How to advertise on The Casual Criminalist: what it costs, who buys, and how to book

The Casual Criminalist sells its host-read inventory direct, quoted per campaign rather than off a rate card, and it leans hard on coded reads. Spotsnow attributes roughly 89% of the show's ads to direct response, and its biggest buyer, Shopify, has run roughly 41 to 48 ads on the feed. That mix tells a buyer this is a conversion feed first, an awareness feed second. Spotsnow estimates all of this from tracked advertiser activity, not audience surveys.

You can see the full profile for The Casual Criminalist on Spotsnow, including its roster and spend trends.

Why The Casual Criminalist is built for host-read direct response

The show is hosted by Simon Whistler, a British creator who runs a wide network of true crime and educational channels and holds a degree in business and law. It sits in true crime, one of the larger advertising categories Spotsnow tracks.

Spotsnow attributes close to nine in ten of the ads here to direct response. That matters because the format runs on codes, vanity URLs, and promo mentions the host says out loud, which is exactly what lets a brand tie a sale back to the spot. Spotsnow estimates the show reaches roughly 107,000 listeners

Reach is an estimate, not an audited count. The real argument for this feed isn't scale, it's attention. Whistler's delivery is conversational and tangent-heavy, so the ad read doesn't snap the listener out of the episode. It rides the same voice. A host-read borrows that trust, and on a show built on one narrator holding a story for an hour, the handoff into an ad feels like part of the show rather than a break from it.

The influence here is concentrated in the feed and in Whistler's broader true crime following rather than spread thin across a dozen platforms. That concentration is a feature for a direct-response buyer: a loyal, returning audience is what makes a promo code convert on the second or third mention.

Who is advertising on The Casual Criminalist

The roster skews toward DTC and tech, with insurance, streaming, and home services filling out the rest. Recognizable names on the feed include Shopify, Mint Mobile, Progressive, Netflix, and Squarespace.

The anchor advertisers, broken down

Shopify

Shopify sells e-commerce and retail software. Spotsnow data shows it has run roughly 41 to 48 ads on the show, with estimated total spend over $40K, classified direct response. It keeps coming back because the show's audience skews entrepreneurial and high intent, the people who actually open a store.

Aura

Aura sells identity theft protection and digital security. Spotsnow data shows roughly 7 to 8 ads here, with estimated total spend over $10K, all direct response. A safety-minded true crime audience is a clean match for a product that promises to keep your identity out of the wrong hands.

Grainger

Grainger sells industrial and MRO supply. Spotsnow data shows roughly 6 to 7 ads on the show, with estimated total spend over $5K, direct response. It fits the show's US, working-adult base better than the category might suggest.

The awareness outlier

Not every buyer here is chasing a code. Streaming and insurance names like Netflix and Progressive run produced spots for association and reach rather than attribution. It's proof a different objective can work on this feed, even if the bulk of the money is coded.

All spend figures are Spotsnow estimates.

Why true crime brands cluster here

True crime listeners lean into risk, safety, and consequence, and they trust the narrator walking them through it. That mindset is why identity protection, insurance, and security brands find their people on a feed like this: the audience is already thinking about what goes wrong and who gets caught. Pair that with a host who has spent years building a research-heavy, one-voice brand, and the endorsement carries weight a produced spot can't buy. The DTC and tech buyers pile in for a different reason, the audience skews toward comfortable, middle-to-high income adults in their 20s to 40s, concentrated in the US with a Canadian and UK tail. That's a buying audience, and Shopify's repeat commitment is the tell that the math holds.

How your ad could sound

Host-read spot for Sali on The Casual Criminalist

This Sali read is a good model for the feed. The hook is casual and universal: "Here's something useful for literally anyone who has ever needed internet while traveling." It leans on first-person credibility, "I've tried it before. It's just better," which is the whole reason a brand pays for a host endorsement instead of a produced spot. The handoff back to the story is clean, "And now back to today's episode," so nothing jars the listener.

Two things a buyer should tighten. The offer arrives late and rushed, "Get an exclusive 15% discount... Use the code casual criminalist at checkout," with no deadline to push urgency. And the URL gets muddled in the read as "s.com/casualcriminalist," which quietly weakens attribution on a direct-response spot. If the whole point is a coded conversion, the code and the link need to land clean and early, not buried at the end.

View what a great sample ad looks like here.

What makes a show like this convert

1. The format does the work. Coded host reads make roughly nine in ten of the ads here, so a brand can measure the return instead of guessing at it.
2. Host credibility carries the read. Whistler's research-driven, one-voice style means an endorsement sounds like a recommendation, not a slot.
3. The audience is a buying audience. Spotsnow estimates comfortable, middle-to-high income adults skewing female and concentrated in the US, the kind of listeners who act on an offer.
4. Repeat buying proves the math. Shopify's roughly 41 to 48 ads on this one show is what a brand does when the reads keep paying back.

The Casual Criminalist in a nutshell

The listeners skew female, comfortable on income, mostly in their 20s to 40s, and concentrated in the US with a Canadian and UK tail. The buyers who already run here, Shopify, Aura, and Grainger, do it mostly on coded host reads. The show sells direct, quoted per campaign, with no public rate card. If your goal is attributable conversions, this feed is built for you; if you only want broad association, other feeds sell that cheaper.