Company lists · Data refreshed September 2026

Top 25 Sales development consultancies worldwide

RevenueBase identified 23,909 sales development consultancies worldwide as of September 2026 and tracks 121,698 professional contacts across them, including 18,010 with verified work emails. The United States is the largest market and London the largest hub.

This list covers sales development consultancies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for sales development consultancies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
23,909Companies
121,698Contacts tracked
18,010Verified emails
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The 25 largest sales development consultancies worldwide

Ranked by team size
Top 25 of 23,909 sales development consultancies worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to sales development consultancies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceParis, FranceHQ checked Sep 29, 202610001+1,795 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceTysons, VA, United StatesHQ checked Sep 29, 2026501-1,000825 contacts →

Indirect evidence

“memoryBlue is the go-to partner for revenue leaders in B2B Tech looking to grow their pipeline engine.”

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceCampinas, BrazilHQ checked Sep 29, 2026501-1,000796 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceSt Louis, MO, United StatesHQ checked Sep 29, 2026501-1,000724 contacts →

Indirect evidence

“We book the qualified meetings that fill your pipeline for any B2B company ready to grow.”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceRedwood City, CA, United StatesHQ checked Sep 29, 2026n/a708 contacts →

Indirect evidence

“Salesify, a leading provider of B2B demand generation services, helps our clients create pipeline and accelerate revenue by identifying, profiling, nurturing and connecting with…”

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidenceCedar Rapids, IA, United StatesHQ checked Sep 29, 2026501-1,000609 contacts →

Partial evidence

“Infinity is an award-winning inside sales agency and consulting firm with 30 years of experience helping B2B companies maximize sales and drive revenue.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceAthens, GA, IndiaHQ checked Sep 29, 2026201-500553 contacts →

Indirect evidence

“From initial market awareness to the final stages of a complex B2B buying journey, modern buyers crave authentic interaction.”

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidenceSterling Heights, MI, United StatesHQ checked Sep 29, 202651-200528 contacts →

Partial evidence

“movingDneedle is a Business to Business Sales Lead Generation Company that provides fast and scalable, sales qualified leads through its unique Personalized Email Marketing…”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceSan Jose, CA, United StatesHQ checked Sep 29, 2026201-500523 contacts →

Indirect evidence

“The Pipeline Group helps B2B tech companies scale pipeline fast through our SDR-as-a-Service model.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceEncino, CA, United StatesHQ checked Sep 29, 2026201-500499 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
11Partial evidenceSan Jose, CA, United StatesHQ checked Sep 29, 2026201-500482 contacts →

Partial evidence

“InfoAnalytica is a B2B sales acceleration partner for mid-market and enterprise companies.”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceDenver, CO, United StatesHQ checked Sep 29, 202651-200455 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceNagpur, IndiaHQ checked Sep 29, 202651-200387 contacts →

Indirect evidence

“TLM empowers businesses to generate revenue through their qualified leads.”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceAustin, TX, United StatesHQ checked Sep 29, 2026201-500377 contacts →

Partial evidence

“EBQ is an outsourced sales and marketing organization that provides services to help companies scale.”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceSao Jose Do Rio Preto, BrazilHQ checked Sep 29, 2026501-1,000376 contacts →

Partial evidence

“A Cobmax é uma Sales Center com inteligência em vendas, fruto de metodologia própria, testada e aprovada em 11 anos de experiência.”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidencePhiladelphia, United StatesHQ checked Sep 29, 2026201-500349 contacts →

Partial evidence

“FunnL was built on a revolutionary idea: B2B companies don’t need more leads-they need more qualified sales meetings with decision-makers.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceHuixquilucan, MexicoHQ checked Sep 29, 2026n/a340 contacts →

Indirect evidence

“En Freelan, creemos que el crecimiento sostenible no es fruto del azar, sino de un sistema bien diseñado.”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidenceNashville, TN, United StatesHQ checked Sep 29, 2026201-500339 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceCarlsbad, CA, United StatesHQ checked Sep 29, 202651-200317 contacts →

Indirect evidence

“Buffini & Company is the largest coaching and training company in North America.”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 2026n/a292 contacts →

Partial evidence

“Construction Sector/B2B Brand Strategy, Marketing & Business Development INDUSTRI® is a multi-faceted business development consultancy that focuses on key areas of an organization…”

Source: RevenueBase Database · checked Sep 29, 2026
21Partial evidenceFishers, IN, United StatesHQ checked Sep 29, 202651-200268 contacts →

Partial evidence

“At Sales Xceleration, we help businesses accelerate revenue growth through our Certified Sales Operating Management System™ and the guidance of our Fractional Sales Leaders.”

Source: RevenueBase Database · checked Sep 29, 2026
22Partial evidenceStockholm, SwedenHQ checked Sep 29, 2026501-1,000263 contacts →

Partial evidence

“Every year Mercuri International empowers companies in over 50 countries to achieve sales excellence.”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceMumbai, IndiaHQ checked Sep 29, 202651-200240 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceMesa, AZ, United StatesHQ checked Sep 29, 202651-200239 contacts →

Partial evidence

“Corporate Visions is the leading provider of evidence-based sales training, messaging, and revenue enablement solutions for B2B companies around the globe.”

Source: RevenueBase Database · checked Sep 29, 2026
25Strong evidencePensacola, FL, United StatesHQ checked Sep 29, 202651-200223 contacts →

Strong evidence

“Founded in 2016 and headquartered in Pensacola, Florida, MarketJoy is a B2B lead generation, appointment generation and sales development partner built to deliver predictable…”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 23,909 sales development consultancies worldwide

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Sales development consultancies worldwide at a glance

As of Sep 29, 2026
14.8%Verified-email coverage
5.1Average contacts per company
1-10Median size (employees)
3.2%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
19,086
11-50
3,929
51-200
679
201-500
128
501-1,000
31
1,001-5,000
15
5,001-10,000
5
10001+
9

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among sales development consultancies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for sales development consultancies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “sales development consultancies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names sales development consultancies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among sales development consultancies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 18,010 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Sales development consultancies by location

100 lists · largest first

Every Sales development consultancies 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names sales development consultancies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many sales development consultancies are there worldwide?

RevenueBase identified 23,909 sales development consultancies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Webhelp Enterprise, headquartered in Paris, tops this list with the largest team on record.

Which country has the most sales development consultancies?

The United States leads with 4,895 companies, followed by the United Kingdom (2,311) and Brazil (1,363). Every sales development consultancies list by country and city is linked on this page.

Which city has the most sales development consultancies?

London leads with 758 headquartered companies, followed by Sao Paulo (365) and Paris (227).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 18,010 verified decision-maker contacts tracked across these 23,909 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.