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TestBox

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AI-powered platform for live software demonstrations.

San Francisco, United StatesFounded 2020AI
Valuation $0–100M Latest valuation · 2026
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 TestBox and the history behind them.

About TestBox

TestBox provides a demo and proof-of-concept (POC) automation platform for B2B software companies, enabling their sales and marketing teams to create and deliver live, personalized product demonstrations. The company was founded in 2020 by Sam Senior (CEO) and Peter Holland. The founders started TestBox to address the challenges in B2B software evaluation, aiming to create a better experience for both buyers and sellers. TestBox has raised a total of $24.1 million over three funding rounds.

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The platform's core function is to generate fully functional, interactive, and automated demo environments populated with realistic, AI-generated synthetic data. This allows prospective clients to experience the software in a controlled, comprehensive setting that mirrors a real user account, complete with integrations and complex workflows, without requiring extensive engineering support from the seller. TestBox's technology maps the client's product end-to-end to understand its data model and workflows, which allows its AI agents to generate relevant synthetic data and simulate user activity, keeping the demo environments live and up-to-date. The platform also offers features like a Surface Editor for on-the-fly personalization, Demo Playbooks to guide sales reps, and a Sandbox Copilot to assist buyers during their evaluation.

TestBox operates on a subscription-based business model, targeting revenue teams in the B2B SaaS industry. Its clients range from startups to large enterprises, including notable names like Intuit, Gong, Zendesk, CallRail, and Apollo.io. The company reports that its solution helps clients increase win rates, save engineering time, and shorten sales cycles. Initially, TestBox started as a marketplace for buyers to test software side-by-side but pivoted in 2023 to a SaaS product focused on serving B2B sales teams.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2020
Headquarters
San Francisco, United States
Employees
35
Open positions
1
Dealroom signal
61.9/100
Industry
Marketing, Enterprise Software
Sub-industry
CRM & Sales
Sector
AI, Core AI
Technology
Artificial Intelligence
Business model
SaaS
Client focus
b2b

Latest news

Press, funding announcements and product moves mentioning TestBox.

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Funding history

4 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
EARLY VCEquity / VC Mar 2026 $17M $70M SignalFire · Felicis · Skip Capital · Airtree
SEEDEquity / VC Jun 2022 $10M $40M SignalFire · Firstminute Capital · Felicis
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
2021
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Growth signals

TestBox website traffic

Latest recorded traffic for TestBox is 9.5K monthly website visits, down 32.1% over the last three months. TestBox's team declined 14.6% over the past year.

Latest monthly visits9.5K 3-month web change-32.1% 1-year team growth-14.6%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

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Showing 8 of the closest matchesCompare every metric →

Investors

8 investors on the cap table

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

Seed3 investors entered at this stage

Series A3 investors entered at this stage

  • Skip Capital
  • Airtree
  • Glitch Capital

Other known investors2 additional known investors

Team profiled 12 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 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
4 countries with
team presence
🇧🇷 Brazil54.8%
🇺🇸 United States38.7%
🇦🇺 Australia3.2%
🇨🇦 Canada3.2%
4 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about TestBox 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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