When was Gray Line Partners founded?

Gray Line Partners was founded in 2024.

Where is Gray Line Partners headquartered?

Gray Line Partners is headquartered in Sammamish, WA.

How many investments has Gray Line Partners made?

Gray Line Partners has made 5 investments.

What has Gray Line Partners invested in?

Gray Line Partners has made numerous investments in companies like Adminify , Archive Intel , and Suno (Enterprise Systems) within the Business/Productivity Software and Enterprise Systems (Healthcare) industries.

What has Gray Line Partners invested in recently?

Gray Line Partners's latest investment was on 21-Oct-2026 in Adminify , a company within the Business/Productivity Software industry.

Gray Line Partners investment portfolio

Gray Line Partners Overview

Investor Type

Growth/Expansion

Status

Active

Professionals

2

Investments

5

Portfolio

4

Gray Line Partners General Information

Company Description

Founded in 2024, Gray Line Partners is a growth equity firm based in Sammamish, Washington. The firm focuses on B2B software businesses at the early growth stage.

Business Details

Website

www.graylinepartners.com

Year Founded

2024

Investor Status

Actively Seeking New Investments

Primary Investor Type

Growth/Expansion

Other Investor Types

Venture Capital

Corporate Office

26005 South East 23rd Place
Sammamish, WA 98075
United States

+1 (847)







Gray Line Partners Investments (5)

Gray Line Partners’s most recent investment was a with Adminify. The deal was made on 21-Oct-2026 with as the lead partner.

Company Name	Deal Date	Deal Type	Industry	Company Stage
Adminify	21-Oct-2026		Business/Productivity Software	Generating Revenue
Archive Intel	12-Sep-2025		Business/Productivity Software	Generating Revenue
Suno (Enterprise Systems)	16-Jun-2025		Enterprise Systems (Healthcare)	Generating Revenue
Archive Intel	23-Dec-2024		Business/Productivity Software	Generating Revenue
Actuate	23-Jul-2024	Later Stage VC	Business/Productivity Software	Generating Revenue

To view Gray Line Partners’s complete investments history, request access »

Want detailed data on 11M+ companies?

What you see here scratches the surface

Request a free trial

Want to dig into this profile?

We’ll help you find what you need

Learn more

Gray Line Partners Investments by Industry, Year, and Region

Investments by Industry

Investments by Year

Investments by Region

PitchBook’s data visualizations quickly surface an investor’s historical investments—showing a breakdown of activity by industry, year and region.