Checkly
Checkly sells application reliability software that helps engineering teams monitor and fix performance issues. The 52-person company raised $32M in a Series B round in July 2024.
The growth story
Checkly grew from 12 to 52 employees between 2020 and 2026, raising $32M along the way, most recently a Series B in July 2024.
About
Checkly provides tools for engineering teams to test and monitor application performance across development and production environments. Its software alerts teams to outages, updates status pages automatically, and provides full-stack traces to help diagnose problems.
The company has raised $32M in funding, most recently in a July 2024 Series B round led by Accel and Balderton Capital. With 52 employees, Checkly draws engineering talent from companies like Sauce Labs, Contentful, and Datadog.
Founders and leadership
Engineering is Checkly's largest function, with 23 employees. The company has a median tenure of 2 years, suggesting moderate turnover.
The Checkly org chart
Hannes Lenke (CEO & Co-Founder) leads 17 mapped leaders with 3 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 19 (-14% YoY), Sales 10 (+43% YoY), Information Technology 6 (+20% YoY), Marketing 3 (0% YoY), Business Development 3 (0% YoY), Product Management 3 (0% YoY).
Talent flow
Checkly hires engineers from testing and monitoring companies like Sauce Labs, Contentful, and Datadog. Alumni have moved to PostHog, BrowserStack, and Komodor.
Most common previous employers of Checkly staff: Sauce Labs (6), Contentful (6), Applause (4), TestObject - Mobile Testing (4), Datadog (3), Prisma (3). Former Checkly employees most often moved to PostHog (2), Bitfield Consulting (1), GrowthMentor (1), Taxidea (1), BrowserStack (1), Komodor (1).
Alumni worth knowing
Web traffic
Traffic mix: 44% direct, 43% search, 3% social, 2% paid.
What this company is made of
Most common skills at Checkly: JavaScript (24), Cascading Style Sheets (CSS) (22), Node.js (19), HTML (17), Amazon Web Services (AWS) (17), Leadership (16), Git (16), HTML5 (16).
Where the team actually sits
Checkly people are concentrated in Greater Boston (5), Berlin, Germany (5), New York, United States (4), Massachusetts, United States (3).
Search footprint
Checkly attracts about 1,202 organic search visits a month, traffic worth roughly $14K a month if bought through ads. It gained 656 ranking keywords and lost 508 in the last period.
What employees say
- Compensation
- 4.70 / 5
- Career opportunities
- 4.80 / 5
- Senior management
- 4.90 / 5
- Work-life balance
- 4.90 / 5
Frequently asked
Checkly has 52 employees as of September 2026.
Checkly has raised $32M in total, most recently a Series B round in July 2024.
Checkly was founded in 2018 by Hannes Lenke, Timo Euteneuer, Tim Nolet.
Hannes Lenke (CEO & Co-Founder) sits at the top of Checkly's reporting structure, with 3 direct reports.
The most common previous employers of current Checkly staff are Sauce Labs (6 people), Contentful (6 people), Applause (4 people).
Former Checkly employees most often move to PostHog (2), Bitfield Consulting (1), GrowthMentor (1).
Checkly attracts about 1,202 organic search visits a month, worth roughly $14K a month in equivalent ad spend.
The most common skills among Checkly staff are JavaScript, Cascading Style Sheets (CSS), Node.js, HTML, Amazon Web Services (AWS).
Checkly staff are concentrated in Greater Boston (5), Berlin, Germany (5), New York, United States (4).
Checkly has about 19 people in Engineering, down 14% over the past year, as of September 2026.
Checkly has about 10 people in Sales, up 43% over the past year, as of September 2026.
Computed from 50 current and 46 former Checkly profiles, as of September 2026. Source: Crustdata.
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