The DMA tells us that, for every £ or $ spent on telemarketing, clients enjoy an average 1,000%+ return on their investment. The challenge telemarketing agencies face is getting clients to divert money away from digital marketing spend. Use SEO-optimised content marketing to demonstrate the benefits of telemarketing, show what goes into a successful telemarketing campaigns and explain the latest strategies for increasing client engagement with telemarketing. Content marketing drives new traffic to your site and increases high-intent lead volume.