8 Oct 2026 · TrustList Editorial
US suspends eight IT and software firms from PERM green card filings
Cognizant, Infosys, Tata, Wipro, HCL and Capgemini are named as outsourcers; Microsoft and Adobe are cited for active federal…
20 BPO service companies ranked by rating, review volume and listing quality.
Between them, the 20 BPO service companies on this page cover outsourcing (10), security (7), customer service (6) and call center (5). They also list work in Reading and Dublin. 20 of them have written a profile you can read before you get in touch.

Medical Billing · Outsourcing · Medical
24x7 Medical Billing Services, now presented on its site as 247 Medical Billing Services, is a revenue cycle management company for United States healthcare providers.

Outbound Call Center · Inbound Call Center · Call Center · Also in India
Bestcallcenter.in is the web name of KAP Call Center Pvt. Ltd., a call centre company in Bangalore, India.

Live Chat · Outsourcing · Security · Also in Reading
callOcare is a call centre outsourcing company operating call centres in Sri Lanka.

Customer Service · Call Center · Customer Support · Also in Manila
Customer Support Philippines is an outsourcing company that runs customer service and technical support for other businesses around the clock.

Financial Services · Live Chat · Business Services · Also in Wales and Reading
Cymphony handles customer contact on behalf of other businesses, answering phone calls, web chats and social media messages.

Hospitality & Leisure · Financial Services · Business Services · Also in India
Data Entry India BPO handles offshore back-office work in India, with data entry at the centre of its business.
Medical · Administration
Outsourced medical billing administration for specialist doctors in Australia, covering Medicare, health funds and Workcover
Customer Service · Outsourcing · Scheduling · Also in India
Ensomerge Services Private Limited is an Indian business process outsourcing company.

Outbound Call Center · Customer Service · Call Center · Also in Alberta
ExpertCallers is a business process outsourcing company running customer support, outreach and back-office work for other firms.
Medical Billing · Medical · front
A medical billing company handling coding, insurance verification, claims follow-up and front desk support for healthcare practices

Outbound Call Center · Inbound Call Center · Hospitality & Leisure · Also in Ahmedabad
Go4Customer operates call centres in India and describes further centres serving the UK and the USA.

Lead Generation · DataBase · front
GSA Business Development is a telemarketing and lead generation company serving businesses in the United Kingdom and abroad.
Call Center · Outsourcing · Cloud · Also in Doha and Dubai
IBT is an outsourcing company that runs customer contact centres, IT support and back-office processes for other businesses.

Outsourcing · Security · CRM
ICCS is an Indian business process outsourcing provider that runs customer support and back-office work for clients in several industries.

Security · Cloud · Also in Ilford
Ilford Business Centre, known as IBC, is a workspace provider in Ilford, east London.
Customer Service · DataBase · Administration · Also in Dublin
Kendlebell Ireland is the Irish arm of the Kendlebell customer contact business, also known on its site as Kendlebell Kimmage. It answers calls on behalf of client companies.

Customer Service · DataBase · Administration · Also in Dublin
Kendlebell Kimmage is a customer contact provider serving small and medium sized businesses in Ireland.
Customer Support · Security · Cloud · Also in India
Cloud calling, messaging and video platform that helps businesses manage customer conversations through one virtual number
Lead Generation
Lead Generation Marketing Services, also called LGMS, is a marketing company that majors in web design, search engine optimisation and marketing.
For vendors
The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.
Not on TrustList yet? Add your company or claim its listing, free.
Free
Paid · always labelled
Every other way we rank bpo service companies, by what they do and where they are.
The newest guides and analysis from TrustList Insights.
8 Oct 2026 · TrustList Editorial
Cognizant, Infosys, Tata, Wipro, HCL and Capgemini are named as outsourcers; Microsoft and Adobe are cited for active federal…
8 Oct 2026 · TrustList Editorial
No rate changes at the 57th meeting. Engineering and R&D exporters get a proposed fix for services done on customers' goods, and small…
8 Oct 2026 · TrustList Editorial
Augment Code is selling select assets rather than the whole company, and Harness says customers can keep their preferred coding tools. No…
Jump to another ranked category.
Everything here links back to the same verified catalogue. Pick your next stop.