgarian companies. Clients highlight their professionalism, high-quality work, and human approach, which fostered successful, impactful projects with measurable business improvements.
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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

Sofia-based client Diamatix praises ThingsLog for delivering complex IoT and cybersecurity solutions, including water and gas monitoring apps, reducing leaks by 35%. Their experienced team excels in project management, innovation, and meeting challenging requirements, making them a reliable partner in Bulgaria's tech scene.
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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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Bulgaria (2) United Arab Emirates (1)

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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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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 BGO Software - The Digital Health Lab

3 Civitta

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

35.8/40.0

18/20 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

35.3/40.0

17/20 Reviews

10/10 Clients & Experience

8.3/10 Market Presence

Service focus

10% IoT Development

90% Other

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Civitta

$25,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Ability to deliver

33.8/40.0

16.8/20 Reviews

10/10 Clients & Experience

7/10 Market Presence

Service focus

10% IoT Development

90% Other

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Quanterall

$50,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

33.5/40.0

16.2/20 Reviews

10/10 Clients & Experience

7.2/10 Market Presence

Service focus

15% IoT Development

85% Other

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eLando

$25,000+

$50 - $99 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

32.8/40.0

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

View Profile Visit Website
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

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

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

View Profile Visit Website
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

View Profile Visit Website
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

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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List of the Top Sofia IoT Developers

Reviewed 2 times in the past 6 months

IoT & Mobile App Development for IoT Hardware & Software Co

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Cogniteq is very responsive

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Custom Software Development for Amazon Business Services Co

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App Streams Ltd is very responsive

Reviews mention Reasonable pricing

Mobile App Dev for Media Company

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Reviews mention Autonomous

Blockchain Development for IT Services Company

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Reviews mention Timely

Video Monitoring Tools Streaming & Communications Custom Software Solution Provider

Custom Software Development for Technology Consulting Company

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Microservices & API Development for IT Services Company

Reviewed 1 time in the past 6 months

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Reviews mention Knowledgeable

Digital Platform Development for Healthcare Company

Industry Experience

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What Clients Have Said

Reviews mention Puts the customer first

Modern Web App for EdTech Solutions Company

Average Project Cost Breakdown

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List of the Top 10 Sofia IoT Developers

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