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Handing Leads Off to Sales & the MQL vs SQL Difference

Handing Leads Off to Sales & the Marketing Qualified Lead (MQL) vs Sales Qualified Lead (SQL) Difference

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February 20, 2023


By Jesse Snyder

How do you know when a lead is ready to be handed off to sales? What makes the difference between a marketing qualified lead (MQL) and sales qualified lead (SQL)?

A MQL is primarily a contact that is sales-ready, but is not yet ready for direct, personal attention from sales. A SQL, on the other hand, is ready for direct sales follow-up and should be made a priority to engage with one on one. However, the exact definitions of MQL versus SQL vary based on your customer lifecycle and are defined by marketing and sales. 

As you think about the difference between a MQL and a SQL, you should also think about your customer lifecycle, which may be similar to what is illustrated in the graphic below.

customer lifecycle


Defining marketing qualified leads (MQL) and sales qualified leads (SQL) for your organization must be done through a partnership between sales and marketing. Making sure everyone understands the difference between MQLs and SQLs is the foundation of the lead handoff process.

The Importance of the MQL-to-SQL Process

As a teenager, I ran track and became familiar with the art of passing the baton. Although my teammates and I didn’t go on to run in the Olympics, I still have the blue ribbons that prove we weren’t entirely terrible athletes. Being fast was essential to winning any sprint event on the track, but with relays, how you executed the handoff could make the difference between first place and disqualification.  

Perfecting the baton handoff required careful timing, trust in your teammates, and effective communication. When we finally figured out the perfect order in the handoff sequence, my high school relay team went from personal best times to surpassing school records. 

Handing leads from marketing to sales is quite similar to the baton handoff. And just like my teammates and I had to prepare and make adjustments in order to beat records, you will have to prepare and make adjustments in order to find the right time to hand a lead off from marketing to sales.

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Create an SLA

While you define each stage of your customer’s lifecycle and the handoff process between marketing and sales, you’ll need a place to document these definitions. This is where a service-level agreement (SLA) comes into play. An SLA for marketing and sales documents goals, as well as what each team plans to contribute to those goals. It should also document the definitions of MQL, SQL, and the procedures for handling those leads. In short, it should contain everything you need to execute an effective handoff.

Critical Considerations for MQL and SQL Definitions

As you consider your definitions for MQLs and SQLs, as well as the best time to hand a lead off from marketing to sales, here are some key considerations to keep in mind:

Lead Behavior

One of the most critical factors for differentiating a lead from an MQL or SQL is their behavior on your website or how they engage with your company. The weight that a particular action or piece of demographic information carries within lead scoring or routing rules will depend on your company. For example, Company A may notice that first-time visitors are as likely to purchase as a repeat visitor, while Company B’s leads aren’t expected to convert until they’ve visited the site three or more times. No matter how much weight you place on particular behaviors, there are some general characteristics to monitor and consider factoring into your MQL and SQL definitions:

  • First-time visitor versus repeat visitor
  • Conversion count or the number of times they fill out a form
  • Stage in the buying cycle as indicated by the content they consume (e.g., visiting a pricing page)
  • Channel or source (are leads from LinkedIn more likely to become customers?)
  • Don’t forget negative attributes like competitors or job applicants

Lead Demographics

If you have a lead that fits an ideal customer profile and is easily identifiable in form submissions or third-party data insights, like Datanyze, you may want to pass the contact to your sales team for a quick follow-up. Information such as company size or industry are common B2B examples, but information like pain points or a persona can also be great ways to qualify a lead as an MQL or SQL.

Lead Scoring

Lead scoring is a way to combine various attributes and behaviors to provide perceived value to each lead. It can help organizations prioritize leads or define them as an MQL or SQL based on a ranked score. For most organizations, however, lead scoring requires maintenance that outweighs the value it provides. Before you implement lead scoring as part of your handoff process, consider whether or not you need it, or if it would be possible to qualify leads through simple routing rules rather than lead scoring. Here are two critical criteria to determine whether it’s time to implement lead scoring:

  • Sufficient data: Demographic and behavior data are essential for creating lead scoring values. Not just any lead data works; most companies need a vast amount of meaningful customer data to determine weights and measures for lead scoring. 
  • Reps drowning in leads: If your reps aren’t complaining about too many leads, you likely aren’t at a point where lead scoring makes sense because the reps can still manually evaluate leads. 

Streamline the MQL-to-SQL Process and HandOff

Once you’ve defined MQL and SQL definitions, you know who to handoff, but you still need to agree on how to pass leads to sales. A lead scoring automation tool can help determine the overall engagement of the lead in order to understand how well your marketing and sales activities are working to hold the lead’s interest. Automation through your CRM should allow you to quickly distribute new SQLs via a notification email or task along with relevant information. Discuss with your team what information needs to be passed along, as well as what the follow-up will look like based on lead intelligence and behavior in order to ensure the transition is as smooth as possible.

Discuss and Adapt

On a weekly or monthly basis, marketing and sales should meet to discuss any leads that were passed and whether or not the process needs to be adjusted. As your business and buyers change, there will inevitably be a need to shift your handoff.

Although your marketing and sales team may not be working toward a record on the track, you are working toward revenue growth. Getting there requires a smooth passing of leads from marketing to sales as they move through the funnel. If you do it right, you’ll hit your targets, but if you drop the baton in the handoff, you might get disqualified.

This post was originally published in January 2014 and has been updated since.

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