Company lists · Data refreshed September 2026

Top 25 Inside sales consulting companies worldwide

Name: Inside sales consulting companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 17,506 companies tracked

RevenueBase identified 17,506 company matches for inside sales consulting companies worldwide as of September 2026 and tracks 104,746 professional contacts across them, including 16,274 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for inside sales consulting 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 28, 2026. Country and city lists for inside sales consulting 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 28, 2026 How this list was built

17,506Companies

104,746Contacts tracked

16,274Verified emails

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The 25 largest inside sales consulting companies worldwide

Ranked by team size

Top 25 of 17,506 company matches for inside sales consulting companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Marketsource INC	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	3,063 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 28, 2026 · View company records in RevenueBase
2	Marketstar	Exact match	Ogden, UT, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
3	Webhelp Enterprise	Exact match	Paris, FranceHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
4	ZAZ Vendas	Exact match	Campinas, BrazilHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
5	Abstrakt Marketing Group	Exact match	St Louis, MO, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
6	Infinity	Exact match	Cedar Rapids, IA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
7	Telenet Marketing Solutions	Exact match	Athens, GA, IndiaHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
8	Saleshive	Exact match	Denver, CO, United StatesHQ recorded Sep 28, 2026	51-200	455 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	The Lead Market	Exact match	Nagpur, IndiaHQ recorded Sep 28, 2026	51-200	387 contacts →
	Exact match “TLM empowers businesses to generate revenue through their qualified leads.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Cobmax	Exact match	Sao Jose Do Rio Preto, BrazilHQ recorded Sep 28, 2026	501-1,000	376 contacts →
	Exact match “A Cobmax é uma Sales Center com inteligência em vendas, fruto de metodologia própria, testada e aprovada em 11 anos de experiência.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Simplus	Exact match	Salt Lake City, UT, United StatesHQ recorded Sep 28, 2026	501-1,000	374 contacts →
	Exact match “We will meet clients where they are on their Salesforce journey, accelerating time to value through our advisory-led, industry-focused, and partner-aligned approach to…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Miller Heiman Group, A Korn Ferry Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	501-1,000	371 contacts →
	Exact match “Miller Heiman Group is now part of Korn Ferry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Ranger	Exact match	Paris, FranceHQ recorded Sep 28, 2026	201-500	364 contacts →
	Exact match “Ranger est une société française rattachée au groupe Ranger Marketing, fondé en 1992 et basé en Allemagne dans la ville de Düsseldorf.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Freelan	Exact match	Huixquilucan, MexicoHQ recorded Sep 28, 2026	n/a	340 contacts →
	Exact match “En Freelan, creemos que el crecimiento sostenible no es fruto del azar, sino de un sistema bien diseñado.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Jumpcrew	Exact match	Nashville, TN, United StatesHQ recorded Sep 28, 2026	201-500	339 contacts →
	Exact match “Launch-ready sales teams, experienced leaders, and time-tested processes to help you acquire new customers faster and with less risk than doing it alone.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Deccan Iservices Pvt. LTD	Exact match	Villupuram, IndiaHQ recorded Sep 28, 2026	501-1,000	306 contacts →
	Exact match “Deccan iServices Pvt.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Calltend INC	Exact match	Los Angeles, TX, United StatesHQ recorded Sep 28, 2026	51-200	289 contacts →
	Exact match “Current Vertical Focus: Real Estate - Lead Generation, Lead Conversion, Lead Qualification, Agent Recruiting Mortgage - Lead Conversion, Lead Qualification Insurance - Lead…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Sales Xceleration	Exact match	Fishers, IN, United StatesHQ recorded Sep 28, 2026	51-200	268 contacts →
	Exact match “At Sales Xceleration, we help businesses accelerate revenue growth through our Certified Sales Operating Management System™ and the guidance of our Fractional Sales Leaders.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Expertcallers	Exact match	Princeton, NJ, United StatesHQ recorded Sep 28, 2026	501-1,000	264 contacts →
	Exact match “ExpertCallers (a division of Flatworld Solutions) is a global consulting and outsourcing company, with a wealth of experience in providing operational and strategic excellence to…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Mercuri International Group	Exact match	Stockholm, SwedenHQ recorded Sep 28, 2026	501-1,000	263 contacts →
	Exact match “Every year Mercuri International empowers companies in over 50 countries to achieve sales excellence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Quarry NOW Marketbridge	Exact match	St. Jacobs, ON, CanadaHQ recorded Sep 28, 2026	51-200	248 contacts →
	Exact match “Quarry is now Marketbridge.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Rocket Connections	Exact match	Detroit, MI, United StatesHQ recorded Sep 28, 2026	1,001-5,000	247 contacts →
	Exact match “Rocket Connections is a sales and support platform specializing in contact center services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Mercadeo	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	51-200	240 contacts →
	Exact match “Mercadeo strategies are embedded in a sound foundation of proven, time tested business fundamentals, a deep understanding of different market dynamics and intimate knowledge of…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Corporate Visions	Exact match	Mesa, AZ, United StatesHQ recorded Sep 28, 2026	51-200	239 contacts →
	Exact match “Corporate Visions is the leading provider of evidence-based sales training, messaging, and revenue enablement solutions for B2B companies around the globe.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Marketjoy, INC	Exact match	Pensacola, FL, United StatesHQ recorded Sep 28, 2026	51-200	223 contacts →
	Exact match “Founded in 2016 and headquartered in Pensacola, Florida, MarketJoy is a B2B lead generation, appointment generation and sales development partner built to deliver predictable…” Recorded in the RevenueBase company graph · Sep 28, 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 “inside sales consulting 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 17,506 inside sales consulting companies worldwide

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Inside sales consulting companies worldwide at a glance

As of Sep 28, 2026

15.5%Verified-email coverage

6.0Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

13,302

11-50

3,218

51-200

746

201-500

148

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 inside sales consulting companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “inside sales consulting 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 16,274 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 28, 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.

Inside sales consulting companies by location

89 lists · largest first

Every Inside sales consulting 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 “inside sales consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many inside sales consulting companies are there worldwide?

RevenueBase identified 17,506 company matches for inside sales consulting 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?

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

Which country has the most inside sales consulting companies?

The United States leads with 4,423 companies, followed by Brazil (1,186) and the United Kingdom (1,129). Every inside sales consulting companies list by country and city is linked on this page.

Which city has the most inside sales consulting companies?

London leads with 395 company records, followed by Sao Paulo (314) and Paris (176).

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 16,274 professional contacts with verified work emails tracked across these 17,506 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 28, 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.