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Top 10+ Blockchain Development Companies in Bulgaria | Blockchain Developers Bulgaria 2026
Last Updated 08th November 2026 | Category: Top Blockchain Development FirmsAs of November 2026, this directory tracks 57 Blockchain 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 4.5, and 36% report a team of 50 or more. Most frequently listed specialties here include Mobile App Development, Bot Development, Blockchain 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 blockchain development firms 4.8/5 on average. $25 - $49 / hr is the most common rate band. Roughly 35% 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
35%
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 Blockchain Development Companies
Compare the highest-ranked firms first side by side.
| Rank | Company | Rating | Reviews | Hourly Rate | Action |
|---|---|---|---|---|---|
| 1 | 497 | $25 - $49 / hr | Visit Profile | ||
| 2 | 8 | $50 - $99 / hr | Visit Profile | ||
| 3 | 8 | $50 - $99 / hr | Visit Profile | ||
| 4 | 7 | $50 - $99 / hr | Visit Profile | ||
| 5 | 7 | $25 - $49 / hr | Visit Profile | ||
| 6 | 6 | $100 - $149 / hr | Visit Profile | ||
| 7 | 8 | $50 - $99 / hr | Visit Profile | ||
| 8 | 7 | $25 - $49 / hr | Visit Profile | ||
| 9 | 6 | $50 - $99 / hr | Visit Profile | ||
| 10 | 6 | $50 - $99 / hr | Visit Profile |
The List of Top 10+ Blockchain Development Companies in Bulgaria | Top Blockchain Developers Bulgaria November 2026
DM
GO
AI
OR
Mobile App Development
UI-UX Design
BS
Mobile App Development
Web Development
Custom Software Development
Enterprise App Modernization
Web Design
SEO
Content Management System
Logo Designing
ST
DC
QA
AS
AP
Mobile App Development
Web Development
UI-UX Design
Web Design
WD
UI-UX Design
Mobile App Development
Digital Strategy
Web Design
Web Development
TE
Mobile App Development
Web Development
Custom Software Development
Chat Bots & AI Development
ME
Mobile App Development
Web Development
UI-UX Design
Custom Software Development
Game Development
DE
Mobile App Development
Web Development
UI-UX Design
Web Design
Digital Strategy
Logo Designing
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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.
Yes — a good number of Blockchain Development companies in Bulgaria have built their client base primarily from overseas, particularly across North America and Western Europe, and have the operational habits to prove it: documented handoffs, async-friendly communication, and contracts written with international clients in mind. If cross-border delivery matters to you, ask a Blockchain Development firm in Bulgaria directly for a reference from a client in your own country rather than taking "we work globally" at face value.
Outsourcing to Bulgaria is routine at this point, but it still deserves the basics done properly: a signed NDA, a clear clause on who owns the IP once it's built, and an understanding of what happens if either side wants to walk away mid-project. Established Blockchain Development companies in Bulgaria will have handled these terms many times before and shouldn't push back on any of them — hesitation there is itself a useful signal.
There's no single number here — a Blockchain Development company in Bulgaria might quote a few thousand dollars for a narrow, well-defined build and a much larger figure for a full product with integrations and ongoing support. The only way to get a real answer for your situation is to send the same brief to a handful of Blockchain Development firms in Bulgaria and compare the itemized breakdowns, not just the bottom-line total.
Rankings for Blockchain 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.
It tells you quite a lot, actually. A Blockchain Development company in Bulgaria with a healthy share of repeat clients is being chosen again by people who already know exactly what working with them is like — a stronger signal than a first-time review can offer. When comparing options, ask directly what share of their business comes from returning clients and, if possible, talk to one of them.
A good Blockchain Development company in Bulgaria doesn't stop at shipping features — the strongest ones bring analytics setup, structured A/B testing, and performance tuning into the conversation from early on, so the product keeps improving after launch instead of sitting static. Treated this way, a Blockchain Development partner in Bulgaria becomes an ongoing part of how the business grows rather than a vendor you call once and don't hear from again.
The highest-rated Blockchain Development companies in Bulgaria usually earn that position through a combination of solid technical delivery and genuinely good communication — the two rarely show up separately in strong reviews. Look past the aggregate star rating and read a handful of full reviews; specific, detailed praise about how a project actually went is a far better signal of which Blockchain Development company in Bulgaria will be a good fit than a number alone.
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