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Compare OptimumSource vs ScalableOS

Side-by-side comparison of features, pricing, services, ratings and more.

OptimumSource Agency logo

OptimumSource

BPO & Outsourced Support Website

OptimumSource is a business process outsourcing provider with over 26 years of experience in accounting, IT development, research, analytics, telesales, and HR management. The agency builds scalable teams for global organizations and offers BPO, KPO, and ITO services.

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Winner
ScalableOS Agency logo

ScalableOS

BPO & Outsourced Support Website

ScalableOS is a premium offshore staffing partner offering custom solutions for MSPs and Tax & Accounting firms. The agency provides dedicated staff based in the Philippines, fully integrated into client operations and under client management. Founded in 2020, the team operates as an extension of the client's business.

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Feature Comparison

Attribute OptimumSource ScalableOS
Category BPO & Outsourced Support BPO & Outsourced Support
Rating -
Winner +3.3 higher
Location Pasig, Philippines Makati, Philippines
Services
  • BPO
  • KPO
  • ITO
  • Accounting
  • IT development
  • Research
  • Analytics
  • Telesales
  • HR management
  • Accounting Expertise
  • HR Outsourcing Expertise
  • Phone Answering Services Expertise
  • BPO
  • KPO
  • ITO
  • Accounting
  • IT development
  • Research
  • Analytics
  • Telesales
  • HR management
  • Accounting Expertise
  • HR Outsourcing Expertise
  • Phone Answering Services Expertise
Industries
-
Corporate Services Design Software & IT Services HR Finance
Pros
  • Over 26 years of BPO expertise since 1998
  • Builds scalable teams that exceed performance metrics
-
Cons -
  • Some Google reviewers reported unsolicited calls and lack of response.
Website Visit Site Visit Site

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