Company lists · Data refreshed September 2026

Top 25 Business development outsourcing services worldwide

RevenueBase identified 29,685 company matches for business development outsourcing services worldwide as of September 2026 and tracks 389,343 professional contacts across them, including 33,657 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for business development outsourcing services worldwide, 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 September 21, 2026. Country and city lists for business development outsourcing services follow the table.

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 Sep 21, 2026 How this list was built
29,685Companies
389,343Contacts tracked
33,657Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest business development outsourcing services worldwide

Ranked by team size
Top 25 of 29,685 company matches for business development outsourcing services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchNoida, IndiaHQ recorded Sep 21, 202610001+14,745 contacts →

Exact match

“iEnergizer is a leading Business Process Outsourcing provider (“BPO”) of customer management solutions dedicated to delivering performance while actively supporting and advocating…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchDurban, South AfricaHQ recorded Sep 21, 202610001+6,349 contacts →

Exact match

“CCI Global is a distinguished leader in the Business Process Outsourcing (BPO) industry in Africa- Headquartered in the UAE, CCI is renowned for exceptional services across a…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchCampinas, BrazilHQ recorded Sep 21, 20261,001-5,0005,079 contacts →

Exact match

“Somos uma assessoria de marketing focada em construir e otimizar o processo de vendas através da internet conectando pessoas que geram resultados com empresas que buscam vender…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchKarachi, PakistanHQ recorded Sep 21, 202610001+4,161 contacts →

Exact match

“ibex.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchUdaipur, IndiaHQ recorded Sep 21, 20261,001-5,0004,122 contacts →

Exact match

“We are a fast-growing BPO & IT outsourcing firm with a team of 2500+ people passionate about data and technology.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchAmman, JordanHQ recorded Sep 21, 20261,001-5,0003,071 contacts →

Exact match

“Extensya is a company that primarily specializes in contact management solutions and business process outsourcing services, with a network of fully equipped contact centers in…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchAlpharetta, GA, United StatesHQ recorded Sep 21, 20265,001-10,0003,063 contacts →

Exact match

“MarketSource, an Allegis Group company, is a sales acceleration company focused on delivering better outcomes for many of the world’s most iconic brands.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchBerwyn, PA, United StatesHQ recorded Sep 21, 20265,001-10,0002,774 contacts →

Exact match

“Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchEagan, MN, United StatesHQ recorded Sep 21, 202610001+2,772 contacts →

Exact match

“Stream Global Services is a premium business process outsource (BPO) service provider specializing in customer relationship management solutions including sales, customer care…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchOgden, UT, United StatesHQ recorded Sep 21, 20261,001-5,0002,446 contacts →

Exact match

“MarketStar is a global B2B sales outsourcing leader with 38+ years of experience driving predictable revenue growth.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchNeenah, WI, United StatesHQ recorded Sep 21, 20261,001-5,0002,046 contacts →

Exact match

“Alta Resources has always worked to be something different.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchToshima-ku, JapanHQ recorded Sep 21, 202610001+1,987 contacts →

Exact match

“transcosmos launched its operations in 1966.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchGuatemalaHQ recorded Sep 21, 20265,001-10,0001,979 contacts →

Exact match

“Regardless of your Company’s size (from Start-ups to Fortune 500), business vertical or service requirements, we act as a seamless extension of your team to help you grow, and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchParis, FranceHQ recorded Sep 21, 202610001+1,795 contacts →

Exact match

“The Concentrix B2B sales practice is here to design, build and run projects for our clients.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchWaco, TX, United StatesHQ recorded Sep 21, 20265,001-10,0001,710 contacts →

Exact match

“Support Services Group (SSG) helps businesses accelerate growth and earn customers for life through high-touch, outsourced engagement center services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchNoida, IndiaHQ recorded Sep 21, 202610001+1,584 contacts →

Exact match

“NetAmbit helps businesses build a sustainable advantage by accelerating growth in high-touch offline areas.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchCincinnati, OH, United StatesHQ recorded Sep 21, 20261,001-5,0001,484 contacts →

Exact match

“At RDI, we believe in winning smart by providing customized, strategic solutions to our clients.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchMadrid, SpainHQ recorded Sep 21, 20265,001-10,0001,447 contacts →

Exact match

“Grupo Marktel es un grupo empresarial que ofrece soluciones globales a sus clientes en el ámbito de la externalziación de servicios con el máximo nivel de especialización en las…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchBogotá, ColombiaHQ recorded Sep 21, 20261,001-5,0001,363 contacts →

Exact match

“Las conexiones más poderosas surgen de interacciones sencillas que marcan la diferencia.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchTaman Tun Dr Ismail, MalaysiaHQ recorded Sep 21, 20265,001-10,0001,248 contacts →

Exact match

“VADS Berhad (VADS) is one of Malaysia’s leading BPO and Managed ICT Service provider.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchWaltham, MA, United StatesHQ recorded Sep 21, 20261,001-5,0001,238 contacts →

Exact match

“Full Potential Solutions (FPS) is a new kind of performance-based outsourcing firm that puts culture and employees first, because we believe that happy, fulfilled teams accomplish…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchMarlton, NJ, United StatesHQ recorded Sep 21, 20261,001-5,0001,237 contacts →

Exact match

“SEBPO transforms operational complexity into a seamless, strategic advantage.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchNoida, IndiaHQ recorded Sep 21, 20261,001-5,0001,202 contacts →

Exact match

“ICCS, a Business Process Outsourcing company, proposes to assist your setup by not only executing the typical outsourced BPO services, but by committing to provide the essential…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchSt Petersburg, FL, RussiaHQ recorded Sep 21, 20261,001-5,0001,198 contacts →

Exact match

“The Office Gurus (TOG) is a global call center and business process outsource provider of customer care, telemarketing, lead generation, appointment setting, order entry, accounts…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchJakarta, IndonesiaHQ recorded Sep 21, 20265,001-10,0001,193 contacts →

Exact match

“MitraComm Ekasarana was first established in MitraComm has three business units that provide a wide range of services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 29,685 business development outsourcing services worldwide

See the full list, filter by size, metro and specialty, and access 33,657 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Business development outsourcing services worldwide at a glance

As of Sep 21, 2026
8.6%Verified-email coverage
13.1Average contacts per company
1-10Median size (employees)
1.9%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
16,208
11-50
8,816
51-200
3,156
201-500
915
501-1,000
288
1,001-5,000
183
5,001-10,000
45
10001+
38

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for business development outsourcing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “business development outsourcing services” 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. 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 33,657 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 September 21, 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.

Business development outsourcing services by location

109 lists · largest first

Every Business development outsourcing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “business development outsourcing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business development outsourcing services are there worldwide?

RevenueBase identified 29,685 company matches for business development outsourcing services worldwide as of September 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?

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

Which country has the most business development outsourcing services?

The United States leads with 5,490 companies, followed by India (3,425) and the United Kingdom (1,732). Every business development outsourcing services list by country and city is linked on this page.

Which city has the most business development outsourcing services?

London leads with 557 company records, followed by Pune (432) and Lahore (312).

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 33,657 professional contacts with verified work emails tracked across these 29,685 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 September 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 29,685 business development outsourcing services worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.