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Close.io is the inside sales CRM of choice for startups and SMBs. Make more calls, send more emails and close more deals starting today.
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In 2024, Close.io's revenue reached $17M. The company previously reported $10.7M in 2023. Since its launch in 2013, Close.io has shown consistent revenue growth.
Close.io is a bootstrapped Sales Engagement Software startup. Founded in 2013, Close.io has grown to $17M in revenue without raising any venture capital or outside funding.
As a self-funded Sales Engagement Software SaaS company, Close.io has built its business with no outside investment.
| Year | Round | Amount | Valuation | % Sold | Source |
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| Question | Answer |
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| What's your age? | - |
| Favorite online tool? | - |
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| Favorite CEO? | - |
| Advice for 20 year old self | - |
We do not have customer count information for Close.io yet.
Close.io employs approximately 156 people as of 2026, up from 127 in 2023.
Close.io generates an estimated $17M in annual revenue.
Close.io was founded by Steli Efti.
The CEO of Close.io is Steli Efti.
Close.io is bootstrapped and has not raised outside funding.
Close.io has 156 employees.
Close.io is headquartered in San Francisco, California, United States.
Close.io operates across multiple industries. Browse revenue, funding, and growth data for Close.io 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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2024 Revenue
$17M(Est.)
Funding
$0
Team
156
Founded
2013
| Year | Milestone | Source |
|---|---|---|
| 2024 | Close.io Hit $17m revenue in October 2024 | Estimated |
| 2023 | Close.io Hit $10.7m revenue in December 2023 | Estimated |
| 2021 | Close.io Hit $5.2m revenue in May 2021 | |
| 2013 | Launched with $0 revenue |
| Year | Milestone | Source |
|---|---|---|
| 2024 | Reached 156 employees (December 2024) | |
| 2024 | Reached 143 employees (October 2024) | |
| 2023 | Reached 127 employees (December 2023) | |
| 2022 | Reached 88 employees (December 2022) | |
| 2021 | Reached 74 employees (December 2021) | |
| 2021 | Reached 64 employees (May 2021) |
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