TopFirms REVIEWER

Top Call Center Companies

Inbound/Outbound contact center services such as customer service, technical helpdesk, sales telemarketing, appointment setting, lead qualification, surveys, multilingual support and more, integrated with omnichannel and quality monitoring.

23 companies found

Featured
1
Belkins

Belkins

Verified

Belkins is a Denver, Colorado-based outbound sales firm founded in 2017 that delivers call...

4.5 (8)
Call Center Sales Outsourcing CRM Consulting and SI +1
Min. project
$10,000+
Hourly
< $25
Team
50-249
Location
Denver, CO
View profile
2
Martal Group

Martal Group

Verified

Established in 2009, Martal Group is an outbound sales and lead generation firm based in O...

4.7 (10)
Call Center Sales Outsourcing AI Agents +1
Min. project
$5,000+
Hourly
$25 - $49
Team
250-999
Location
Oakville, Canada
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3
A-SALES AB

A-SALES AB

Verified

Founded in 2015, A-SALES AB is an outbound sales company based in Ed, Sweden that offers c...

4.4 (8)
Call Center Sales Outsourcing Email Marketing
Min. project
$5,000+
Hourly
< $25
Team
50-249
Location
Ed, Sweden
View profile
4
Global Response

Global Response

Verified

Contacted in 1990, Global Response is a contact center firm based in the City of Margate,...

4.5 (10)
Call Center Customer Service Outsourcing IT Managed Services +1
Min. project
$5,000+
Hourly
< $25
Team
1000-9999
Location
Margate, FL
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5
Hugo Inc.

Hugo Inc.

Verified

Established in 2015, Hugo Inc. is a Chicago, Illinois-based customer experience company, o...

4.1 (9)
Call Center Customer Service Outsourcing Back Office Outsourcing +4
Min. project
$5,000+
Hourly
< $25
Team
1000-9999
Location
Chicago, IL
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6
SupportYourApp

SupportYourApp

Verified

Founded in 2012, SupportYourApp is a Wilmington, DE based contact center provider that off...

4.4 (8)
Call Center Customer Service Outsourcing Back Office Outsourcing +1
Min. project
$5,000+
Hourly
< $25
Team
1000-9999
Location
Wilmington, DE
View profile
7
Smith.ai

Smith.ai

Verified

Founded in 2015, Smith.ai is a virtual call center and virtual receptionist provider, offe...

4.1 (9)
Call Center Customer Service Outsourcing Sales Outsourcing +3
Min. project
$10,000+
Hourly
$100 - $149
Team
250-999
Location
Luigiton, South Georgia and the South Sandwich Islands
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8
XACT

XACT

Verified

Founded in 2000, and headquartered in Orlando, Florida, XACT is a contact center services...

4.4 (10)
Call Center Customer Service Outsourcing Sales Outsourcing +2
Min. project
$50,000+
Hourly
$25 - $49
Team
250-999
Location
Orlando, FL
View profile
9
Simply Contact

Simply Contact

Verified

Founded in 2011, Simply Contact is a Warsaw, Poland-based contact center provider that hel...

4.6 (9)
Call Center Customer Service Outsourcing Back Office Outsourcing
Min. project
$5,000+
Hourly
< $25
Team
250-999
Location
Warszawa, Poland
View profile
10
TDCX

TDCX

Verified

Established in 2000, TDCX is a CX-based company based in Singapore, providing world-class...

4.6 (10)
Call Center Customer Service Outsourcing Sales Outsourcing +2
Min. project
$100,000+
Hourly
$100 - $149
Team
10000+
Location
Singapore, Singapore
View profile

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Got Questions

Frequently asked questions

Which are the common services that call centers offer businesses?

With trained agents, multilingual support, and CRM integration, call centers can manage inbound support, outbound tasks like sales calls, lead generation, and surveys, appointment setting, emergency hotlines, and overflow during busy periods.

What are the reasons why a business should outsource to a call center rather than have in-house staff?

Benefits of outsourcing include 24/7 coverage without overtime benefits, having protocols in place for trained agents and advanced tech (IVR, analytics), and scalability during peak seasons, and lower overhead, often by 30-60% compared to building an in-house team.

What's the time to establish a call centre service?

Typical inbound/outbound set up is 2-6 weeks, depending on the type of campaign you want to do, or the number of languages you're involved in anything more complex can be 1-3 months.

How much does it cost for call center services?

Per-minute pricing is $0.50–$2.00/minute, while per call pricing is $0.50–$2.00/call per month pricing for dedicated agents is often $3,000–$15,000 plus volume, hours and specialization.

Are there call centers available that can support multiple languages or specific industries?

Yes, some have agents who speak multiple languages and understand specific industries such as healthcare, finance, e-commerce, or tech support to respond accurately and compliantly.

Does outsourcing to a call center help to enhance customer satisfaction?

Yes, professional agents, faster response time, and 24/7 availability can lead to a considerable improvement in CSAT scores, decreased wait times, and increased first call resolution rates.

How about data security and compliance issues in call centres?

A reliable provider is compliant with PCI-DSS, HIPAA, GDPR, and SOC 2 standards and implements other measures to ensure that customer data is kept safe, such as encrypted calls, secure recording storage, regularly scheduled audits, and agent training.

How do you measure call center performance and ROI?

Most providers will provide the following key metrics, such as average handle time, first call resolution, customer satisfaction (CSAT/NPS), conversion rate, abandoned calls, and cost per contact, along with real-time dashboards and monthly reports.