Credential window cleaning takes new glass from covered in job-site mess to move-in clear. Labels and stickers pulled, stucco splatter, paint overspray, caulk and silicone razored off, tracks and sills vacuumed out, frames wiped, then every pane squeegeed and detailed so nothing is left for the builder to fix.

The tech who quotes it is the tech who cleans it. One point of contact from the first walkthrough to the last pane.
A specific number for your glass, in writing, that does not move once we are on site.
If a pane still hazes after we leave, we come back and finish it. 4.8 stars on Google says the work holds up.
Tell us which windows, the address, and how long the spotting has been there. We will scope it and put a fixed number in writing, for free.