Does your LinkedIn prospecting pay off?

Return on investment compares what prospecting brings in with what it costs. An ROI of 100% means every dollar spent brings back two: the dollar invested and one dollar of gain. A negative ROI means prospecting costs more than it brings in over the period.

For LinkedIn prospecting, the calculation starts from the number of meetings booked, because that is what the tool or the setter produces. The rest depends on your ability to close and on what a customer is worth to you.

The margin defaults to 100%, which means calculating on revenue. If you sell a service, lower it to account for the time spent delivering it. If you sell a product, use your gross margin.

The break-even point tells you how many meetings a month you need to cover your costs at your close rate. It is the most useful number for a decision: if it is low, the question is no longer whether prospecting pays off, but how many meetings it can produce.

A fictional example, taken from the prefilled values: a consultant books 4 meetings a month, closes 20% of them and bills $2,000 per customer on average. They use MimikFlow Pro at $97 a month.

0.8 customers a month means, in practice, a new customer almost every month. With these numbers, a single customer covers more than twenty months of subscription, and the break-even point is under one meeting a month.

The result looks spectacular because a tool costs little next to the value of a B2B customer. The real question is not the price of the tool, but how many meetings it produces on your target. That is the assumption to test.

If you have no history yet, estimate your meetings with the LinkedIn meeting calculator. In the 50,930-invitation cohort of our 2026 study (in French), 1.6% of invitations sent to strangers led to an observed meeting, about one meeting per 63 invitations.

That rate is a floor, and it varies a lot by source: people who reacted to a post booked a meeting in 18.7% of cases, against 4.6% for strangers found through search.

• The prospecting tool subscription. At MimikFlow: $49 a month on Discovery, $97 on Pro with the AI setter and meeting booking, $167 on Agency (billed in euros).
• Your LinkedIn subscription, if you pay for one to prospect.
• The time you spend on prospecting yourself, valued at your hourly rate. It is a real cost, even if it never shows up on an invoice.
• The time spent in meetings and on proposals, if you want a complete picture.

Add these amounts to the “other monthly costs” line. If you are weighing several options, the appointment setter cost calculator breaks down the cost of a human setter.

• Raise the quality of meetings before their number. A close rate going from 20% to 30% lifts revenue by half without a single extra invitation.
• Work warm sources. In the study, a reaction to a post led to a meeting in 18.7% of cases, against 4.6% for a stranger found through search.
• Keep messages short and follow up. Under 200 characters, the reply rate reaches 50.5%, and three follow-ups cover 90.2% of observed replies.
• Sell more to each customer. A broader offer or a subscription raises customer value without changing your prospecting.

The LinkedIn acceptance and reply rate calculator shows which step of your funnel limits the number of meetings. It is often the cheapest lever to pull.

The first month rarely shows the real yield of a campaign. Invitations are decided quickly, since 92.8% of acceptances arrive within a week according to our 2026 study, but replies take longer: 15.2% arrive after the first week, and one in fifteen after two weeks. Meetings come next, then the signature.

Judge your prospecting over two or three months, not over the first fortnight. Fill in the calculator with the meetings of a full month, once the campaign has been running for several weeks, to get a return on investment that reflects your normal pace.

The calculation works on one month, but a B2B sale often takes longer. If your sales cycle lasts three months, the customers you sign today come from meetings held three months ago. The first months of a campaign therefore cost money before they pay back.

It also ignores the value of a customer over time. A customer who renews every year is worth more than their first invoice. If you know the average value of a customer over the whole relationship, use it instead of the value of one sale.

Finally, the close rate depends on the quality of the meetings. A hundred meetings with people who cannot buy are worth less than ten with decision-makers.