Bulgaria Call Center Outsourcing Costs
An outsourced call center agent in Bulgaria costs roughly $12 to $22 an hour, all in, and typically about $18. It combines EU membership with strong English and unusual depth in German, French, and Russian, which makes it a multilingual nearshore base for European brands.
How Bulgaria compares on price
At $18 an hour, Bulgaria costs less than 4 of the other 17 countries in the index and more than 13.
Why companies outsource to Bulgaria
- Time zone
- UTC+2
- Live US overlap: partial
- English proficiency
- 594 High
- EF English index 2025 · rank 18 of 123
- Working languages
- Bulgarian · English · German · French · Russian
- Primary support language: English
- 01
Market scale
Bulgaria's BPO sector centers on Sofia and Plovdiv and has grown into an established European outsourcing base. It is smaller than Romania or Poland but competes on both price and languages.
- 02
Language and accent
English is strong, with real German, French, Spanish, and Russian capacity alongside it. The Russian and Eastern European language depth stands out for brands serving those markets.
- 03
Time zone
At UTC+2, Bulgaria covers the European business day with a little US-morning overlap. Like its neighbors, it is built for EU hours rather than the US day.
- 04
Best-fit work
Bulgaria suits multilingual European support and back office, especially when Russian or other Eastern European languages are needed alongside Western European ones.
How the rate moves
By channel
Chat, email and back office cost less: they don't run in real time, so one agent can work several conversations.
By complexity
The biggest lever on your rate, by far. A tier-3 specialist costs well over twice as much as a back-office agent.
Bulgaria call center cost breakdown
The hourly rate a vendor charges is not what the agent earns. Of a $18 rate in Bulgaria, roughly 30% reaches the agent as take-home pay ($3.60 to $7.20/hr). About 40% covers benefits, team leads and quality assurance, and the last 30% pays for technology, facilities and the vendor's margin. A quote far below the range usually means one of those layers is missing, not that the vendor is more efficient.
Outsourcing to Bulgaria, answered
How much does it cost to outsource customer service to Bulgaria?
About $18 an hour per agent, fully loaded, meaning the rate already covers pay, benefits, supervision, tools and facilities. Most vendors quote between $12 and $22. That works out to roughly $2,880 per agent per month at 160 billable hours, or about $691,200 a year for a 20-agent tier-1 voice team on business hours.
What does one call center agent cost per month in Bulgaria?
Roughly $2,880 a month for a full-time agent, at the typical $18 rate and 160 billable hours. Vendor quotes run from $1,920 to $3,520. That figure is for first-line (tier-1) voice support. A back-office agent costs closer to $2,304 a month, and a tier-3 specialist about $5,760.
What does a 10-agent call center team cost in Bulgaria?
About $28,800 a month, or $345,600 a year, for 10 tier-1 voice agents on business hours. Vendor quotes for the same team usually land between $19,200 and $35,200 a month. Round-the-clock coverage adds up to 25 percent.
Is Bulgaria cheaper than the Philippines?
No. Bulgaria averages $18 an hour, against $12 in the Philippines, so it costs about 1.5 times as much. For a 20-agent tier-1 voice team, that adds roughly $230K a year. It is still about 49% cheaper than a US onshore agent at $35.
What drives the price of call center outsourcing in Bulgaria?
Complexity, more than anything else. In Bulgaria, a back-office agent costs about $14.40 an hour, first-line (tier-1) support $18.00, tier-2 $24.48 and a tier-3 specialist $36.00. Switching from voice to email moves the rate far less, from $18.00 to $14.40. Round-the-clock coverage adds a shift premium of up to 25 percent.
Methodology and sourcesRate data v2026.2 · May 2026
- 01
Rates are billable US dollars an hour, fully loaded, drawn from vendor disclosures and the contracts rethinkCX sees when running outsourcing engagements. Refreshed quarterly.
- 02
Channel, complexity, and shift-premium multipliers come from Crescendo.ai 2026 and Business.com shift-differential data.
- 03
English proficiency scores come from the EF English Proficiency Index 2025 (123 countries). Time-zone offsets are standard time, per the IANA time-zone database.
Using this data. The BPO Cost Index is published under a Creative Commons Attribution 4.0 license. You can republish the figures, chart them, or build on them, commercially or otherwise, as long as you credit the source: “Bulgaria call center outsourcing costs, rethinkCX BPO Cost Index, rethinkcx.com”.
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