What a qualified lead is, how an MQL differs from an SQL, and how to tell if a lead is ready for sales: criteria, scoring and a real case.
What is a qualified lead? A qualified lead is a contact who, besides having shown interest, meets the criteria your company has set to deserve a salesperson's attention: they can be reached, they have a need your product solves, they want to solve it within a reasonable timeframe, and they can pay for it. For your qualified leads to be truly qualified, those criteria have to be written down and applied the same way by the whole team, not left to each salesperson's gut feeling.
Updated: October 2026 · Written by Pablo Pascual, co-founder of Vixiees, who works daily with sales teams handling high lead volumes.
Grupo Intelia, a Chilean group offering services to small and mid-sized businesses, with more than 35 salespeople and around 2,600 leads a month, found out it was losing 35% of its leads without a trace. According to their success story, salespeople discarded leads for reasons nobody recorded, such as the name, the phone number or the email. Marcelo Malluzzo, their corporate sales director, sums it up this way: "We found out that one person was setting aside 3 million pesos in leads."
That is the real problem behind the question "what is a qualified lead." Defining it is usually the easy part. The hard part is getting the whole team to decide the same way. In this article we explain what it is, how an MQL differs from an SQL, which criteria to use in high-volume B2C sales, and how to check them on the first call.
What is a qualified lead?
A lead is any contact who has left their details or shown interest: they filled in a form, wrote on WhatsApp or called. A qualified lead is one who, in addition, meets the criteria your company considers necessary for them to be worth a salesperson's time.
The difference is easier to see with the three stages a contact goes through:
Stage | What it is | Example |
|---|---|---|
Lead | Someone who has shown interest | A person asking for information about a course |
Qualified lead | A lead who meets your criteria | Wants to start this quarter, can afford it and answers the phone |
Opportunity | A qualified lead with a proposal already under way | They have been sent the price and have a call scheduled to close |
If your team calls any lead who answers "qualified," your opportunities fill up with contacts who were never going to buy, and salespeople waste time on them while other good leads wait.
Difference between MQL and SQL
MQL and SQL are two ways of qualifying that come from the B2B world, where marketing and sales are separate teams:
MQL (marketing qualified lead) | SQL (sales qualified lead) | |
|---|---|---|
Who decides | Marketing | Sales, usually after a conversation |
What it is based on | Behavior: downloads, visits to the pricing page, clicks | Need, timing and capacity confirmed with the lead directly |
What it means | Has interest, but it is not yet clear whether they will buy | There is a real chance of a purchase |
Next step | Nurture them or hand them to sales | Proposal or sale |
In high-volume B2C sales (training, insurance, leasing, telecommunications) this separation tends to be shorter. The lead asks for information and wants to be called right away, so real qualification happens on the first call. That is why we focus on the SQL here: how a salesperson decides, on that call, whether a lead is qualified.
If your process does separate first contact from closing, we cover it in screening salesperson and closing salesperson.
The 4 filters of a qualified lead in B2C
A widely used framework for qualifying is BANT: budget, authority, need and timing. In B2C, "authority" is rarely an issue, because the person asking for information is usually the one who decides, and another filter appears that BANT does not have: being able to talk to the lead. That is why we propose the 4 filters method (Contactable, Need, Timing, Capacity), in this order:
Filter | What you check | How you check it | If they do not meet it |
|---|---|---|---|
1. Contactable | That the details are real and the lead can be reached | Valid phone number, answers the call or the WhatsApp message | Retry on a fixed cadence before discarding |
2. Need | That they have the problem your product solves | Open question: what they are looking for and why now | Discard with a reason or offer another product |
3. Timing | That they want to solve it soon | When they want to start or sign up | Nurture and call back on a set date |
4. Capacity | That they can pay or finance it | Budget, financing or requirements (for example, the risk assessment in a lease) | Discard with a reason or propose an alternative |
Rule: a lead is qualified when they pass all four filters. If one fails, the lead does not just stay "pending": it goes to the destination shown in the last column.
The order matters. It makes no sense to ask about budget with someone you have not yet been able to talk to, and it makes no sense to discard for "no answer" someone you have only called once. How many attempts to make before giving up is covered in how many times to call a lead before giving up.
How to qualify a lead on the first call
In B2C, the first call does two things at once: it serves the customer and checks the filters. This is the order we recommend:
Call fast. Interest is short-lived. In a study published in Harvard Business Review (2011) covering 1.25 million leads from 42 U.S. companies, those that tried to make contact within the first hour were almost seven times more likely to qualify the lead than those that tried an hour later.
Confirm what they asked for. "I'm calling because you asked for information about..." This orients the customer and confirms the details are theirs (filter 1).
Ask about the need with an open question. "What are you looking for?" and "Why now?" (filter 2).
Ask about timing. "When would you like to start?" (filter 3).
Ask about capacity without making them uncomfortable. "Have you thought about how you would like to pay for it?" or the requirement that applies in your industry (filter 4).
Close with a next step that has a date. A proposal, a second call or an appointment. If the lead is not qualified, record the reason before hanging up.
The four questions have to be the same for the whole team. If each salesperson asks their own questions, you will not be able to compare or correct.
Lead scoring: how to score without overcomplicating it
Lead scoring gives points to each lead based on their data and behavior, so you know who to call first. Tools like HubSpot include it. It is useful when many leads come in and there is no time to call them all at once, but it does not replace the call: it orders the queue, it does not qualify.
A simple example of pre-call scoring. It is illustrative and not based on customer data: adjust it with your own conversion data.
Signal | Points |
|---|---|
Asked to be called or called in themselves | +30 |
Wrote on WhatsApp | +20 |
Comes from a pricing page or a comparison site | +15 |
Left a valid phone number | +10 |
Asked for information more than 7 days ago with no contact | -15 |
With something like this, the salesperson does not choose: the system hands them the highest-scoring leads first. If you want to build it from scratch, we explain it in lead scoring in B2C sales.
What to do with leads that are not qualified
An unqualified lead is not a lost lead if you know why they are not qualified. Each filter has its destination:
Not contactable: retry cadence at different times and on different channels. Only when it runs out is the lead closed with the reason "not contactable."
No need: discard with a reason or, if it fits, offer another product.
No timing: move to nurturing and schedule a call with a date.
No capacity: discard with a reason or propose a more affordable alternative.
The key is that the reason is recorded from a closed list, not in free text. That way you know how many leads you lose at each filter and can act: if most fail at "not contactable," the problem is speed or data, not the leads. We explain it in detail in reasons for discarding leads.
This is what Intelia does with leads that do not respond: they move automatically to cross-selling.
How to know whether your qualified leads are truly qualified
Metric | What it tells you | When to check it |
|---|---|---|
Time to first contact | Whether you arrive while interest is still alive | Daily |
Leads contacted over leads received | Whether filter 1 is failing | Weekly |
Qualified leads over leads contacted | Whether the leads reaching you are good | Weekly |
Discards by reason | At which filter each lead is lost | Weekly |
Sales over qualified leads | Whether your criteria really predict a sale | Monthly |
The last metric is the one that validates the criteria. If many "qualified" leads do not buy, the filters are too soft. If almost all of them buy but you qualify very few, you are probably discarding good leads.
Real case: Grupo Intelia
Grupo Intelia (Emprende.cl) provides services to small and mid-sized businesses in Chile, with more than 35 salespeople across several business units and around 2,600 leads a month. Before, each salesperson decided which lead was worth pursuing and why to discard it, and nobody in management could see it or correct it.
Aspect | Before | After |
|---|---|---|
Leads lost without a trace | 35% | 35% of leads recovered |
Leads handled | - | 100%: if they do not respond, they move to cross-selling automatically |
Sales with the same team | Baseline | +10-15%, not counting cross-selling |
Data reported by Grupo Intelia in its success story, 2025 period.
Something similar happens in online training. At Pontia Tech, qualification is the interview with the prospective student. When lead assignment went from taking up to 3 hours to being immediate, they recorded a +20% conversion from interviewed to enrolled (figure reported by Pontia, 2025). We cover it in the sales team of an online school.
Common mistakes when qualifying leads
Letting each salesperson decide. The lead is discarded by gut feeling and nobody sees it.
Calling everyone who answers "qualified." Answering is only filter 1.
Using B2B criteria in B2C. Asking an individual about their "decision-making authority" adds nothing.
Discarding without a reason. Without a reason there is no way to improve or to recover the lead.
Qualifying late. The longer it takes to call, the more likely the lead has already spoken to another company (see the Harvard Business Review figure above).
Not reviewing the criteria. If qualified leads do not buy, you have to change the filters, not push harder.
Does your team qualify the same way, or does everyone do it their own way?
Vixiees gives each salesperson their next task according to the priorities you set, with the qualification questions built into the process and a mandatory reason for every discard. That way you know which leads get qualified, which are lost and at which filter.
Keep reading: how to optimize lead priority and what a lead is in B2C marketing.
Pablo Pascual's take, co-founder of Vixiees: before concluding that the leads are bad, it is worth asking who decides that a lead is bad and by what criteria. If each salesperson decides in their own way and does not write down why, there is no way to know whether the problem lies in the leads or in how they are worked. Qualifying well is not about having a nice definition: it is about asking every lead the same questions and giving every discard a reason that can be reviewed.
Frequently asked questions
What is a qualified lead in sales?
It is a lead who has shown interest and also meets the criteria your company has set for investing sales time in them. In B2C there are usually four: they can be contacted, they have the need, they want to solve it soon and they can pay for it.
What is the difference between an MQL and an SQL?
An MQL is a lead that marketing considers interested based on their behavior, such as downloading content or visiting the pricing page. An SQL is a lead that sales has validated, usually on a call, because they have a need, a timeframe and the capacity to buy.
How do you know if a lead is qualified?
By checking the four filters on the first call with the same questions for the whole team: what they are looking for and why now, when they want to start and how they plan to pay. If one fails, the reason is recorded and the lead is sent to the corresponding destination.
Which is better, BANT or lead scoring?
They do not compete. Lead scoring orders which leads to call first using the data you already have; BANT or the four filters are used to decide, by talking to the lead, whether they are qualified. The practical approach is to use scoring for the queue and the filters on the call.
What do I do with leads that are not qualified?
Record the reason from a closed list and send them to their destination: retries if they could not be contacted, nurturing with a date if they are in no hurry, and discard or another offer if they have no need or capacity.
