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Lead generation
Appointment setting
Secure meetings with decision-makers and build stable pipeline
Cold email outreach
Run email campaigns that break through the noise and book calls
Cold calling
Book 30% more appointments through direct phone outreach
LinkedIn lead generation
Expand your reach and engage prospects directly on LinkedIn
Lead research
Get hand-picked and verified lists of sales-ready prospects
Other services
Account-based marketing
Deliverability consulting
HubSpot CRM consultancy
Outsourced SDR
By company size
Enterprise
SMB
Startup
Our approach
Find out about Belkins’ lead generation process that sets us apart
Industries
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About us
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5
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Blog
Outreach
How different B2B cold email subject lines perform: Belkins’ 2025 study
Author
Sophie Kompaniiets
Sophie is a content writer and strategist at Belkins and Folderly with years of experience in the B2B space.
Reviewed by
Kirill Potapkin
Head of Content at Belkins, experienced and driven B2B sales/marketing specialist
Published:
2025-08-06
Reading time:
8 min
