4 Best Window Companies in St. Louis (2026)

Ranked by real Google ratings and review volume · How we chose

By Brad Smith, Home Services Expert · ✓ Updated November 2026 · 8 min read

We compared 18 window companies in St. Louis on Google Maps · 4 listed · How we rank

Replacing windows is rarely a quick decision, and the window companies in St. Louis on this page each pair a sales process with a crew install. Together they hold more than 4,700 Google reviews, with ratings between 4.4 and 4.7, and the review counts run from more than 600 to more than 2,300, so how much feedback sits behind each score matters as much as the score.

Short answer: Renewal by Andersen leads on volume, rated 4.7 from more than 2,300 Google reviews. Window World of St. Louis (4.6, more than 1,000 reviews) and Universal Windows Direct of St Louis (4.6, more than 700) follow, with Champion Replacement Windows of St. Louis at 4.4 from more than 600. No prices are published here.

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1. Renewal by Andersen
2. Window World of St. Lo…
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Window replacement firms compared

#	Business	Rating	Reviews	Best for
1	Renewal by Andersen	4.7 ★	2,385	Windows and doors, largest review base	View ›
2	Window World of St. Louis	4.6 ★	1,044	Vinyl windows, doors and siding	View ›
3	Universal Windows Direct of St Louis	4.6 ★	714	Windows, siding and gutters together	View ›
4	Champion Replacement Windows of St. Louis	4.4 ★	617	Windows, sunrooms and sliding doors	View ›

4 Best Window Companies in St. Louis (2026)

The window companies, reviewed

#1 Overall🕑 Open 5 days/wk↩ Responds to reviews

Renewal by Andersen

4.72,385 Google reviews

Renewal by Andersen is a window and door replacement company with a St. Louis location in Bridgeton. Its site says it serves the St. Louis metro area, including St. Louis City, St. Charles and Metro East Illinois, plus Cape Girardeau and Bonne Terre, and offers a free in-home consultation. Reviewers describe full window installs and new entry doors.

What people praise

Reviewers describe crews who respect the home and clean up thoroughly, and one describes a complete one-day install
Professional sales and follow-up calls after installation, according to reviewers
One customer who replaced windows years ago came back for a new front door
Reviewers praise the quality and look of the finished windows

Worth knowing

One reviewer describes the purchase as certainly an investment

Reputation scorecardrank in St. Louis

Rating4.7 / 5

Review volume2,385 · 97th

Confidencevery high

Recency3 weeks ago

Info completenesssite · phone · hours

Rating breakdown91% 5-star

✓ VerifiedSource: Google

Our take: The largest review base on this page, and the reviews it has describe tidy, well-organized installs. Get the in-home quote in writing and compare it with at least one other company.

Website +1314-983-9977 Directions

13397 Lakefront Dr, Bridgeton, MO 63044

#2🕑 Open 6 days/wk↩ Responds to reviews

Window World of St. Louis

4.61,044 Google reviews

Window World of St. Louis is a replacement window company with an office in Earth City. Its site lists vinyl replacement windows, doors and siding, and it offers a free estimate request online. Google also lists it as a door supplier and a remodeler.

What people praise

Low-pressure sales, according to two reviewers
Crews that arrive on time and finish installs in less than a day
Installers who explain how the new windows operate and how to maintain them
One reviewer had 11 windows and a patio door installed and booked another 10 windows

Worth knowing

One reviewer reports a dispute over water damage found behind windows installed for the home's previous owner

Reputation scorecardrank in St. Louis

Rating4.6 / 5

Review volume1,044 · 92nd

Confidencehigh

Recency6 weeks ago

Info completenesssite · phone · hours

Rating breakdown83% 5-star

✓ VerifiedSource: Google

Our take: A good match if you want windows, doors and siding from one vinyl-focused company, and reviewers describe a pressure-free sales process. Ask how the crew checks the wall around each opening before installing.

Website Book now +1314-993-1800 Directions

3600 Rider Trail S, Earth City, MO 63045

#3🕑 Open 7 days↩ Responds to reviews

Universal Windows Direct of St Louis

4.6714 Google reviews

Universal Windows Direct of St Louis is a replacement window company based in Creve Coeur. Its site lists replacement windows, doors, vinyl siding and gutters, and describes its UniShield vinyl window line. Google also lists it as a siding contractor and sunroom contractor.

What people praise

Reviewers praise sales reps who stay patient and responsive through the project
Install crews described as professional, quick and careful with detail work
Scheduling teams that keep customers informed, per one reviewer
One reviewer says the company helped with extra windows under warranty

Worth knowing

One reviewer was happy with the window work but describes communication problems with the siding crew

Reputation scorecardrank in St. Louis

Rating4.6 / 5

Review volume714 · 86th

Confidencehigh

Recency3 weeks ago

Info completenesssite · phone · hours

Rating breakdown87% 5-star

✓ VerifiedSource: Google

Our take: A fit for homeowners who want windows plus siding or gutters handled by one company. If you add siding, ask how the window and siding crews are scheduled.

Website +1314-878-0300 Directions

11993 Borman Dr, St. Louis, MO 63146

#4🕑 Open 7 days↩ Responds to reviews

Champion Replacement Windows of St. Louis

4.4617 Google reviews

Champion Replacement Windows of St. Louis operates from Fenton. Its site lists replacement windows, sunrooms, siding and doors, and calls the company a single-source USA manufacturer for over 70 years. Reviewers describe window and door sales visits, a sliding glass door, and a deck cover.

What people praise

Reviewers describe sales reps who are knowledgeable, clear about options and low key
A returning customer says the service was consistently good across projects
One reviewer was happy with a deck cover built with a friendly, focused crew

Worth knowing

One reviewer reports slow follow-up on caulking and siding after a sliding door install, and the company's reply says local management would reach out

Reputation scorecardrank in St. Louis

Rating4.4 / 5

Review volume617 · 81st

Confidencehigh

Recency11 days ago

Info completenesssite · phone · hours

Rating breakdown78% 5-star

✓ VerifiedSource: Google

Our take: Worth a look if sunrooms or patio covers are on the list alongside windows. Ask who handles callbacks if a fix is needed after the install.

Website Book now +1636-764-0470 Directions

29 Cassens Ct, Fenton, MO 63026

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How the scorecard works

Rating is the live Google star average. Review volume is how many customers have rated the business, compared with other window companies in the St. Louis area. Confidence weighs the rating by that volume, so a 4.6 from hundreds of customers carries more weight than a 5.0 from a handful. Recency reflects how recently customers are still leaving reviews.

What drives window replacement cost in St. Louis (2026)

No prices are published here. Window quotes depend on how many openings you are replacing, the frame material and style, whether doors or a patio slider are included, and whether siding or trim work comes with the job. Ask each company for an itemized written quote so the numbers compare line by line.

Window installers serving the St. Louis area

These companies serve the St. Louis area from offices in Bridgeton, Earth City, Creve Coeur and Fenton. Renewal by Andersen’s site says it also covers St. Charles, Metro East Illinois, Cape Girardeau and Bonne Terre. Each listing has a phone number and directions, so you can reach the closest office.

What to ask a window company before you sign

Is the quote itemized by window, door and trim, and in writing?
How long will the install take, and will the crew finish in one day?
Who comes back if something needs adjusting after the install?
What warranty covers the product, and what covers the installation labor?
How will you check the wall around each opening before the new window goes in?
If I add siding or a door, who coordinates the extra crews?

Frequently asked questions

Do these St. Louis window companies also install doors?

Yes. Renewal by Andersen’s site covers window and door replacement, Window World’s lists doors and siding, Universal Windows Direct’s lists doors, siding and gutters, and Champion’s lists doors, siding and sunrooms.

How long does a window installation take in St. Louis?

Reviewers describe short installs. One Renewal by Andersen customer had a complete one-day install, and a Window World reviewer had 11 windows and a patio door done the same day. Timing depends on the number of openings, so ask for a schedule when you get your quote.

Are these national brands or local companies?

Renewal by Andersen, Window World and Champion are national brands with St. Louis-area offices in Bridgeton, Earth City and Fenton. Universal Windows Direct of St Louis is based in Creve Coeur. Whichever you choose, ask who handles warranty visits.

What should I ask about work after the install?

Ask each company who handles callbacks, how to reach them, and how quickly fixes are scheduled. Get the warranty terms for both the product and the installation labor in writing.

Picking a window company

Renewal by Andersen has the most reviews and the highest rating on the page, so start there if volume of feedback matters most. Whichever company you consider, get an itemized written quote and ask who handles problems after installation.

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