Top Lead Generation Companies Worldwide in 2025

EmailMiners is an Indian B2B lead generation service provider company. They provide high quality warm leads to their clients. They have started prodigy their services since 2017 and have given successful results to their clients. Apart from lead generation they offer Linkedin lead generation, campaign management, appointment booking, cold email outreach and many more services.

LevelUp Leads is a sales development and appointment setting agency. Our team becomes your sales development engine, providing the people, data, technology, and campaign execution to give you more selling opportunities. We manage everything from data sourcing to copywriting to campaign management, creating more pipeline and revenue for your business.

For more than 12 years, TBG Group has provided marketing services in the B2B and B2C industries. They provide services in their telemarketing and digital marketing categories. It involves services like Email marketing, lead generation, data services, and many more. Also, their work culture is plan-do-check-act based, giving their clients transparency and quality assurance.

Kimmunicationplus is a B2B calling service provider. With more than 15 years of experience in the calling field, they have created icebreakers that help convert prospects into customers. They also provide research and consultancy services apart from calling. Their packages include combined services of pre-calling, MIS access, and post-calling analysis services. However, clients can connect with them to get their plan according to their requirements.

Flowd is a sales and lead generation company with 10 years of experience in the B2B domain. They provide their services in 100+ countries with offices in the US, UK, and Europe. Their services are available for industries like SaaS, tech, marketing, IT, and more. According to the client's requirements, they provide semi or fully-managed services including lead generation, strategizing, and after-sales support.

Started in 2018, SalesGent has been providing lead generation services to its clients and finding high-quality leads from around 86 countries. They use Email and LinkedIn for prospecting purposes. They have a pay-per-qualified-lead process that implants trust in their clients' minds before working with them that quality could be expected from their prospecting efforts.

Finelis provides services in 4 sections. Sales, CRM, Marketing, and Operations. They are a small team that is gaining big achievements for their clients. They provide outsourcing, email marketing, lead generation, and many other services.

Winbound is a B2B marketing and digital strategy consulting agency based in France. It is focused on solving issues related to lead generation, marketing, CRM management, and more for its clients. To give its clients a top-notch experience, Winbound has partnered with many marketing platforms, such as LinkedIn Sales Navigator, Hubspot, nominations, and more.

Growth Room is a growth marketing company. They are experts in 3 areas, namely campaigns, digital prospecting, and SEO. They provide services in outbound, growth ads, SEO, B2B digital prospecting, SEO strategy, Hubspot CRM: integration and deployment. They believe that growth marketing agencies should be focused on their expertise and that's how they also operate.

Okedito is a France-based marketing and revops operation service providing agency. They offer lead generation, running online ads, social selling, and digital strategy-building services. They also provide Hubspot services like CRM, customer services, and their marketing automation. Apart from this, they also offer training and coaching services.

LA Growth Agence is a growth marketing and training service provider. They offer a range of online campaign services, including Google, TikTok, Meta, LinkedIn prospecting, and more. They also have a domain health checker section where users can check the health scores of their domains, which is quite helpful.

Vision Strategy Marketing is a Canadian B2B lead generation and telemarketing agency that generates demand through brand awareness, content creation, and email campaigns. They have years of experience and provide winning lead generation campaigns.

Predictable Revenue is a lead generation agency that uses a popular framework, as mentioned in the book Predictable Revenue, written by the agency's founder. The agency believes in providing predictable outcomes to its clients. It provides services like outsourced SDRs, sales consulting, and more.

Growth Rhino is a trusted partner in launching outbound campaigns. Their cold email open rates consistently range between 40% to 80%, with Click-Through Rates from 15% to 35%. Their strategies generate 10 to 25 conversations with high-value prospects who would otherwise remain out of reach.

iSmart Communications is a Singapore-based AI-focused B2B lead generation agency. They believe in being transparent and trustworthy to their clients. For that, they are also a part of the PDPA group for providing safe data. Their services include B2B lead generation, database providing, telemarketing, and AI-focused services like AI content creation, AI sales development, and more.

EmailMiners is an Indian B2B lead generation service provider company. They provide high quality warm leads to their clients. They have started prodigy their services since 2017 and have given successful results to their clients. Apart from lead generation they offer Linkedin lead generation, campaign management, appointment booking, cold email outreach and many more services.

LevelUp Leads is a sales development and appointment setting agency. Our team becomes your sales development engine, providing the people, data, technology, and campaign execution to give you more selling opportunities. We manage everything from data sourcing to copywriting to campaign management, creating more pipeline and revenue for your business.

For more than 12 years, TBG Group has provided marketing services in the B2B and B2C industries. They provide services in their telemarketing and digital marketing categories. It involves services like Email marketing, lead generation, data services, and many more. Also, their work culture is plan-do-check-act based, giving their clients transparency and quality assurance.

Kimmunicationplus is a B2B calling service provider. With more than 15 years of experience in the calling field, they have created icebreakers that help convert prospects into customers. They also provide research and consultancy services apart from calling. Their packages include combined services of pre-calling, MIS access, and post-calling analysis services. However, clients can connect with them to get their plan according to their requirements.

Flowd is a sales and lead generation company with 10 years of experience in the B2B domain. They provide their services in 100+ countries with offices in the US, UK, and Europe. Their services are available for industries like SaaS, tech, marketing, IT, and more. According to the client's requirements, they provide semi or fully-managed services including lead generation, strategizing, and after-sales support.

Started in 2018, SalesGent has been providing lead generation services to its clients and finding high-quality leads from around 86 countries. They use Email and LinkedIn for prospecting purposes. They have a pay-per-qualified-lead process that implants trust in their clients' minds before working with them that quality could be expected from their prospecting efforts.

Finelis provides services in 4 sections. Sales, CRM, Marketing, and Operations. They are a small team that is gaining big achievements for their clients. They provide outsourcing, email marketing, lead generation, and many other services.

Winbound is a B2B marketing and digital strategy consulting agency based in France. It is focused on solving issues related to lead generation, marketing, CRM management, and more for its clients. To give its clients a top-notch experience, Winbound has partnered with many marketing platforms, such as LinkedIn Sales Navigator, Hubspot, nominations, and more.

Growth Room is a growth marketing company. They are experts in 3 areas, namely campaigns, digital prospecting, and SEO. They provide services in outbound, growth ads, SEO, B2B digital prospecting, SEO strategy, Hubspot CRM: integration and deployment. They believe that growth marketing agencies should be focused on their expertise and that's how they also operate.

Okedito is a France-based marketing and revops operation service providing agency. They offer lead generation, running online ads, social selling, and digital strategy-building services. They also provide Hubspot services like CRM, customer services, and their marketing automation. Apart from this, they also offer training and coaching services.

LA Growth Agence is a growth marketing and training service provider. They offer a range of online campaign services, including Google, TikTok, Meta, LinkedIn prospecting, and more. They also have a domain health checker section where users can check the health scores of their domains, which is quite helpful.

Vision Strategy Marketing is a Canadian B2B lead generation and telemarketing agency that generates demand through brand awareness, content creation, and email campaigns. They have years of experience and provide winning lead generation campaigns.

Predictable Revenue is a lead generation agency that uses a popular framework, as mentioned in the book Predictable Revenue, written by the agency's founder. The agency believes in providing predictable outcomes to its clients. It provides services like outsourced SDRs, sales consulting, and more.

Growth Rhino is a trusted partner in launching outbound campaigns. Their cold email open rates consistently range between 40% to 80%, with Click-Through Rates from 15% to 35%. Their strategies generate 10 to 25 conversations with high-value prospects who would otherwise remain out of reach.

iSmart Communications is a Singapore-based AI-focused B2B lead generation agency. They believe in being transparent and trustworthy to their clients. For that, they are also a part of the PDPA group for providing safe data. Their services include B2B lead generation, database providing, telemarketing, and AI-focused services like AI content creation, AI sales development, and more.