LinkedIn, Meta or TikTok: which paid social actually fits
The right paid social channel is set by who your buyer is and what a customer is worth, not by which platform quotes the lowest CPM. Here is how we choose between LinkedIn, Meta and TikTok.
The cheapest CPM is usually the most expensive decision
Every few weeks someone tells me they are moving budget to whichever channel quotes the lowest cost per thousand impressions. It is an understandable instinct and almost always the wrong one. A low CPM only tells you that reach is cheap on that platform, not that the reach is worth having. If you put your offer in front of ten thousand people who will never buy it, you have not saved money, you have spent it efficiently on the wrong audience. The number that matters is the cost of a customer you actually keep, and that number can be highest exactly where the CPM looks lowest. Paid social is not one decision. LinkedIn, Meta and TikTok are different machines built for different jobs, and the honest answer to which one fits is that it depends on who you sell to and what a sale is worth to you. That is not a hedge, it is the whole method. Get those two things straight first and the channel choice becomes obvious. Skip them and you end up optimising a campaign that was never going to work, then blaming the platform.
Start with the buyer, not the platform
Before we look at a single ad account we write down who has to see the ad for it to matter. Sometimes the buyer is a job title inside a company, a head of procurement or a finance director, and the purchase is considered, expensive and made by committee. Sometimes the buyer is a person at home deciding whether your product is worth an evening of research and a few hundred pounds. Sometimes there is no active buyer at all yet, just a group of people who would want the thing if they knew it existed. Those are three completely different marketing problems, and each maps to a different channel and a different job for the creative. The mistake we see most often is a business picking the platform it personally enjoys, or the one a competitor is loud on, and reverse engineering a reason. That is backwards. The audience does not care where you would prefer to advertise. Decide who you need to reach and in what state of readiness, and let that dictate the channel. Everything after that, the targeting, the creative, the bidding, is execution, and execution cannot rescue a channel that was never where your buyer was.
LinkedIn: when your buyer is a job title
LinkedIn is the only channel where you can target by the thing that actually defines a B2B buyer, which is their role, seniority, company and industry rather than a guess assembled from browsing behaviour. That precision is genuinely valuable when you are selling a considered business purchase, because you can put a specific message in front of the finance directors of manufacturing firms of a certain size and almost nobody else. When the deal is worth thousands and the sales cycle runs for months, that accuracy is worth paying for. This is where LinkedIn advertising earns its keep, and where we point clients who sell into named roles. The catch is that LinkedIn is expensive per click, often several times what you would pay elsewhere, and it punishes the wrong fit hard. If your product is low value, sold to consumers, or bought on impulse, LinkedIn's precision is a premium you cannot recover. We have talked more than one prospect out of it, because the maths simply does not close: the customer is not worth enough to justify the cost of reaching them there. LinkedIn is a scalpel, and you only pay scalpel prices when the job actually needs one.
Meta: the workhorse for considered consumer and local demand
Meta, meaning Facebook and Instagram, is the flexible middle ground and for most consumer and local businesses it is the sensible default. The targeting is broad rather than role based, but its scale, its creative formats and the maturity of its optimisation mean it is very good at finding people likely to buy a considered consumer product at a cost that keeps the numbers honest. It rewards volume and variety in creative, so it suits businesses that can feed it a steady stream of angles rather than one polished advert run to exhaustion. For a lot of our clients this is where the reliable, repeatable pipeline comes from. Where Meta struggles is precise B2B. You can approximate a professional audience with interests and behaviours, but you are inferring the buyer rather than naming them, and for a narrow, high value business target that inference gets expensive and wasteful. Meta is at its best when your audience is large enough that broad targeting plus a strong offer plus good creative does the sorting for you. If you sell something a reasonably wide slice of people might want, and you can produce creative at pace, Meta advertising is usually the first channel we test.
TikTok: cheap attention, but rarely cheap intent
TikTok is where the low CPM temptation is strongest and where it does the most damage to a plan. Attention on TikTok is genuinely cheap, and for the right product with the right creative you can build demand and awareness at a cost that looks unbeatable on a spreadsheet. The key word is build. TikTok is a demand creation channel. People are not there to buy, they are there to be entertained, and the platform works when your ad interrupts that entertainment well enough to plant a want that converts later. That is a real and valuable job, but it is not the same job as capturing someone ready to purchase today. So TikTok fits when you have a visually demonstrable product, margin to fund the top of the funnel, and the patience to measure success further down the line than a last click report will show you. It fits badly when you need leads this quarter for a considered B2B sale, or when your margins cannot absorb the people who watch, enjoy and never buy. Judging TikTok purely on immediate conversions will make it look like a failure even when it is quietly doing its actual job, which is why measurement has to be set up honestly before the first pound goes in. Our view on where TikTok advertising fits is deliberately narrow, and we would rather say so than sell you a channel that flatters its own CPM.
Margin is the number that decides everything
Underneath all of this sits one figure that most channel debates ignore: what a customer is actually worth to you. Your margin, and your ability to earn from a customer more than once, sets the ceiling on what you can afford to pay for a click, a lead and a sale. A business with healthy margins and repeat purchases can win on almost any channel because it can outbid rivals for the same attention and still profit. A business running thin one off margins has very little room, and for it the cheap CPM channel that brings low intent traffic is a fast way to lose money at scale. This is why we start a paid social plan with your economics, not the platform's rate card. Work out what a customer is worth, decide what you can pay to acquire one and stay profitable, and the viable channels narrow themselves. High value considered B2B can carry LinkedIn's premium. Healthy margin consumer products can make Meta hum and afford to build demand on TikTok. Tight margin businesses need ruthless focus on the channel closest to real intent. The platform question is downstream of the margin question, always, and answering them in that order is most of the work.
How we actually choose, and combine
In practice the answer is rarely a single channel forever. It is the right channel for the job you have right now, sequenced as the business grows. A young company with a considered B2B product and a limited budget usually starts on LinkedIn where the targeting removes the waste, even though the clicks are dear. A consumer or local business almost always starts on Meta, where scale and creative volume find buyers at a workable cost. TikTok enters when there is margin to fund demand creation and a product that shows well on video, and it earns a place as a layer above the channels that capture the intent it creates. What we will not do is run all three at once because it looks thorough, or move budget toward a cheaper CPM without checking whether the cheaper reach is reach worth having. Four of us run these accounts, all senior, and every plan starts from your buyer and your margin rather than a template. If you want a straight answer about which paid social fits, and an equally straight answer when the honest recommendation is only one channel or none of them yet, that is the conversation to have. The full picture of how we run paid and AI ads sits behind the links below.