Best telemarketing companies for lead generation

Belkins distinguishes itself with its 'intent-focused' cold calling practice, contacting prospects who have already shown signs of engagement. This 'warm calling' approach results in a significantly higher conversion rate than traditional cold calling.

With over 20 years of experience, Callbox is a consolidated company offering B2B lead generation and multichannel outreach. Its proprietary Smart Engage platform combines AI automation with human expertise for personalized and effective outreach.

SalesRoads is a primary choice for outbound lead generation, standing out for its high-quality and strategic phone outreach. It serves various industries, offering key services such as cold calling and lead qualification.

Comadi Telemarketing is a leading company in Spain, with specialized teams in generating new B2B sales opportunities. Its focus on the Spanish market and monthly follow-up of potential clients make it highly relevant for local businesses.

Telecom, Inc. offers outbound call center services to manage telemarketing campaigns, from lead generation and qualification to customer interaction. It provides flexible, scalable, and cost-effective solutions to increase sales and optimize customer experience.

This agency stands out for its focus on direct, human phone outreach, avoiding generic scripts to build relationships. Its consultative strategy has been shown to reduce the cost per qualified lead and significantly increase marketing qualified leads.

Martal Group specializes in the software and technology industry, providing outsourced SDRs and sales executives. It is ideal for SaaS and technology companies looking to scale their sales operations without the need to hire full-time internal staff.

Pivote Marketing is a B2B marketing consultancy that designs Outbound B2B strategies, executing personalized calls, emails, and messages. It offers outsourcing of SDRs and client prospecting to arrange meetings with decision-makers in the Spanish market.

Lead And Brand offers B2B lead generation and commercial prospecting with a global reach, including LATAM, Spain, and the USA. They deploy outbound prospecting strategies, B2B cold emailing, and bilingual external SDR teams, generating qualified leads and meetings with decision-makers.

BlueZebra LATAM, based in Colombia, offers bilingual appointment setting and lead generation for SMEs and mid-market companies. Its 'voice-first' model is particularly effective in cultures that value direct conversation, making it ideal for the Latin American market.

Vsynergize provides large-scale SDR operations with bilingual teams in delivery centers across LATAM, India, and the USA. Its hybrid model allows reaching local decision-makers via phone, email, and LinkedIn, standing out for its cost-efficiency and multilingual support.

CIENCE Technologies combines a managed outbound service with proprietary data and software, allowing clients to build accurate prospecting lists. It is ideal for high-growth SaaS and technology companies looking to scale their SDR function with a data-driven and technology-based approach.