Top 80 Inbound Call Centers in London

SureCall is a call service agency headquartered in Calgary, Canada, with an office in Denver. Since 1982, their team of fewer than 250 has offered voice and non-voice BPO/back-office services to clients ranging from small businesses to enterprises. Call center services include answering, telemarketing, and other inbound services. Their BPO services focus on customer service, data entry & processing, and other back-office services.

Fusion Business Solutions Pvt Ltd is an outsourcing and offshoring company with over 300 employees founded in Udaipur, India. Founded in 2006, they work with mid-market and small businesses in the business services industry, among others, to provide non-voice BPO and back-office services. 

Quantanite is a professional services company based in London and has offices in Johannesburg and Dhaka, Bangladesh. The company, founded in 2014, has more than 1,000 employees and provides non-voice BPO/back office services, voice services, transcription, AI, and email marketing services. Quantanite serves small and larger-sized companies in various industries that include automotive, business services, and consumer products & services.

Abacus Cambridge Partners is a tech consultancy and BPO company that was founded in 2017. The core London-based team of about 50 coordinates voice, ERP consulting and system integration, IT strategy consulting services for midmarket and enterprise-sized clients in the e-commerce space.

Established in 2021, Growth Hub is an other marketing company. The agency offers other marketing and business consulting and has a small team.

Answering service Medical PA was launched in 2005. The small team offers call center services, customer service outsourcing, and back office outsourcing. The company is in Harlow, United Kingdom.

CALLCARE is a midsize call center service launched in 1998. Their services include voice services and non-voice bpo/back office services. The company is based in London, United Kingdom.

NICE inContact is a call center software and voice services provider based in Sandy, Utah, that was established in1997. Their team of more than 1200 employees offers voice call services, inbound lead resolution, customer support, and a customer interaction cloud software.

Tovie AI, a artificial intelligence development company, was founded in 2018. The firm offers Artificial Intelligence and has a small team.

Located in London, United Kingdom, Online Giants is a midsize call center. They focus on voice services and were established in 2013.

3C Online is a London, United Kingdom-based customer service outsourcing company. The small firm was founded in 2015. Their services include customer service outsourcing, sales outsourcing, content marketing, and content writing services.

Answering service company Zebra Connexions Ltd is headquartered in Harlow, United Kingdom. The small team focuses on call center services and back office outsourcing. The company was established in 2004.

Intradiem is a telephone answering service established in 1995. Headquartered in Alpharetta, Georgia and London, United Kingdom, their midsize team focuses on voice services, Artificial Intelligence, and business consulting.

Smart Call Solutions Pvt Ltd is a Rawalpindi, Pakistan-based call center. They specialize in call center services, digital strategy, search engine optimization, and customer service outsourcing and were established in 2022.

BPO Recruit is a call center. The small London , United Kingdom-based agency was founded in 2009. Their services include voice services.

Firstsource Solutions is a large call center company headquartered in London , United Kingdom; Louisville, Kentucky; Mumbai, India and Muntinlupa City, Philippines. The team offers voice services, non-voice bpo/back office services, finance & accounting outsourcing (FAO), and business consulting.

Call center NextCall is located in Covent Garden, United Kingdom. The midsize team focuses on voice services. The agency was launched in 2015.

JAM is a call center service. Their midsize team is located in Borehamwood , United Kingdom. The firm focuses on voice services. The firm was launched in 1977.

Webhelp, a call center company, is located in Rīga, Latvia. The small firm was founded in 2000. Their team offers voice services and non-voice bpo/back office services.

Phone answering service Sabio was launched in 1998. Their midsize team is in London, United Kingdom. Their services include voice services.

Established in 1987, Abacus Global is a answering service. Based in Lahore, Pakistan; London, United Kingdom; New York, New York and Dubai, United Arab Emirates, their large team offers call center services, business consulting, sales outsourcing, IT staff augmentation, and more.

Answering service company Microtalk was established in 2008. The midsize team focuses on call center services. The firm is headquartered in London, United Kingdom and Kolkata, India.

Geek Online is an answering service and customer service outsourcing company. Launched in 2018, the team offers call center services and customer service outsourcing. Their small firm is Sheridan, Wyoming-based.

Call Vidia is a non-voice bpo/back office services and answering service company located in Bakersfield, California and London , United Kingdom. The small company was launched in 2018. Their team focuses on non-voice bpo/back office services and voice services.

Signature SEO & Calls Solutions is a Peshawar, Pakistan-based answering service. The company provides call center services, web design, web development, advertising, and more and is small.The company was founded in 2016.

TwoStaff is a back office outsourcing company founded in 2022. They are headquartered in London, United Kingdom and Ahmedabad, India and have a small team. The company provides back office outsourcing, call center services, customer service outsourcing, staffing, and more.

RSVP is a non-voice bpo/back office services company. Their small team is located in London, United Kingdom. Their services include non-voice bpo/back office services, voice services, and social media marketing.

The Covalence is a small Rawalpindi, Pakistan-based marketing strategy company. Established in 2018, the team focuses on marketing strategy, web development, call center services, and customer service outsourcing.

Integreon is a legal services company founded in 1998. Their headquarters is in New York, with multiple offices worldwide in Mumbai, India, Beijing, China, Johannesburg, South Africa, Makati, Philippines and London. Their team of over 1,000 employees offers non-voice BPO/back office services, voice services, and transcription. They primarily work with clients in the financial, business, and legal industries.

Hire Live Support is a Cerritos, California-based call center service. The small team offers voice services, non-voice bpo/back office services, graphic design, and video production and was established in 2009.