How to Fill Your Training Courses

To fill a training course, a scheduled seat has to be found by the right buyer, chosen over the alternatives, booked, paid for, and actually attended. Most providers treat an empty seat as a marketing problem and buy more traffic. Usually the seat is leaking somewhere lower down: people who find you do not book, or people who book never show up. Those leaks are cheaper to close than buying more attention, and closing them makes better use of the demand you already have.

The fixes below are in the order that pays off, which is why marketing comes last. The worked examples use first aid, since it is a common scheduled course, but the same funnel applies to any course you sell by the seat, whatever the subject, from safety and compliance to skilled trades, healthcare, and professional development.

Key takeaways

• A booked seat can leak at five points: found, chosen, booked, paid, attended. Find your leak before you spend a penny on marketing.
• No-shows are the most expensive leak of all: a seat you already sold and cannot resell. Deposits and reminders are the cheapest fixes you have.
• Most bookings are lost at the course page and the checkout, not the top of the funnel. Roughly 70% of online carts are abandoned before payment.
• Only market harder once the leaks are closed, and market to the buyer, who in workplace training is often not the person sitting in the room.

Demand for training is rising, so don’t waste it

The pool of people who need a course is growing. The World Economic Forum expects 59% of the global workforce to need reskilling or upskilling by 2030, and 85% of employers plan to prioritise it (Future of Jobs Report 2025). UK providers feel the other side of that: in accessplanit’s 2025 survey, processing bookings was the single biggest admin drain (44%), and course attendance was the second most-watched success metric after customer satisfaction. When more people need training, every abandoned booking and every no-show is a slice of rising demand you paid to attract and then let slip, usually to whichever competitor made booking easier. A useful way to picture a booking is water moving through a pipe with five joints, because it leaks at the joints.

A booked seat can leak at five points

The five joints in words: a potential delegate, or the person who books on their behalf, finds the course; chooses it over a competitor, another date, or doing nothing; books it rather than deciding to “do it later”; pays, whether a deposit or the full fee; and attends. A seat is only filled once someone is sitting in it.

Most advice about filling courses only touches the first joint: be more findable, run more ads, post more often. That is fine when nobody knows you exist. For a lot of established providers, though, plenty of people find the course and the leak is further along: they land on the page and leave, or start a booking and abandon it, or book and then do not turn up.

Each joint downstream is cheaper to fix than the one before it, because you are working with people who have already shown intent. Recovering a delegate who is halfway through your booking form costs far less than finding a brand-new one. So before marketing harder, find out which joint is leaking.

Diagnose your leak before you spend on marketing

Four rough numbers for a typical course date will do: how many people view the course page, how many start a booking, how many pay, and how many attend. Most booking systems and even Google Analytics will give you the shape of it. Then match the symptom to the leak.

In the worked example above, the drop from 300 views to 12 bookings started is where the money is going, so the course page comes first and the marketing budget waits until it converts.

Marketing is usually the most visible fix, which is why providers reach for it even when their real problem is a checkout that asks for fifteen fields or a no-show rate eating their margin. The leaks below are in order of what they typically cost you, starting at the bottom of the pipe.

Stop the biggest leak first: no-shows

A no-show is worse than an empty seat, which never cost you anything. A no-show is a seat you sold and planned around, and you found out too late to offer it to anyone else. If you took full payment and your terms let you keep it, the financial hit is softened. If you did not, you have carried all the cost of that delegate and earned nothing.

Public no-show figures for commercial training are thin, so the clearest number is our own: across public bookings on Cademy in 2025, paid seats went unused 5.7% of the time and free seats 18.4% (the full breakdown is in our guide to reducing no-shows). Event data shows the same shape, with free events losing a median 28% of registrants and some benchmarks putting the range at 40% or more, which is why a free taster and a paid course behave nothing alike. For a booked, committed, unpaid slot, healthcare is the UK reference point: 4.3% of GP appointments in England were missed in the year to late 2024 (NHS Digital).

Take a deposit, or full payment. Money on the table changes behaviour. When one event organiser added a refundable deposit of a few pounds to a previously free event, no-shows fell from 38% to 14% (Eventtia). Restaurant platforms report similar: OpenTable found deposits cut no-shows by around 57%. The figures come from vendors rather than peer review, so hold them loosely, but the direction is consistent everywhere it has been tried. A deposit turns “something I meant to attend” into “something I have already paid towards”, and people protect what they have paid for. If you can take full payment upfront without losing the booking, better still. The deposit mechanics are in our guide to reducing no-shows.

Remind them, and say what a no-show costs. Automated reminders by email and text reliably lift attendance. The most interesting finding is about wording. In a randomised trial across two London NHS trusts, a plain text reminder helped, but a reminder that stated the cost of missing the appointment worked better, cutting missed slots from around 11% to 8% (Hallsworth et al., PLOS ONE, 2015). A course reminder that says “your place is confirmed for Tuesday, and we are holding a seat that others wanted” does more than “see you Tuesday”. Send one when they book, one a few days before, and one the day before. If you are setting reminders up from scratch, our guide on reducing no-shows on training courses has the full sequence.

A clear cancellation policy does not so much stop no-shows as let you fill the gap in time: a firm cut-off (“cancel more than 7 days out for a full transfer”) converts a silent no-show into an early cancellation you can resell. Design it as a trade-off, though, because an overly harsh policy can put people off booking in the first place. And a waitlist turns a cancellation back into revenue automatically, offering the freed seat to the next person in line before the date arrives. The policy wording and the waitlist are covered in the same no-shows guide.

Convert the interest you already get

If people find your course but do not book, the leak is your course page and your booking flow. This is the most overlooked win in the funnel, because the traffic is already there and you are paying for it one way or another.

Roughly 70% of online carts are abandoned before payment (Baymard Institute, 2025, averaged across 50 studies), and a course booking is a cart. Some of that is unavoidable browsing, but a large chunk is fixable friction, and the reasons are well documented.

The biggest single killer is a surprise on price, a booking fee or VAT that appears only at the final step. Over a third of people walk at that point. So show the real, all-in price on the course page. The next three are all about effort and trust: do not force people to create an account to book, do not ask for fields you do not need, and let them see the full cost before they commit. The average online checkout has 11.3 form fields when about 8 would do (Baymard). For a course booking you often need far fewer. Name, email, the delegate details you are legally required to capture, payment. Everything else can wait until after the seat is secured.

A high-converting course page for a training provider has a short, specific checklist:

• The date, time, venue and price are visible without scrolling or clicking. Those are the four things a buyer is checking.
• The all-in price is shown, VAT included or clearly stated.
• Proof it is worth booking is on the page: reviews from past delegates, the accreditation badges that matter in your field (CPD, first aid awarding body, industry approval), and a count of how many people have taken the course. A sceptical buyer needs a reason to trust a date they cannot see yet.
• Booking works on a phone. In the UK, around 56% of ecommerce now happens on mobile (Statista, 2024), yet mobile typically converts at about half the rate of desktop. Most of that gap is friction. If your booking form is awkward on a phone, you are losing the half of your audience most likely to be browsing on one.
• You can book online, right now, without emailing to ask. Every “call us to book” is a handoff where interest cools, and self-serve booking also captures the evenings and weekends when nobody is answering the phone.
• There is a single, obvious “Book now” button.

Then catch the ones who slip through. If your booking or email tool can send one, an abandoned-booking email to someone who started but did not finish is one of the highest-return messages there is: recovery emails average a 50% open rate and win back a meaningful share of otherwise-lost bookings (Klaviyo, 2023 benchmark across 143,000 flows). A short, friendly “you left a seat in your basket, here it is” works.

Now, and only now, fill the top of the funnel

Once seats convert and people show up, more traffic is finally worth buying, because now it flows through a pipe that holds water. For scheduled and in-person providers, getting found by the right people looks different from generic “content marketing” advice.

Local search is where a lot of course buying starts. Someone needs a first aid certificate, searches for a course near them, and picks from what comes up. In the UK, 77% of consumers used the internet to find a local business in the past year, and 72% trust online reviews as much as a personal recommendation (BrightLocal). A complete Google Business Profile and the habit of asking every happy delegate for a review will, over time, do more for a local training business than most paid campaigns. It is slow, and competitors rarely keep it up.

Directories are reach you rent. Reed Courses and findcourses put you in front of large audiences and charge a commission on each enquiry or enrolment, negotiated privately and never published, so a directory booking is a lower-margin booking. Use them to fill spare seats, and know what each booking nets you after commission.

Repeat business is the seat you are probably leaving on the table. Training has a natural repeat engine: certificates expire. A three-year first aid certificate is a booking that comes due again on a date you already know. If you record each certificate’s expiry date, you can contact the delegate, or the employer who sent them, a couple of months before it lapses, and turn a one-off delegate into a recurring one.

The move most providers miss: one delegate into a pipeline

In workplace training, the person in the room is often not the person who paid. An employee attends your open first aid course; their employer sent them. That employer has other staff who need the same certificate.

One public delegate is a sample of a much larger order. If a delegate came from a company, there is a good chance that company would rather run a single closed course for eight of their people than send them one at a time, and that in-house booking is worth far more than the seat you just sold. Most providers never ask. They hand over the certificate and move on.

B2B buyers spend only about 17% of their buying journey talking to any supplier, and increasingly prefer to research and buy without a sales conversation at all (Gartner). They will not tell you they have a bigger need. You have to notice it and make it easy to act on. A simple line in your follow-up, “booking for a team? we run this on-site”, turns a completed public booking into the start of a commercial conversation. Selling to those buyers, who judge you more on whether you clearly know your subject than on your marketing polish, is its own skill.

The economics: when to run and when to cancel

A course can be half full and still lose money, and knowing where that line sits tells you when to promote a date hard and when to pull it.

Most of the cost of a scheduled course is fixed the moment you commit to the date. The trainer’s fee and the room are due whether two people book or twelve. Everything else, the certificates, the catering, the handouts, is small and per-head. That shape is what creates “phantom capacity”: a date on your calendar that looks like business but loses money. The one-day course below is illustrative, and your own figures will differ.

In this example the course needs about 7 of its 12 seats just to cover its own costs. Sell six and you have run a full day’s course to make a loss. Sell the eighth and every seat after it is close to pure margin. The gap between “nearly break-even” and “profitable” is only a seat or two, which is exactly the gap a waitlist or a well-timed reminder closes. You also need a run-or-cancel line decided in advance: below a set number of seats by a set date, you move delegates to another date rather than deliver at a loss. Setting that line, and pricing so the maths works in the first place, is the job of the pricing guide.

Frequently asked questions

How far ahead should I open bookings? Far enough that buyers can plan, but not so far that the date feels unreal. For most public courses, 6 to 12 weeks of lead time works, with the bulk of bookings landing in the final fortnight. Open earlier for anything people schedule around, like compliance deadlines, and use the early period to gauge demand: a date with no bookings three weeks out is telling you something while you can still act on it.

What is a good no-show rate? Judge it by seat type, against your own trend. On Cademy in 2025, paid public seats went unused 5.7% of the time and free seats 18.4%, so low single digits on paid seats is a reasonable aim if you take deposits and send reminders. Cost matters more than the rate: a 10% no-show rate on courses you were paid for in full barely stings, while the same rate on unpaid bookings is money straight off your margin.

Should I take a deposit or the full fee upfront? Full payment protects you most against no-shows but asks more of the buyer, which can cost you the booking, especially from new or price-sensitive customers. A deposit is the middle ground: enough commitment to change behaviour, low enough not to scare people off. Many providers take full payment from individuals and offer invoicing to established businesses. Decide it deliberately rather than defaulting to whatever your booking tool does out of the box.

Do course directories actually work? They can, as a supplement. They bring reach you would struggle to build alone, but on a pay-per-result model with a commission you cannot see, so every directory booking earns you less than a direct one. Use them for seats that would otherwise go empty, and never let them become your only channel.

My course in three weeks is not selling. What do I do now? Work the funnel backwards. Email your own list and past delegates for that subject, since warm contacts convert fastest. Check the course page on a phone for anything confusing or any surprise cost. Offer the date to anyone on a waitlist for a related course. If it is still short of your run line a week out, move the booked delegates to your next date rather than deliver at a loss, and tell them early and warmly.

Filling courses is a system you run

A filled course is the result of five joints holding: found, chosen, booked, paid, attended. Chasing bookings with more marketing while the checkout leaks and no-shows climb is pouring water into a pipe with the far end open. The gains in conversion and attendance are usually bigger and cheaper than any campaign.

The catch is that these joints are connected, and most providers run them in separate tools: a website for the course page, a form for bookings, a spreadsheet for who has paid, a calendar reminder they send by hand, a sticky note for the waitlist. Every gap between those tools is a joint where a seat leaks, because the reminder does not fire, the waitlist never gets offered the free seat, or a certificate expires with nobody looking. When booking, payments, reminders, waitlists and certificates run in one place, each certificate carrying the expiry date it was issued with, the seat holds without you chasing it. That is the case for running your bookings and your delivery on a single system rather than five, and it is exactly the gap Cademy is built to close. If you want the practical how-to first, start with reducing no-shows.

Pick the leak that is costing you most this month, and fix that one first.

Sources

• World Economic Forum, Future of Jobs Report 2025. https://www.weforum.org/publications/the-future-of-jobs-report-2025/
• accessplanit, State of the Training Industry Benchmark Report 2025. https://www.accessplanit.com/hubfs/2025%20Training%20Industry%20Benchmark%20Report.pdf
• NHS Digital, Appointments in General Practice (Dec 2023 to Nov 2024). https://digital.nhs.uk/data-and-information/publications/statistical/appointments-in-general-practice
• Hallsworth M. et al., “Stating Appointment Costs in SMS Reminders Reduces Missed Hospital Appointments”, PLOS ONE, 2015. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0137306
• Eventtia, event no-show and deposit data. https://www.eventtia.com/en/how-to-prevent-no-shows-at-your-events-tips-and-strategies/
• OpenTable, payment strategies to reduce no-shows. https://www.opentable.com/restaurant-solutions/resources/3-proven-payment-strategies-reduce-no-shows/
• Baymard Institute, Cart & Checkout Abandonment statistics, 2025. https://baymard.com/lists/cart-abandonment-rate
• Baymard Institute, Checkout Usability research. https://baymard.com/research/checkout-usability
• Statista, Mobile retail commerce as a share of UK ecommerce, 2024. https://www.statista.com/statistics/260967/uk-mobile-retail-commerce-sales-as-percentage-of-e-commerce-sales/
• Klaviyo, Abandoned Cart Benchmark Report, 2023. https://www.klaviyo.com/blog/abandoned-cart-benchmarks
• BrightLocal, UK Local Consumer Review Survey. https://www.brightlocal.com/research/uk-results-local-consumer-review-survey/
• Gartner, The B2B Buying Journey. https://www.gartner.com/en/sales/insights/b2b-buying-journey
• Reed Courses, provider terms (booking and commission model). https://www.reed.co.uk/courses/providers/c/terms/