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Top Call Center Companies for Administration

7 call center companies ranked by rating, review volume and listing quality.

Between them, the 7 call center companies on this page cover customer service (3), outsourcing (3), financial services (2) and legal (2). 7 of them have written a profile you can read before you get in touch.

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Boomerang Marketing Solutions
Customer Service · Financial Services · Outsourcing · Also in Cape Town and Africa
Boomerang Marketing Solutions is a business process outsourcing company based in South Africa, which trades as Boomerang SA and Boomerang BPO.
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BPO Bulgaria
Outsourcing · Legal · Also in Plovdiv
BPO Bulgaria supplies accounting, tax and legal consultancy to businesses that operate under Bulgarian law.
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DAS Hawaii
Medical · Also in Hawaii
Doctors Answering Service, LLC (DAS Hawaii) is a 24/7 Urgent Call Center founded by Dovelyn Duarte in July 2015 DAS Hawaii provides after hours urgent calls for a wide variety of…
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Gerber National Claim Services
Gerber National Claim Services
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Global Enterprise Networks
Financial Services · Outsourcing · Cloud · Also in Nottingham
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Kendlebell County Dublin
Customer Service · DataBase · Also in Dublin
Many organisations recognise that their most valuable asset today are their customers and clients
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LeadDesk
Customer Service · Cloud · Also in Sudan
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Artificial Intelligence - AI

6 Oct 2026 · TrustList Editorial

Island raises $400M to govern AI agents from its enterprise browser

The Series F, led by Evolution Equity Partners at a $6.4B valuation, pays for an "agentic control plane" that has no release date yet.

Artificial Intelligence - AI

6 Oct 2026 · TrustList Editorial

Harvey raises $550M, lifting its valuation to $15.5B from $11B

Diffusion and Lightspeed co-led the legal AI vendor's second round of 2026. Harvey says 80% of Am Law 100 firms use its tools; that figure…

Singapore

6 Oct 2026 · TrustList Editorial

OneByZero raises $20m to run AI agents inside Asian enterprises

The Singapore company's first outside money, led by Jungle Ventures, pays for engineers in nine markets, an office in Japan and its NEO…

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