Top Back Office Outsourcing Companies in Bulgaria

Ratings Updated: March 11, 2026

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23 Companies

Country: Bulgaria

Services: Back Office Outsourcing

List of the Top Bulgaria Back Office Outsourcing Service Providers

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TECHSPEED INC

4.9 18 reviews
Premier Verified

$1,000+

< $25 / hr

50 - 249

Serves Bulgaria

Services provided

20% Back Office Outsourcing

15% Customer Service Outsourcing

15% Data Annotation Services +5 services

15% Document Digitization & Management

10% Call Center Services

10% Content Moderation Services

10% Litigation Support Services

5% Transcription

TECHSPEED INC is a Business Process Outsourcing (BPO) company specializing in Back Office Services and Administrative Support Services. With consistently high ratings, clients commend their effective project management, proactive communication, and high accountability. They maintain a high accuracy rate in data entry and efficiently manage large product catalogs, with 100% of reviewers highlighting their reliable and responsive service.

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Industry Experience

TechSpeed Inc has demonstrated expertise across various industries including Politics, Home Services, Retail, Financial Services, and Advertising & Marketing. Clients commend their strong project management, responsiveness, and ability to deliver high-quality results efficiently. Overall sentiment reflects satisfaction, particularly in data processing and customer service, making them a suitable fit for organizations requiring reliable data entry, research, and operational support in diverse sectors.
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Software Other Industry Business services Consulting IT Services Nonprofit Real estate Financial services Retail Healthcare Home Services Politics Advertising & marketing

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Average Project Cost Breakdown

Less than $10,000 (6) $10,000 to $49,000 (5)

What Clients Have Said
Clients consistently highlight TECHSPEED INC's competitive pricing and exceptional value for money. One client noted they chose TECHSPEED for their 'good value for cost,' emphasizing the superior volume and speed of deliverables compared to other vendors. Another pointed out that their pricing fit within budget while maintaining high-quality service. Overall, the sentiment reflects strong satisfaction with the cost-effectiveness and reliability of TECHSPEED's services, with multiple clients expressing no identified areas for improvement.
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United States (16) Canada (1)

This provider is fluent in 1 language:

English

This provider is available in 1 time zone:

Pacific Standard Time (PST)

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Pune, India

Pune IT Park, 34 Aundh Road, Bhau Patil Marg,
Pune, India 411020
151 - 200

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Growth Hub

4.8 16 reviews
Premier Verified

Undisclosed

< $25 / hr

50 - 249

Serves Bulgaria

Services provided

60% Back Office Outsourcing

25% AI Development

15% Data Annotation Services

Growth Hub is a Business Process Outsourcing company specializing in administrative support services such as data entry, research, and workflow management. The reviews highlight their efficiency, accuracy, and adaptability, with a 100% satisfaction rate among clients. Growth Hub's ability to deliver customized solutions promptly and their proactive approach to client needs are consistently praised across reviews.

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Reviews mention Puts the customer first
Clients consistently commend Growth Hub for prioritizing customer needs, emphasizing their commitment to understanding project requirements. One client noted that Growth Hub took the time to grasp their standards and worked diligently to meet them. Additionally, the company's ability to deliver on promises has left a positive impression, contributing to overall satisfaction with their services. Overall, the sentiment reflects a strong customer-first approach, with no reported areas for improvement.

Sales Outsourcing Services for Hair Transplant Clinic

5.0 Jul 9, 2024

Yes, they took time to understand our needs and standards and are working hard to ensure they are constantly delivered.
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Industry Experience

Growth Hub has demonstrated expertise across various industries including Consulting, Financial Services, Medical, Software, Human Resources, and eCommerce. Clients commend their responsiveness, attention to detail, and ability to deliver tailored solutions. In Consulting and Financial Services, feedback highlights efficiency in data management and lead generation. The Medical sector feedback emphasizes effective appointment setting, while Software clients appreciated enhanced lead quality. Overall sentiment is positive across all sectors, indicating strong potential for collaboration in data-driven projects and lead generation.
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Consulting Financial services Other Industry Human Resources Medical Software Information technology Other industries eCommerce

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Average Project Cost Breakdown

Less than $10,000 (4) $50,000 to $199,999 (3) $10,000 to $49,000 (2)

What Clients Have Said
Clients consistently highlight Growth Hub's competitive pricing and exceptional value for money. Feedback indicates that their services fit within budget constraints while delivering high-quality results. For instance, one client noted that Growth Hub provided 'good value for cost' and facilitated significant lead generation success. Overall, the sentiment reflects satisfaction with the balance of cost and quality, suggesting that clients feel they receive more than what they pay for.
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Udaipur, India

Shriram Automall India Limited Jhamarkotra, Road, near HP Petrol Pump, Eklingpura, Udaipur, Rajasthan 313001, India
Udaipur, India 313001
101 - 150

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Big Outsource

5.0 51 reviews
Premier Verified

$10,000+

< $25 / hr

250 - 999

Serves Bulgaria

Services provided

30% Back Office Outsourcing

40% Customer Service Outsourcing

20% Call Center Services +1 service

10% Finance & Accounting Outsourcing (FAO)

Big Outsource is a Business Process Outsourcing company specializing in Remote Office Support and Administrative Support Services. It consistently receives high praise for reliability and professionalism, with clients noting improvements in efficiency and communication. Approximately 95% of reviews highlight their ability to integrate seamlessly with existing workflows, while 70% commend their proactive communication. Opportunities for enhancement include expanding service hours and offering more proactive tool suggestions.

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Reviews mention Attentive
Clients have consistently praised Big Outsource for their attentiveness and proactive communication. One CEO noted that the virtual assistant was 'curious, attentive, and clearly took pride in getting the little details right.' The project management was described as 'extremely well-managed,' with regular updates ensuring the client felt informed. Overall, the sentiment reflects a strong appreciation for the team's dedication to understanding and aligning with client needs.

VA & Back Office Outsourcing for FinTech Co

5.0 Jul 29, 2025

I loved how the VA quickly picked up my tone of voice and was able to write captions that felt authentic to my brand. She was curious, attentive, and clearly took pride in getting the little details right. For a solo founder like me, that’s golden.
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3 of 3 reviews are 5 stars

3 new reviews for Back Office Outsourcing services

$50,000 – $199,999 avg. project cost

Reviewed 3 times in the past 6 months
Recent reviews of Big Outsource highlight a strong overall sentiment, with clients praising their responsiveness and ability to streamline operations. Notably, one client reported a 30% improvement in project turnaround times and zero email backlog, while another mentioned a 70% reduction in admin workload. Clients appreciated the proactive communication and consistency in quality, describing Big Outsource as a reliable partner. Suggestions for improvement included more proactive recommendations for tools, but these were not seen as significant issues.
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23 of 23 Back Office Outsourcing reviews are 5 stars

13 new reviews for Back Office Outsourcing in past 6 months

$50,000 – $199,999 avg. project cost

Back Office Outsourcing PROJECT HIGHLIGHT

Documentation & Transcription for Preservation Mgmt. Company
5.0 — Big Outsource provided editing and formatting services for a cultural institution. Their tasks included reformatting PowerPoint decks, creating trainer-facing guides, and transcribing Zoom Read more
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Average Project Cost Breakdown

$50,000 to $199,999 (15) $10,000 to $49,000 (1) $200,000 to $999,999 (1)

What Clients Have Said
Clients frequently commend Big Outsource for their competitive pricing and exceptional value for money. Many highlighted that the pricing fit their budgets while still delivering high-quality service. For instance, one client noted a 70% reduction in in-house admin workload and a 15% increase in client satisfaction, emphasizing the value derived from their partnership. Overall, the sentiment reflects strong satisfaction with cost versus the quality of service provided, underscoring Big Outsource's alignment with client needs and expectations.
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Pontica Solutions

4.7 3 reviews

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Premier Verified

Undisclosed

< $25 / hr

250 - 999

Sofia, Bulgaria

Services provided

30% Back Office Outsourcing

40% Customer Service Outsourcing

20% IT Staff Augmentation +2 services

5% AI Consulting

5% Generative AI

Pontica Solutions is a Business Process Outsourcing company specializing in Remote Back Office Solutions and Administrative Support Services. They provided efficient customer support for a transportation company, with 100% of feedback highlighting their flexibility, responsiveness, and ability to deliver on time. Their work led to reduced call wait times and enhanced customer satisfaction.

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1 of 1 Back Office Outsourcing reviews are 5 stars

1 new review for Back Office Outsourcing in past 6 months

$10,000 – $49,000 avg. project cost

Back Office Outsourcing PROJECT HIGHLIGHT

Call Center Services for Transportation Company
5.0 — Pontica Solutions provided call center services for an transportation company. The team handled customer inquiries via phone and email, managed bookings, resolved issues, and offered performance Read more
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Industry Experience

Pontica Solutions has demonstrated expertise across multiple industries, including Transportation, Financial Services, and Logistics & Supply Chain. Feedback indicates strong performance in customer service management, operational flexibility, and responsiveness, leading to measurable improvements in customer satisfaction and operational efficiency. Their ability to adapt to specific industry needs shows a solid fit for clients seeking reliable support in high-demand sectors, particularly in logistics and customer-facing services.
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Transportation Financial services Logistics & Supply Chain

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Average Project Cost Breakdown

$1,000,000 to $9,999,999 (1)

What Clients Have Said
Clients consistently highlight Pontica Solutions' competitive pricing and excellent value for money. For instance, a transportation company noted that Pontica's pricing fit their budget and provided good value relative to cost. Similarly, a Department Head at Qonto emphasized the company's strong alignment with their needs and great cultural fit, attributing this to the good value for cost. Overall, sentiment regarding pricing is positive, with clients appreciating the balance between cost and quality of service.
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MarKam Solutions

5.0 9 reviews
Premier Verified

$1,000+

< $25 / hr

50 - 249

Sofia, Bulgaria

Services provided

10% Back Office Outsourcing

30% Call Center Services

20% Customer Service Outsourcing +2 services

20% IT Managed Services

20% Sales Outsourcing

MarKam Solutions is a Business Process Outsourcing company specializing in Remote Back Office Solutions and Administrative Support Services. With 100% positive feedback, reviewers commend their flexibility, efficient management structure, and ability to integrate seamlessly with client workflows, enhancing Amazon account operations through dedicated virtual assistant teams.

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Reviews mention Detail-oriented
Clients consistently praised MarKam Solutions for their detail-oriented approach, highlighting their structured methodology and data-driven decisions. One client noted their 'attention to detail and excellent communication skills,' which facilitated timely task completion. Another emphasized their 'very structured and detail-oriented' management style, which contributed to significant improvements in customer satisfaction and operational efficiency. Overall, the sentiment regarding their attention to detail is overwhelmingly positive, indicating a strong alignment with client needs.

Sales & Customer Service Outsourcing for Transportation Co

5.0 Sep 9, 2024

What did you find most impressive or unique about this company? Attention to detail and excellent communication skills between our company and MarKam. Ability to apply industry leading strategies for continuous improvement, coupled with the latest technology implementation.
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3 of 3 reviews are 5 stars

1 new review for Back Office Outsourcing services

$10,000 – $49,000 avg. project cost

Reviewed 3 times in the past 6 months
Recent client feedback on MarKam Solutions highlights their exceptional project management and adaptability. Clients noted impressive outcomes, such as a 50% increase in lead generation and 35% improvement in conversion rates. The team's proactive communication and tailored solutions were frequently praised, with one client emphasizing their personal approach despite budget constraints. Overall sentiment is overwhelmingly positive, with no significant areas for improvement identified, indicating a strong fit for diverse project needs.
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Industry Experience

MarKam Solutions has demonstrated expertise across various sectors, including Advertising & Marketing, Supply Chain & Logistics, Manufacturing, Transportation, and Information Technology. Clients commend their ability to enhance operational efficiency, boost sales, and improve customer satisfaction. The overall sentiment is highly positive, particularly within Supply Chain & Logistics, where they provided significant cost reductions and revenue growth. Their strengths lie in adaptability, effective communication, and a strong understanding of industry-specific needs, making them a suitable partner across these diverse fields.
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Advertising & marketing Information technology Supply Chain, Logistics, and Transport Manufacturing Transportation

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Average Project Cost Breakdown

$50,000 to $199,999 (3) $10,000 to $49,000 (1) $200,000 to $999,999 (1)

What Clients Have Said
Clients consistently praised MarKam Solutions for their competitive pricing and excellent value for money. One client highlighted that their pricing fit the budget while providing a 'good value for cost.' Another noted a 35% decrease in labor costs while meeting sales goals, emphasizing affordability without sacrificing quality. Overall, feedback reflects strong satisfaction with cost-effectiveness, suggesting that MarKam Solutions delivers substantial value relative to their fees.
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MWDN

4.9 22 reviews
Premier Verified

$25,000+

$25 - $49 / hr

50 - 249

Sofia, Bulgaria

Services provided

10% Back Office Outsourcing

15% Employer of Record (EOR) Services

15% IT Staff Augmentation +5 services

15% Recruiting

15% Staffing

10% Custom Software Development

10% Executive Search

10% Recruitment Process Outsourcing

MWDN is a versatile software development and outsourcing company, specializing in providing skilled development teams and technical solutions. Their services are marked by professionalism, flexibility, and effective project management, consistently delivering on time and adapting to the dynamic needs of their clients. Reviews reflect high satisfaction, with over 90% of clients praising MWDN for their cultural fit, value for cost, and quality of deliverables.

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Reviews mention Collaborative
Clients consistently commend MWDN for their collaborative approach, highlighting clear and transparent communication as a key strength. One client noted that the open lines of communication fostered trust and collaboration, contributing to successful project outcomes. Additionally, the company was recognized for effectively responding to client needs and consistently meeting project deadlines, enhancing the collaborative experience. Overall, the sentiment reflects a strong appreciation for MWDN's commitment to teamwork and client engagement.

Web & Mobile App Development for Wireless Solutions Co

5.0 Dec 12, 2023

Clear and transparent communication is a hallmark of our engagement with MWDN. From project updates to issue resolution, the open lines of communication fostered a sense of trust and collaboration. This approach greatly enhanced our ability to work together effectively.
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4 of 6 reviews are 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 6 times in the past 6 months
Recent client feedback on MWDN reflects a strong overall sentiment of satisfaction, highlighting their professionalism, responsiveness, and effective project management. Clients noted timely delivery of high-quality work, with one remarking on a 40% efficiency improvement in their team. MWDN's flexibility in resource allocation and commitment to client success were repeatedly praised, with no significant areas for improvement identified. Overall, MWDN is viewed as a reliable partner that seamlessly integrates into client teams.
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Israel (13) United States (6) Gibraltar (1) Switzerland (1)

This provider is fluent in 1 language:

English

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Sofia, Bulgaria

Tsarigradsko Shose Blvd 111B, Sofia Tech Park
Sofia, Bulgaria 1784
2 - 5

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Mercatus

4.8 22 reviews
Verified

$5,000+

< $25 / hr

50 - 249

Sofia, Bulgaria

Services provided

10% Back Office Outsourcing

50% Customer Service Outsourcing

20% Sales Outsourcing +2 services

10% Call Center Services

10% IT Staff Augmentation

Mercatus is a lead generation and outreach company offering services such as LinkedIn campaigns, cold calling, and email outreach to increase client visibility and generate business leads. Feedback from clients is generally positive, with 90% highlighting impressive project management, open communication, and effective campaign execution. However, 20% noted challenges in expanding market reach, suggesting areas for improvement in targeting specific industries and markets.

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Reviews mention High-quality work
Mercatus consistently delivers high-quality work, as evidenced by client feedback highlighting impressive lead generation results and effective communication. One client noted a 50% acceptance rate and 40% response rate from their LinkedIn campaign, while another praised Mercatus for successfully adapting strategies to align with their corporate culture. Overall, clients express satisfaction with the professionalism, responsiveness, and results achieved, reflecting a positive sentiment towards the quality of Mercatus's services.

Sales Leads Generation for HR Consulting Company

4.5 Jul 19, 2021

We like the fact that they also feel happy from the results the campaign is achieving and had genuine interest what did we do to the initial list of prospects to nail it down to 30% of it, obviously very targeted. Once we kicked off the project, Mercatus were open to our suggestions and we did not find any areas for improvement so far.
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Digital Marketing Strategy for Online Insurance Services

5.0 Jun 21, 2021

The Linkedin campaign was very successful. We reached 69 connections just for one week, more than 10 calls (meetings) per week and we send our offer to more than 50 companies. But still, their efforts were more than effective.
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LinkedIn Marketing for Consultancy Company

5.0 Dec 29, 2020

The interim and final reports showed a consistent strive resulting in achievement of the set goals. The overall outcome from this project is considered positive and beyond our preliminary expectations. We were happy to notice that without having any previous common work experience, Mercatus managed to deliver the expected high quality service and to provide us the solution which saved us resources as time, budget and stress and helped us achieve our goals.
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1 of 1 reviews is 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 1 time in the past 6 months
Recent reviews of Mercatus indicate a positive overall sentiment, particularly highlighting their effective lead generation and outreach campaigns. Clients appreciate their proactive approach, especially in the Bulgarian market, resulting in numerous qualified leads and successful appointment settings. However, some feedback suggests a need for improved outreach strategies in the UK market. Overall, clients recommend clear communication and feedback to enhance collaboration with Mercatus.
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More responsive than most other service providers

Mercatus is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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Bulgaria (17) Romania (2) Estonia (1) Spain (1)

This provider is fluent in 24 languages:

English

Spanish

Arabic

Russian

Portuguese

German

French

Turkish

Italian

Polish

Ukrainian

Romanian

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This provider is available in 6 time zones:

Greenwich Mean Time (GMT)

Arabia Standard Time (AST)

Central European Time (CET)

Central Standard Time (CST)

Eastern European Time (EET)

Eastern Standard Time (EST)

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OWORKERS

4.5 2 reviews
Verified

$1,000+

< $25 / hr

250 - 999

Plovdiv, Bulgaria

Services provided

60% Back Office Outsourcing

20% Customer Service Outsourcing

20% Finance & Accounting Outsourcing (FAO)

OWORKERS is a BPO company specializing in document verification and app monitoring services across various regions. Reviews indicate a high level of satisfaction with their problem-solving abilities and quick feedback, with 100% of reviewers highlighting their effective communication and decision-making. Clients appreciate their ownership and dedication, with no significant areas for improvement mentioned.

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Industry Experience

OWORKERS has received positive feedback across the IT Services and Information Technology industries. Clients commend their expertise in establishing BPO teams for document verification and app monitoring, highlighting strengths in problem-solving, quick feedback, and operational efficiency. The overall sentiment reflects satisfaction with their ability to enhance service quality and monitoring effectiveness, making them a suitable partner for companies in need of robust support in these sectors.
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IT Services Information technology

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Average Project Cost Breakdown

$10,000 to $49,000 (1)

What Clients Have Said
Clients commend OWORKERS for their competitive pricing and value for money, noting that cost-effectiveness was a key factor in their selection process. One client highlighted their ability to solve problems quickly and effectively, while another praised their ownership and dedication to service quality. Overall, feedback indicates satisfaction with the balance of cost and service quality, reinforcing OWORKERS' reputation as a valuable partner.
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Estonia (1) South Korea (1)

This provider is fluent in 13 languages:

English

Spanish

Russian

Portuguese

German

French

Turkish

Cantonese

Italian

Polish

Ukrainian

Romanian

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This provider is available in 10 time zones:

Middle East Time (MET)

Greenwich Mean Time (GMT)

Central European Time (CET)

Central Standard Time (CST)

Eastern European Time (EET)

Eastern Standard Time (EST)

Pacific Standard Time (PST)

Phoenix Standard Time (PNT)

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Plovdiv, Bulgaria

Rilon center building, bul. “Konstantin Velichkov” 2, Office 1, floor 5, Sadiyski
Plovdiv, Bulgaria 4000
76 - 100

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Flat Rock Technology

4.7 14 reviews

$25,000+

$50 - $99 / hr

250 - 999

Burgas, Bulgaria

Services provided

30% Back Office Outsourcing

30% Custom Software Development

15% Mobile App Development +3 services

10% IT Staff Augmentation

10% Web Design

5% UX/UI Design

Flat Rock Technology is a versatile technology company offering services in web and mobile app development, cloud infrastructure management, and custom software solutions. The company receives predominantly positive feedback, with around 90% of reviewers highlighting their professionalism, timely delivery, and ability to understand client needs. A recurring theme is their effective project management, although some suggest that communication can occasionally be improved. Overall, clients appreciate their adaptability and commitment to quality.

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Reviews mention Great project management
Clients consistently praise Flat Rock Technology for their exemplary project management skills. One director noted their 'smooth and professional' approach, emphasizing quick responses and creative problem-solving. Another client highlighted their project manager's effectiveness, stating they appreciate the timely communication and prioritization of urgent matters. Overall, feedback reflects a high level of satisfaction with Flat Rock's ability to meet deadlines, manage internal work efficiently, and maintain strong client relationships.

Chatbot Development for Telecommunications Company

5.0 May 4, 2020

They know what they’re doing when it comes to project management. They’re smooth and professional, always giving us quick responses. They’re a team of creative thinkers who like to think outside the box.
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E-Learning Platform Development for Trading School

5.0 Sep 13, 2018

Their project management is impressive. They do a fantastic job meeting our needs and managing the work internally. We have direct access to our project manager and their team, who always help in a timely manner. Flatrock Technology treats every urgent situation as a priority and solves them in the blink of an eye.
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Custom Software Dev for Service Station Operator

4.5 Aug 31, 2018

Our dedicated project manager did a great job, so I didn't have to be involved in too many details. We usually used email and phone to communicate, and they also provided us with weekly reports. If we had any issues during the testing phase, they addressed them quickly.
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E-commerce Dev for Travel Bicycle Retailer

5.0 Aug 29, 2018

A few times there has been a bit of a language barrier, but the project manager has always been able to act as a good liaison between the teams. Any time that they won’t meet a deadline, they approach us instead of waiting for us to ask, and always try to resolve hurdles in the best possible way. I’ve been very happy with them as a supplier and with their project management.
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Industry Experience

Flat Rock Technology has garnered positive feedback across diverse industries including Advertising & Marketing, IT Services, Software, Telecommunications, Financial Services, Real Estate, Arts & Entertainment, Education, Retail, and Consumer Products. Clients commend their expertise in cloud infrastructure management, software development, and mobile applications. Overall sentiment is favorable, highlighting their responsiveness, effective communication, and ability to deliver high-quality results. Potential clients in need of reliable technical support, innovative solutions, and strong collaboration may find Flat Rock Technology a suitable partner.
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Advertising & marketing IT Services Software Telecommunications Financial services Real estate Arts, entertainment & music Education Retail Consumer Products Other Industry

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Average Project Cost Breakdown

$50,000 to $199,999 (4) $10,000 to $49,000 (2) $200,000 to $999,999 (2) Less than $10,000 (1)

What Clients Have Said
Flat Rock Technology is perceived as offering good value for money, with clients frequently highlighting their cost-effectiveness and the quality of service provided. One client noted they selected Flat Rock for their 'good value for cost,' while another appreciated the 'high-quality' work despite a fluctuating payment model. Overall, clients express satisfaction with their investment, indicating that Flat Rock delivers on time and meets project requirements, suggesting a positive sentiment regarding cost and value.
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Burgas, Bulgaria

Smart Center, ul. Transportna 15
Burgas, Bulgaria 8008
21 - 30

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CXG Business Process Outsourcing

5.0 1 review

Undisclosed

Undisclosed

50 - 249

Sofia, Bulgaria

Services provided

21% Back Office Outsourcing

25% Customer Service Outsourcing

24% Call Center Services +2 services

15% Recruiting

15% Staffing

CXG Business Process Outsourcing is a specialized BPO company known for its efficiency in scaling teams to manage shared services, AI training, and data analytics. Reviews highlight their professionalism, effective collaboration, and adaptability, with a 100% positive feedback rate. Clients appreciate their ability to backfill positions swiftly, ensuring seamless service delivery.

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Industry Experience

CXG Business Process Outsourcing has demonstrated strong expertise in the Software industry, particularly in managed and shared services for a SAAS company in Business Spend Management. The firm's strengths include rapid resource ramp-up, effective team integration, and AI training for invoice processing and data classification. Clients express satisfaction with CXG's professionalism and collaborative approach, resulting in seamless service delivery and team support. Overall, CXG is well-suited for clients in the Software sector seeking agile and efficient outsourcing solutions.
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Software

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Average Project Cost Breakdown

$200,000 to $999,999 (1)

What Clients Have Said
Clients generally perceive CXG Business Process Outsourcing as offering strong value for money. One client noted that CXG's pricing was competitive compared to IT-focused service providers, highlighting their specialization in BPO. The swift ramp-up of resources and the ability to fill positions quickly were also praised, emphasizing the cost-effectiveness of their services. Overall, the sentiment reflects satisfaction with both the cost and the quality of service provided.
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InfoSource Bulgaria Ltd

4.5 2 reviews

$1,000+

< $25 / hr

10 - 49

Sofia, Bulgaria

Services provided

20% Back Office Outsourcing

20% Call Center Services

20% Document Digitization & Management +3 services

20% Recruiting

10% Customer Service Outsourcing

10% Finance & Accounting Outsourcing (FAO)

InfoSource Bulgaria Ltd is a data management and analysis company specializing in extracting and structuring information from financial and executive reports. The company is consistently praised for its cost-effectiveness, attention to detail, and responsive project management. Approximately 100% of reviewers highlighted their satisfaction with the quality of service and customer-focused approach.

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Reviews mention Timely
Clients have consistently praised InfoSource Bulgaria Ltd for their timely project management and responsiveness. One client noted that the team was 'always very responsive, timely and pro-active' in delivering outcomes. Their commitment to customer satisfaction is highlighted by feedback stating they are 'very responsive, easygoing and great to work with.' Overall, the sentiment regarding timeliness is overwhelmingly positive, indicating a strong alignment with client expectations.

Financial Services for Financial & Economic Media Company

5.0 Sep 14, 2023

Project management on our project was always very responsive, timely and pro-active.
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Industry Experience

InfoSource Bulgaria Ltd has demonstrated expertise primarily in the Media and Software industries. Clients in the Media sector praised their responsiveness, quality, and alignment with company values, resulting in successful data analysis of financial reports. In the Software industry, they were recognized for precision and attention to detail in manual curation projects, particularly in talent intelligence. Overall, client sentiment reflects satisfaction with cost-effectiveness and proactive communication, making them a strong option for companies in these fields.
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Software Media

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Average Project Cost Breakdown

$50,000 to $199,999 (1)

What Clients Have Said
Clients have consistently praised InfoSource Bulgaria Ltd for their cost-effectiveness and overall value for money. One client highlighted that their pricing fit the budget and provided good value, emphasizing their focus on customer satisfaction and high-quality service at fair prices. Another review specifically noted the company's remarkable cost-effectiveness and attention to detail, affirming their ability to deliver precision and accuracy in their work.
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Netherlands (1) United States (1)

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Callboxs

5.0 4 reviews

$5,000+

< $25 / hr

250 - 999

Burgas, Bulgaria

Services provided

20% Back Office Outsourcing

50% Call Center Services

30% Customer Service Outsourcing

Callboxs is an outsourcing service provider specializing in customer support and market strategy development. Clients commend them for their adaptability, creativity, and professionalism, with 100% of feedback indicating satisfaction. Notably, they helped one client increase sales by 100% in two months, showcasing their effectiveness in market penetration and customer service enhancement.

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Reviews mention Professional
Clients commend Callbox for their professionalism and commitment to shared objectives, noting their creative and proactive approach. One COO highlighted the company's ability to adapt and provide high-quality support, resulting in a 100% sales increase in Eastern Europe. The team was described as stable and flexible, contributing to effective collaboration. Overall, the sentiment reflects strong satisfaction with Callbox's professional conduct and successful project outcomes.

Business Consulting for Logistics Company

5.0 Sep 21, 2021

They are a stable partner, fully committed to achieving common goals. They have a flexible approach and high professionalism. No, they fully met our requirements.
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Industry Experience

Callbox demonstrates strong expertise in the Hospitality and Manufacturing industries. Clients in Hospitality praised their adaptability, effective customer service, and proactive approach, leading to improved client satisfaction. In Manufacturing, they excelled in market entry strategies, contributing to a 100% sales increase in Eastern Europe. Overall, feedback indicates Callbox's strengths in communication, strategic planning, and professionalism, making them a suitable partner for companies in these sectors seeking growth and enhanced customer engagement.
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Hospitality & leisure Manufacturing

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Average Project Cost Breakdown

Less than $10,000 (1) $10,000 to $49,000 (1)

What Clients Have Said
Clients have praised Callboxs for their exceptional value for money, noting competitive rates such as $14 per hour and a strong return on investment through increased sales and enhanced customer satisfaction. One client highlighted the company's proactive approach and the added value of a complimentary customer satisfaction survey. Overall sentiment reflects a high level of satisfaction with the cost-effectiveness of their services and the quality of support provided.
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MENA Software

4.8 4 reviews

$5,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

15% Back Office Outsourcing

25% Blockchain

10% BI & Big Data Consulting & SI +5 services

10% Business Consulting

10% Custom Software Development

10% IoT Development

10% Mobile App Development

10% Web Development

MENA Software is a versatile software development company specializing in platform development, blockchain solutions, and app creation. Their services have received overwhelmingly positive feedback, with approximately 100% of clients noting their effective project management and dedication. Clients consistently highlight the company's strong competence, high-quality output, and affordability, with no major areas for improvement suggested.

See all 4 projects
Reviews mention Professional
MENA Software has received positive feedback regarding their professionalism in service delivery. A managing partner noted that the team was 'professional and prompt' while also highlighting their 'remarkable' customer interactions. Clients expressed high satisfaction with the quality of work and affordability, indicating a strong alignment with their project needs. Overall, the sentiment reflects a commendable level of professionalism, although there is a suggestion for the company to increase its workforce.

Software Update for Online Consulting Service

5.0 Oct 19, 2018

MENA Software was professional and prompt. The way they work and deal with customers is remarkable. They also offer great prices.
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Industry Experience

MENA Software has demonstrated expertise across several industries, including Information Technology, Advertising & Marketing, Gaming, and IT Services. Clients commend their project management effectiveness and technical competence, with particular praise for their ability to deliver high-quality solutions efficiently. Feedback indicates strong satisfaction in software development and design, particularly in blockchain and gaming projects, suggesting they are well-suited for clients in these sectors looking for reliable and innovative technology partners.
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Information technology Advertising & marketing Gaming IT Services

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Average Project Cost Breakdown

$10,000 to $49,000 (2) Less than $10,000 (1) $50,000 to $199,999 (1)

What Clients Have Said
MENA Software has received positive feedback regarding their overall cost and value for money. Clients highlighted their cost-effective solutions, with one stating that their services were 'affordable' and another noting that they provided 'excellent' service at great prices. Additionally, a client emphasized the team's efficiency and project management, describing them as 'cost-effective' and 'professional.' Overall, clients express high satisfaction with the value received for the investment made.
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Bulgaria (2) United Arab Emirates (1)

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ProcessFlows

Not yet reviewed

$1,000+

< $25 / hr

50 - 249

София, Bulgaria

Services provided

50% Back Office Outsourcing

10% Business Consulting

10% Custom Software Development +3 services

10% Customer Service Outsourcing

10% Finance & Accounting Outsourcing (FAO)

10% IT Managed Services

ProcessFlows, a Back Office Outsourcing company, focus on Back Office Outsourcing and Custom Software Development. They were launched in 1987.
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София, Bulgaria

Mandarin Centre 53B Nikola Vaptsarov Blvd. 2nd floor
София, Bulgaria 1407
50 - 75

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Flow Logic

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Sofia, Bulgaria

Services provided

100% Back Office Outsourcing

Flow Logic is a Back Office Outsourcing company. The small Sofia, Bulgaria-based team focuses on Back Office Outsourcing. The firm was launched in 2020.
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AppGreat

Not yet reviewed

$5,000+

$25 - $49 / hr

50 - 249

Plovdiv, Bulgaria

Services provided

10% Back Office Outsourcing

10% Custom Software Development

10% Customer Service Outsourcing +7 services

10% Cybersecurity

10% DevOps Managed Services

10% IT Managed Services

10% IT Staff Augmentation

10% Mobile App Development

10% UX/UI Design

10% Web Development

AppGreat is a midsize user experience company. They specialize in UX/UI Design and Cybersecurity and were founded in 2019.
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Plovdiv, Bulgaria

152 6ti Septemvri Blvd
Plovdiv, Bulgaria 4000
16 - 20

+359877003944

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Remotek Ltd

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Varna, Bulgaria

Services provided

100% Back Office Outsourcing

Back Office Outsourcing company Remotek Ltd was founded in 2008. The company offers Back Office Outsourcing.
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ODEON msc - A TTC brand

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% Back Office Outsourcing

20% Finance & Accounting Outsourcing (FAO)

20% HR Consulting +5 services

10% Accounting

10% Business Consulting

10% Call Center Services

10% Customer Service Outsourcing

10% Sales Outsourcing

Established in 2019, ODEON msc - A TTC brand is a Finance & Accounting Outsourcing (FAO) company. The team offers Finance & Accounting Outsourcing (FAO) and HR Consulting.
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Sixty K Ltd

Not yet reviewed

$50,000+

< $25 / hr

1,000 - 9,999

Sofia, Bulgaria

Services provided

10% Back Office Outsourcing

80% Customer Service Outsourcing

10% Call Center Services

Sixty K Ltd is a large Customer Service Outsourcing company. Founded in 2008, the team focuses on Customer Service Outsourcing and Back Office Outsourcing.
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Software Group

Not yet reviewed

$10,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Services provided

30% Back Office Outsourcing

40% IT Strategy Consulting

30% Other IT Consulting and SI

Software Group is an IT strategy consulting company launched in 2009. Their team offers IT strategy consulting and Back Office Outsourcing.
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Customer Umbrella

5.0 20 reviews

$1,000+

< $25 / hr

250 - 999

Varna, Bulgaria

Services provided

20% Back Office Outsourcing

20% IT Managed Services

20% Staffing +4 services

15% Customer Service Outsourcing

10% Call Center Services

10% IT Staff Augmentation

5% Recruiting

Customer Umbrella is a provider of Remote Back Office Solutions and Administrative Outsourcing services. The company receives overwhelmingly positive feedback, with 100% of reviews highlighting their expertise, professionalism, and commitment to outstanding service. Clients consistently commend their seamless integration into existing workflows and their proactive approach to problem-solving. Notably, their dedication to customizing solutions is frequently mentioned, ensuring alignment with each client's unique needs and business values.

See all 20 projects

6 of 6 Back Office Outsourcing reviews are 5 stars

$10,000 – $49,000 avg. project cost

Back Office Outsourcing PROJECT HIGHLIGHT

Back Office Support for Photo Organization Platform
5.0 — Customer Umbrella provided back office support for a photo organization platform. The team was responsible for customer service, safety training sessions, and CMS integration for user-generated Read more
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Average Project Cost Breakdown

$10,000 to $49,000 (9) Less than $10,000 (2)

What Clients Have Said
Client feedback on Customer Umbrella consistently highlights their strong value for money, with many noting that their pricing aligns well with budget expectations. One client emphasized that Customer Umbrella’s pricing fit their budget while delivering high-quality service, stating they experienced a significant boost in customer satisfaction and operational efficiency. Overall sentiment indicates that clients appreciate the balance of cost and quality, with several reviews mentioning the impressive results achieved without exceeding budgets.
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More responsive than most other service providers

Customer Umbrella is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

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United States (5) Cyprus (2) Germany (2) Canada (1) England (1)

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ACS Bulgaria

Not yet reviewed

$5,000+

$50 - $99 / hr

10 - 49

Sofia, Bulgaria

Services provided

15% Back Office Outsourcing

25% Customer Service Outsourcing

20% Staffing +4 services

15% Business Consulting

15% HR Outsourcing

5% IT Managed Services

5% IT Staff Augmentation

ACS Bulgaria is a Customer Service Outsourcing company launched in 2022. The agency provides Customer Service Outsourcing and Staffing.
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DSI

Not yet reviewed

$10,000+

$50 - $99 / hr

2 - 9

Sofia, Bulgaria

Services provided

25% Back Office Outsourcing

25% Custom Software Development

25% Mobile App Development +1 service

25% Web Development

In Sofia, Bulgaria, DSI is a small custom software development company. Their services include Custom Software Development and Back Office Outsourcing.
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Karma Consult

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Sofia, Bulgaria

Services provided

20% Back Office Outsourcing

20% E-Commerce Development

20% Mobile App Development +2 services

20% Web Design

20% Web Development

Small web design agency Karma Consult, is in Nice, France and Sofia, Bulgaria. Their services include Web Design and Web Development.
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Sofia, Bulgaria

Petko Slaveykov 8, Sofia, Sofija Grad
Sofia, Bulgaria 1000

+33 972.662.920

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Hartona Ltd.

Not yet reviewed

Undisclosed

< $25 / hr

2 - 9

Sofia, Bulgaria

Services provided

20% Back Office Outsourcing

20% BI & Big Data Consulting & SI

20% Graphic Design +2 services

20% Social Media Marketing

20% Web Development

Social media marketing agency Hartona Ltd. Specializes in Social Media Marketing and Graphic Design. They were founded in 2021.
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Purified Marketing

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Plovdiv, Bulgaria

Services provided

25% Back Office Outsourcing

50% Search Engine Optimization

25% Content Marketing

SEO services firm Purified Marketing is located in Plovdiv, Bulgaria. They offer Search Engine Optimization and Back Office Outsourcing and were founded in 2013.
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At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

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We evaluate service providers using a structured methodology that combines:

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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

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Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Pontica Solutions

2 Flat Rock Technology

3 MarKam Solutions

4 Mercatus

5 CXG Business Process Outsourcing

6 InfoSource Bulgaria Ltd

7 Callboxs

8 MENA Software

9 OWORKERS

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 9 Bulgaria Back Office Outsourcing Service Providers

Pontica Solutions

Undisclosed

< $25 / hr

250 - 999

Sofia, Bulgaria

Ability to deliver

30.2/40.0

16/20 Reviews

7.1/10 Clients & Experience

7.1/10 Market Presence

Service focus

30% Back Office Outsourcing

70% Other

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Flat Rock Technology

$25,000+

$50 - $99 / hr

250 - 999

London, England

Ability to deliver

28.3/40.0

15.4/20 Reviews

7.2/10 Clients & Experience

5.6/10 Market Presence

Service focus

30% Back Office Outsourcing

70% Other

View Profile Visit Website
MarKam Solutions

$1,000+

< $25 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

33/40.0

18/20 Reviews

10/10 Clients & Experience

5/10 Market Presence

Service focus

10% Back Office Outsourcing

90% Other

View Profile Visit Website
Mercatus

$5,000+

< $25 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

32.3/40.0

16.8/20 Reviews

9.8/10 Clients & Experience

5.7/10 Market Presence

Service focus

10% Back Office Outsourcing

90% Other

View Profile Visit Website
CXG Business Process Outsourcing

Undisclosed

Undisclosed

50 - 249

Sofia, Bulgaria

Ability to deliver

25/40.0

16.2/20 Reviews

3.9/10 Clients & Experience

4.9/10 Market Presence

Service focus

21% Back Office Outsourcing

79% Other

View Profile Visit Website
InfoSource Bulgaria Ltd

$1,000+

< $25 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

25.2/40.0

14.8/20 Reviews

5.5/10 Clients & Experience

4.9/10 Market Presence

Service focus

20% Back Office Outsourcing

80% Other

View Profile Visit Website
Callboxs

$5,000+

< $25 / hr

250 - 999

Burgas, Bulgaria

Ability to deliver

21.4/40.0

16.2/20 Reviews

0.6/10 Clients & Experience

4.6/10 Market Presence

Service focus

20% Back Office Outsourcing

80% Other

View Profile Visit Website
MENA Software

$5,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

20.8/40.0

15.6/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

15% Back Office Outsourcing

85% Other

View Profile Visit Website
OWORKERS

$1,000+

< $25 / hr

250 - 999

London , England

Ability to deliver

32/40.0

14.6/20 Reviews

10/10 Clients & Experience

7.4/10 Market Presence

Service focus

60% Back Office Outsourcing

40% Other

View Profile Visit Website
ProcessFlows

$1,000+

< $25 / hr

50 - 249

Hants, England

Ability to deliver

5.7/40.0

0/20 Reviews

0/10 Clients & Experience

5.7/10 Market Presence

Service focus

50% Back Office Outsourcing

50% Other

View Profile Visit Website
Flow Logic

Undisclosed

Undisclosed

2 - 9

Sofia, Bulgaria

Ability to deliver

5.3/40.0

0/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

100% Back Office Outsourcing

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AppGreat

$5,000+

$25 - $49 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

9.6/40.0

0/20 Reviews

3.7/10 Clients & Experience

6/10 Market Presence

Service focus

10% Back Office Outsourcing

90% Other

View Profile Visit Website
Remotek Ltd

$1,000+

$25 - $49 / hr

2 - 9

Varna, Bulgaria

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

100% Back Office Outsourcing

View Profile Visit Website
ODEON msc - A TTC brand

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

8.2/40.0

0/20 Reviews

3.6/10 Clients & Experience

4.6/10 Market Presence

Service focus

10% Back Office Outsourcing

90% Other

View Profile Visit Website
Sixty K Ltd

$50,000+

< $25 / hr

1,000 - 9,999

Sofia, Bulgaria

Ability to deliver

5.3/40.0

0/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

10% Back Office Outsourcing

90% Other

View Profile Visit Website
Software Group

$10,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

30% Back Office Outsourcing

70% Other

View Profile Visit Website
Customer Umbrella

$1,000+

< $25 / hr

250 - 999

Varna, Bulgaria

Ability to deliver

28/40.0

17/20 Reviews

6.1/10 Clients & Experience

4.9/10 Market Presence

Service focus

20% Back Office Outsourcing

80% Other

View Profile Visit Website
ACS Bulgaria

$5,000+

$50 - $99 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

4.1/40.0

0/20 Reviews

0.1/10 Clients & Experience

4/10 Market Presence

Service focus

15% Back Office Outsourcing

85% Other

View Profile Visit Website
DSI

$10,000+

$50 - $99 / hr

2 - 9

Sofia, Bulgaria

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

25% Back Office Outsourcing

75% Other

View Profile Visit Website
Karma Consult

Undisclosed

Undisclosed

2 - 9

Nice, France

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% Back Office Outsourcing

80% Other

View Profile Visit Website
Hartona Ltd.

Undisclosed

< $25 / hr

2 - 9

Sofia, Bulgaria

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

20% Back Office Outsourcing

80% Other

View Profile Visit Website
MWDN

$25,000+

$25 - $49 / hr

50 - 249

תל אביב-יפו, Israel

Ability to deliver

33/40.0

20/20 Reviews

7.6/10 Clients & Experience

5.5/10 Market Presence

Service focus

10% Back Office Outsourcing

90% Other

View Profile Visit Website
Purified Marketing

$1,000+

$25 - $49 / hr

2 - 9

Plovdiv, Bulgaria

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

25% Back Office Outsourcing

75% Other

View Profile Visit Website

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List of the Top Bulgaria Back Office Outsourcing Service Providers

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What Clients Have Said

Reviews mention Puts the customer first

Sales Outsourcing Services for Hair Transplant Clinic

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Reviews mention Attentive

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Reviewed 3 times in the past 6 months

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Industry Experience

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Reviews mention Detail-oriented

Sales & Customer Service Outsourcing for Transportation Co

Reviewed 3 times in the past 6 months

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Reviews mention Collaborative

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Reviewed 6 times in the past 6 months

Reviews mention High-quality work

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Reviewed 1 time in the past 6 months

Mercatus is very responsive

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Reviews mention Great project management

Chatbot Development for Telecommunications Company

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Custom Software Dev for Service Station Operator

E-commerce Dev for Travel Bicycle Retailer

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Industry Experience

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Reviews mention Timely

Financial Services for Financial & Economic Media Company

Industry Experience

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Reviews mention Professional

Business Consulting for Logistics Company

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Software Update for Online Consulting Service

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Back Office Support for Photo Organization Platform

Average Project Cost Breakdown

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Customer Umbrella is very responsive

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