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London, England, United Kingdom
Provider of language processing technology intended to offer people with accurate proofreading. The company's technology specializes in Artificial Intelligence (AI) and Natural Language Processing (NLP) technologies to solve the problems which arise from the complexity of human languages, enabling users to avoid embarrassing mistakes.
Last updated
In 2021, 1Checker's revenue reached $712.8K. Since its launch in 2010, 1Checker has shown consistent revenue growth.
1Checker reached a $2.1M valuation in 2025, set during its M&A Offer round.
| Year | Round | Amount | Valuation | % Sold | Source |
|---|---|---|---|---|---|
| 2025 | M&A Offer | - | $2.1M | - |
| Question | Answer |
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| What's your age? | - |
| Favorite online tool? | - |
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| Advice for 20 year old self | - |
1Checker serves 700K customers.
1Checker employs approximately 12 people as of 2026. It serves 700K customers that rely on its solutions.
1Checker generates $712.8K in revenue.
1Checker was founded by Yichi Zhang.
The CEO of 1Checker is Yichi Zhang.
1Checker raised $0.
1Checker has 12 employees.
1Checker is headquartered in London, England, United Kingdom.
1Checker operates across multiple industries. Browse revenue, funding, and growth data for 1Checker in each sector below.
All figures on this page are taken directly from interviews or are estimates from public sources and proprietary models. Not financial advice. Read full disclaimer.
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Valuation
$2.1M
2021 Revenue
$712.8K
Customers
700K
Funding
$0
Avg ACV
$1
Team
12
Founded
2010
| Year | Milestone | Source |
|---|---|---|
| 2021 | 1Checker Hit $712.8k revenue in April 2021 | |
| 2010 | Launched with $0 revenue |
| Year | Milestone | Source |
|---|---|---|
| 2021 | Reached 12 employees (April 2021) |
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