/Companies

Reef

Honolulu, US · Founded 2021 · 15 employees on LinkedIn · 11 known investors

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Reef.ai builds predictive AI and a foundational data layer for AI agents that help teams leverage customer data for growth, risk management, and renewal prediction. The platform serves enterprise teams seeking to combine human intelligence with AI-driven insights across their customer base.

Also known as Reef AI · Reef.ai

Founders & leadership

Reef was founded in 2021 by Brent Grimes.

BGBrent Grimes
Brent GrimesFounder
BG
Brenton GrimesNamed on SEC filing

Investors · 11

Also in the syndicate · 1

Mubadala Investment Companylead

Reported raises · per SEC filings

Form D private placements

$5.2M disclosed across 1 of 3 rounds · 2020–2023

▶$5.2MraisedMar 2023 · 17 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Brenton GrimesExecutive Officer, Director
Offering amount
$5.2M
Amount sold
$5.2M
First sale
Mar 2023
Incorporated
Corporation, Delaware, 2020
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Company profile

researched Aug 2026

Reef is a software company that assembles enterprise customer data into a unified, validated dataset and applies machine learning to produce forward-looking predictions about customer risk and growth. The company describes its central asset as the "NRR Intelligence Graph" — a data foundation intended to support churn and growth prediction for both human decision-makers and automated agents.

The stated workflow has three stages: connecting to a customer's existing data sources across its technology stack and normalizing that information into a single enterprise-grade dataset; running machine learning models over that dataset to generate predictions, identify risks and opportunities, and surface insights; and delivering the contextualized data and predictions to revenue teams and AI agents for use in retention and expansion activity. Product areas listed by the company include a predictive data foundation, predictive scoring, ROI and revenue attribution, automated self-improving models, historical validation and anomaly detection, data connectivity and integrations, and AI agents. Targeted outcomes are framed as gross revenue retention, net revenue retention and predictive forecasting.

Business model

Reef sells software to enterprise customers, positioning itself between a company's existing data stack and the teams and agents that act on customer data; the website's primary conversion path is a demo request rather than self-service signup.

Traction

The company states it is trusted by global companies, without naming them.

▸Full profile — market position, technology, go-to-market

Market position

Reef frames its role as fixing the enterprise customer-data problem it argues limits AI agents — messy and unvalidated data, absence of forward-looking risk or growth insight, and static customer views without feedback loops — offering an agent-ready dataset as an alternative to companies building the same asset internally over years.

The company contrasts its packaged, agent-ready dataset and prediction layer with the alternative of manually organizing, validating and expanding customer data in-house, and emphasizes that its predictions are explainable, backtested against historical data, and issued nine months ahead.

Technology

Machine learning models that analyze normalized customer data to produce churn, expansion and cross-sell signals, with predictions described as explained and backtested and generated up to nine months in advance. The underlying data layer performs collection from existing systems, normalization, validation, anomaly detection and historical validation, and the models are described as automated and self-improving. Outputs are made available to AI agents with contextual and predictive information attached.

Go-to-market

Direct enterprise sales driven by demo requests from the company website, supported by content marketing including a blog and other resources.

Customer revenue teams at global companies, spanning customer success, digital customer success, renewals management, account management, revenue operations, and data and analytics roles, as well as teams deploying AI agents.

Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.

Related companies · 2

Companies working in the same space as Reef.

In the news

▸Research sources · 1

primary sources listed

1 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Reef do?
Reef builds a predictive customer-data foundation and ML models that forecast churn, expansion and renewal for revenue teams.
Who founded Reef?
Reef was founded by Brent Grimes in 2021.
Who are Reef's investors?
Reef's investors include Blue Startups, Celero Ventures Ltd., Dig Ventures Management Limited, Silicon Road Ventures, Struck Capital, Target Global, Valia Ventures, Oaktree and 2 more.
How much funding has Reef raised?
Reef has disclosed $5.2M raised across 1 of its 3 known rounds.
Where is Reef headquartered?
Reef is headquartered in Honolulu, US.