IKEA makes great furniture. For a home. For personal use. For one person or one family in a space where furniture gets used normally.
Put it in a restaurant, a bar, or an office with 20 or more employees and here's what actually happens.
How IKEA furniture is built
IKEA furniture is engineered for three specific constraints: residential use, flat-pack shipping, and a competitive retail price point. Those three constraints produce a specific type of product.

The frames are primarily particleboard and MDF, which are engineered wood products that are strong enough for home use but not designed for daily commercial traffic. The joinery is cam-lock and dowel construction, which is faster to assemble and easier to ship in a flat box, but not designed for thousands of use cycles.
The upholstery is rated for residential use. Typically 10,000 to 15,000 double rubs on the Wyzenbeek abrasion test. Commercial upholstery standards start at 50,000.
None of this is a criticism of IKEA. They build exactly what they say they build. The problem is placing it somewhere it was never designed to be.
What happens in year one
In a commercial environment, IKEA furniture typically shows significant wear within 6 to 12 months. Here's what that looks like in practice.

Particleboard swells and delaminates when exposed to moisture. In a food service environment that means every cleaning cycle, every spill, every end-of-night mop is working against the material. Once moisture gets into the edges of particleboard, it doesn't recover.
Cam-lock joinery loosens under repeated stress. The cam-lock mechanism that makes flat-pack furniture easy to assemble is also the joint that fails first in a commercial use cycle. Chairs wobble. Tables become uneven. Once a cam-lock joint is loose, tightening it is temporary at best.
Fabric tears, pills, and stains in ways that can't be remedied with commercial cleaning products because the fabric wasn't rated for them. Use a bleach solution on residential upholstery and you'll fade or damage it. Don't use a strong enough cleaner and the fabric holds bacteria and odors from daily food service.
At 18 months you're looking at replacement.
The cost comparison over 5 years
Here's the math that changes the conversation.
Furnishing a 40-seat restaurant with IKEA dining chairs at $80 each is $3,200 on day one. But in a commercial environment those chairs need replacing at 18 months. And again at 36 months. And again at 54 months. Three replacement cycles in 5 years is $9,600 in chairs, plus the labor cost of replacing furniture and the operational disruption of doing it mid-service.
Commercial dining chairs at $150 to $200 each for the same 40-seat restaurant is $6,000 to $8,000 on day one. Still in service at year five. No replacement cost. No disruption.

You spend more on day one. You spend less over the life of the business. And you never deal with replacing furniture mid-service when every closed table is lost revenue.
The foam difference
One thing most people don't think to ask about: foam density.
Consumer furniture uses foam rated at 15 to 25 ILD (indentation load deflection). It's comfortable out of the box and compresses significantly under regular use. In a commercial environment with 30 to 50 guests sitting in a chair every day, consumer foam is flat in 6 to 12 months.
Commercial furniture uses foam rated at 35 to 40 ILD. Denser, holds its shape longer, rated for the use volume a commercial space puts through it. When you sit in a commercial chair that's been in service for 3 years, it should feel the same as day one.
When you're evaluating commercial furniture, ask for the ILD rating. Get it in writing. If a supplier can't give you that number, ask why.

When retail furniture actually makes sense
To be direct about it: retail furniture has a place in commercial settings.
A pop-up or temporary installation with a defined end date makes retail the right call. Why pay for 10-year durability on a 6-month installation?
A startup with genuinely tight cash flow in month one can buy retail as a bridge, with a plan to replace it. Just know the replacement is coming and budget for it.
A private back office used by one or two people daily is a different use case than a public-facing dining room. Residential grade is probably fine there.

But for any public-facing space with daily guest traffic, commercial furniture is the correct choice economically and operationally. The math bears it out and the guest experience reflects it every service.
The bottom line
The question isn't whether retail furniture is cheaper on day one. It is. The question is whether it's cheaper over the life of your business. In every commercial use case with meaningful daily traffic, the answer is no.
Related reading: How Long Does Commercial Furniture Last · Commercial Furniture vs Retail · Commercial Upholstery Fabric Guide
