Sail Internet
PrivateLast Round
Series A
Nov 11, 2020
Total Funding Raised
$2.31M
Momentum Score
50 /100
Company Overview
Sail Internet is an internet service provider (ISP) founded in 2015 that delivers high-speed wireless and fiber internet to residential and business customers in the San Francisco Bay Area. The company aims to disrupt the traditional ISP industry by offering an alternative to major cable providers, particularly in underserved suburban areas. Sail Internet provides its services with no contracts, no data caps, and transparent, flat-rate pricing. It uses a combination of fixed wireless and fiber optic technology to deliver its service. The company is venture-backed and has raised capital through multiple funding rounds. In 2024, Sail Internet partnered with Twist Broadband to expand its service reach in the San Jose area.
Sector
Telecommunications & Networking
Verticals
Internet Providers, Fiber Networks, Wireless Infrastructure
Business Model
B2C
Customer Profile
Hardware + Subscription, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Sail Internet Comps
Public and private peers based on sector, stage, and business model.
Sail Internet Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Nov 11, 2020 | ||||
| Seed | Jan 19, 2017 |
Key People
Founding team and executive leadership
Sail Internet Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Better Ventures | Seed, Series A |
| Engineering Capital | Series A, Seed |
| Newlight Partners | Series A |
| Ulu Ventures | Series A, Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 5, 2026
Added MVP Seller, a sales & marketing startup, as a customer.
- Mar 15, 2026
Named a "2025 Nextdoor Neighborhood Fave" in local business awards.
Sail Internet Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Sail Internet's valuation, stock price, and market status.
