Company lists · Data refreshed September 2026

Top 25 Outsource business development companies worldwide

Name: Outsource business development companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 18,141 companies tracked

RevenueBase identified 18,141 company matches for outsource business development companies worldwide as of September 2026 and tracks 146,640 professional contacts across them, including 16,314 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for outsource business development companies 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 outsource business development companies 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

18,141Companies

146,640Contacts tracked

16,314Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest outsource business development companies worldwide

Ranked by team size

Top 25 of 18,141 company matches for outsource business development companies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Marketstar	Exact match	Ogden, UT, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,446 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
2	Webhelp Enterprise	Exact match	Paris, FranceHQ recorded Sep 21, 2026	10001+	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
3	RDI Corporation	Exact match	Cincinnati, OH, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,484 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
4	crystel.co	Exact match	Amman, JordanHQ recorded Sep 21, 2026	1,001-5,000	1,128 contacts →
	Exact match “Crystel emerged as a leading Outsourcing Service Provider (OSP) since its establishment in Jordan in early 2007.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Cience	Exact match	Miami, FL, United StatesHQ recorded Sep 21, 2026	201-500	1,068 contacts →
	Exact match “CIENCE Technologies, Inc, founded in 2015 and headquartered in Denver, CO, is a pioneering global company in lead generation software and services, committed to transforming the…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Memoryblue	Exact match	Tysons, VA, United StatesHQ recorded Sep 21, 2026	501-1,000	825 contacts →
	Exact match “memoryBlue is the go-to partner for revenue leaders in B2B Tech looking to grow their pipeline engine.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	ZAZ Vendas	Exact match	Campinas, BrazilHQ recorded Sep 21, 2026	501-1,000	796 contacts →
	Exact match “Em um mercado cada vez mais competitivo, onde a eficiência em vendas massificadas e externas é um desafio constante, a ZAZ Vendas surge como a resposta definitiva.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Salelytics	Exact match	Appleton, WI, United StatesHQ recorded Sep 21, 2026	1,001-5,000	776 contacts →
	Exact match “Salelytics is now MarketSource.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Abstrakt Marketing Group	Exact match	St Louis, MO, United StatesHQ recorded Sep 21, 2026	501-1,000	724 contacts →
	Exact match “We book the qualified meetings that fill your pipeline for any B2B company ready to grow.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Salebuild	Exact match	Redwood City, CA, United StatesHQ recorded Sep 21, 2026	n/a	708 contacts →
	Exact match “Salesify, a leading provider of B2B demand generation services, helps our clients create pipeline and accelerate revenue by identifying, profiling, nurturing and connecting with…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Flexisales INC	Exact match	Las Vegas, NV, United StatesHQ recorded Sep 21, 2026	201-500	697 contacts →
	Exact match “Flexisales, is a global frontrunner in B2B Lead & Demand Generation and Data Services, serving technology companies & agencies worldwide.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Cheers Interactive	Exact match	Navi Mumbai, IndiaHQ recorded Sep 21, 2026	501-1,000	685 contacts →
	Exact match “Cheers Interactive is a specialised custom research, analytics and sales & marketing solutions company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Girnar Care	Exact match	Jaipur, IndiaHQ recorded Sep 21, 2026	501-1,000	649 contacts →
	Exact match “We at Girnar Care work towards customer satisfaction and it is also a center of customer excellence.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	DMF Sales&marketing	Exact match	Asnières Sur Seine, FranceHQ recorded Sep 21, 2026	201-500	632 contacts →
	Exact match “MISSION DMF sales and marketing est un des tous premiers prestataires d’externalisation commerciale en France.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Digitize Brand HUB India PVT LTD	Exact match	Pune, IndiaHQ recorded Sep 21, 2026	n/a	622 contacts →
	Exact match “We at Digitize Brand pledge to provide unique and innovative solutions to our clients based on their needs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Infinity	Exact match	Cedar Rapids, IA, United StatesHQ recorded Sep 21, 2026	501-1,000	609 contacts →
	Exact match “Infinity is an award-winning inside sales agency and consulting firm with 30 years of experience helping B2B companies maximize sales and drive revenue.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Transcosmos Thailand	Exact match	Bangkok, ThailandHQ recorded Sep 21, 2026	1,001-5,000	575 contacts →
	Exact match “transcosmos Thailand is a joint venture of transcosmos and SAHA group based in Thailand.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Telenet Marketing Solutions	Exact match	Athens, GA, IndiaHQ recorded Sep 21, 2026	201-500	553 contacts →
	Exact match “From initial market awareness to the final stages of a complex B2B buying journey, modern buyers crave authentic interaction.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Movingdneedle Pvt. LTD	Exact match	Sterling Heights, MI, United StatesHQ recorded Sep 21, 2026	51-200	528 contacts →
	Exact match “movingDneedle is a Business to Business Sales Lead Generation Company that provides fast and scalable, sales qualified leads through its unique Personalized Email Marketing…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Callbox INC	Exact match	Encino, CA, United StatesHQ recorded Sep 21, 2026	201-500	499 contacts →
	Exact match “Callbox is the #1 trusted lead generation services and AI-Powered Growth Strategy Partner by enterprise and scaling businesses in the USA, Canada, Asia Pacific, Latin America…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Infoanalytica, INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 21, 2026	201-500	482 contacts →
	Exact match “InfoAnalytica is a B2B sales acceleration partner for mid-market and enterprise companies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Demandshore	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	501-1,000	478 contacts →
	Exact match “About DemandShore Since 2004, we’ve been working hard to deliver value to Sales & Marketing professionals across B2B Technology companies globally.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Saleshive	Exact match	Denver, CO, United StatesHQ recorded Sep 21, 2026	51-200	455 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Qualifa	Exact match	Brighton, United KingdomHQ recorded Sep 21, 2026	51-200	440 contacts →
	Exact match “We are an award winning multilingual lead generation and market research service provider for B2B publishing, marketing, events and tech companies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Alliance Pdms	Exact match	Hurst, TX, United StatesHQ recorded Sep 21, 2026	51-200	428 contacts →
	Exact match “Alliance is a domestically operated, internationally recognized professional contact center specializing in lead generation and appointment setting.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “outsource business development companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 18,141 outsource business development companies worldwide

See the full list, filter by size, metro and specialty, and access 16,314 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Outsource business development companies worldwide at a glance

As of Sep 21, 2026

11.1%Verified-email coverage

8.1Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11,407

11-50

4,988

51-200

1,320

201-500

288

501-1,000

1,001-5,000

5,001-10,000

10001+

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 outsource business development companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “outsource business development companies” 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 16,314 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.

Outsource business development companies by location

71 lists · largest first

Every Outsource business development companies 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 “outsource business development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outsource business development companies are there worldwide?

RevenueBase identified 18,141 company matches for outsource business development companies 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?

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

Which country has the most outsource business development companies?

The United States leads with 4,162 companies, followed by India (1,691) and the United Kingdom (1,355). Every outsource business development companies list by country and city is linked on this page.

Which city has the most outsource business development companies?

London leads with 439 company records, followed by Pune (364) and New York (202).

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 16,314 professional contacts with verified work emails tracked across these 18,141 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 18,141 outsource business development companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.