How to run competency-based sales interviews in 2026

Hiring a great salesperson is a significant investment, and by the time a strong candidate is sitting in front of you, it can be tempting to trust your instincts and move quickly. With AI-assisted CVs, polished interview preparation, and hybrid hiring processes becoming more common, it can be harder to separate presentation from proven capability.

Feeling like the right fit is a good start, but it’s not enough on its own. Competency-based interviews for commercial roles gives hiring teams a more structured way to assess what candidates can genuinely do rather than relying on chemistry alone.

Here’s how competency-based interviews work and how you can build them into your sales hiring process.

What is a competency-based interview?

A competency-based interview is built around specific behaviours and skills that are known to predict success in a role. Rather than asking candidates what they would do in a hypothetical situation, you ask them to walk you through something they have actually done.

So instead of asking: “What would you do if a prospect challenged your pricing?”

You ask: “Tell me about a time you managed a pricing objection during a live deal.”

The goal is to assess proven behaviour rather than polished interview answers. Research consistently shows that structured interviews are more predictive of job performance than unstructured conversations, and for sales roles where the stakes of a bad hire are high, that difference really matters.

The competencies that matter most in sales

One of the most common mistakes in commercial hiring is trying to assess everything at once. The strongest interview processes focus on the handful of competencies that matter most for success in the role.

Most sales competencies fall into two groups:

Universal sales competencies

These tend to matter across most sales roles:

Resilience and handling rejection

Communication and listening

Drive and self-motivation

Coachability

Organisation and consistency

Role-specific competencies

These become increasingly important in more senior or specialised sales roles:

Negotiation and closing

Pipeline management and discipline

Stakeholder influence and relationship building

Consultative selling

Strategic account management

The key isn’t to assess every competency equally. Focus on the handful that are most critical for success in the role and build your interview process around those priorities.

A simple step-by-step interview process

This is where many commercial hiring processes can fall down. Without a clear structure, interviews can quickly become inconsistent, especially when multiple people are involved.

Here is a simple process that works well for most commercial roles.

Step 1: Build your scorecard before you start

Before you speak to a single candidate, it’s important to decide which competencies you are hiring for, how they will be assessed, and how responses will be scored.

For most sales roles, four to six competencies is usually enough to create focus without overcomplicating the process. It sounds obvious, but it’s one of the most commonly overlooked steps in commercial hiring.

Step 2: Keep the process focused

In most cases, a two stage interview process is enough. A first stage to assess core competencies, communication style, and motivation, and a second stage to go deeper on role-specific skills, perhaps including a practical task or short presentation.

Long, drawn-out processes regularly cost businesses strong candidates. Research suggests around 62% of candidates lose interest when hiring processes drag on, which is a significant risk in competitive sales markets where strong talent is often interviewing elsewhere.

Step 3: Brief your interview panel

If more than one person is involved, make sure everyone understands the competencies being assessed, who is asking which questions, and how scoring works before the first interview takes place.

Step 4: Use STAR-format questions

STAR stands for Situation, Task, Action, Result.

Ask candidates to walk you through a real example using this structure and listen carefully for the Action and Result. What did they specifically do, and what outcome did they achieve?

If an answer feels vague, probe with follow-up questions like “Can you give me a specific example?” or “What was your personal contribution?”

Step 5: Score independently, then debrief

Once the interview is finished, every interviewer should complete their scorecard individually before the group debrief takes place. This helps reduce groupthink and encourages more objective discussion.

Step 6: Decide against the scorecard

Use the scores as your starting point in the debrief. If someone scores well across the board but the team didn’t warm to them personally, that is worth a conversation. If someone charmed the room but scored poorly against your criteria, that is worth noting too.

The scorecard doesn’t make the decision for you, but it keeps things honest.

Competency interview questions worth using

Good competency questions are specific, behaviour-focused, and open-ended. Here are some strong examples grouped by competency:

Resilience

“Tell me about a deal you lost that you expected to win. How did you respond afterwards?”

Pipeline management

“Walk me through how you manage your sales pipeline week to week. What does your routine look like?”

Stakeholder influence

“Describe a situation where you had to bring a sceptical decision-maker round to your point of view. What was your approach and how did it land?”

Coachability

“Can you give me an example of a piece of feedback that genuinely changed the way you work? What did you do differently as a result?”

Drive and self-motivation

“Describe a target or goal you set yourself that went beyond what was expected of you. What drove you to do that?”

Negotiation

“Tell me about a time commercial terms became difficult during a deal process. How did you handle it?”

Consultative selling

“Can you give an example of a sales conversation where your discovery process changed your entire approach?”

Whatever questions you choose, it’s important to make sure they map directly back to the competencies on your scorecard so you can assess candidates consistently.

How to score competency interview answers fairly

A simple 1-4 scale works well for most commercial hiring teams:

Encourage interviewers to record short evidence notes alongside their scores and to complete evaluations immediately after each interview while the conversation is still fresh. Consistent scoring gives hiring teams a clearer basis for comparing candidates and making objective hiring decisions.

Final thoughts

Competency-based interviewing isn’t about making hiring rigid or turning every conversation into a box-ticking exercise. It’s about giving yourself and your team a better, fairer way to assess commercial talent and reduce hiring risk.

A clear scorecard, a consistent set of questions, and a structured debrief can genuinely make a significant difference to the quality of your hiring decisions.

If you’re currently building or scaling a commercial team and want support putting a stronger hiring process in place, we can help. Get in touch today to find out how our team can support your recruitment goals.