Sofia University St. Kliment Ohridski
Oldest and highest-ranking higher education research university in Bulgaria.
Sofia University St. Kliment Ohridski at a glance
Sofia University St. Kliment Ohridski is an education website and one of the most visited sites in Bulgaria, currently ranked #10 in the country. It was founded in 1888 by National Assembly of Bulgaria and is headquartered in Sofia, Bulgaria. Today Sofia University St. Kliment Ohridski is owned by Sofia University. Our estimates put its audience at ≈ 3.5 million visits per month. The business earns money mainly through government education subsidies. Its closest rivals include tu-sofia.bg, unwe.bg.
Traffic statistics
Traffic history
| Period | Visits | Change |
|---|---|---|
| Q1 | ≈ 3.3 million / month | +2% |
| Q2 | ≈ 3.4 million / month | +3% |
| Q3 | ≈ 3.5 million / month | +3% |
| Q4 | ≈ 3.7 million / month | +6% |
Traffic sources
- Organic search44%
- Direct36%
- Referral10%
- Social6%
- Paid4%
Audience & demographics
- Women51%
- Men49%
- Age 18-2434%
- Age 25-3427%
- Age 35-4419%
The audience is concentrated in Bulgaria, skewing urban and mobile, with usage peaks in the evening hours.
Geographic reach
- Bulgaria86%
Home market
- Diaspora and neighbouring markets7%
- Europe3%
- North America2%
- Rest of world2%
SEO profile
- Estimated organic traffic
- ≈ 1.1 million visits / month
- Branded share of search
- High — brand terms lead the keyword profile
- Indexed pages
- Large — category, listing or article level
- Primary search market
- Bulgaria
Top organic keywords
| Keyword | Position | Volume | Traffic share |
|---|---|---|---|
| sofia university st. kliment ohridski | 1 | Very high | Dominant |
| exam results | Top 10 | High | — |
| past papers | Top 10 | High | — |
| online courses | Top 10 | High | — |
Backlink profile
- Referring domains
- Tens of thousands
- Link profile
- News coverage, directories, blogs and partner sites
- Authority
- High within the Bulgaria web
Top referral sources
- News and media31%
- Directories and aggregators24%
- Blogs and forums20%
- Partner sites14%
- Other11%
Technology stack
Website technologies
Advertising & analytics technologies
Stack details are inferred from public front-end signals and engineering communications; internal systems may differ.
Mobile app statistics
Available in the local store
Available in the local store
- App share of traffic
- ≈ 66% mobile
- Position in country
- Among the leading education apps in Bulgaria
Company information
- Website
- uni-sofia.bg
- Sector
- Education
- Owner
- Sofia University
- Owner type
- Public university
- Founders
- National Assembly of Bulgaria
- Founded
- 1888
- Headquarters
- Sofia, Bulgaria
- Employees
- 3,000+
- Ownership
- Sofia University controls the platform. Ownership details are based on public filings and press reporting.
- Revenue
- Undisclosed
- Languages
- Bulgarian, English
- Top traffic sources
- organic search, direct, referral
Financials
- Revenue
- Undisclosed
- Ownership
- Public university
- Reporting
- Figures based on public filings, press reports and market estimates
Business model & revenue
Sofia University St. Kliment Ohridski operates an education platform focused on Bulgaria. Oldest and highest-ranking higher education research university in Bulgaria. Revenue comes mainly from government education subsidies, supported by the other lines listed below.
- Government Education Subsidies
Products & services
Related deals on Amazon
As an Amazon Associate, Global Site Index earns from qualifying purchases.
International presence
- Primary market
- Bulgaria
- Expansion
- Regional and diaspora audiences beyond the home market
Employee statistics
Customer statistics
Website rankings
- Country rank (Bulgaria)
- #10 in this index
- Sector rank
- Leading education site in Bulgaria
- Global rank
- 12000
Main competitors
Website comparisons
| Website | Monthly visits | Rank | Notes |
|---|---|---|---|
| tu-sofia.bg | ≈ 2.1 million / month | #11 class competitor | — |
| unwe.bg | ≈ 1.6 million / month | #12 class competitor | — |
What is Sofia University St. Kliment Ohridski?
Sofia University St. Kliment Ohridski (uni-sofia.bg) is an education platform serving users in Bulgaria. Oldest and highest-ranking higher education research university in Bulgaria. It ranks #10 among the most visited websites in the country in this index, within the education category.
Who owns Sofia University St. Kliment Ohridski?
The site is operated by Sofia University, founded by National Assembly of Bulgaria. The company was established in 1888 and is headquartered in Sofia, Bulgaria. It employs around 3,000+.
Traffic and audience
Traffic estimates place Sofia University St. Kliment Ohridski at roughly 3.5 million visits per month, about 0.1 million per day. Around 66% mobile of sessions come from mobile devices, and visitors view about 5.2 pages per visit with an average session of 9 min.
How Sofia University St. Kliment Ohridski makes money
Revenue comes primarily from government education subsidies, alongside .
Competitors in Bulgaria
Its closest rivals include tu-sofia.bg, unwe.bg.
Data and accuracy
Company facts are drawn from public sources. Traffic, revenue and audience figures are third-party estimates or sector benchmarks, marked with ≈ where modelled, and are reviewed periodically.
Company history & milestones
- 1888
Sofia University St. Kliment Ohridski is founded in Sofia, Bulgaria.
- Growth phase
Expands its education offering and moves to a mobile-first product.
- Today
Ranks #10 among the most visited websites in Bulgaria.
User reviews & ratings
| Source | Score | Reviews | Notes |
|---|---|---|---|
| Google Play | ≈ 4.3 / 5 | — | Ratings from the local store listing |
| App Store | ≈ 4.5 / 5 | — | Ratings from the local store listing |
| Consumer review platforms | Mixed | — | Service and support are common themes |
App store ratings are solid, while consumer review platforms show the usual friction around support and service quality.
Pros & cons
Pros
- Free or low-cost access to study material
- Content aligned with the national curriculum
- Works on low-end devices
- Exam and result services in one place
Cons
- Peak-period slowdowns around exam dates
- Uneven content quality between subjects
- Limited personalised feedback
- Some features locked behind subscriptions
Key statistics
Frequently asked questions
Who owns Sofia University St. Kliment Ohridski?
Sofia University St. Kliment Ohridski is operated by Sofia University. Public university structure, based on public filings and press reporting.
Where is Sofia University St. Kliment Ohridski headquartered?
Sofia University St. Kliment Ohridski is headquartered in Sofia, Bulgaria.
When was Sofia University St. Kliment Ohridski founded?
Sofia University St. Kliment Ohridski was founded in 1888 by National Assembly of Bulgaria.
How many employees does Sofia University St. Kliment Ohridski have?
Sofia University St. Kliment Ohridski employs approximately 3,000+ people.
What is Sofia University St. Kliment Ohridski's revenue?
Sofia University St. Kliment Ohridski's revenue: Undisclosed.
Who are Sofia University St. Kliment Ohridski's competitors?
Main competitors in Bulgaria include tu-sofia.bg, unwe.bg.
How does Sofia University St. Kliment Ohridski make money?
Mainly government education subsidies.
Is Sofia University St. Kliment Ohridski publicly traded?
Sofia University St. Kliment Ohridski's ownership: Public university.
How many visitors does Sofia University St. Kliment Ohridski get?
Third-party estimates place Sofia University St. Kliment Ohridski at roughly 3.5 million visits per month, mostly from Bulgaria, with 66% mobile traffic.
Is Sofia University St. Kliment Ohridski safe?
Sofia University St. Kliment Ohridski is an established education site founded in 1888 and ranked #10 in Bulgaria; use the official domain uni-sofia.bg and HTTPS.
Popular searches
Data sources & confidence
- Company website and public announcementsuni-sofia.bg
- Third-party traffic estimation providersSimilarweb-class estimates
Visit figures are modelled, not measured
- App store listingsApple App Store, Google Play
- Press and market coverageBulgaria and international business media
- Data confidence
- Medium for company facts, medium-low for traffic and financial estimates. All modelled figures are rounded and marked with ≈.
- Last updated
- September 2026
Traffic, revenue and audience figures are third-party estimates or derived from sector benchmarks, and are reviewed periodically.
Social media profiles & statistics
Official brand account
Announcements and support
Community and campaigns
Company and hiring updates
Brand and product videos