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Underline Infrastructure

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Operates as a full-service solution to deliver an open-access fiber network

Dallas, United StatesFounded 2019Telecom
Valuation $100–250M Last recorded · 2022
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Underline Infrastructure and the history behind them.

About Underline Infrastructure

Underline.com is a startup that operates in the telecommunications infrastructure sector, specifically focusing on open access fiber networks. These networks are a critical component of modern infrastructure, enabling distributed healthcare, 5G technology, and resilient energy creation. The company's business model is based on the open access model, which allows multiple service providers to share the same network infrastructure. This model promotes consumer choice and competition, while also enabling providers to enter new markets without the need to build their own infrastructure.

Underline.com serves a diverse range of clients, including communities, service providers, and investors interested in transforming the U.S. infrastructure. The company works closely with these stakeholders to power new wireless solutions and modernize infrastructure, including the creation of clean energy. The company generates revenue by providing access to its network infrastructure to service providers and other stakeholders.

In summary, Underline.com is a forward-thinking telecommunications infrastructure company that leverages the open access model to promote competition, consumer choice, and infrastructure modernization. Its operations are critical to the development of distributed healthcare, 5G technology, and clean energy creation.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2019
Headquarters
Dallas, United States
Employees
75
Open positions
1
Dealroom signal
61.3/100
Industry
Telecom
Sector
Telecom
Business model
SaaS
Client focus
b2b

Funding history

4 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
LATE VC✓Equity / VC Aug 2022 $35M $140M Undisclosed ↗
EARLY VC✓Equity / VC Mar 2022 $7.4M $30M Undisclosed ↗
Showing the latest 2 of 4 recorded eventsBook a demo for the full funding history →

Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowth
2026
2025
2024
2023
2022 —
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Growth signals

Underline Infrastructure website traffic

Latest recorded traffic for Underline Infrastructure is 110K monthly website visits, up 233.3% over the last three months. Underline Infrastructure's team declined 12.8% over the past year.

Latest monthly visits110K 3-month web change+233.3% 1-year team growth-12.8%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

2 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Other known investors2 additional known investors

  • Fintech Collective
  • Revolution
Team profiled 6 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇺🇸 United States98.2%
🇨🇦 Canada1.8%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Underline Infrastructure on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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