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Top BPO Service Companies for CSS

15 BPO service companies ranked by rating, review volume and listing quality.

Between them, the 15 BPO service companies on this page cover IT services (13), iOS app (13), web development (12) and web design (12). They also list work in United Kingdom. 15 of them have written a profile you can read before you get in touch.

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Sitel
IT Services · iOS App · Web Development · Also in United States of America
Sitel is a customer experience management group that handles customer contact for other companies.
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Paragon Customer Communications
IT Services · iOS App · Web Development · Also in United Kingdom
Paragon Customer Communications provides end-to-end customer communications services, reaching clients' customers across every channel.
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The DDC Group
IT Services · iOS App · Web Development · Also in United Kingdom
Business process outsourcing and AI-enabled operations provider for logistics, energy, retail, banking, insurance and healthcare
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Parseq
IT Services · iOS App · Web Development · Also in United Kingdom
UK business process outsourcing firm handling documents, finance, payroll and payments for large organisations and growing companies
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ESG Global
IT Services · iOS App · Web Development · Also in United Kingdom
ESG Global is an outsourcing company that runs offshore teams for clients through a UK management layer.
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FMP Global
IT Services · iOS App · Web Development · Also in United Kingdom
FMP Global provides outsourced payroll and HR services to employers in the UK and abroad.
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Liberata
IT Services · iOS App · Web Design · Also in United Kingdom
Liberata is a UK business process services company that runs finance, payroll, customer contact and debt recovery work on behalf of organisations. It was established in 1975.
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WNS Global Services
IT Services · iOS App · Web Development · Also in India
WNS Global Services is a business process management company. It combines industry knowledge with technology and analytics to run and change business operations for clients…
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Sutherland
IT Services · iOS App · Web Development · Also in United States of America
Digital transformation company redesigning and automating business processes using AI, analytics and operations services
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Infinity
IT Services · iOS App · Web Development · Also in United Kingdom
Infinity is a business process outsourcing firm that handles sales and customer work for its clients.
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FIS
IT Services · iOS App · Web Development · Also in United States of America
FIS, formally Fidelity Information Services, makes the software and infrastructure that banks, payment firms and investment managers run on.
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ICT Watchers
IT Services · iOS App · Web Development · Also in Italy
ICT Watchers is a business process outsourcing company. The information available lists a short set of services that a business can hand over to an outside team instead of running…
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DIG GmbH
IT Services · iOS App · Web Development · Also in Austria
DIG GmbH supplies digital spend management software for purchasing, finance and supply chain teams.
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Cardea
CMS · Also in Tamil Nadu and Karnataka
Cardea, run as Cardea Healthcare Solutions, is a healthcare training and consulting centre based in Bengaluru.
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Confluence
Also in Egypt
Confluence, trading as Confluence Technologies, supplies software and services for regulatory reporting, portfolio analytics and investor communications in the investment…
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27 Oct 2026 · TrustList Editorial

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27 Oct 2026 · TrustList Editorial

vsomeip flaw lets one 16-byte message crash car middleware

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27 Oct 2026 · TrustList Editorial

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