Call Centers & Business Centers

Top Call Centers & Business Centers companies in United Kingdom - October, 2026

Q: What is Sigma Connected's revenue?

Sigma Connected 's revenue is $1B

Listed below are the top companies in United Kingdom by revenue as of October 2026. With $2.6B in revenue, RGIS is ranked first on the list, followed by Sigma Connected with $1B in revenue and KURA with $634M in revenue. Find additional information about companies in United Kingdom such as their contact details, employees, location, org chart, news and much more.

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- RGIS
- Call Centers & Business Centers , Business Services , Accounting for Legal Practices
- Birmingham, West Midlands, United Kingdom
- $2.6B
- 10K+
- Sigma Connected
- Call Centers & Business Centers , Business Services
- Birmingham, West Midlands, United Kingdom
- $1B
- 1K - 5K
- KURA
- Call Centers & Business Centers , Business Services
- Glasgow, Glasgow, United Kingdom
- $634M
- 1K - 5K
- Quantanite
- Call Centers & Business Centers , Business Services
- London, Greater London, United Kingdom
- $422.7M
- 1K - 5K
- ResQ
- Call Centers & Business Centers , Business Services , Debt Collection
- Hull, Kingston upon Hull, United Kingdom
- $422.7M
- 1K - 5K
- Centre for Health and Disability Assessments
- Call Centers & Business Centers , Business Services , Government
- Bootle, Merseyside, United Kingdom
- $373.8M
- 1K - 5K
- Moneypenny
- Call Centers & Business Centers , Business Services
- Wrexham, Wrexham, United Kingdom
- $369.5M
- 501-1,000
- Outsource Global
- Call Centers & Business Centers , Business Services , Accounting for Legal Practices | 2 More
- London, Greater London, United Kingdom
- $319.7M
- 1K - 5K
- Reed in Partnership
- Call Centers & Business Centers , Business Services , Human Resources Management Systems (HRMS)
- Huddersfield, West Yorkshire, United Kingdom
- $197.7M
- 1K - 5K
- Clearanswer Call Centres
- Call Centers & Business Centers , Business Services
- Hull, Kingston upon Hull, United Kingdom
- $132.4M
- 501-1,000

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Frequently Asked Questions Regarding Top Call Centers & Business Centers companies in United Kingdom - October, 2026

Is RGIS the biggest company in the world?

RGIS is the top company in United Kingdom by revenue, with $2.6B in revenue

Is Sigma Connected the biggest company in the world?

Sigma Connected is the second largest company in United Kingdom by revenue, with $1B in revenue

Is RGIS the largest company by revenue?

RGIS is the largest company by revenue, with $2.6B in revenue

What is RGIS's revenue?

RGIS's revenue is $2.6B

What is Sigma Connected's revenue?

Sigma Connected's revenue is $1B

What is KURA's revenue?

KURA's revenue is $634M

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Top Call Centers & Business Centers companies in United Kingdom - October, 2026

Try comparing two companies from the list

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Frequently Asked Questions Regarding Top Call Centers & Business Centers companies in United Kingdom - October, 2026

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