Emma vs Casper: Which Should You Buy?

Casper was one of the brands that created the boxed mattress category, and for a period it was the reference point everything else was compared against, including Emma, which is still trading here and is one of the largest sellers in Britain.

If you are reading this because you own a Casper and are replacing it, the section at the bottom is the useful part. If you are reading it because the comparison is still on your shortlist, the shortlist is out of date.

What Casper was, and what Emma is

The two brands were genuinely similar products when the comparison mattered: foam-led boxed mattresses sold direct with a long trial, in the same firmness range, at similar prices. Emma has since moved its whole Original line onto pocket springs. That is why the comparison was worth making at the time.

What separated them in the end was not construction, and it was not solvency either. It was which company thought Britain was worth the trouble.

What a withdrawal tells you that a failure does not

Casper is worth a page on this site precisely because nothing went wrong with it. It left the UK and Europe in July 2020 to concentrate on North America and is a larger company now than when it sold here. No administrator, no liquidator, no creditors. Its British companies were simply closed: one dissolved on 6 January 2026, the other carrying an active proposal to strike off.

A British owner ended up in exactly the same position as if the brand had collapsed, and that is the lesson. A ten year guarantee gets read as a bet on whether the company will survive, when the thing that actually decides it is whether the company stays in your market. Those are two different risks, and only the first one ever gets discussed.

It is also the risk you cannot read off a product page, because there is no bad news to find. A healthy multinational can close a subsidiary on a strategy call.

Which makes the trading entity worth more attention than the brand. Emma Sleep UK Limited was incorporated on 14 December 2020 and sells a ten year guarantee, so the company is younger than its own promise. That is not a strike against Emma, which is trading well. It is simply the figure to hold in mind when you weigh what year eight is worth to you.

And whatever the brand does afterwards, the claim you can actually enforce is against whoever sold you the mattress, under the Consumer Rights Act 2015, for up to six years in England, Wales and Northern Ireland and five in Scotland. Buying through a third party keeps that route open even when the brand walks away.

If you are buying Emma, read the range first

Emma also renames and repositions models frequently, so treat a model name as a label rather than a specification. Ask instead: is there a spring layer, how tall is it, what is underneath it, and how deep is the mattress.

And note the discounting. Emma lists high and discounts close to permanently, and the CMA issued a consent order against Emma in May 2026 over urgency countdown timers, which were found unlawful. Judge the cash price against what else it buys today.

What to buy instead

Casper sold a foam mattress in a box with a long trial. Most people reading this want that again, from a company that will still answer the phone.

Where to go next

How this list is made, and who made it

Who writes this. Kyle Klinkradt has worked in the mattress and bedding industry for over ten years across retail, distribution and brand partnerships, and has handled, sold or assessed products from every major UK bed-in-a-box brand. Every review on this site is written by one person, so the scores mean the same thing from page to page.

What the assessment is. Construction specifications against what they physically do: spring height and where in the mattress it sits, spring count for the size, gauge, whether the base is sprung or foam, foam density where it is published, comfort layer depth and material. Then the commercial terms that decide what you are actually buying: trial against returns policy, guarantee length against the company's UK trading history at Companies House, and the regulatory record.

What it is not. This is not a laboratory. I do not publish pressure-mapping data or claim to have slept eight years on every mattress here, because nobody has and pages that imply otherwise are not telling you the truth. Where a judgement rests on construction rather than long-term use, the review says so.

What gets a product removed. Leaving the UK market, a specification change that makes the review inaccurate, or a corrected fact. Brands that have withdrawn are kept on the site with the score removed rather than quietly deleted, because people still search for them.

See editorial independence, corrections and the author page.

How this comparison is made

Both products are scored on the same criteria used across this site: support, pressure relief, motion isolation, edge support, temperature, durability and value. The scores in the table are the ones on each product's own review page, and they do not change to suit a comparison.

Where a brand publishes a specification, it is quoted. Where it does not, that is stated rather than estimated, because an absent specification is itself information: foam density and spring count for your own size are the two most commonly withheld.

Prices move constantly in this category and both brands discount heavily, so cash prices are given as a guide and the comparison rests on construction rather than on a percentage off.