Top 100 Software Development Companies in Sofia

MentorMate handled custom software development and QA for an online education company. They integrated with the client's existing sprint teams and are fully versed in its dev workflow. The client is impressed with their standards of work and technical abilities. 

"They’re technically proficient, creative, and able to work both independently and on teams. We would hire any of them on a permanent capacity based on their skill level." – VP of Development Resources, Online Education Company

Coherent Solutions recently worked on development for an HVAC company. They created an integrated software that stored data for analytics purposes for that client.

“They delivered exactly what we needed. I was really satisfied with our working partnership with Coherent Solutions.” — Former VP of Systems & Controls, HVAC Company

 

Dreamix provided development services for an insurance data platform built in Apollon. They improved the solution’s flexibility and ability to be audited. The application is now fully functional and in use by customers; Dreamix still helps with ongoing improvements.

“The culture that they implemented throughout the entire company … [is] a caring and sharing culture that is managed internally as well as externally and to their customers (or partners as they like to call).” – Project Manager, Consumer Products Company

A medical technology startup contracted Bianor for outsourced Android development. After assessing prototypes of the client's Bluetooth medical devices, they created the app. The app used BLE 4.0 chips to visualize incoming data from the client's hardware and display it on mobile devices. Internal stakeholders praised Bianor for their professionalism and dedication.

"I appreciate the fact they provided excellent service regardless how small our project or how much we’re paying them. " – Co-Founder, Medical Device Agency 

Melon provided software development for a mobile gaming platform. The client was extremely pleased with Melon's communication and project management.

"They [Melon] have developed a countless number of features on the platform, and I have been mostly satisfied with their work." - Founder, Mobile Gaming Platform

SoftServe worked with a healthcare metrics organization on a research and development project. SoftServe developed an Android mobile application to serve as a companion to NHS surveys measuring patient quality of life and medical outcomes. The application is now part of a beta program and has received several high-profile requests for trials.

"SoftServe's thoroughness was very good and they were very precise in their work." - Co-founder, Healthcare Technology Firm

BGO Software partnered with a health organization to build a new web-based platform using Microsoft Stack. The platform was a management system that allowed users to track their workflow. After developing the platform, the team integrated it with the client's internal SQL server. The former client was impressed with the team's flexibility and professionalism.

"BGO have always delivered admirable flexibility, where it is almost like a partnership, and their need to succeed is as great as ours." - Manager, Health Organization

Prime Holding JSC provided web development and data migration services to an e-learning platform. The team created web applications that stream audio, video, and voice, using HTML5 and WebRTC. The team meets and exceeds expectations. 

“Essentially, we have never had a situation where our team could not do what was needed within the timeframe that was needed.” — Chief of Innovation, E-Learning Platform

ITIDO developed an automation system and maintain it, providing updates and making changes as needed. They also make suggestions and provide input. The new system has streamlined the internal team's processes, making their jobs much easier and more efficient.

"I don’t know how we survived before ITIDO created this system." – Global Category Manager, Metals Company

Joining with an IT company, DevMinds developed a website with a billing integration and WordPress technology. The client is pleased with the speed of the website, as well as the UX. 

"They’re pretty open and easy to communicate with, and they don’t try to hide their know-how or how they do things." – Sales Director, Managed Services Company 

Devision provided web development and data migration help for a global, B2B sales network. The client had their main site for nearly 20 years, and did not direct clients to it, instead relying on nine smaller, industry-specific sites. Devision reimagined the flagship site and provided a new platform based on updated design sensibilities and web protocols, and integrated the data architecture for the separate sites into one hosting solution.

"When Devision tells me that they can achieve something, I have complete confidence that they can in fact do it." - Managing Director, Global Business Network

Evermore developed a website on Ruby on Rails for an international political organization. Along with development, they provided website design and branding services. The new site saw a significant increase in web traffic. The former client commended Evermore on their constant communication throughout the process.

"They were exceptional project managers and were even more organized than we were."- CTO, International Political Organization

Methodia recently worked on multiple development projects for an energy supplier. They developed a billing system, a CRM system, a mobile app, and an online portal for that client.

“Around 75% of our customer base is signed up to Methodia’s online portal, whether it’s by mobile or web.” — Director, Energy Supplier  

 

Droxic provided UX design for a heating system application. They made the solution more creative and engaging. Droxic's work was reliable and generated positive feedback. 

"Nothing is perfect, but Droxic always embraced and executed our feedback." – Head of Digital Products, Heating System Manufacturer 

A startup hired Donatix to develop a website and mobile app that would give customers passes to sports facilities and classes. The client felt that Donatix was collaborative and creative. 

"Donatix was capable of delivering on all fronts of creating the web platform functionalities, as well as the mobile app... Overwhelmingly, the testers like the platform and its functionalities." - Co-Founder, Sports Booking Startup

W3Industry developed a website for an English language school. The school needed a website for their platform, and W3Industry not only built it but also maintained the site. There have been more inquiries and positive feedback as a result of the site.

“Very effective. The information exchanges has been running smoothly.” - School Head, English Language School
 

An insurance company hired Bulgarian Software House (BSH) to develop a single-sign-on solution that provides a secure mechanism to incorporate the existing internal network applications into the SharePoint 2013 based extranet portal. BSH analyzed the company's requirements, and then designed and developed the software, providing an agile approach of delivery, which elaborated and scaled the company's initial RFP. They completed the project and met all of the company's expectations.

"As a partner BSH were very easy to work with. They are professionals who managed to set high expectations and delivered on their promises." - Head of Project Management Office, Insurance Company

Perspective Web Ltd. designed and developed a 3D-animated, teamwork building game for a shipbuilding company. They built the solution with PHP and HTML5 and introduced rapid screen-refresh technology. Users lauded the game’s design and were impressed with its technical sophistication.

“Their level of comprehension is incredible. They dove deep into our problem and uncovered exactly what we wanted to get out of the game. Based on surveys we put out after people played the first version of the game, they loved its design and thought it was quite professional.” – Project Manager, Shipbuilding Company

Infoleven created an Android and iOS app, along with an admin panel and an API. They integrated user feedback into the platform and used Swift, Native, and Java for the work. Their ability to implement changes has been crucial for the success of the platform. 

"They are very dedicated to the project — they are not only doing the technical feature development, but they give us useful ideas and a different point of view." – CEO, Gaming App Platform

Nevron Software provided development and design services for a consultancy firm. They spearheaded the majority of management and tasks for a special interest project. Throughout the engagement, both party experienced virtually zero complications. The client firm was impressed with Nevron's code, reliability, as they went above and beyond and continue to provide excellent ongoing support.

"The quality of Nevron Software's work is leaps and bounds above everything else I’ve come across." –Independent Consultant, Consultancy Firm

Code Runners made a management dashboard for a cybersecurity firm. The firm's team designed and built a client-facing portal with a straightforward display. The client praised Code Runners for the company's attention to detail.

"When Code Runners took over, we noticed a dramatic improvement in performance. The reporting center is basically real-time now, and that’s something we never thought we’d be able to achieve because of the kinds of calculations we’re doing in the backend." - CEO, Cybersecurity Firm

Skillwork was hired to develop the front and backend platforms of a UX consulting firm's registration page. The page needed to have an admin system that shows specific data.

"They brought on compliance experts that audited their code in accordance with our strict data standards."

Bulbera developed a mobile app system with a cloud-based backend for a consumer electronics company. They were responsible for the Android solution, the web interface, the launch application, and introducing remote application control. The client was very pleased with the high user ratings of the app. 

“After launching the new version of the app, customer reviews increased from an average of 3.3 to 4.1. New customers doubled, and we received a lot fewer complaints about the app crashing or not working.” – Head of Product, Consumer Electronics Company

A tech startup contracted Accedia to develop performance enhancements and new functionalities for their native iOS app. The project involved legacy code refactoring and the use of Objective C and NodeJS for simplified future app maintenance and fast and scalable iOS development respectively. The app ensured ease and convenience for the users.

"Accedia clearly has great competencies, between the technical side, the commercial side, and the project management. Each of these is done professionally and efficiently." — CEO, Tech Startup

Camplight worked with a digital consultancy to develop a parking spot reservation application plus two React Native apps for one of their clients. They developed the full-stack application using JavaScript on the backend and React on the frontend, while also integrating a GraphQL API. The app satisfied the end-client’s requirements and was able to scale to millions of users.

“The project is a huge success for our company as our client received exactly the app they were expecting and it is able to scale to millions of users and interactions as per the project requirements.” – Project Manager and Consultant, Digital Agency

Sciant developed custom software for an event services provider. They delivered a solution that automates interactions between the client and the third-party services they utilize. Their work facilitated relationships with new customers and enabled the client to appropriately address their needs. 

"We have an ongoing project for Sciant to develop middleware between iVvy and other third party PMS solutions." — COO & Founder, Events Services Provider

Bulcode built an interactive instruction environment to support a digital learning CMS for an internet company. They created an intuitive, feature-rich UX and UI, and conducted user-tracking analytics and provided server management. Thanks to Bulcode’s reliable designs, the system clearly conveyed specialized content and received a positive reception from initial users.

“They did an outstanding job. They provided quick and professional descriptions and prepared written summaries of what we’d agreed before executing. Each of the intended outcomes was delivered quickly.” – Lead Designer, Internet Company

Qualifast developed a mobile solution for a transportation app platform. The app was built to implement an IT solution for the platform. The tool has since then become the platform’s flagship app.

“Now we have paying customers, which is the easiest to measure impact.” - Co-Founder, Transportation App

Sofyma rebuilt a WordPress website and custom developed acquisition features for a business services company. Their work included redesigning the UI, providing ongoing site support, and designing a newsletter template. The website resulted in a monthly 30-percent increase in leads.

“The website was perfectly built for our acquisition goals, which led to improved conversion rate. However, the most impressive thing about the team behind Sofyma is their approach to every business task and challenge. They manage to understand all aspects of the business.” – Marketing Manager, Business Services Company

A real estate investment company hired Sorcible to build a new website to replace their current one. Working closely with the company, Sorcible implemented new features, fixes, and upgrades. They also took the SEO analysis of the current site and used that to implement the needed changes in the new website. To date, the project is still ongoing and Sorcible has been meeting the company's expectations with their work.

"Overall they do great work and we have never had any issues with them." - Head of Marketing, Real Estate Investment Company