Key takeaways
- This directory lists 207 lead generation, appointment setting and outsourced sales development companies, from specialist agencies to large contact centers.
- Firms differ in channel (phone, email, LinkedIn), target market, where their reps work and how they define a qualified meeting.
- The list is updated weekly. Suggest additions or corrections at sales@kensingtonsalesgroup.com.
What lead generation companies do
Lead generation companies find potential buyers for their clients and turn them into qualified sales conversations.
Most B2B lead generation firms combine research, outbound calling, email and LinkedIn outreach. Many go one step further and book meetings directly onto their clients' calendars, which is why the industry also goes by appointment setting, outsourced SDR or outsourced BDR services. Others focus on a single channel, such as cold email, or operate at contact-center scale across sales and customer service.
Types of lead generation companies
- Appointment setting and outsourced SDR firms run phone-led outreach and book qualified meetings for a client's account executives.
- Email and LinkedIn agencies focus on digital outreach sequences, often at high volume.
- Contact centers and BPOs offer outbound sales alongside customer service at large scale.
- Specialist firms focus on one market, such as government, healthcare or technology buyers.
How to choose a lead generation company
- Match the market. Ask for experience with your buyers. Selling to government or utilities is different from selling to SaaS startups.
- Ask about channels. Phone-led, email-led and LinkedIn-led programs produce different conversations.
- Define a qualified meeting in writing before you start.
- Ask who the reps are: their experience, where they work and how many accounts each one covers.
- Check reporting: meetings, pipeline and the market intelligence you get from each conversation.
- Talk to current clients.
Selling to the public sector? See our comparison of Fed and SLED appointment setting companies.
Directory of lead generation companies
Listed alphabetically. Showing all 207 companies.
Jump to: # A B C D E F G H I J K L M N O P Q R S T U V W X Y
| Company | Location | Focus |
|---|---|---|
| # | ||
| 511 Enterprises (Five Eleven Enterprises) | — | — |
| A | ||
| Abstract Marketing Group | — | — |
| Acclivus | — | — |
| Acquirent (Vorsight, LeadJen) | Evanston, IL; Indianapolis, IN | — |
| Advanced Customer Services | — | — |
| Agile B2B Sales | Buenos Aires, Argentina | — |
| airSales | — | — |
| Alleyoop | — | — |
| Alliance DMS | — | — |
| Alorica | — | — |
| Amiy | Vietnam | — |
| Atlantic Growth Solutions | — | — |
| Avadel | Fort Worth, TX | — |
| Avtex | — | — |
| B | ||
| Bandalier | Binghamton, NY; remote | — |
| Belkins | — | — |
| Blissful Prospecting | — | — |
| BlueWhale Research | Philippines | — |
| Boomsourcing | — | — |
| Boxpilot | Toronto, Canada | — |
| Branch49 | Phoenix, AZ | — |
| Business Brainz | — | — |
| By Appointment Only (BAO) | Waltham, MA; Scottsdale, AZ | — |
| C | ||
| C-Level Connections | — | — |
| callzilla | — | — |
| CBI Marketing Solutions | — | — |
| CC Capital Group | — | — |
| Chameleon Group | — | — |
| Cience | — | — |
| CloudTask | Miami, FL; Medellín, Colombia | — |
| COACT | Cleveland, OH | — |
| Concentrix | — | — |
| Concept Services | Ohio | — |
| CustomerSpeak | — | — |
| D | ||
| Demand Inc. | — | — |
| demandDrive | Boston area; New Hampshire | — |
| DemandGen | — | — |
| DemandZen | Remote | — |
| DoublePositive | Baltimore, MD; Phoenix, AZ | — |
| DWCC | Bristol, UK; Australia | — |
| E | ||
| ebQuickstart | — | — |
| eCoastSales | — | — |
| EIMS | — | — |
| The Endurance Group | Portland, ME | — |
| eRational Marketing | — | — |
| Exaltaret | New York, NY | — |
| Extended Presence | — | — |
| F | ||
| Fair Trade Outsourcing | Philippines; Philadelphia, PA | — |
| FaZZ Media | Texas | LinkedIn-led |
| First Direct | — | — |
| Frontline Selling | — | — |
| Full Potential Solutions | — | Customer retention |
| G | ||
| Gabriele Pfeifer Telefonmarketing | Germany | — |
| GetSales | Austin, TX | — |
| Good Leads | — | — |
| GovTarget | — | Government |
| Graven Austin Drake | — | — |
| Green Leads | — | — |
| Growth Orbit | Atlanta, GA | — |
| H | ||
| Hemmersbach | — | — |
| Hudson Management Services | — | — |
| Hypergen | — | Email-led |
| Hypofusion | — | — |
| I | ||
| IBEX | — | — |
| Idea2Result | — | — |
| Incendium Strategies | Washington, DC; remote | Email and LinkedIn |
| Incept Results | — | — |
| Infinity | Cedar Rapids, IA; Michigan | — |
| Infobeing Solutions | — | — |
| innoSource | — | — |
| Inside CRO | — | — |
| The Inside Sales Consulting | Hyderabad, India | — |
| Inside Sales Inc | — | — |
| Inside Sales Solutions | — | — |
| Insource Leads | Houston, TX | — |
| Intelemark | — | — |
| Internal Results | — | — |
| Invenio Solutions | Austin, TX | — |
| J | ||
| JanuarySix | Philippines | — |
| JumpCrew | Nashville, TN | — |
| K | ||
| Kensington Sales Group That's us | Kensington, MD | Government and utilities |
| KLA Group | — | — |
| Kopp Consulting | — | — |
| L | ||
| Launch Leads | — | — |
| The Lead Catalyst | Roseville, CA | — |
| Lead Generators International | Vancouver, Canada | — |
| The Lead Market | Remote (global) | Email-led |
| LeadBaller | — | LinkedIn-led |
| LeadDirect | Philippines | — |
| Leadium | Ukraine; Dominican Republic; Serbia | — |
| Leads Accelerate | — | — |
| LeadsBIXample | — | — |
| Lease a Sales Rep | Miami, FL; New York; North Carolina | — |
| ListenTrust | — | — |
| M | ||
| Managed Sales Pros | — | — |
| Mansfield Sales Partners | Andover, MA | — |
| MarketJoy | — | — |
| MarketLauncher | — | — |
| MarketOne | — | — |
| Marketopia | — | — |
| MarketSource | — | — |
| MarketStar | — | — |
| Martal Group | Toronto, Canada; United States | — |
| MeetingMaster | — | — |
| MeetingWorks | — | — |
| memoryBlue | Tysons, VA | — |
| MeritDirect | — | — |
| MRP | — | — |
| N | ||
| N3 | Atlanta, GA | — |
| NextSales | — | — |
| NextSales LLC | — | — |
| NIH Research & Consulting | Baltimore–Washington, DC area | — |
| North End Teleservices | — | — |
| O | ||
| OmniEngine | — | — |
| OnBrand24 | — | — |
| One of a Kind Solutions | — | — |
| OnPoint Prospecting Inc. | Philippines | — |
| OnTarget Partners | Dallas–Fort Worth, TX | — |
| Operatix | Dallas–Fort Worth, TX; England | — |
| OppSource | — | — |
| Outbound Advantage | — | — |
| OutboundView | Franklin, TN | — |
| OutboundWorks | — | — |
| Overpass | — | — |
| P | ||
| PeakSales | — | — |
| Pedowitz Group | — | — |
| The Pipeline Group | — | — |
| The Pisa Group | St. Louis, MO; Dallas, TX | — |
| The Point Company | Mexico; London, UK; Philippines | Multilingual appointment setting |
| Power To Be Found | — | — |
| Prospect Stream | — | — |
| ProspectHunter | Dallas–Fort Worth, TX | — |
| ProspectorWorks | — | — |
| Prospectr Marketing | — | — |
| The PT Services Group | Pittsburgh, PA | — |
| PureB2B | — | — |
| Q | ||
| QCSS | Des Moines, IA; Chicago, IL | — |
| QEDBaton | — | — |
| QuotaFactory | — | — |
| R | ||
| ReachForce | — | — |
| Red Ventures | — | — |
| RevBoss | North Carolina | Email-led |
| Reveneer | Boston, MA | Full-cycle sales |
| Revenu Factor | — | — |
| Revenue Accelerator | Vancouver, Canada; Philippines; India | — |
| Revenue Stream Caribe | — | — |
| RevenueZen | — | — |
| REVGEN | Raleigh, NC | — |
| Ryla | — | — |
| S | ||
| S-Squared Solutions | — | — |
| Sage Outsource Solutions | Miami, FL | — |
| Salaria Sales Solutions | Philippines; Arlington, VA | — |
| Salelytics | Appleton, WI | — |
| Sales Cresco Group | — | — |
| Sales Empowerment Group | Remote (US) | — |
| Sales Focus Inc. (SFI) | Washington, DC area | — |
| Sales Partnerships | — | — |
| Sales Roads | Fort Lauderdale, FL | — |
| Sales Xceleration | — | — |
| SalesAladin | — | — |
| SalesChazers | Portland, OR; Seattle, WA | — |
| salesconx | — | — |
| SalesFish | — | — |
| SalesGig | Lake Zurich, IL | — |
| SalesHive | Colorado; remote (US) | — |
| Salesify | — | — |
| SalesPipe | Remote (US) | — |
| SalesPond | — | — |
| Sapper Consulting | St. Louis, MO | — |
| ScaleX | — | — |
| SDRemote | — | — |
| Seed2C | Remote (South America) | On-demand SDRs |
| The Selling Factory | Gainesville, FL | — |
| SellX | North Dakota; remote | — |
| SmartLead | — | — |
| Solvo Global | — | — |
| Span Global Services | — | — |
| SSM: Strategic Sales & Marketing, Inc | — | — |
| Superhuman Prospecting | Philadelphia, PA | — |
| Sutherland | — | — |
| Synergy Solutions | — | — |
| T | ||
| Telebiz | Pakistan | — |
| Teleperformance | — | — |
| TelePro | — | — |
| TeleReach, Inc. | Remote | — |
| Televerde | — | — |
| Telnet Marketing | — | — |
| Teravertical | — | — |
| Terminkönig | Germany | — |
| Top Line Flow | — | — |
| Tributary Sales Resources | Naperville, IL | — |
| Trident Marketing | — | — |
| U | ||
| Upcall | — | — |
| V | ||
| Verse | — | — |
| Veth Group | Connecticut; Indiana | — |
| Virtual Appoint | — | — |
| Virtual Expert Solutions | — | — |
| VSA Prospecting | Philadelphia area | — |
| Vsynergize | — | — |
| W | ||
| WebHelp | — | — |
| WhoKnows | Remote (Philippines, Eastern Europe, US) | — |
| WinDifferent | — | — |
| Winn Tech | — | — |
| Wishpond | — | Marketing and SDRs |
| X | ||
| Xync | Seattle, WA; San Francisco, CA; Los Angeles, CA | — |
| Y | ||
| YourSales | Remote (global) | Email and social |
| YourSellingTeam | — | — |
Compiled by Kensington Sales Group from public sources and industry knowledge. Inclusion is not an endorsement, and details can change; check each company's website. To add or correct a listing, email sales@kensingtonsalesgroup.com.
About Kensington Sales Group
We're a government sales and business development firm founded in 2016 in Kensington, Maryland. We embed dedicated SDRs in our clients' sales teams to reach federal, state and local agencies, education, healthcare, tribal governments, special districts and utilities, and we work in English and Spanish. See our B2G lead generation service.