mobile app developers bulgaria

Top 10+ Software Development Companies in Bulgaria | Software Developers Bulgaria 2026

Last Updated 25th October 2026 | Category: Top Software Development Firms

As of October 2026, this directory tracks 57 Software Development companies. Hyperlink InfoSystem currently sits at the top of the list (5.0-star average from 497 verified reviews, $25 - $49 / hr, in business since 2011). Looking at the group as a whole, the midpoint hourly rate is $37, the median rating is 4.3, and 18% report a team of 50 or more. Most frequently listed specialties here include Mobile App Development, Software Development, Bot Development, and AI Development.

Every company on this page is evaluated on the same real signals: how clients have rated their work, what they charge per hour, how big their team is, and how long they've been in business. Clients rate these software development firms 4.8/5 on average. $25 - $49 / hr is the most common rate band. Roughly 18% of the companies listed report a headcount of 50 or more. Before reaching out to any shortlisted firm, it's worth cross-checking its review history and portfolio directly - every listing is manually checked (founding year, services, team size) and reviews go through a moderation step before they go live.

57
Verified Firms
$25 - $49 / hr
Most Common Rate
4.8
Average Rating
18%
Have 50+ Employees
How this list is built: Companies are added only after manual research into their foundation year, service offerings, ratings, and employee strength. Client reviews go through a verification step before being marked Verified and shown publicly. Listings marked Sponsored pay for premium placement — sponsorship does not affect star ratings or review content.

Top-Ranked Software Development Companies

Compare the highest-ranked firms first side by side.

Rank Company Rating Reviews Hourly Rate Team Size Founded Headquarters Action
1 5.0 497 $25 - $49 / hr 1,000 - 9,999 2011 Jersey City, NJ Visit Profile
2
4.7 8 $50 - $99 / hr 2 - 9 2015 Sofia, Bulgaria Visit Profile
3 4.7 8 $50 - $99 / hr 50 - 249 2008 Sofia, Bulgaria Visit Profile
4 4.7 7 $25 - $49 / hr 50 - 249 2006 Sliven, Bulgaria Visit Profile
5 4.7 7 $50 - $99 / hr 1,000 - 9,999 2001 Minneapolis, MN Visit Profile
6
4.6 6 $100 - $149 / hr 10 - 49 2007 Sofia, Bulgaria Visit Profile
7
4.2 8 $50 - $99 / hr 10 - 49 2015 Sofia, Bulgaria Visit Profile
8 4.1 6 $50 - $99 / hr 50 - 249 2015 — Visit Profile
9 4.1 6 $50 - $99 / hr 10 - 49 2014 Sofia, Bulgaria Visit Profile

The List of Top 10+ Software Development Companies in Bulgaria | Top Software Developers Bulgaria October 2026

4.7 8 Reviews
2015
$50 - $99
2 - 9
BGN 17,214+
Mobile App Development Web Development Wearable App Development UI-UX Design Internet of Things

ST6

4.3 9 Reviews
2017
$100 - $149
10 - 49
2011
$25 - $49
10 - 49
—
Undisclosed
2 - 9
2015
$25 - $49
10 - 49
2025
$25 - $49
2 - 9
No reviews yet
1996
Undisclosed
50 - 249
2015
$50 - $99
50 - 249
BGN 172,142+
Mobile App Development Web Development UI-UX Design Custom Software Development Internet of Things Cloud Solutions
2020
$100 - $149
10 - 49
2004
$25 - $49
10 - 49
2012
$25 - $49
2 - 9
2006
$25 - $49
50 - 249
BGN 17,214+
Mobile App Development Web Development Custom Software Development E-commerce Development Enterprise App Development
No reviews yet
—
Undisclosed
2 - 9
4.5 8 Reviews
2020
$25 - $49
2 - 9
No reviews yet
2016
$50 - $99
2 - 9
2019
$25 - $49
10 - 49
No reviews yet
2007
$100 - $149
10 - 49
2009
$25 - $49
2 - 9
2019
$50 - $99
50 - 249
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FAQ

Frequently Asked Questions

Got questions about our specialized technology solutions? We have the answers to help you make informed decisions.

Enterprise-ready Software Development companies in Bulgaria tend to look different from smaller shops in a few specific ways: named project leads instead of rotating contacts, documented change-management processes, and infrastructure experience that goes beyond a single client's traffic level. Many carry ISO or SOC-type certifications as a baseline, but the real signal is whether they can describe a past engagement of comparable scale in concrete detail. A Software Development firm in Bulgaria that hesitates on that question probably hasn't done it before.

Bulgaria turns out a steady stream of engineering talent each year, and the stronger Software Development companies in the region have built real depth across current frameworks, cloud infrastructure, and mobile platforms rather than relying on a handful of senior people. For larger projects, ask specifically how a firm staffs beyond its founding team — that answer tells you whether their bench is genuinely deep or whether growth would strain it.

Rates for Software Development developers in Bulgaria spread out quite a bit depending on seniority — junior developers sit at one end, senior engineers and architects at the other, with company size and specialization shifting things further. What tends to hold across the board is that Software Development developers in Bulgaria come in noticeably cheaper than comparable talent in the US or Western Europe, without a proportional drop in the quality of work.

Rankings for Software Development companies in Bulgaria are built from a mix of verified client reviews, the depth and relevance of each firm's portfolio, market presence, and how responsive they are on the platform itself — not a single self-reported score. Our team cross-checks submitted project details against client interviews wherever possible, so a company sitting near the top of the Bulgaria list has that position backed by more than its own marketing.

Get clear, specific answers on: who owns the code once it's delivered, what the support window looks like after launch, how they handle a team member leaving mid-project, and what their process is when a client requests a scope change. Vague or evasive answers to any of these from a Software Development company in Bulgaria are a bigger red flag than a slightly higher quote.

Most experienced Software Development companies in Bulgaria have done this kind of integration many times over — Salesforce, HubSpot, Zoho, and similar platforms are common enough that it's rarely a novel problem. What matters more is giving your Software Development partner in Bulgaria a full, honest picture of your current stack upfront, so the integration is built cleanly instead of patched together after the fact.

The most experienced Software Development developers in Bulgaria tend to come out of companies that have been operating for the better part of a decade or more, with senior staff who've seen a wide range of project types and scales rather than a narrow slice. That kind of institutional memory — knowing what tends to go wrong on a complex build before it happens — is hard for newer firms to replicate. Verified reviews and direct references remain the best way to confirm it's real and not just a claim on a website.
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