01
CIENCE
Human-driven, machine-powered lead generation
A human-driven and machine-powered lead generation agency that offers outsourced sales development services, targeted data building, and multi-channel outreach.
95.0
CIENCE suits growing tech firms needing multi-channel outreach and dedicated sales development reps. Salesbread fits companies looking for hyper-personalized LinkedIn campaigns and fast, organic lead generation. Operatix is ideal for enterprise software businesses requiring complex sales cycles and strategic pipeline development.
RANKENTRYSCORETRENDFROM
1
CIENCECIENCE operates its own proprietary data platform called GO DATA to build targeted prospect lists.95.0NEWCustom
CIENCECIENCE operates its own proprietary data platform called GO DATA to build targeted prospect lists.95.0NEWCustom2
SalesbreadSalesbread guarantees one qualified lead per week or they pause billing until they deliver.92.7NEW$4,500 per month
SalesbreadSalesbread guarantees one qualified lead per week or they pause billing until they deliver.92.7NEW$4,500 per month3
OperatixOperatix specializes in complex enterprise sales cycles and account-based marketing strategies.90.3NEWCustom
OperatixOperatix specializes in complex enterprise sales cycles and account-based marketing strategies.90.3NEWCustom4
DemandZENDemandZEN provides fully US-based sales development representatives for calling campaigns.88.0NEWCustom
DemandZENDemandZEN provides fully US-based sales development representatives for calling campaigns.88.0NEWCustom5
BelkinsBelkins manages over one million verified email contacts and boasts high inbox deliverability rates.85.7NEWCustom
BelkinsBelkins manages over one million verified email contacts and boasts high inbox deliverability rates.85.7NEWCustom6
MemoryBlueMemoryBlue operates an alumni network that often hires out its trained sales reps to client companies.83.3NEWCustom
MemoryBlueMemoryBlue operates an alumni network that often hires out its trained sales reps to client companies.83.3NEWCustom7
Internal ResultsInternal Results uses proprietary intent data algorithms to identify active buyers in global markets.81.0NEWCustom
Internal ResultsInternal Results uses proprietary intent data algorithms to identify active buyers in global markets.81.0NEWCustom8
LeadsPleaseLeadsPlease has been providing direct marketing data and mailing lists to businesses for decades.78.7NEWUnder $100 for basic lists
LeadsPleaseLeadsPlease has been providing direct marketing data and mailing lists to businesses for decades.78.7NEWUnder $100 for basic lists9
Martal GroupMartal Group pairs clients with senior sales executives who have deep regional industry networks.76.3NEWCustom
Martal GroupMartal Group pairs clients with senior sales executives who have deep regional industry networks.76.3NEWCustom10
CallboxCallbox integrates email, phone, social media, and web touchpoints into a unified marketing cadence.74.0NEWCustom
CallboxCallbox integrates email, phone, social media, and web touchpoints into a unified marketing cadence.74.0NEWCustomLAST UPDATED 2026-07-20CURATED · UPDATED REGULARLY
The ranking, in detail
02
Salesbread
We bring you B2B sales leads without the guesswork
A boutique lead generation agency focusing almost exclusively on LinkedIn outreach and cold email strategies to secure qualified B2B appointments.
92.7
03
Operatix
Sales acceleration for B2B software
An outsourced sales and lead generation partner designed specifically for B2B software and technology vendors selling into enterprise accounts.
90.3
04
DemandZEN
B2B lead generation and demand generation services
An integrated lead generation and digital marketing agency providing inbound and outbound services, content creation, and lead nurturing.
88.0
05
Belkins
Predictable B2B pipeline growth
A prominent B2B lead generation and appointment setting agency helping businesses build predictable sales pipelines through cold email and LinkedIn.
85.7
06
MemoryBlue
Accelerating tech sales
A professional services firm that boosts sales capacity for high-tech clients through turnkey inside sales talent and lead generation campaigns.
83.3
07
Internal Results
B2B demand generation and intent data experts
A global demand generation agency leveraging intent data and multi-channel marketing to deliver sales-ready leads for B2B enterprises.
81.0
08
LeadsPlease
Accurate mailing lists and sales leads
A self-service and assisted data provider delivering targeted B2B mailing lists, email lists, and consumer sales leads.
78.7
09
Martal Group
Global sales-as-a-service
A global sales-as-a-service agency providing dedicated B2B lead generation specialists, account executives, and full-cycle sales execution.
76.3
10
Callbox
Global B2B lead generation and appointment setting
A multi-channel lead generation company offering database services, appointment setting, and marketing automation for global enterprises.
74.0
Frequently asked questions
What is a B2B lead generation agency?
A B2B lead generation agency is an external partner that helps businesses find, engage, and qualify potential corporate buyers through channels like cold email, cold calling, LinkedIn, and content marketing.
How much do B2B lead generation agencies typically cost?
Costs vary significantly based on the scope of work, ranging from a few thousand dollars per month for targeted email campaigns to custom enterprise pricing for full-cycle outsourced sales teams.
What is the difference between data providers and full-service agencies?
Data providers simply sell contact lists for you to outreach independently, whereas full-service agencies actively execute the outreach campaigns, book meetings, and nurture prospects on your behalf.
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