Sales.co Blog

Expert insights on cold email strategies, lead generation tactics, and B2B sales optimization. Learn from proven methods that drive results.

Cold Email Lead Generation Deliverability B2B Sales

Featured Article

Updated August 2026
9 agencies
compared on published pricing
Agency Comparison 12 min read

Best Cold Email Agencies in 2026: 11 Compared on Price, Contract and Channels

Eleven agencies compared on what they actually sell and what they publish, with every price checked against the vendor's own site. Nine of the eleven list no price at all.

Read the Comparison

Latest Articles

Agency Comparison
Outsourced SDR
seats · ramp · notice period
Lead Generation 15 min read

Best Outsourced SDR Companies in 2026, Compared

memoryBlue, Callbox, CIENCE, SalesHive, Martal Group and the rest, ranked for buyers renting sales development capacity. CIENCE publishes per-SDR rates by region.

Read More →
Pricing Benchmarks
$495 to $10,000/mo
published prices only
Lead Generation 16 min read

How Much Does B2B Lead Generation Cost?

Six pricing models and who carries the risk in each, a benchmark table of thirteen vendors' own published prices, the setup fees and prepay minimums billed on top, and what the DIY tool stack costs today.

Read More →

Guides

AI Sales Agent

Automating prospecting, qualification and nurturing with AI agents.

Get Weekly B2B Sales Insights

Join 5,000+ sales professionals receiving our weekly newsletter with the latest cold email strategies, templates, and case studies.