Company lists · Data refreshed September 2026

Top 25 Sdr services providers worldwide

RevenueBase identified 1,982 company matches for sdr services providers worldwide as of September 2026 and tracks 18,359 professional contacts across them, including 2,498 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for sdr services providers 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 29, 2026. Country and city lists for sdr services providers 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 29, 2026 How this list was built
1,982Companies
18,359Contacts tracked
2,498Verified emails
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The 25 largest sdr services providers worldwide

Ranked by team size
Top 25 of 1,982 company matches for sdr services providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchTysons, VA, United StatesHQ recorded Sep 29, 2026501-1,000825 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 29, 2026 · View company records in RevenueBase
2Exact matchRedwood City, CA, United StatesHQ recorded Sep 29, 2026n/a708 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 29, 2026 · View company records in RevenueBase
3Exact matchAthens, GA, IndiaHQ recorded Sep 29, 2026201-500553 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 29, 2026 · View company records in RevenueBase
4Exact matchSterling Heights, MI, United StatesHQ recorded Sep 29, 202651-200528 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 29, 2026 · View company records in RevenueBase
5Exact matchSan Jose, CA, United StatesHQ recorded Sep 29, 2026201-500523 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchDenver, CO, United StatesHQ recorded Sep 29, 202651-200455 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchNagpur, IndiaHQ recorded Sep 29, 202651-200387 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchPhiladelphia, United StatesHQ recorded Sep 29, 2026201-500349 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchPensacola, FL, United StatesHQ recorded Sep 29, 202651-200223 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 29, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-200205 contacts →

Exact match

“EngageTech is the leading sales development partner for complex B2B technology companies operating in multi-stakeholder, enterprise sales environments.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchWashington D.c., WA, United StatesHQ recorded Sep 29, 202651-200188 contacts →

Exact match

“Salaria Sales Solutions is a B2B lead generation and sales development agency.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchCopley, OH, United StatesHQ recorded Sep 29, 202651-200185 contacts →

Exact match

“Concept develops and implements comprehensive B2B lead generation and sales development solutions for companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchRemote, United StatesHQ recorded Sep 29, 202651-200174 contacts →

Exact match

“We provide outsourced demand generation for companies looking to aggressively expand their revenue opportunities.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchDover, NH, United StatesHQ recorded Sep 29, 2026n/a163 contacts →

Exact match

“Chameleon Group is a leading provider of outsourced business development and sales services, delivering customizable business-to-business, channel, call center and direct sales…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchLehi, UT, United StatesHQ recorded Sep 29, 20261,001-5,000124 contacts →

Exact match

“Boom Demand is an Lead Generation & Customer Acquisition powerhouse that will help you increase revenue and grow your customer base.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchSheridan, WY, United StatesHQ recorded Sep 29, 202651-200118 contacts →

Exact match

“Scalemill helps B2B SaaS companies start the right conversations with the right people.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchToronto, ON, CanadaHQ recorded Sep 29, 202651-200118 contacts →

Exact match

“The Sales Factory is a recognized category leader in Outsourced Sales and Lead Generation globally trusted by fast growing scaleups, banks, governments, and S & P500 companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchExeter, United KingdomHQ recorded Sep 29, 202651-200116 contacts →

Exact match

“Since 2016, Air Marketing has been the trusted outsourced sales and lead generation agency in the UK for ambitious B2B businesses.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Sep 29, 202651-200115 contacts →

Exact match

“More than SDR Outsourcing.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchBoca Raton, FL, United StatesHQ recorded Sep 29, 202651-200114 contacts →

Exact match

“SalesRoads is an award-winning B2B sales outsourcing firm providing appointment setting and lead generation services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchPaphos, CyprusHQ recorded Sep 29, 202651-200114 contacts →

Exact match

“Welcome to Amiy, where innovation meets experience in B2B Outbound Sales & Business Development.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Sep 29, 202651-200112 contacts →

Exact match

“Simplify your approach to developing quality leads and driving revenue growth across APAC by partnering with SalesPond inside sales experts.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 29, 202651-200112 contacts →

Exact match

“Why Launch Leads?”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-200100 contacts →

Exact match

“Green Leads provides Pipeline Generation services to the Tech & SaaS industry, globally.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchWilson, NC, United StatesHQ recorded Sep 29, 202611-5098 contacts →

Exact match

“North State Consulting is more than a business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 1,982 sdr services providers worldwide

See the full list, filter by size, metro and specialty, and access 2,498 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sdr services providers worldwide at a glance

As of Sep 29, 2026
13.6%Verified-email coverage
9.3Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,284
11-50
554
51-200
121
201-500
15
501-1,000
3
1,001-5,000
3
10001+
1

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 sdr services providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “sdr services providers” 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 2,498 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 29, 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.

Sdr services providers by location

10 lists · largest first

Every Sdr services providers 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 “sdr services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sdr services providers are there worldwide?

RevenueBase identified 1,982 company matches for sdr services providers 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?

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

Which country has the most sdr services providers?

The United States leads with 473 companies, followed by the United Kingdom (161) and India (160). Every sdr services providers list by country and city is linked on this page.

Which city has the most sdr services providers?

London leads with 66 company records, followed by Sao Paulo (30) and Pune (27).

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 2,498 professional contacts with verified work emails tracked across these 1,982 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 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 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.