Company lists · Data refreshed November 2026

Top 16 Customer service outsourcing advisors based in Singapore

RevenueBase identified 69 company matches for customer service outsourcing advisors associated with Singapore as of November 2026 and tracks 3,567 professional contacts across them, including 254 with verified work emails. Singapore is the largest hub.

This list covers company matches for customer service outsourcing advisors associated with Singapore, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
69Companies
3,567Contacts tracked
254Verified emails
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The 16 largest customer service outsourcing advisors based in Singapore

Ranked by team size
Top 16 of 69 company matches for customer service outsourcing advisors based in Singapore, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSingaporeHQ recorded Nov 5, 20265,001-10,0002,024 contacts →

Exact match

“Empowering Global Brands Through Custom BPO Solutions Gear Inc delivers business process outsourcing solutions designed to meet the unique challenges of leading enterprises.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchSingaporeHQ recorded Nov 5, 2026201-500212 contacts →

Exact match

“NSOL provides a broad portfolio of Business processes and Information Technology solutions to its clients worldwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSingaporeHQ recorded Nov 5, 20261,001-5,000136 contacts →

Exact match

“Established in 1988, RMA Group is a leading global outsourcing specialist headquartered in Singapore with more than 1,200 employees across five countries throughout Asia-Pacific.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchSingaporeHQ recorded Nov 5, 202651-20060 contacts →

Exact match

“inCall Systems is an Outsourced Business Service Provider (BPO) of over 20 years, offering End-to-End Integrated Marketing and Customer Services solutions that delivers results.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchSingaporeHQ recorded Nov 5, 202651-20060 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchSingaporeHQ recorded Nov 5, 202651-20040 contacts →

Exact match

“Green BPO - 100% Remote Role - lowest attrition and cost - expertise in Finance Order 2 Cash roles, Customer Service, Analyst and Tech Roles across India & Asia - bilingual…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSingaporeHQ recorded Nov 5, 202651-20038 contacts →

Exact match

“Established since April 2007, i-vic International is one of the largest outsource contact centres in Singapore.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchSingaporeHQ recorded Nov 5, 202611-5026 contacts →

Exact match

“Our mission is to support our customers in their business services and advisory needs with listening, integrity and professionalism so they have peace of mind to focus on their…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchSingaporeHQ recorded Nov 5, 202651-20026 contacts →

Exact match

“We are among the largest providers of outsourced B2B marketing and sales support services for organizations worldwide, and are trusted by businesses across continents, North…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchSingaporeHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“We offer business process outsourcing solutions to our global clients by leveraging process, domain and people management expertise.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchSingaporeHQ recorded Nov 5, 202651-20016 contacts →

Exact match

“With its headquarters in Singapore, Daemon is a boutique consulting house with a strength of over 150 consultants globally, with about 50% based in the Asia Pacific region.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchSingaporeHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“FLEXXO - OUTSOURCING THAT EMPOWERS BUSINESS Accounting, taxation, audit, corporate secretary, human resources and payroll - we're here to support your business needs.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchSingaporeHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“ZICO Insource provides insourcing and consultancy services for commercial transactions, human capital and corporate communication.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchCentral Business District, SingaporeHQ recorded Nov 5, 202611-503 contacts →

Exact match

“We began by building and exiting our own companies in 2012.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchSingaporeHQ recorded Nov 5, 202611-502 contacts →

Exact match

“Acintyo Consulting is a premium Outsourcing and Offshoring Consulting firm that is committed towards bridging the gap between the Employer and Job Seekers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchSingaporeHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Offshore talents, who are fully committed to your company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 16 of 69 customer service outsourcing advisors based in Singapore

See the full list, filter by size, metro and specialty, and access 254 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer service outsourcing advisors based in Singapore at a glance

As of Nov 5, 2026
7.1%Verified-email coverage
51.7Average contacts per company
11-50Median size (employees)
89.9%Largest-city concentration · Singapore
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
23
11-50
19
51-200
19
201-500
5
501-1,000
1
1,001-5,000
1
5,001-10,000
1

Email recency for this list is measured worldwide rather than for Singapore, so it is reported there. Company counts and contact totals on this page are exact for Singapore, over 69 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Singapore whose business descriptions match “customer service outsourcing advisors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 254 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Customer service outsourcing advisors by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “customer service outsourcing advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer service outsourcing advisors are there based in Singapore?

RevenueBase identified 69 company matches for customer service outsourcing advisors associated with Singapore as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Gear INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most customer service outsourcing advisors?

Singapore leads with 62 company records, followed by Downtown Core (1) and Jurong East (1).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 254 professional contacts with verified work emails tracked across these 69 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.