When a buyer offers a wildly generous price for a company, the usual interpretation is that markets have gone bubbly — too much money chasing too few deals. But a different explanation is unfolding in the United Kingdom. There, mid-sized listed companies have grown so cheap that even eye-watering takeover premiums leave foreign acquirers feeling like they got a bargain.
The evidence is piling up. Tate & Lyle, the 165-year-old British ingredients group that began as a sugar refiner, has received a £2.7bn bid from US peer Ingredion at a 57% premium to its pre-bid price. Hospital operator Spire is weighing a £1bn offer from its second-largest shareholder at a 66% premium. Historically, UK takeover premiums average around 30%. Mid-sized companies — those in the FTSE 250 index, sitting just below the FTSE 100 giants — usually drive UK dealmaking, accounting for about 60% of all bids long-term, but since the pandemic that share has climbed closer to three-quarters.
Here's the catch: mid-caps mirror the domestic British economy far more closely than the multinational-heavy FTSE 100. So when gloom settles over UK growth prospects, mid-cap share prices take the hit even if the underlying businesses are healthy. The FTSE 250 currently trades at roughly 12 times forecast earnings — not so cheap as to trigger indiscriminate buying, but cheap enough to feel like a sale. The American equivalent, the S&P 400 MidCap, trades at about 17 times. That gap matters in two ways. It boosts US executives' confidence (their 'animal spirits,' as Keynes put it), and it makes their richly valued stock a strong acquisition currency in deals paid partly with shares rather than cash.
Not every FTSE 250 name is a hidden gem. Strip out closed-end funds, real estate investment trusts, and companies whose revenue hasn't grown in three or more years, and barely half the index remains. Within that filtered set, however, 52 firms are growing top-line revenue by at least 10% a year — well above UK growth and inflation forecasts. The list ranges from wellness brand Applied Nutrition and online travel platform Trainline to 143-year-old engineer Goodwin, plus financials like broker AJ Bell and a clutch of energy companies.
But sales momentum isn't a foolproof guide. The fastest grower in the set, budget airline Wizz Air, is currently grappling with a looming fuel shortage, economic weakness, and wars affecting key markets. Overloaded balance sheets can also bring high-flying firms back to earth with a bump. One feature of the mid-cap index is that it contains both rising stars and fading names, which makes it especially well suited to active investing — and to opportunistic dealmaking — rather than passive index tracking.
The deeper question is whether the current wave of bids changes anything structural. If mergers continue to pick up, more investment funds may take a fresh look at the sector, lifting middling valuations across the board. The irony is that such a rerating would gradually shrink the very premiums that lured foreign buyers in the first place. For now, though, Britain looks like a sale rack: the merchandise isn't broken, the prices are marked down, and the shoppers walking in have stronger wallets.
When a US giant offers a 57% premium to buy a 165-year-old British sugar refiner, it's not generosity — it's a flashing sign that London's mid-cap stocks have gotten dangerously cheap.
Dealmaking in the UK's mid-sized company market is suddenly booming. Tate & Lyle, the famous British ingredients group, just received a £2.7bn bid from US rival Ingredion at a 57% premium, while hospital operator Spire is weighing a £1bn offer from its second-largest shareholder at a 66% premium. Normally takeover premiums hover around 30%.
The reason isn't that these companies are amazing — it's that the UK stock market is so beaten down that even hefty premiums still let foreign buyers acquire solid businesses on the cheap. The FTSE 250 trades at about 12 times forecast earnings, versus 17 times for America's equivalent S&P 400 MidCap index.
The right mental model isn't 'British companies are hot' — it's 'British companies are on sale, and the people noticing are foreign shoppers with stronger currencies and more expensive home stocks.'
If you're thinking about finance, economics, or even just where to work after university, this is a live case study in how national economic mood translates into corporate ownership. When confidence in a country drains away, its companies get bought out by foreigners — meaning fewer headquarters, fewer senior jobs, and less tax revenue stay at home. The UK has been losing listed companies for years, and this wave could accelerate it.
Big M&A waves usually mark either market tops (bubbly behaviour) or deep value moments (everything's cheap). This one looks like the latter. If American CEOs feel emboldened — and their richly valued stock makes a great acquisition currency — expect more cross-border bids. The second-order effect: as takeovers pick up, active fund managers may rediscover UK mid-caps, potentially lifting valuations even for companies that don't get bought. The irony? A rerating would shrink the very premiums that made the deals attractive in the first place.