San Francisco, CA
Headquarters
San Francisco, CAFounded
2019CEO / Founder
Karri SaarinenEmployees
51-200Funding
Series C — $134MProducts
1 product listedAvg. AI Score
7.7/10Website
linear.appProfile updated
Linear Inc. develops project management software designed specifically for software development teams. The company was founded in 2019 by Karri Saarinen and Jori Lallo, both former Airbnb employees, and is headquartered in San Francisco, California.
Linear's primary product is a project tracking and issue management platform that focuses on speed and simplicity for engineering teams. The software provides features including issue tracking, project roadmaps, team workflows, and integrations with development tools like GitHub, GitLab, and Slack. The platform serves software companies ranging from startups to larger technology firms including Vercel, Retool, and Loom.
The company raised a $35 million Series B round in 2021 led by Accel, following a $4.5 million seed round in 2020. Linear has grown to serve thousands of software teams and has maintained a focus on product design and user experience as key differentiators in the project management software market.
Dated, source-cited figures. Estimates are marked.
All products by Linear Inc. reviewed by our AI panel of experts.
Six independent reviewer personalities assessed Linear Inc.'s product on their own terms. They disagreed by 3.5 points — The Skeptic was the hardest to convince, The Domain Strategist the most positive.
Averaged across 1 reviewed product in our catalog. Scores are out of 10.
Who Linear Inc. competes with, and how they differ.
Jira is Atlassian's long-established issue tracker built for large, complex engineering organizations with deep customization, permissioning, and governance; Linear targets fast-moving product teams with an opinionated, keyboard-first workflow and far less configuration overhead.
2 products reviewed on TopReviewedClickUp is an all-in-one work management suite spanning docs, chat, goals, and dozens of view types across every department, while Linear stays narrowly scoped to software issue tracking, cycles, and git-linked workflows for engineering and product teams.
1 product reviewed on TopReviewedAsana serves general cross-functional work management (marketing, ops, HR) with flexible custom fields and portfolio views, whereas Linear is purpose-built around software development concepts like sprints, triage, and roadmaps tied to code.
monday.com is a broad, highly customizable Work OS sold across many industries through a visual board-first interface, while Linear is an opinionated, engineering-specific tool with a deliberately narrower feature surface and stricter workflow conventions.
1 product reviewed on TopReviewedShortcut (formerly Clubhouse) targets the same small-to-midsize software team segment as Linear with a similarly dev-centric issue tracker, but has raised far less capital and has notably smaller market share and brand momentum.
Key milestones in Linear Inc.'s history, with sources.
Completes $99M tender offer at $2.5B valuation, ARR tops $100M
Linear completed a $99 million tender offer valuing the company at $2.5 billion, doubling its 2025 Series C mark; ARR passed $100M with 177% net revenue retention and 40,000+ paying business customers. Participants included Accel, 01A, Salesforce Ventures, and S32.
pulse2.comSeries C — $82M led by Accel at $1.25B valuation
Linear raised $82 million in a round led by Accel, valuing the company at $1.25 billion and bringing total funding to $134.2 million. TechCrunch reported 15,000+ customers including OpenAI, Scale AI, and Perplexity, and profits up 280% year over year.
techcrunch.comSeries B — $35M led by Accel
Linear raised a $35 million Series B led by Accel (Miles Clements), with participation from Sequoia Capital and 01Advisors. The company disclosed roughly 50 employees and said it had been operating profitably since 2021 with a negative lifetime burn rate.
linear.appReaches profitability
Linear disclosed in its 2023 Series B announcement that it had been operating profitably since 2021, ahead of any later funding round.
linear.appSeries A — $13M led by Sequoia Capital
Linear raised a $13 million Series A led by Sequoia Capital, bringing total funding to date to $17.2 million.
linear.appSeed round — $4.2M led by Sequoia Capital
Linear announced a $4.2 million seed round led by Sequoia Capital (Stephanie Zhan) with participation from Index Ventures (Sarah Cannon) and angels including Figma's Dylan Field, Coinbase's Emilie Choi, and YC's Gustaf Alstromer.
linear.appLinear founded by Karri Saarinen, Tuomas Artman, and Jori Lallo
Linear was founded in 2019 by Karri Saarinen (CEO), Tuomas Artman (CTO), and Jori Lallo (CPO), former product/engineering leads from Airbnb, Uber, and Coinbase, to build an issue-tracking tool for software teams.
techcrunch.comBrowse multi-perspective AI panel reviews across hundreds of AI tools, agents, and platforms. Find the right software with insights from all six expert seats — Decision Maker, Domain Strategist, Finance Lead, Domain Practitioner, Power User, and Skeptic.