Top Back Office Outsourcing Companies in Sofia

Ratings Updated: June 25, 2025

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17 Companies

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6 Leaders 11 Contenders

17 Companies

Country: Bulgaria

City: Sofia

Services: Back Office Outsourcing

List of the Top Sofia Back Office Outsourcing Service Providers

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What are Featured Providers?

Simply Contact

4.8 26 reviews
Premier Verified

$1,000+

< $25 / hr

250 - 999

Serves Sofia, Bulgaria

Services provided

10% Back Office Outsourcing

60% Customer Service Outsourcing

30% Call Center Services

Simply Contact is a Business Process Outsourcing company specializing in back office services and remote office support. Their reviews highlight a consistent theme of high-quality customer service and operational efficiency, with clients noting a 30% improvement in response times and a 25% boost in efficiency. 100% of reviewers praised Simply Contact for their seamless integration and commitment to quality.

See all 26 projects

3 of 3 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

Customer Service & Back Office Outsourcing for FinTech Co

5.0 — Simply Contact provided customer service and back office support for a fintech company. The team offered multilingual support and implemented a chatbot for chat, phone, and email customer support. Read more

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Average Project Cost Breakdown

$10,000 to $49,000 (9)

$50,000 to $199,999 (7)

Less than $10,000 (4)

$1,000,000 to $9,999,999 (4)

$200,000 to $999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Simply Contact is generally perceived as offering good value for money, with multiple clients highlighting their competitive pricing relative to the quality of service provided. For instance, one client noted they selected Simply Contact due to 'good value for cost,' while another emphasized that their pricing fit within budget constraints. However, some feedback indicated room for improvement in their pricing strategy. Overall, clients express satisfaction with the balance between cost and service quality, citing effective support and responsiveness.

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More responsive than most other service providers

Simply Contact is responsive

They are a great candidate to start a conversation with. Send them a short message or project inquiry.

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Israel (1)

Italy (1)

Latvia (1)

Philippines (1)

Ukraine (8)

United States (7)

England (4)

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Satellite Office

4.5 1 review
Verified

Undisclosed

Undisclosed

1,000 - 9,999

Serves Sofia, Bulgaria

Services provided

40% Back Office Outsourcing

20% Finance & Accounting Outsourcing (FAO)

20% HR Outsourcing +2 services

10% Customer Service Outsourcing

10% IT Staff Augmentation

Satellite Office is a Business Process Outsourcing (BPO) firm specializing in Offshore Administrative Services and Remote Office Support. Their services are highly praised, with over 90% of feedback emphasizing their exceptional recruitment, HR management, and clear communication. They are noted for transparency and cost efficiency, becoming a valued partner in clients' operations.

See all 1 projects

0 of 1 Back Office Outsourcing reviews are 5 stars

1 new review for Back Office Outsourcing in past 6 months

$1,000,000 – $9,999,999 avg. project cost

Back Office Outsourcing PROJECT HIGHLIGHT

Back Office Outsourcing for AdTech Company

4.5 — Satellite Office provides offshore recruiting and HR management services for an adtech company. The team is in charge of recruiting, training, onboarding, and continuously managing staff members for Read more

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Average Project Cost Breakdown

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

Less than $10,000 (0)

$10,000 to $49,000 (0)

$50,000 to $199,999 (0)

$200,000 to $999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients have praised Satellite Office for their transparency regarding costs and the overall value they provide. One client noted a significant reduction in overheads, allowing for better resource allocation and efficiency, stating they have spent approximately $500,000 annually since 2018. The partnership has been characterized by effective communication and a commitment to client needs, with one client emphasizing that Satellite Office has become a true partner rather than just a service provider.

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More responsive than most other service providers

Satellite Office 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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TECHSPEED INC

4.9 13 reviews
Premier Verified

$1,000+

< $25 / hr

50 - 249

Serves Sofia, 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 company specializing in data entry, transcription, lead generation, and business process outsourcing services. The reviews highlight their adaptability, efficiency, and excellent customer service, with a notable emphasis on their quick response times and error-free project execution. Approximately 100% of reviewers praised their reliability and communicative approach, while only a small percentage noted minor areas for improvement, such as record-keeping. Their consistent performance makes them a trusted partner in diverse industries.

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Reviews mention Establish clear expectations

Clients have expressed positive sentiments regarding TechSpeed Inc's ability to establish clear expectations. One client highlighted the company's effectiveness in translating verbal discussions into actionable items, ensuring alignment throughout the project. Additionally, feedback noted the rapid communication and responsiveness of TechSpeed, which contributed to a smooth workflow. Overall, clients felt that TechSpeed's structured approach significantly enhanced the clarity and success of their deliverables.

Data Mining to Assess Global Pain Landscape

5.0 Feb 6, 2019

TechSpeed LLC has a remarkable ability to translate verbal discussions into targeted action items. The team’s full and established process served as the guidelines for the final deliverable.

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Average Project Cost Breakdown

Less than $10,000 (5)

$10,000 to $49,000 (5)

$50,000 to $199,999 (0)

$200,000 to $999,999 (0)

$1,000,000 to $9,999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients consistently highlight TECHSPEED INC's competitive pricing and exceptional value for money across various projects. For instance, one client noted that their investment of $25,000–$50,000 yielded significant operational improvements, while another praised their ability to deliver high-quality results at a reasonable cost. Overall, feedback reflects a strong sentiment of satisfaction regarding the company's cost-effectiveness and the quality of service provided, with many clients stating they would recommend TECHSPEED INC for its outstanding support and responsiveness.

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Canada (1)

United States (11)

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MarKam Solutions

5.0 5 reviews

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Premier Verified

$1,000+

< $25 / hr

50 - 249

Sofia, Bulgaria

Services provided

10% Back Office Outsourcing

50% Call Center Services

20% Customer Service Outsourcing +1 service

20% Sales Outsourcing

MarKam Solutions is a professional outsourcing provider specializing in sales, operations, and customer service. Their offerings consistently result in measurable improvements, such as cost reductions and increased customer satisfaction. With unanimous positive feedback, 100% of reviewers praised MarKam's industry expertise, quick adaptability, and efficiency, highlighting their ability to exceed expectations and deliver on time.

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Reviews mention Exceeds expectations

MarKam Solutions has consistently exceeded client expectations, particularly noted by the COO of AES Shipping, who praised their timely task completion and impressive results, including an 11% increase in sales and a customer satisfaction score of 85. The client highlighted the company's attention to detail and excellent communication, as well as their effective implementation of industry-leading strategies. Overall, the feedback reflects a strong sentiment of satisfaction and appreciation for MarKam Solutions' performance.

Sales & Customer Service Outsourcing for Transportation Co

5.0 Sep 9, 2024

Honestly, as I write this our experience has exceeded our expectations. Every deliverable was met on a timely and professional manner. Ability to apply industry leading strategies for continuous improvement, coupled with the latest technology implementation.

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Call Center Services for Auto Transport Broker

5.0 Mar 19, 2025

MarKam Solutions have exceeded all expectations in regards to speed and quality of delivery. They have also been incredibly decisive when things aren't working. Their extensive knowledge of this industry and not only the quality of the folks they have brought to our sales and dispatch teams but also the insights they bring to our team.

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Customer Services & Sales Staffing for Auto Transport Co

5.0 Mar 19, 2025

They are extremely prompt and have exceeded our expectations in many areas. Their ability to learn quickly and scale combined with leveraging their outside experience is impressive.

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Average Project Cost Breakdown

$50,000 to $199,999 (2)

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

What Clients Have Said

Clients consistently commend MarKam Solutions for their excellent value for money, highlighting that their pricing fits within budget while delivering significant results. For instance, one client noted a 35% reduction in labor costs and a 15% increase in sales conversion rates, attributing these outcomes to effective collaboration and cost-effective solutions. Overall, the sentiment is overwhelmingly positive, with clients emphasizing satisfaction with both the costs incurred and the value received from the services provided.

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2 of 2 reviews are 5 stars

Unknown avg. project cost

Reviewed 2 times in the past 6 months

In the last six months, clients have praised MarKam Solutions for their exceptional responsiveness and ability to exceed expectations in project delivery. One client highlighted their success in driving sales and revenue growth while maintaining a strong culture fit. Another noted their effective staffing solutions that matched or surpassed sales goals at a lower cost. Overall, feedback indicates high satisfaction with their industry knowledge and commitment to client success, with no significant areas for improvement identified.

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More responsive than most other service providers

MarKam Solutions 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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Mercatus

4.8 21 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 customer support firm that excels in providing scalable and flexible solutions for businesses across various industries. Their services are characterized by professionalism, responsiveness, and result-oriented project management. The majority of reviews (approximately 85%) praise their strong communication skills, timely delivery, and effective lead generation strategies. However, a few clients (around 15%) noted areas for improvement, particularly in industry-specific targeting and LinkedIn campaign execution.

See all 21 projects
Reviews mention Well-executed projects

Mercatus received positive feedback for their well-executed projects, particularly in the implementation of a LinkedIn marketing campaign for ÖHMI Bulgaria. Clients highlighted Mercatus's ability to understand their requirements, adapt strategies to corporate culture, and deliver high-quality service. The account manager's responsiveness and organization were noted as key factors in the project's success. Overall, the collaboration exceeded expectations, with clients expressing eagerness to engage in future projects due to the positive experience.

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. Very well organized and result oriented she contributed at greatest extend to the success of our project. 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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Average Project Cost Breakdown

Less than $10,000 (11)

$10,000 to $49,000 (5)

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

What Clients Have Said

Clients generally perceive Mercatus to offer good value for money, with multiple reviews highlighting their competitive pricing and effective results. For instance, one client noted that the investment was repaid in less than a year, while another emphasized that their pricing fit within budget and delivered high-quality leads. However, some feedback suggested potential for lower pricing, indicating a balanced view of cost versus value delivered.

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2 of 2 reviews are 5 stars

$10,000 – $49,000 avg. project cost

Reviewed 2 times in the past 6 months

Recent reviews for Mercatus highlight their effective project management and strong communication skills. Clients noted that Mercatus consistently met appointment-setting and lead generation goals, with one CEO praising their adaptability and reliability. A Marketing Specialist emphasized their swift responses and understanding of client needs. Overall, sentiment is highly positive, with no significant areas for improvement mentioned, reflecting a strong alignment with client expectations and successful delivery of services.

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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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Featured

What are Featured Providers?
Growth Hub

4.9 14 reviews
Premier Verified

Undisclosed

< $25 / hr

50 - 249

Serves Sofia, Bulgaria

Services provided

60% Back Office Outsourcing

25% AI Development

15% Data Annotation Services

Growth Hub is a Business Process Outsourcing (BPO) company specializing in Remote Back Office Solutions and Administrative Support Services. Across their reviews, they are consistently praised for their efficiency, accuracy, and quick turnaround, with 100% positive feedback. Clients highlight their ability to streamline processes and enhance data management, demonstrating a strong alignment with company values and delivering excellent value for the cost.

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Reviews mention Efficient

The overall sentiment regarding Growth Hub's efficiency is highly positive, with clients highlighting their quick response times and effective project management. One client noted, 'The team were super quick and efficient, even with a short turnaround.' Another remarked on their impressive accuracy and capability, stating, 'Growth Hub has proven to be very efficient, accurate, and capable.' Such feedback underscores Growth Hub's commitment to delivering timely and effective solutions.

Database Development for Professional Adviser Marketplace

5.0 Aug 8, 2024

The team were super quick and efficient, even with a short turn around. The team were friendly and ready to help with all our needs.

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Customer Service Outsourcing for Hospitality & Leisure Co

5.0 Aug 15, 2023

Yes - Donne is incredibly proactive, helpful and efficient. The attention to detail and care provided for a successful outcome for all parties are impressive.

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BPO and Data Entry for Global Investment Bank

5.0 Aug 15, 2023

Growth Hub has proven to be very efficient, accurate, and capable. Their work has been impressive and has exceeded our expectations throughout our engagement.

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4 of 4 Back Office Outsourcing reviews are 5 stars

2 new reviews for Back Office Outsourcing in past 6 months

$10,000 – $49,000 avg. project cost

Back Office Outsourcing PROJECT HIGHLIGHT

Back Office Outsourcing & Task Automation for Finance Firm

5.0 — Growth Hub helped integrate a finance firm's CRM with the Pitchbook platform in order to identify 15,000 companies. The team also built proprietary applications that automated the client's Read more

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Average Project Cost Breakdown

Less than $10,000 (5)

$10,000 to $49,000 (5)

$50,000 to $199,999 (3)

$200,000 to $999,999 (0)

$1,000,000 to $9,999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients consistently praise Growth Hub for providing excellent value for money, noting that their pricing aligns well with budgets while delivering high-quality results. For instance, the Vice President of Portage Point Partners highlighted that Growth Hub offered 'good value for cost' and effectively automated processes, saving substantial internal hours. Similarly, the CEO of Pollen VC emphasized that Growth Hub exceeded expectations, making them a trusted advisor at a reasonable investment. Overall, the sentiment regarding cost and value is overwhelmingly positive.

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Singapore (1)

United States (3)

England (7)

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Big Outsource

5.0 30 reviews
Premier Verified

$10,000+

< $25 / hr

250 - 999

Serves Sofia, Bulgaria

Services provided

30% Back Office Outsourcing

40% Call Center Services

30% Customer Service Outsourcing

Big Outsource is a Business Process Outsourcing company specializing in offshore back office and administrative support services. With an impressive 100% positive feedback rate, clients consistently praise their professionalism, responsiveness, and ability to integrate seamlessly into existing workflows. Approximately 30% of reviewers specifically commend their tailored approach and commitment to understanding unique business needs, leading to improved operational efficiency and customer satisfaction.

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13 of 13 Back Office Outsourcing reviews are 5 stars

3 new reviews for Back Office Outsourcing in past 6 months

$50,000 – $199,999 avg. project cost

Back Office Outsourcing PROJECT HIGHLIGHT

Business Services for Mergers & Acquisitions Company

5.0 — Big Outsource was hired by a mergers and acquisitions company to support their database project. The team has provided a data manager to conduct data research and provide useful insights for the Read more

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5 of 5 reviews are 5 stars

3 new reviews for Back Office Outsourcing services

$50,000 – $199,999 avg. project cost

Reviewed 5 times in the past 6 months

In the past six months, client feedback for Big Outsource has been overwhelmingly positive, highlighting their responsiveness and professionalism. Notably, clients reported significant improvements in operational efficiency, such as a reduction in customer inquiry response times from 18 hours to under 3 hours and a 40% decrease in appointment scheduling turnaround. Clients appreciated the tailored approach and the seamless integration of assistants into their teams. Suggestions for improvement included expanding creative support and enhancing onboarding processes.

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More responsive than most other service providers

Big Outsource is responsive

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Australia (1)

Canada (1)

United States (15)

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Hugo Inc.

5.0 26 reviews
Premier Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves Sofia, Bulgaria

Services provided

20% Back Office Outsourcing

40% Customer Service Outsourcing

20% Call Center Services +2 services

10% Content Moderation Services

10% Data Annotation Services

Hugo Inc. | Top CX Provider is a premier business process outsourcing company specializing in remote back office solutions and administrative support services. With 100% of reviews highlighting their efficiency, adaptability, and exceptional project management, Hugo has consistently improved back-office efficiency and compliance standards, achieving a 99.8% accuracy in order processing and reducing supplier onboarding time by 40%.

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Reviews mention Well-executed projects

Hugo has received overwhelmingly positive feedback regarding their execution of projects. Clients highlighted their commitment to on-time deliveries and exceptional customer support, noting how Hugo's responsiveness and adaptability significantly improved satisfaction levels. One client praised their multilingual support and the development of a comprehensive FAQ page, which enhanced customer relationships. Overall, clients emphasized Hugo's seamless integration with their company culture, professionalism, and ability to exceed expectations, making them a reliable partner for project success.

Customer Service Outsourcing for Gaming Company

5.0 Aug 22, 2023

I'm thrilled to express my outstanding journey partnering with Hugo, our reliable outsourcing ally. Hugo's unwavering commitment to on-time deliveries has been nothing short of impressive. Their seamless adjustment to our needs ensured that each delivery was prompt and devoid of any hassles.

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Multilingual Customer Support for Beverage Company

5.0 Aug 22, 2023

Their commitment to delivering items on time has been truly remarkable. Hugo seamlessly adapted to our needs, ensuring every delivery was punctual and hassle-free. It's been a pleasure collaborating with a team that not only met our expectations but consistently exceeded them.

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1 of 2 Back Office Outsourcing reviews are 5 stars

$50,000 – $199,999 avg. project cost

Back Office Outsourcing PROJECT HIGHLIGHT

Back Office Outsourcing for E-Commerce Co

5.0 — Hugo provides back-office outsourcing for an e-commerce company. The team has handled the client's back-office tasks, managed communications and relationships with retailers' networks, and vetted Read more

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Average Project Cost Breakdown

$50,000 to $199,999 (7)

$200,000 to $999,999 (6)

$10,000 to $49,000 (2)

What Clients Have Said

Clients consistently commend the company for its exceptional value for money, highlighting that Hugo offers high-quality services at competitive rates. One client noted, 'Good value for cost,' while another emphasized their 'ability to scale services without compromising quality.' Many reviews reflect satisfaction with cost reductions and enhanced operational efficiency, with one client praising an '80% improvement in efficiency' compared to in-house hiring. Overall, the sentiment is overwhelmingly positive, indicating that clients perceive Hugo as a cost-effective partner.

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1 of 1 reviews is 5 stars

$200,000 – $999,999 avg. project cost

Reviewed 1 time in the past 6 months

In recent reviews, clients have praised Hugo Inc. for their efficiency and adaptability, noting a significant reduction in partner integration time from three weeks to one. The implementation of a global CX team has improved customer satisfaction, as evidenced by an increase in Net Promoter Score from 52 to 78 and a 17% decrease in churn. Clients appreciate Hugo's proactive approach and seamless communication, highlighting their ability to address complex challenges effectively.

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Pontica Solutions

4.7 3 reviews

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.

See all 3 projects

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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Average Project Cost Breakdown

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

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

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

Less than $10,000 (0)

$50,000 to $199,999 (0)

$10,000,000 + (0)

What Clients Have Said

Pontica Solutions is frequently praised for its cost-effectiveness and overall value. Clients noted that Pontica's pricing aligns well with their budgets, describing it as 'good value for cost.' One review highlighted a 30% reduction in overall costs after outsourcing to Pontica, indicating significant financial benefits. Overall, the sentiment reflects satisfaction with the pricing structure and the quality of service provided, reinforcing the company's reputation as a competitive player in the market.

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France (2)

Switzerland (1)

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TELUS International

5.0 1 review

$1,000+

< $25 / hr

10,000+

Sofia, Bulgaria

Services provided

25% Back Office Outsourcing

50% Call Center Services

25% Customer Service Outsourcing

TELUS International is a leading electronic medical record provider in Canada, specializing in developing comprehensive healthcare billing solutions. Reviews highlight their robust, secure systems and effective project management, with 85%–90% of bills automatically adjudicated, resulting in improved turnaround times. While praised for scalability and security, clients suggest adopting agile methods for enhanced flexibility.

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Average Project Cost Breakdown

$10,000,000 + (1)

Less than $10,000 (0)

$10,000 to $49,000 (0)

$50,000 to $199,999 (0)

$200,000 to $999,999 (0)

$1,000,000 to $9,999,999 (0)

What Clients Have Said

Clients generally express satisfaction with TELUS International's cost and value for money, noting significant benefits from their solutions. One client reported an investment of $30 million initially, with ongoing annual costs of $8 million to $10 million, highlighting the substantial ROI through improved payment processing times. Feedback indicates that the functionalities provided justify the investment, though some suggest a need for more agile methodologies to enhance responsiveness to industry changes.

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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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Average Project Cost Breakdown

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

Less than $10,000 (0)

$10,000 to $49,000 (0)

$50,000 to $199,999 (0)

$1,000,000 to $9,999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients have expressed that CXG Business Process Outsourcing offers competitive pricing, particularly when compared to IT-focused service providers, highlighting their specialization in BPO. One VP noted the efficient ramp-up of resources and the ability to quickly fill roles, which adds significant value to their operations. Overall, the sentiment reflects satisfaction with the cost-effectiveness and quality of service provided by CXG.

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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 Proactive

Clients have consistently praised InfoSource Bulgaria Ltd for their proactive approach to project management. One client highlighted their responsiveness, stating that the team was 'always very responsive, timely and pro-active.' Additionally, they appreciated the ongoing support in identifying market changes. Overall, the sentiment reflects a strong satisfaction with the company's ability to anticipate needs and deliver quality service efficiently.

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. We have always been very happy to work with Infosource for different reasons: They focus on customer happiness, high quality for a fair price, very responsive, easygoing and great to work with.

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Average Project Cost Breakdown

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

Less than $10,000 (0)

$10,000 to $49,000 (0)

$200,000 to $999,999 (0)

$1,000,000 to $9,999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients of InfoSource Bulgaria Ltd consistently highlight the company's cost-effectiveness and value for money. One client noted that their pricing fit within budget and provided good value for the cost, while another emphasized their remarkable cost-effectiveness and precision in data accuracy. Overall sentiment reflects satisfaction with the pricing structure and the quality of service delivered, with no significant areas for improvement identified regarding value.

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Netherlands (1)

United States (1)

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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.

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Reviews mention Unique expertise

Clients highlight MENA Software's unique expertise in blockchain development, noting their outstanding competence in the field. One client emphasized that MENA executed their project perfectly and delivered the product according to specifications. Overall sentiment indicates strong satisfaction with their specialized knowledge and effective collaboration, despite minor workflow issues.

Blockchain Development Consulting for Crypto Media Firm

4.5 Dec 12, 2018

The competence in their chosen field was outstanding. They executed perfectly and delivered the product according to our specifications.

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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)

$200,000 to $999,999 (0)

$1,000,000 to $9,999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients frequently commend MENA Software for their cost-effectiveness and value for money. One client noted their project was managed efficiently and described their services as 'cost-effective.' Another client emphasized that MENA Software offered 'great prices' while delivering excellent service. Overall, the sentiment reflects satisfaction with the pricing relative to the quality of work delivered, as seen in the feedback about their 'affordable' rates and the successful outcomes achieved.

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Bulgaria (2)

United Arab Emirates (1)

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Featured

What are Featured Providers?
Cloud Accountant Staffing

4.9 14 reviews
Premier Verified

Undisclosed

Undisclosed

250 - 999

Serves Sofia, Bulgaria

Services provided

20% Back Office Outsourcing

40% Finance & Accounting Outsourcing (FAO)

15% Recruitment Process Outsourcing +2 services

15% Staffing

10% Accounting

Cloud Accountant Staffing specializes in providing staffing solutions for accounting and bookkeeping roles, with a strong focus on cultural alignment and cost-effective measures. Across their reviews, 100% of clients praised their responsiveness and ability to deliver qualified candidates on time, while 87% highlighted their impressive project management and communication skills. The company is noted for its smooth onboarding processes and reliable, skilled staff placements.

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Reviews mention Professional

Clients have consistently praised Cloud Accountant Staffing for their professionalism, noting timely delivery and exceptional work quality. One client highlighted, "they're very timely and professional," while another emphasized the alignment of company values and the great culture fit. Overall, the sentiment reflects a high level of satisfaction with their professional approach and responsiveness, indicating a strong fit for projects requiring reliable and efficient bookkeeping services.

Bookkeeping & Reconciliation Services for CPA Firm

5.0 Jan 23, 2025

Yes, they're very timely and professional. They deliver items on time and respond promptly to our needs.

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Average Project Cost Breakdown

$10,000 to $49,000 (8)

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

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

What Clients Have Said

Clients consistently highlight Cloud Accountant Staffing's excellent value for money, citing 'pricing fit our budget' and 'good value for cost' as key reasons for selection. Reviewers noted their efficient staffing process and responsiveness, indicating that the services provided meet or exceed expectations without straining financial resources. One client remarked on the 'quality candidates' and 'great culture fit,' emphasizing the balance of affordability and quality in their offerings.

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13 of 14 reviews are 5 stars

$10,000 – $49,000 avg. project cost

Reviewed 14 times in the past 6 months

In the last six months, Cloud Accountant Staffing has received overwhelmingly positive feedback from clients, highlighting their effective communication, responsiveness, and quality of candidates. Clients noted successful hires and smooth onboarding processes, with one stating, "They deliver what's been promised," and another praising their "passion for people" and commitment to client success. Areas for improvement were minimal, with the majority of clients expressing satisfaction with their services.

Read 14 Recent Reviews

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Melbourne, Florida (1)

Austin, Texas (1)

San Antonio, Texas (1)

Indianapolis, Indiana (1)

Fort Wayne, Indiana (1)

Kalamazoo, Michigan (1)

New York City, New York (1)

Tustin, California (1)

Farmington, Utah (1)

Tempe, Arizona (1)

Seattle, Washington (2)

Spokane Valley, Washington (1)

Reading, Pennsylvania (1)

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Smiles On Demand

Not yet reviewed
Verified

Undisclosed

< $25 / hr

1,000 - 9,999

Serves Sofia, Bulgaria

Services provided

30% Back Office Outsourcing

50% Customer Service Outsourcing

10% Content Moderation Services +1 service

10% Data Annotation Services

Our cost effective, customizable, and flexible outsourcing solutions quickly optimize your business operations. With the support of a dedicated customer service or back-office team you can
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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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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.
Read more

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AppGreat

Not yet reviewed

$5,000+

$25 - $49 / hr

50 - 249

Sofia, 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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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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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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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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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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Build My Project Brief

Why Trust Clutch

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.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

In-depth client interviews and ratings
Comprehensive project details
Market presence
Portfolio examples and industry recognition

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.

Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.

We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.

Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.

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 TELUS International

3 MarKam Solutions

4 CXG Business Process Outsourcing

5 InfoSource Bulgaria Ltd

6 MENA Software

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. 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 6 Sofia 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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TELUS International

$1,000+

< $25 / hr

10,000+

Sofia, Bulgaria

Ability to deliver

27.3/40.0

16.2/20 Reviews

1.6/10 Clients & Experience

9.5/10 Market Presence

Service focus

25% Back Office Outsourcing

75% Other

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MarKam Solutions

$1,000+

< $25 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

32.5/40.0

18/20 Reviews

10/10 Clients & Experience

4.5/10 Market Presence

Service focus

10% Back Office Outsourcing

90% Other

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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

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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
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

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ProcessFlows

$1,000+

< $25 / hr

50 - 249

София, Bulgaria

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

View Profile Visit Website
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
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
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
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
Mercatus

$5,000+

< $25 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

10% Back Office Outsourcing

90% Other

View Profile Visit Website
Karma Consult

Undisclosed

Undisclosed

2 - 9

Sofia, Bulgaria

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

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Top Back Office Outsourcing Companies in Sofia

List of the Top Sofia Back Office Outsourcing Service Providers

Customer Service & Back Office Outsourcing for FinTech Co

Average Project Cost Breakdown

What Clients Have Said

Simply Contact is responsive

Back Office Outsourcing for AdTech Company

Average Project Cost Breakdown

What Clients Have Said

Satellite Office is very responsive

Reviews mention Establish clear expectations

Data Mining to Assess Global Pain Landscape

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Exceeds expectations

Sales & Customer Service Outsourcing for Transportation Co

Call Center Services for Auto Transport Broker

Customer Services & Sales Staffing for Auto Transport Co

Average Project Cost Breakdown

What Clients Have Said

Reviewed 2 times in the past 6 months

MarKam Solutions is very responsive

Reviews mention Well-executed projects

LinkedIn Marketing for Consultancy Company

Average Project Cost Breakdown

What Clients Have Said

Reviewed 2 times in the past 6 months

Mercatus is very responsive

Reviews mention Efficient

Database Development for Professional Adviser Marketplace

Customer Service Outsourcing for Hospitality & Leisure Co

BPO and Data Entry for Global Investment Bank

Back Office Outsourcing & Task Automation for Finance Firm

Average Project Cost Breakdown

What Clients Have Said

Business Services for Mergers & Acquisitions Company

Reviewed 5 times in the past 6 months

Big Outsource is responsive

Reviews mention Well-executed projects

Customer Service Outsourcing for Gaming Company

Multilingual Customer Support for Beverage Company

Back Office Outsourcing for E-Commerce Co

Average Project Cost Breakdown

What Clients Have Said

Reviewed 1 time in the past 6 months

Call Center Services for Transportation Company

Average Project Cost Breakdown

What Clients Have Said

Average Project Cost Breakdown

What Clients Have Said

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Proactive

Financial Services for Financial & Economic Media Company

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Unique expertise

Blockchain Development Consulting for Crypto Media Firm

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Professional

Bookkeeping & Reconciliation Services for CPA Firm

Average Project Cost Breakdown

What Clients Have Said

Reviewed 14 times in the past 6 months

Get closer to kicking off your next project today

Why Trust Clutch

List of the Top 6 Sofia Back Office Outsourcing Service Providers

Latest BPO Back Office Articles

Top 10 Asian American Pacific Islander B2B Sales & Growth Influencers to Follow in 2025

Why More Law Firms Are Leveraging BPOs

From Vendor to Partner: Carole Mahoney on Co-Creation Growth

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