Windmill

Windmill

AI-native platform automating performance reviews

Overview

Windmill offers an AI-native performance management platform that automates performance reviews by collecting context from daily work across tools like Slack, GitHub, Jira, Asana, and Google Workspace via an AI agent named Windy. It uses conversations and peer feedback to generate self-reviews and structured manager drafts, and includes Smart 1:1s that auto-create coaching-focused meeting agendas. The system builds a continuous context graph from 1:1s, project work, and feedback to reduce review time and improve engagement. Its goal is to scale personalized management for organizations and expand through seed funding.

Funded Recently

About Windmill

Simplify's Rating
Why Windmill is rated
C+
Rated C on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & Analytics

Enterprise Software

AI & Machine Learning

Company Size

11-50

Company Stage

Seed

Total Funding

$12M

Headquarters

New York City, New York

Founded

2018

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Simplify's Take

What believers are saying

  • HR tech market reaches $45.5B by 2028, fueling AI performance tool demand.
  • Slack's March 2026 AI integrations boost Windy adoption via seamless data pulls.
  • $12M April 2026 seed from Inspired Capital scales operations for 100+ customers.

What critics are saying

  • Lattice's AI insights from Slack and Jira capture 7,000 customers in 6-12 months.
  • Slack's Q2 2026 native LLM summaries bypass Windy, launching by November 2026.
  • CCPA fines hit Windmill by May 2027 for lacking employee data opt-in consent.

What makes Windmill unique

  • Windmill's context graph synthesizes data from 30+ tools into cited workforce insights.
  • Windy AI agent automates 90% faster reviews with 93% employee satisfaction since November 2025.
  • Smart 1:1s generate coaching agendas from real-time work activities in Slack.

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Funding

Total Funding

$12M

Above

Industry Average

Funded Over

1 Rounds

Seed funding is usually the first official round after pre-seed, when a startup has a prototype or concept. It’s typically used to develop the product, test the market, and start building the team. Investors here are often angel investors or early-stage venture capitalists.
Seed Funding Comparison
Above Average

Industry standards

$3.3M
$2M
Netflix
$2.3M
Instacart
$3M
Robinhood
$12M
Windmill

Benefits

Health Insurance

Unlimited Paid Time Off

Company Equity

Company News

PR Newswire
Oct 8th, 2024
Windmill, The Leading Brand in Modern Air Care, Launches Sleek, High-Performance Air Purifier

/PRNewswire/ -- Windmill, the high-performance air care brand best known for modernizing the window air conditioner, today announces the launch of its latest...

AlleyWatch
Oct 8th, 2024
The AlleyWatch Startup Daily Funding Report: 10/8/2024

Tildei, a conversational marketing platform built specifically for social channels, has raised $6M in Seed funding led by Susa Ventures.

Happi
Oct 8th, 2024
Windmill Launches High-Performance Air Purifier, Raises $5 Million in Series A Financing

In tandem with the launch, Windmill has closed a $5M Series A funding round, backed by YETI CapitaI, Pentland Ventures, Dot Capital, SuperAngel Fund and other investors.

Chary Publications
May 6th, 2024
Windmill Launches New Air Circulator, Fan

Last year, Windmill launched an award-winning upgrade to its Original AC that is 9X quieter and 35% more efficient than other non-inverter ACs.

Securities and Exchange Commission
Oct 6th, 2023
SEC FORM D

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.The reader should not assume that the information is accurate and complete.

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