# Grammarly founding date

entity: /record/grammarly.md  
predicate: founded  
page: /record/grammarly/founded  
as_of: 2026-11-01  

As of November 1, 2026, Grammarly's founding date on the AsOf record is January 1, 2009, dated January 1, 2009, from a primary source (grammarly.com) and 2 further sources (zoominfo.com and channelnewsasia.com). The record holds 1 claim on Grammarly's founding date, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current founding date

What the record asserts on 2026-11-01.

- [Grammarly](/record/grammarly.md) | founded | 2009-01-01 | valid 2009-01-01 to present | conf 0.65 | valid | [clm_B93E0B696EC7](/claim/clm_B93E0B696EC7.md)
  sources: https://www.zoominfo.com/c/grammarly-inc/348687261, https://www.channelnewsasia.com/business/ukrainian-duo-became-billionaires-grammarly-2486401, https://www.grammarly.com/about, https://www.wikidata.org/wiki/Q16840770

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [Grammarly](/record/grammarly.md) | founded | 2009-01-01 | valid 2009-01-01 to present | conf 0.65 | valid | [clm_B93E0B696EC7](/claim/clm_B93E0B696EC7.md)
  sources: https://www.zoominfo.com/c/grammarly-inc/348687261, https://www.channelnewsasia.com/business/ukrainian-duo-became-billionaires-grammarly-2486401, https://www.grammarly.com/about, https://www.wikidata.org/wiki/Q16840770

## Questions this record answers

### What is Grammarly's current founding date?

January 1, 2009, dated January 1, 2009, from a primary source (grammarly.com) and 2 further sources (zoominfo.com and channelnewsasia.com). The record asserts this claim as of November 1, 2026 (status valid, confidence 0.65).


## Get this data

- JSON: /v1/entities/grammarly/founded (this fact) · /v1/entities/grammarly?predicates=founded (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "grammarly", predicates: ["founded"]) for every dated value · fetch(id: "/record/grammarly/founded.md") for this page
- Entity twin: /record/grammarly.md · timeline: /timelines/grammarly.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.