Plume
Plume Design, Inc. is a Software-as-a-Service (SaaS) company based in Palo Alto, California, founded in 2014 or 2015. The company specializes in AI-driven, cloud-based solutions for WiFi optimization, smart home services, cybersecurity, and network management. Plume partners with over 400 communications service providers (CSPs) globally, serving millions of homes and emphasizing social responsibility through education and engineering initiatives. Plume's offerings include a range of subscription-based solutions designed for residential, small business, and multi-dwelling unit (MDU) environments. Key products include Plume Home, which provides AI-powered network optimization and security features; WorkPass, tailored for small businesses; and Plume Uprise, designed for property managers. The company also offers Haystack for network visibility and troubleshooting, along with additional services like Adaptive WiFi and Advanced IoT Protection. Plume's technology focuses on enhancing network performance, reducing operational costs, and improving user experiences through automation and insights.
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Headcount trend
Plume went from 317 employees in Jul 2023 to 268 in Jun 2025. Jan to Jun 2025: 21 people joined, 24 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Hiring now
See all jobsSalaries at Plume
All salaries15 salary profiles in the US
Most reported roles
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 2 filings.
Funding
- Oct 2021 · Series F · $300M · Softbank Capital
- Feb 2021 · Series E · $270M · Insight Partners
- Feb 2020 · Series D · $60M · Qualcomm Ventures, Belkin, Charter Communications
- Feb 2020 · Series D · $60M · Qualcomm, Charter Communications, Belkin
- Jun 2017 · Series B · $41.6M · Comcast
- Mar 2017 · Series C · $37.5M · Samsung Venture Investment Corporation, Presidio Ventures, Jackson Square Ventures
- Jan 2016 · Seed · $4.7M · Liberty Global Ventures, Jackson Square Ventures, Spark Capital
- Sep 2015 · Series A · $21.1M · Jackson Square Ventures
Peer reviews
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Anonymous peer reviews on OffTheRecord
Similar companies
Plume FAQ
How many employees does Plume have?
Plume has about 268 employees, up 0.4% over the 3 months to Jun 2025.
Does Plume sponsor H1B visas?
Yes. Plume filed 2 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.
What is Plume's revenue per employee?
Plume makes about $359K in revenue per employee, based on $96.1M annual revenue and 268 employees.
How much does Plume pay?
6figr has 15 salary profiles for Plume in the US and 1 in India, with pay broken down by role, level, gender and ethnicity on the Plume salaries page. See Plume salaries in the US
How much funding has Plume raised?
Plume has raised $794.9M in total funding; its latest round was Series F in Oct 2021.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.