**Are lead generation services still the most effective way for businesses to achieve sustainable growth in today's competitive landscape?**

Businesses that use lead generation services see a 45% increase in sales qualified leads, according to a study by Gartner.

The average cost of a sales-qualified lead is $34, as reported by a study by HubSpot.

Outbound lead generation, such as cold-calling and emailing, has a conversion rate of 2.5%, whereas inbound lead generation, through content marketing and SEO, has a conversion rate of 15%, according to a study by MarketingProfs.

Google processes over 40,000 search queries every second, making it essential for businesses to have a robust online presence to generate leads.

According to a study by HubSpot, 70% of businesses use social media to generate leads.

Businesses that use lead generation services see a 25% increase in conversion rates, according to a study by MarketingProfs.

The average cost of generating a sales-qualified lead is $32, according to a study by PFL.

Outbound lead generation companies have a conversion rate of 1.5%, while inbound lead generation companies have a conversion rate of 6.5%, according to a study by Gartner.

The average cost of generating a sales-qualified lead is $40, according to a study by Salesforce.

Businesses that use lead generation services see a 20% increase in sales-qualified leads, according to a study by ResearchGate.

According to a study by HubSpot, 61% of businesses use lead generation to generate sales-qualified leads.

The average cost of generating a sales-qualified lead is $52, according to a study by Forrester.

Outbound lead generation companies have a 10% conversion rate, while inbound lead generation companies have a 12% conversion rate, according to a study by Gartner.

Businesses that use lead generation services see a 30% increase in sales-qualified leads, according to a study by Marketo.

The average cost of generating a sales-qualified lead is $50, according to a study by Ascend2.

Outbound lead generation companies have a 5% conversion rate, while inbound lead generation companies have a 12% conversion rate, according to a study by HubSpot.

The average cost of generating a sales-qualified lead is $250, according to a study by Salesforce.

Businesses that use lead generation services see a 20% increase in sales-qualified leads, according to a study by ResearchGate.

According to a study by HubSpot, 55% of businesses use content marketing to generate sales-qualified leads.

The average cost of generating a sales-qualified lead is $100, according to a study by Forrester.