Top Call Center Companies for Cloud

Between them, the 21 call center companies on this page cover security (8), internet (6), backup (6) and IT services (4). They also list work in London. 21 of them have written a profile you can read before you get in touch.

1. 1

   

   Electronic Voice Services (EVS7)

   Call Center · simple · CRM

   Electronic Voice Services (EVS7) is a Dallas company that builds cloud dialers and AI answering software for sales teams and call centres.

   Write a review

   Why #1: Founded 1993 · Client numbers stated on its own website, as stated on its own website, read 9 Oct 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   Global Enterprise Networks

   Disaster Recovery · Financial Services · Business Services · Also in Nottingham

   Global Enterprise Networks is a UK-based partnership that operates as an internet service provider and IT outsourcing firm.

   Write a review

   Why #2: In business 25+ years · professional accreditation, as stated on its own website, read 9 Oct 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   hagel IT-Services

   Linux

   Hamburg IT systems house providing managed IT, Microsoft 365, security and telephony services for small and mid-sized firms

   Write a review

   Why #3: Founded 2004 · Team of 32+, as stated on its own website, read 9 Oct 2026

   Not yet on record: client reviews, vetting.

4. 4

   

   Digital Telecommunication Corp (DTC)

   Telecommunications · Also in California and Southern California

   Digital Telecommunication Corp (DTC) is a systems integrator for business communications in Southern California.

   Write a review

   Why #4: Founded 1982, as stated on its own website, read 9 Oct 2026

   Not yet on record: client reviews, vetting.

5. 5

   

   Gregory Micallef Associates

   IT Services · Financial Services · Business Services · Also in Beckenham and London

   London IT support and telephone systems firm for small and medium-sized organisations, with managed services and consultancy

   Write a review

   Why #5: Founded 1992, as stated on its own website, read 9 Oct 2026

   Not yet on record: client reviews, vetting.

6. 6

   

   iNovuus Technologies

   Backup · Analytics · Government

   iNovuus Technologies is a Singapore company and value-added distributor of Druva's cloud data protection platform for Singapore and Southeast Asia.

   Write a review

   Why #6: Founded 2000, as stated on its own website, read 9 Oct 2026

   Not yet on record: client reviews, vetting.

7. =7

   II

   ICT Innovation

   Security · Monitoring · Linux

   ICT Innovation is an open-source VoIP and communications software company.

   Write a review

   Why #7 (shared): In business 20+ years, as stated on its own website, read 9 Oct 2026

   Not yet on record: client reviews, vetting.

8. =7

   

   Design IT Solutions

   IT Services · Security · Backup

   Design IT Solutions is a managed IT services company based in Spokane, Washington, with clients across the United States.

   Write a review

   Why #7 (shared): In business 20+ years, as stated on its own website, read 9 Oct 2026

   Not yet on record: client reviews, vetting.

9. =9

   

   Lingo Communications

   Security · Legal · Onboarding

   Lingo Communications provides business phone, cloud calling, broadband, security and managed services in the US.

   Write a review

   Why #9 (shared): Client numbers stated on its own website, as stated on its own website, read 9 Oct 2026

   Not yet on record: client reviews, vetting.

10. =9

    

    BCS CallProcessing Inc.

    IT Services · Recommendations

    BCS CallProcessing Inc. now trades online as BCS365. It provides managed IT support, cybersecurity and managed detection and response for businesses, with staff available around…

    Write a review

    Why #9 (shared): ISO 27001, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

11. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
12. –

    

    Access One

    Security · Internet · Outsourcing

    Access One is a managed IT services provider based in the Chicago area.

    Write a review
13. –

    

    Big Water Technologies

    Disaster Recovery · Security · Networking · Also in Michigan

    Big Water Technologies is a Michigan technology company that supplies managed IT and business telecoms to small and mid-sized organisations around Detroit and Southfield.

    Write a review
14. –

    

    Blue Equinox

    Disaster Recovery · Customer Service · Security

    Blue Equinox runs outreach on behalf of managed service providers, known as MSPs, so their sales teams can spend time on delivery.

    Write a review
15. –

    

    Consistent

    Internet · simple · Also in Madrid and Paris

    White-label cloud contact centre software with call routing, telephony and CRM integration for operators, resellers and integrators

    Write a review
16. –

    

    Datalyst LLC

    Help Desk · Security · Backup · Also in Massachusetts and United States

    Datalyst LLC provides managed IT services and IT consulting to businesses.

    Write a review
17. –

    

    DIGITALZONE Inc

    Customer Service · Goals · Analytics

    DIGITALZONE Inc is a B2B demand generation company. It builds sales pipeline for businesses using buyer intent data and first-party profiles, with a proprietary identity graph that…

    Write a review
18. –

    

    DVP Technologies

    Internet · Partners

    DVP Technologies is a networking, data and cloud services business that is now a member of the UPSTACK family.

    Write a review
19. –

    

    Indosoft

    Call Center · CRM · external

    Indosoft is a contact centre technology company that develops Q-Suite, call centre software built for the open-source Asterisk telephony platform.

    Write a review
20. –

    

    Innovation Networks Inc.

    IT Services · Call Center · Security · Also in Vancouver and Montreal

    Innovation Networks Inc. is a managed IT services provider for businesses across Canada.

    Write a review
21. –

    

    KPInterface, Inc.

    Disaster Recovery · Help Desk · Backup · Also in Philadelphia

    Managed IT services, cybersecurity and cloud support for businesses, with specialist practices in accounting, healthcare and manufacturing

    Write a review
22. –

    

    LeadDesk

    Customer Service · Administration · Also in Sudan

    LeadDesk is a cloud contact centre software company for businesses that handle high call volumes in sales and customer service.

    Write a review

Articles

Related reading

Articles on this subject first, then the newest.

All articles

Japan

22 Oct 2026 · TrustList Editorial

Onamae Desktop Cloud shuts all servers after intrusion on 26,739

GMO Internet's Windows desktop cloud found malicious programs on customer servers on 20 October and is stopping every plan with no restart…

United States

20 Oct 2026 · TrustList Editorial

FedRAMP proposes looser crypto rule for Class D and asks about FOCI

RFC-0035 would let top-tier cloud services use crypto outside NIST validation if documented, and RFC-0036 sets pilot rules including…

Switzerland

20 Oct 2026 · TrustList Editorial

Switzerland tenders its government cloud, up to CHF 7bn in three lots

The federal IT office splits the Swiss Government Cloud into two public-cloud lots and one private cloud in federal data centres; no…