Automated lead nurturing can boost your sales – but only sometimes

Authored by academics from five North American universities, the study examines when and how ALN effectively moves leads through the sales funnel. The findings show that ALN is most beneficial for new leads, short sales cycles, and lower-value deals. However, for high-value transactions and repeat customers, ALN’s impact is minimal.

“Many companies assume that automating lead nurturing will automatically drive sales, but our findings show that its effectiveness depends on the context,” says Johannes Habel of the University of Houston.

“For some businesses, ALN can significantly boost conversions, while for others, it may do little beyond increasing engagement.”

Key findings of the research:

• While ALN increases interactions such as email opens and website visits, these do not always translate into higher sales. Its effectiveness depends on the business model and the type of customer.

• ALN is most effective in industries with short sales cycles and lower-value deals, where potential buyers benefit from receiving automated educational content before speaking with a salesperson.

• ALN is less effective for high-value deals or returning customers who already have extensive knowledge about a company’s offerings. These buyers tend to rely on in-depth research and personalised consultations rather than automated messaging.

Implications for business leaders

For companies using ALN, these findings challenge the assumption that marketing automation always leads to higher sales. Instead, the study highlights the importance of measuring the right metrics to assess ALN’s true impact.

“Many firms track vanity metrics like email open rates and clicks, but these don’t necessarily indicate sales success,” says Phillip Wiseman of Texas Tech University. “Instead, businesses should focus on ALN’s effect on actual revenue and deal closure rates.”

The research suggests that companies should test ALN’s effectiveness within their specific context before fully committing. Firms should:

• Assess customer type: Does ALN add value, or are leads already well-informed?

• Analyse sales cycle complexity: Does automated nurturing provide useful guidance or do customers need direct engagement?

• Measure real outcomes: Move beyond engagement metrics and track ALN’s impact on sales meetings and conversions.

The right balance between automation and human interaction

The study also warns against over-reliance on ALN, particularly for industries that rely on relationship-based selling. While automation can enhance lead engagement, it should complement, not replace, human interactions.

“Companies using ALN should ensure it supports their sales teams rather than acting as a substitute for personalised engagement,” says Michael Ahearne, also of the University of Houston. “For high-value sales, a hybrid approach that blends automation with tailored conversations is often more effective.”

You can find out more about the study, published in the American Marketing Association’s Journal of Marketing, here.