B2B interview and testimonial videos that actually persuade

Why do interview videos persuade B2B buyers?

Because buyers now research alone, and a customer on camera is the closest thing to a reference call they'll get before they contact you.

In Gartner's March 2026 survey of 646 B2B buyers, 67% said they prefer a buying experience without a sales rep (opens in a new tab). Your salesperson isn't in the room when the shortlist is made. Your website and your videos are.

There, what you say about yourself counts for little. What a peer with the same problem says counts for a lot. Video adds what a text quote can't: a face, a voice, the pause before an honest answer.

What persuades is specificity. Compare "great to work with" with this line from one of our clients: "excellent and precise editing skills adapting to our needs in medical content creation for medical professionals" (Chris K, former Medical Editor at AMBOSS). It names the task, the audience and the standard. You get that from the questions, not the edit.

Interview, testimonial, case-study film or founder interview: which do you need?

Pick by who speaks and what the viewer should believe afterwards.

Testimonials and case-study films sell directly. A founder interview helps when the founder is part of what customers buy. An interview series builds credibility over time. ADAM Audio's "In The Studio" is one: portraits of the producers, engineers and artists who shape modern sound. Four of the films are on our Work page: Chris Papendieck (opens in a new tab), Andreas Scholl (opens in a new tab), One Bit (opens in a new tab) and Point Blank Music School (opens in a new tab). The series shows the brand belongs in the rooms where its gear lives.

How do you find and prepare the right speaker?

Choose the person with the clearest before-and-after story, not the most senior title.

Look for four things:

• They lived the problem. The daily user usually tells a better story than the executive who signed.
• Your buyer sees them as a peer: similar role, industry or company size.
• They can talk. A ten-minute call tells you more than a profile. Listen for examples, not enthusiasm.
• Their company will approve it. Ask early who needs to sign off, and whether they may share numbers.

Prepare people to feel comfortable, not rehearsed. A short call before the shoot is good practice: go through the topics, the set-up and who will be there, so the first conversation isn't on camera. Send topics, not a script: answers learned by heart sound learned by heart. Ask them to bring two or three facts they're cleared to share. And film where the story happened. The ADAM Audio series goes inside the studios themselves; the setting does part of the talking.

What should the speaker wear and bring?

What they'd wear to an important client meeting, in plain mid-tones, with nothing that rustles or clinks.

• Plain, mid-tone colours. No fine stripes or small checks (they can flicker on screen), no bright white.
• No large logos from other brands.
• No noisy jewellery or stiff fabrics. A clip-on microphone hears every rustle.
• A second top, in case the first clashes with the background.
• Glasses are fine; anti-reflective lenses make lighting easier.
• Phone switched off, not just on silent.

Which questions get usable answers?

Open questions that ask for a moment, not an opinion.

1. Ask open questions. "How", "what", "tell me about"; never yes-or-no.
2. Ask for a story. "Take me back to…" gets a scene. "Do you like…" gets a rating.
3. Ask for specifics. Numbers, names, time spent, what went wrong.
4. Ask for full sentences. The interviewer's voice is usually cut, so "Yes, it did" is useless. "Our reports now go out on Monday instead of Thursday" works on its own.

Copy this list and adapt it:

1. What does your team do, and what's your part in it?
2. Before [product], what was the hardest part of [task]? Tell me about a week when it really hurt.
3. What had you already tried?
4. What made you start looking for something else?
5. What almost stopped you from choosing [company]?
6. When did you first notice a difference? What happened?
7. What's different now? Can you put a number on it: hours, weeks, errors, revenue?
8. What surprised you?
9. What would you tell someone in your role who is where you were a year ago?
10. Is there anything I should have asked but didn't?

Question 5 is often the most useful: it answers the viewer's objection before they raise it. Ask key questions twice, in different words; the second answer is often clearer.

One camera or several?

Two cameras for one speaker, three when two people share the interview. One camera only suits a short, tightly cut piece.

• One camera is light and fits a small office. But every shortened answer shows as a jump cut, so you cover it with b-roll (the work, the place, the product) or make jumps part of the style.
• Two cameras, usually wide and close, let you switch angles at the cut and shorten answers invisibly. For a single speaker, that is usually all you need.
• Three cameras come in when a second person joins: a close-up for each speaker and a wide that holds them together. Now you can cut to one person listening while the other talks.

The ADAM Audio series works this way. Nearly every "In The Studio" film was shot on two cameras. The episodes where two people were interviewed together got a third. The number of people in the conversation decided it.

Each camera also adds cost: kit, set-up time, footage to sync and review. For market ranges and other drivers, see what a brand film costs in Germany. Need vertical versions? Frame the wide shot with room to crop, or give one camera to the vertical format.

How long should each cut be, and how many assets can one interview give you?

Length follows where the cut will be watched. Plan every version before the shoot.

Cut each version for its job:

One well-run interview can give you a full film, a testimonial cut, a social cutdown for every strong answer, and a transcript for a written case study. Put the asset list in your brief, so the questions, the framing and the release all cover it.

What consent do you need from people on camera?

Get consent in writing from everyone recognisable, so you can prove it: signed before filming and separate from the usage rights you get from your studio.

Under German law, images of a person may only be distributed or shown in public with their consent (§ 22 KUG (opens in a new tab)). In case of doubt, consent is presumed if the person was paid to be filmed, but customers giving testimonials usually aren't, and a presumption is no substitute for a signature. Owning the usage rights to a video doesn't cover the people in it.

A practical release names:

• the project and the footage it covers
• where it may appear: website, social, paid ads, trade fairs, sales material
• how long it may be used
• how the person is credited (name, role, company)
• whether they or their employer approve the final cut

Match it to the usage rights you've agreed. If the speaker is your own employee, involve your data-protection officer early.

This is general information, not legal advice.

How we approach this

On ADAM Audio's "In The Studio" series, we handled direction, cinematography and edit, on location in London, Berlin and Vienna, with two or three cameras. We shoot across Europe and remote-direct elsewhere, with freelance crew and partners on larger jobs. You get the final film plus the cuts you've planned for your channels, and new formats whenever you need them. Interview shoots fit our Spark package, ongoing series our Production package (see packages).

• Questions: we help you with them if you want. On brand films, we usually ask them; at events, usually someone from your side does.
• Releases: collecting consent from the people on camera is usually your job as the client.
• Transcripts: available, for example as the base for a written case study.

Have a customer with a story worth telling, or a series in mind? We'll work out which format fits. Let's talk.