Top Cold Email Companies Worldwide in 2025

Lead Walnut is a marketing and lead-generation service provider that has been giving constant results to its clients for years. They provide 10X results for their clients with their marketing tactics. They offer services in categories like SEO, digital enhancements, and lead generation. They focus on growing the sales funnel of their clients.

Outbound Sales Pro offers outsourcing services for sales professionals and helps them grow exponentially. Their services include providing a sales team as per your requirement, cold emailing and cold calling, Linkedin automation, and managing sales pipelines with the best AI sales tools.

GroomLead is a lead generation agency based in India. It offers highly personalized and highly scalable lead generation services to its clients. Currently, it only works with B2B clients and charges only for the results it brings to its clients.

B2B Leads Corporate is a lead generation marketing agency from India. They provide multiple marketing, sales, administrative, and operations support services for their clients. They have been providing lead generation services since 2018, giving them years of experience in the field.

MailYourProspect is a lead generation agency. They provide customized lead generation services. They offer complete outsourcing services as well as in-house services where they extend their client's existing team. Apart from this they also offer Google reseller, Whatsapp, and SMS outreach, too!

YellowKyte is a lead-generation agency based in India. It is run by Siddharth Sharma, who has 15+ years of experience in marketing and sales. The founder himself offers guidance and strategy-building ideas to its clients.

LeadRoad is a lead generation agency run by a brother-sister duo with a team of experts. They mainly offer growth consultancy and appointment booking services. Additionally, they also offer operation optimization.

Amplior is an India lead generation company. They have a team of graphic designers, content and copywriters, and experts who can strategize and drive the results for their clients. Their goal is to make their clients reach the optimum sales capacity that they can.

Exotto is an Indian lead generation service provider. Its team consists of experts and creatives who leverage their skills to accelerate their clients' lives. In addition to basic lead generation, Exotto offers B2B digital marketing, appointment booking, data management, and CRM integration and management services.

Groww Leads is a B2B lead generation agency based out of India. They also offer clients services like linkedin prospecting, management, and targeted list building. Building a list where targets are highly interested and finding the right decision makers who complete as well as enhance the prospecting process is their complete set of services.

DemandNexus is a B2B lead generation and appointment booking service provider. It offers its services in 15+ industries and provides BANT leads of the highest quality. Apart from this, they provide supportive services like content syndication, display ads, events planning and management, intent marketing, and more.

Salesbridge is an Indian demand generation and email marketing service provider. It also offers outsourcing services like BPO and SDR. They believe in high-quality leads; hence, they provide BANT-qualified leads to achieve optimum conversions. To support the outreach, they offer content syndication services.

Thyleads is an Indian agency providing B2B appointment booking and lead generation services. Their approach to prospecting is intent-driven. They use multichannel prospecting to increase the chances of conversions. Their complete set of services includes copywriting and campaign management.

Curious About Sales is a B2B lead generation service provider from India. They offer pain point-driven cold outreach solutions. They are experts in understanding the psyche of their clients' prospects to write effective emails. In addition to the leading service, they also offer technical setup and instant response management.

GrowUp Technologies is India's B2B lead generation and virtual assistant service-providing agency. They are a WaaS (workforce as a service) company. Their leadup product is for the lead generation service. Apart from that, they also offer sales consulting and sales training services.