Wikipedia:Articles for deletion/Data Ladder
I don't see significant coverage in independent, reliable sources. Many of them don't even identify who wrote the content. Going through the sources, http://pages.cs.wisc.edu/~anhai/papers/magellan-tr.pdf, identifies its authors, but it barely mentions the subject. "tom" at https://stackoverflow.com/questions/46007/tools-for-matching-name-address-data/127893 who says that he "used dataladder.com for a big dataset of names. They did a fantastic job matching up different databases with very different spellings and cut through a lot of duplicates". http://pages.cs.wisc.edu/~anhai/papers1/umetrics-edbt19.pdf names it's many authors, but again, makes barely a mention of Data Ladder. https://analyticsindiamag.com/10-best-data-cleaning-tools-get-data/ was written by Srishti Deoras, who works as Associate Editor for Analytics India Magazine. But all she has to say is "These user friendly tools help businesses from any size and any industry to manage their data cleansing processes with ease." The rest is similar. Barely paraphrased material from press releases trying to pass as analysis in "top 10" listcles. The sourcing of this article doesn't come close to meeting the notability requirements for companies described in 
— User:Vexations, 02:50, 22 January 2020 (UTC)
Stance: delete
Cited policy: WP:NCORP (Wikipedia:Notability)