Company lists · Data refreshed September 2026
Top 25 Sales development representatives worldwide
RevenueBase identified 524 sales development representatives worldwide as of September 2026 and tracks 6,009 professional contacts across them, including 1,063 with verified work emails. The United States is the largest market and London the largest hub.
This list covers sales development representatives 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 22, 2026. Country and city lists for sales development representatives 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.
The 25 largest sales development representatives worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 825 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 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 523 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 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 223 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 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 205 contacts → | ||||
Strong evidence “EngageTech is the leading sales development partner for complex B2B technology companies operating in multi-stakeholder, enterprise sales environments.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 185 contacts → | ||||
Strong evidence “Concept develops and implements comprehensive B2B lead generation and sales development solutions for companies.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 148 contacts → | ||||
Partial evidence “For 15 years, we steadily are providing face to face appointments to keep your sales people busy.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 141 contacts → | ||||
Partial evidence “Sales Hacker Top 10 Sales Leadership Winner Best Sales Training Program by Hubspot.com Top Tech Sales Bootcamp by CareerKarma Only sales program specializing in mastering SaaS…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 124 contacts → | ||||
Indirect evidence “Boom Demand is an Lead Generation & Customer Acquisition powerhouse that will help you increase revenue and grow your customer base.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 118 contacts → | ||||
Indirect evidence “Scalemill helps B2B SaaS companies start the right conversations with the right people.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 116 contacts → | ||||
Partial evidence “Since 2016, Air Marketing has been the trusted outsourced sales and lead generation agency in the UK for ambitious B2B businesses.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 115 contacts → | ||||
Indirect evidence “More than SDR Outsourcing.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 112 contacts → | ||||
Indirect evidence “Why Launch Leads?” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 98 contacts → | ||||
Indirect evidence “North State Consulting is more than a business.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 98 contacts → | ||||
Indirect evidence “Start closing deals with the help of our SDRs and extensive business data.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 56 contacts → | ||||
Indirect evidence “Formamos a personas para conseguir teletrabajo, con contrato fijo y en empresas con proyección, donde puedan crecer alumnos formados +120 empresas colaboradoras Garantía de…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 53 contacts → | ||||
Indirect evidence “Start filling your pipeline now!” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 49 contacts → | ||||
Partial evidence “SalesUP helps you boost your sales pipeline using fully-trained SDRs that fill your calendar with qualified meetings set through cold calling.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 41 contacts → | ||||
Indirect evidence “Agidrive aide les entreprises à se développer au niveau commercial en prospectant pour elles tout en permettant à nos collaborateurs de vivre une expérience professionnelle…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 41 contacts → | ||||
Indirect evidence “Webbee Digital | SDR & Outreach Partner We are proud to be the SDR and Outreach partner for some of the world’s biggest and boldest companies: Cisco, WeWork, Oracle, Matrix, AWS…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 41 contacts → | ||||
Indirect evidence “TrainYo is creating fair opportunities for all in the technology sector We also believe hiring and training is kinda tough!” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 40 contacts → | ||||
Indirect evidence “Somos a Comeet, trabalhamos para permitir que nossos clientes direcionem sua energia no fechamento de bons contratos.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 39 contacts → | ||||
Partial evidence “DMT Business Development is leading a B2B lead generation & appointment-setting agency headquartered in Ottawa, Canada.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 38 contacts → | ||||
Indirect evidence “Seventic, acteur majeur du développement commercial à forte valeur ajoutée répond à vos besoins de croissance.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 37 contacts → | ||||
Strong evidence “Key Outreach is an Outsourced Sales Development Company that allows growth-focused start-ups, agencies, and client service companies to maximize their sales efforts by providing a…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 36 contacts → | ||||
Strong evidence “We're a B2B Lead Generation and Sales Development firm that helps companies and/or high-level sales and marketing teams who: 1.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: sales development representatives. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names sales development representatives.
- Partial evidence
- Its own public description names part of sales development representatives, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name sales development representatives. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 524 sales development representatives worldwide
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Sales development representatives worldwide at a glance
As of Sep 22, 2026Companies by employee count
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 representatives, 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 representatives are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “sales development representatives”. 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 representatives), 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 representatives, 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, 1,063 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 22, 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 representatives by location
2 lists · largest firstEvery Sales development representatives list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 representatives, 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 representatives are there worldwide?
RevenueBase identified 524 sales development representatives 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?
Memoryblue, headquartered in Tysons, tops this list with the largest team on record.
Which country has the most sales development representatives?
The United States leads with 148 companies, followed by the United Kingdom (48). Every sales development representatives list by country and city is linked on this page.
Which city has the most sales development representatives?
London leads with 27 headquartered companies, followed by San Francisco (12) and Sao Paulo (11).
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 1,063 verified decision-maker contacts tracked across these 524 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 22, 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.