6 TOP Polish window manufacturers: Comparison and reviews

If you’re planning to import windows for your next project, chances are you’ve considered Polish window manufacturers. Not without reason – Poland is Europe’s largest exporter of windows.

But with thousands of factories to choose from, how do you know which ones can actually meet the demands of your site?

To verify which Polish window companies are worth your time, read our comparison for developers and contractors.

Key problems with Polish window manufacturers:

Based on what we hear from European contractors and developers, the biggest problems are:

  • unclear pricing and long quoting times,
  • poor communication,
  • product mismatches,
  • and delays in larger orders.

What we checked and why:

To help you avoid that, we’ve ranked selected manufacturers by criteria that matter on the construction site:

  • Pricing transparency – Can you get a rough price estimate quickly, without chasing emails?
  • Customer ratings on Google and portfolio – Does the manufacturer actually deliver what they promise?
  • Offered systems and specs – Do they work with the brands and performance you need (e.g. Aluprof, Schüco, Salamander)?
  • Production scale – Can they handle repeat orders of 50+ windows on short lead times?
  • Ease of contact – Is there someone available who speaks English and can respond quickly?

This comparison won’t tell you which manufacturer is “best in the world”. But it can save you days of back-and-forth with the wrong ones.


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Manufacturers are listed alphabetically

Bertrand polish window manufacturer

Products offered:

  • Windows
  • Entry doors
  • Patio doors
  • Garage doors
  • Shutters
  • fly screens
  • Facades

Materials: uPVC, aluminium, wood

Brands offered: Aluprof, Cortizo, Decco, Gealan, Reynaers

Pricing transparency: Not available – must contact for details

Google rating: 3.5/5 (146 reviews)

Portfolio on website: Yes

Company size: PLN 120K paid-in capital, ~300 employees

Communication channels: Phone, contact form, email

Bertrand window manufacturer from Poland

DAKO manufacturer from Poland

Products offered:

  • Windows
  • Entry doors
  • Patio doors
  • Garage doors
  • Blinds
  • Fly screens

Materials: uPVC, aluminium, wood

Brands offered: Aluprof, Veka

Pricing transparency: Not available – must contact for details

Google rating: 4.0/5 (180 reviews)

Portfolio on website: Yes

Company size: PLN 50K paid-in capital, PLN 250M revenue, ~400 employees

Communication channels: Phone, contact form, email

Dako window manufacturer from Poland

Drutex Polish manufacturer

Products offered:

  • Windows
  • Entry doors
  • Patio doors
  • Garage doors
  • Shutters
  • Fly screens
  • Pergolas
  • Facades

Materials: uPVC, aluminium, wood

Brands offered: Iglo (own extrusions), Aluplast, Aluprof

Pricing transparency: Not available – must contact for details

Google rating: 3.7/5 (458 reviews)

Portfolio on website: Yes

Company size: PLN 21.7M paid-in capital, PLN 1.5B revenue, ~4K employees

Communication channels: Phone, contact form, email

Drutex window manufacturer from Poland

Eko-Okna Polish producer

Products offered:

  • Windows
  • Entry doors
  • Patio doors
  • Garage doors
  • Shutters
  • Fly screens
  • Pergolas

Materials: uPVC, aluminium, wood, steel

Brands offered: Aliplast, Aluplast, Aluprof, Cortizo, Esperia, Forster, Gealan, Naturo, Reynaers, Salamander,

Pricing transparency: Not available – must contact for details

Google rating: 3.4/5 (755 reviews)

Portfolio on website: No

Company size: PLN 2.1M paid-in capital, PLN 5B revenue, 10K-15K employees

Communication channels: Phone, contact form, email

Eko-Okna window manufacturer from Poland

Oknoplast manufacturer

Products offered:

  • Windows
  • Entry doors
  • Patio doors
  • Pleated blinds
  • Fly screens

Materials: uPVC, aluminium

Brands offered: Aluprof, Veka

Pricing transparency: Not available – must contact for details

Google rating: 3.7/5 (184 reviews)

Portfolio on website: Yes

Company size: PLN 105K paid-in capital, PLN 1.2B revenue, ~2K employees

Communication channels: Phone, contact form, email

oknoplast window manufacturer from Poland

Pagen manufacturer

Products offered:

  • Windows
  • Entry doors
  • Patio doors
  • Fly screens
  • Shutters
  • Garage doors
  • Pergolas

Materials: uPVC, aluminium

Brands offered: Aluron, Aluprof, Ponzio, Salamander, Schuco

Pricing transparency: Not available – must contact for details

Google rating: 3.7/5 (458 reviews)

Portfolio on website: Yes

Company size: PLN 3.2M paid-in capital, PLN 111M revenue, ~200 employees

Communication channels: Phone, contact form, email

Pagen window manufacturer from Poland

Don’t confuse manufacturer names with system providers – it can cost you

In many offers, what looks like a window brand is actually just the name used by the fabricator. The real system – like Aluprof, Schüco or Salamander – is often hidden behind the manufacturer’s own label.

Why does that matter?

Because not knowing which system was used can lead to wrong assumptions about thermal performance, lead times, or even installation requirements.

If you’re comparing quotes, always ask which system provider was used. That’s the only way to ensure you’re comparing like for like – and not being misled by clever branding.

How to verify a Polish supplier before you pay

Ordering from a Polish manufacturer for the first time? Here’s how to check if they’re reliable. Before you send a deposit, make sure the company actually exists – and has a history of delivering what it promises.

We’ve listed 9 key checks to help you verify:

  • if the company is legally registered and active,
  • if it has a clean credit and payment history,
  • and if it provides real project references for large orders.

These steps can save you from weeks of delay and thousands of euros lost to non-serious suppliers.

Summary: Why choosing the right Polish supplier isn’t as easy as it sounds

Poland produces and exports more windows than any other country in Europe. But with over 2,000 manufacturers to choose from, most without clear data on performance or reliability, it’s hard to know where to start — or who to trust.

In this ranking, we covered only a few suppliers. That’s because most companies don’t meet the expectations of developers, general contractors or architects working on large-scale projects.

  • Verifying suppliers,
  • checking system compatibility,
  • analysing lead times and complaint ratios

— we do this every week on real orders for real sites.

If you’re looking to avoid trial and error, and focus on predictable results, it helps to work with someone who knows the Polish market from the inside.

about author

Bartek Michalak

I’m a co-owner of debesto.com, a company specializing in helping construction professionals to profitably import windows from Poland. With a decade in the fenestration market, I excel at resolving customer issues and am adept at making complex window technology understandable for everyone. The expression of this is the website debesto.com for which I’m responsible.

Connect with me

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  • - deep business understanding
  • - secure on-site delivery
  • - timeliness
  • - exceptional communication and support
  • - incredibly smooth process
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Delivery time

What is the lead time of an average order?

The total time from manufacture to delivery of the windows to the US port is on average 7-10 weeks depending on the destination port and delivery method that you can choose from debesto delivery price list.

Add to this the production time of the windows (from 2 to 8 weeks).

The maximum expected production time can be found on the pro forma invoice. We deliver 97% of all orders shipped worldwide according to the deadline we declare on the pro forma invoice. If we are late, we give you a 2% discount.

More questions about the delivery? Check Frequently Asked Questions about importing windows to the US

Warranty and safety

Do the products come with an international warranty?

Yes, products are covered by the debesto worldwide warranty, provided they are installed according to the professional standards and applicable regulations in the country of installation.



Are the windows insured during shipment?

Yes, all products are fully insured during transportation, covering the entire value of the products.

Any concerns about potential issues with windows from Poland? Discover 5 main reasons for complaints and ways to solve them

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