Top Internet of Things Companies in Sofia

Ratings Updated: June 19, 2026

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11 Leaders 7 Contenders

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18 Companies

Country: Bulgaria

City: Sofia

List of the Top Sofia IoT Developers

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What are Featured Providers?
Yalantis

4.8 79 reviews
Premier Verified

$50,000+

$50 - $99 / hr

250 - 999

Serves Sofia, Bulgaria

Services provided

60% IoT Development

10% AI Development

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

10% Custom Software Development

10% Product Design

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

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Reviews mention Team players
The feedback regarding Yalantis consistently highlights their strong team collaboration and responsiveness. Clients noted that Yalantis teams integrate seamlessly with their internal staff, fostering a sense of shared ownership and effective communication. For instance, one client praised their proactive approach, stating, "They take the initiative and bring up ideas." Another emphasized their ability to work cross-collaboratively, declaring, "They’ve gotten into a product mindset." Overall, the sentiment is overwhelmingly positive, with clients appreciating their professionalism and commitment.

Mobile App Dev for Non-Profit Ministry

4.5 Jun 26, 2023

They were a huge part of our team and we're very pleased with the results. I’m impressed with how flexible and capable the Yalantis team is. They weren’t afraid to push back on any ideas that weren't in our best interest.
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Web & iOS App Dev for Fintech Startup

5.0 Jun 24, 2022

Yalantis integrates well with resources from other vendors and our in-house team. They’re good at working cross-collaboratively. They’ve gotten into a product mindset and think about the product and users.
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Web App Dev for IoT Hardware & Software Provider

5.0 Aug 12, 2021

We see them as part of our team and treat them as such. They work quickly and precisely. Yalantis has proactive management, solid technical skills, and good inputs for solutions.
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Android Dev for Single-Destination App

5.0 Nov 8, 2018

They're so driven to make our project a success that they feel like part of our team. They look at our project as a partnership and always make sure we're fully satisfied with their services.
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React Native App Dev for Civil Society Organization

5.0 May 24, 2018

Yalantis has adopted the product as their own, and we are working together as one team. They suggest new approaches and point out potential risks or problems that we weren’t aware of.
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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
Overall, Yalantis is perceived as providing excellent value for money, with clients highlighting their competitive pricing relative to quality. For instance, one client noted that their pricing fit the budget while delivering high-quality output. Another client emphasized the strong return on investment, stating that they received more value than expected for their spending. Although some reviews mentioned that Yalantis could be on the pricier side compared to local options, the general sentiment is that the quality of work justifies the cost.
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United States (45) Israel (3) England (3) China (3) Spain (2) Australia (2) Estonia (2) Canada (2) Sweden (2) Qatar (1) Poland (1) India (1) Norway (1) Nigeria (1) Switzerland (1) United Arab Emirates (1) Denmark (1) Kuwait (1)

This provider is fluent in 2 languages:

English

Ukrainian

This provider is available in 32 time zones:

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

Japan Standard Time (JST)

Midway Islands Time (MIT)

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Cogniteq

4.9 44 reviews
Premier Verified

$10,000+

$50 - $99 / hr

50 - 249

Serves Sofia, Bulgaria

Services provided

10% IoT Development

75% Mobile App Development

10% Web Development +1 service

5% Custom Software Development

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

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2 of 2 reviews are 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 2 times in the past 6 months
Recent reviews for Cogniteq indicate a strong positive sentiment, highlighting their professionalism, effective communication, and commitment to project timelines. Clients noted significant outcomes, such as meaningful platform growth and successful demo-version development. One client praised the 'exceptionally engaged project manager' and the company's flexibility in addressing challenges. Overall, Cogniteq is recognized for delivering high-quality work at a competitive price, with no major areas for improvement identified by clients.
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3 of 3 IoT Development reviews are 5 stars

$10,000 – $49,000 avg. project cost

IoT Development PROJECT HIGHLIGHT

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

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

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More responsive than most other service providers

Cogniteq is very responsive
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Sigma Software Group

4.8 37 reviews

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Premier Verified

$50,000+

$50 - $99 / hr

1,000 - 9,999

Sofia, Bulgaria

Services provided

10% IoT Development

20% Custom Software Development

15% Mobile App Development +5 services

15% Web Development

10% AI Consulting

10% BI & Big Data Consulting & SI

10% Cloud Consulting & SI

10% Cybersecurity

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

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Reviews mention Reliable
Clients consistently regard Sigma Software Group as a reliable partner, highlighting their delivery of high-quality software within budget and deadlines. One CEO noted the software's 'very high quality and very reliable' nature, while another emphasized their agile approach, ensuring timely delivery. The company's strong team spirit and innovative culture further reinforce their reputation for reliability, with clients expressing satisfaction and encouraging them to maintain their standards.

Custom Software Dev & Design for Delivery Company

5.0 Mar 7, 2024

Delivery of the software in very high quality and very reliable. Thanks to the agile approach, everything could be delivered - in time & in budget.
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0 of 1 reviews is 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 1 time in the past 6 months
Recent feedback for Sigma Software Group highlights a strong emphasis on their efficiency, creativity, and collaborative spirit. Clients noted significant improvements in website engagement, SEO, and lead generation post-project. One client appreciated the timely delivery and adaptability of the team, while suggesting that more proactive web guidance could enhance the experience. Overall, the sentiment is highly positive, with clients recognizing the value added through Sigma's expertise and partnership.
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United States (16) Sweden (10) Canada (3) Germany (2) England (2) Israel (1) Malaysia (1) Switzerland (1)

This provider is fluent in 4 languages:

English

Spanish

German

Ukrainian

This provider is available in 4 time zones:

Central European Time (CET)

Eastern European Time (EET)

Eastern Standard Time (EST)

Pacific Standard Time (PST)

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Sofia, Bulgaria

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

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App Streams Ltd

5.0 9 reviews

$25,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% IoT Development

30% Web Development

25% Mobile App Development +3 services

15% Application Testing

10% AI Development

10% UX/UI Design

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

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3 of 3 reviews are 5 stars

$10,000 – $49,000 avg. project cost

Reviewed 3 times in the past 6 months
In the past six months, App Streams Ltd has garnered positive feedback for their responsiveness, timely delivery, and high-quality work. Clients praised their ability to effectively address urgent challenges, such as stabilizing applications and developing user-friendly interfaces. Notable instances include their collaboration with Auxa Health, where they accelerated product launches and improved testing processes, and with Sportal.bg, where they successfully implemented critical updates under tight deadlines. Overall, clients express strong satisfaction and a desire for continued partnership.
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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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Bulgaria (4) United States (2) England (2)

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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

Located in Sofia, Bulgaria, App Streams Ltd delivers tailored software solutions, including backend and mobile app development, with a focus on timely delivery and good communication. Reviewers value their professionalism and close collaboration on innovative projects like e-bike management systems.
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Civitta

4.9 23 reviews

$25,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Services provided

10% IoT Development

25% AI Development

20% Cloud Consulting & SI +3 services

20% Custom Software Development

15% Enterprise App Modernization

10% Mobile App Development

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

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Average Project Cost Breakdown

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

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

Civitta is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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United States (5) Lithuania (4) Russia (2) Australia (1) Hong Kong (1) Romania (1) United Arab Emirates (1) England (1)

This provider is fluent in 5 languages:

English

Polish

Estonian

Finnish

Ukrainian

This provider is available in 1 time zone:

Central European Time (CET)

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Sofia, Bulgaria

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

+40 722 316 036

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Quanterall

5.0 3 reviews

$50,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Services provided

15% IoT Development

30% Blockchain

30% Custom Software Development +2 services

15% Web Development

10% Mobile App Development

Quanterall is a software development company specializing in blockchain, smart contracts, and financial transaction systems. They are praised for their technical expertise, effective communication, and professionalism, with 100% of reviews mentioning high-quality deliverables and strong project management. Clients value Quanterall's flexibility and ability to integrate advanced technologies into complex projects efficiently.

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Industry Experience

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

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Average Project Cost Breakdown

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

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

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Sofia, Bulgaria

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

+359 879 411 007

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BGO Software - The Digital Health Lab

4.8 18 reviews

$10,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Services provided

10% IoT Development

50% Custom Software Development

10% Application Management & Support +3 services

10% IT Managed Services

10% IT Strategy Consulting

10% Mobile App Development

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

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Industry Experience

BGO Software has demonstrated expertise across the Medical, Education, Business Services, Energy, Real Estate, Government, and Entertainment industries. Clients praised their technical capabilities, project management, and adaptability to changing requirements, leading to high satisfaction and successful product launches. The overall sentiment is highly positive, particularly in Medical and Government sectors, where BGO's commitment to quality and flexibility has been notably impactful, making them a strong candidate for projects in these areas.
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Government Medical Healthcare IT Services Pharmaceuticals Business services Research Arts, entertainment & music Energy & natural resources Education Software Consulting 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 consistently highlight BGO Software's cost-effectiveness and value for money. One client noted their engagement was 'cost-efficient' and another emphasized 'good value for cost,' indicating that BGO Software meets budget expectations without compromising quality. While some projects experienced scope changes leading to budget overruns, the overall sentiment remains positive, with clients asserting that the quality of work justifies the investment. For instance, a client stated, 'They were expensive, but we got a lot for our money,' reflecting high satisfaction with the return on investment.
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Switzerland (4) United States (4) Bulgaria (3) England (3) Netherlands (1)

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Review Rating from Clients

5.0/5.0

Quality

4.8

Schedule

4.8

Cost

4.8

Willing to Refer

5.0

Sofia clients commend BGO Software for their versatile development of health tech and security solutions, including clinical trial platforms and SaaS products. They value the team's fast response, customer-centric approach, and ability to produce high-quality, adaptable software that meets evolving needs.
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eLando

4.9 8 reviews

$25,000+

$50 - $99 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% IoT Development

30% Custom Software Development

10% Cloud Consulting & SI +5 services

10% Cybersecurity

10% IT Strategy Consulting

10% Low/No Code Development

10% Mobile App Development

10% Web Development

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

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1 of 1 reviews is 5 stars

$200,000 – $999,999 avg. project cost

Reviewed 1 time in the past 6 months
In the past six months, eLando AD has received positive feedback for its engineering expertise and alignment with client needs. A Chief People Officer noted their effective augmentation of engineering teams, resulting in improved system performance and accelerated release cycles. Clients appreciate the company's understanding of business requirements, facilitating smooth project execution with no reported escalations. Overall, eLando AD is viewed as a reliable partner that delivers good value and maintains strong communication throughout projects.
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Average Project Cost Breakdown

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

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

eLando is very responsive
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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 clients praise eLando for their expertise in software engineering, delivering complex projects like telco platform modernization and satellite broadcasting solutions. They excel in timely delivery, quality, and understanding client needs, making them a reliable partner for high-stakes digital transformation and communication projects.
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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 Communicative
The overall sentiment regarding Devision's communication is highly positive. Clients frequently highlighted their transparent and friendly communication style, with one client noting, 'Their communication has been transparent, and friendly.' Another emphasized, 'Hristo and his colleagues were always available answering our questions,' showcasing their responsiveness. Additionally, clients appreciated the quick resolution of minor issues, reflecting a strong commitment to effective communication throughout projects.

Staff Augmentation for Digital Agency

5.0 Nov 23, 2022

I would say that their team has mostly integrated really well with ours. The overall communication was really good. We had some minor issues with some of the members, but these issues were resolved in a quick manner. Devision's sales and delivery teams handle these things quite well.
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Web Development for Hotel Chain

5.0 Nov 27, 2019

Very effective team. Hristo and his colleagues were always available answering our questions. They have very fast communication.
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Automation Solutions Dev for Electrical Tech Company

5.0 Sep 6, 2018

They performed well in terms of communication, responsiveness, and timeliness. We can always reach the developers. Devision provides instant feedback and completes solutions very fast.
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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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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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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, specifically in developing Android applications for preschool administration software. Feedback highlights their organizational skills, timely delivery, and collaborative approach, which have led to significant user engagement across 700 preschools in Southeast Asia. Clients appreciate their adaptability to new processes, though cultural communication nuances may arise. Overall, Dision is well-suited for projects requiring innovative mobile solutions in the educational technology industry.
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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 noted that Dision offers competitive pricing for their services, with one client investing around $50,000 for a substantial project involving multiple Android applications. Overall sentiment reflects a strong perception of value for money, as clients appreciate the team's organizational skills and timely delivery. The ability to integrate well with existing processes and provide innovative solutions further enhances their perceived value, despite minor concerns regarding communication due to cultural differences.
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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 Unique expertise
Clients highlight MENA Software's unique expertise in blockchain development, noting their outstanding competence in the field. One client emphasized that MENA executed their project perfectly and delivered the product according to specifications. Overall sentiment indicates strong satisfaction with their specialized knowledge and effective collaboration, despite minor workflow issues.

Blockchain Development Consulting for Crypto Media Firm

4.5 Dec 12, 2018

The competence in their chosen field was outstanding. They executed perfectly and delivered the product according to our specifications.
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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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View projects from:

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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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 Sigma Software Group

2 App Streams Ltd

3 Civitta

4 Quanterall

5 BGO Software - The Digital Health Lab

6 eLando

7 Devision

8 Aionys

9 ThingsLog

10 Dision

11 MENA Software

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

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

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 11 Sofia IoT Developers

Sigma Software Group

$50,000+

$50 - $99 / hr

1,000 - 9,999

Sofia, Bulgaria

Ability to deliver

37.6/40.0

17.8/20 Reviews

10/10 Clients & Experience

9.8/10 Market Presence

Service focus

10% IoT Development

90% Other

View Profile Visit Website
App Streams Ltd

$25,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

35.6/40.0

17.8/20 Reviews

10/10 Clients & Experience

7.8/10 Market Presence

Service focus

10% IoT Development

90% Other

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Civitta

$25,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Ability to deliver

33.8/40.0

16.8/20 Reviews

10/10 Clients & Experience

7/10 Market Presence

Service focus

10% IoT Development

90% Other

View Profile Visit Website
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

View Profile Visit Website
BGO Software - The Digital Health Lab

$10,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

34.3/40.0

16/20 Reviews

10/10 Clients & Experience

8.3/10 Market Presence

Service focus

10% IoT Development

90% Other

View Profile Visit Website
eLando

$25,000+

$50 - $99 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

32.2/40.0

17.6/20 Reviews

10/10 Clients & Experience

4.6/10 Market Presence

Service focus

10% IoT Development

90% Other

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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Aionys

$5,000+

$25 - $49 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

30.3/40.0

17.2/20 Reviews

7.8/10 Clients & Experience

5.3/10 Market Presence

Service focus

10% IoT Development

90% 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

View Profile Visit Website
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

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Top Internet of Things Companies in Sofia

List of the Top Sofia IoT Developers

Reviews mention Team players

Mobile App Dev for Non-Profit Ministry

Web & iOS App Dev for Fintech Startup

Web App Dev for IoT Hardware & Software Provider

Android Dev for Single-Destination App

React Native App Dev for Civil Society Organization

IoT & Mobile App Development for IoT Hardware & Software Co

Average Project Cost Breakdown

What Clients Have Said

Reviewed 2 times in the past 6 months

Mobile App Dev for Control Systems Manufacturer

Industry Experience

Select Industry to see insights

Cogniteq is very responsive

Reviews mention Reliable

Custom Software Dev & Design for Delivery Company

Reviewed 1 time in the past 6 months

Reviewed 3 times in the past 6 months

Average Project Cost Breakdown

What Clients Have Said

Average Project Cost Breakdown

What Clients Have Said

Civitta is very responsive

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviewed 1 time in the past 6 months

Average Project Cost Breakdown

What Clients Have Said

eLando is very responsive

Reviews mention Communicative

Staff Augmentation for Digital Agency

Web Development for Hotel Chain

Automation Solutions Dev for Electrical Tech Company

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Results-oriented

Multiple Development Projects for Product Development Firm

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Unique expertise

Blockchain Development Consulting for Crypto Media Firm

Industry Experience

Select Industry to see insights

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List of the Top 11 Sofia IoT Developers

Similar Categories

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