About Rainier Partners
Rainier Partners is a Financial Services company based in Seattle (United States). Rainier Partners is engaged in private equity investments. It operates on a Brokerage / Intermediation model. Rainier Partners has completed 3 acquisitions, including Calpine Containers, JS Ag Packaging and Kleen-Tech. Rainier Partners offers products and services including Private Equity Investment. Its focus areas include Financials, Capital Markets and Private Equity.
Company details
Rainier Partners, based in Seattle, is involved in private equity investments targeting lower middle-market services businesses. The firm is focused on sectors such as business services, consumer services, industrial services, and financial services. Growth capital, operational resources, and strategic partnerships are provided to support business owners and management teams. A partnership approach is adopted to accelerate growth and build value in portfolio companies.
- Headquarters Seattle, United States
- SectorsFinancial Services
- Emailβ’β’β’β’β’β’β’β’
- Phoneβ’β’β’β’ β’β’β’β’
- Website rainierpartners.com
- Social LinkedIn
- Investments & AcquisitionsCalpine Containers
& 2 more
Products & Services of Rainier Partners
Rainier Partners offers a comprehensive portfolio of products and services, including Private Equity Investment.
Investments are made in lower middle-market services businesses.
People of Rainier Partners
12 people are tracked at Rainier Partners (10 in leadership, 2 in team).
| Name | Role | Group |
|---|---|---|
Jonathan Gilman | Vice President | Leadership |
Jung Minchul | CEO | Leadership |
Benjamin Painter | CFO | Leadership |
James Whittle | Director Of Business Development | Leadership |
Henry Anderson | Vice President | Leadership |
Beatrice Woodruff | Vice President | Leadership |
Jonathan Lo | Vice President | Leadership |
Lucas Bench | Vice President | Leadership |
Dave Shephard | Director Of Portfolio Operations | Leadership |
Luke Bench | Vice President | Leadership |
Manu Amin | Associate | Team |
Salmaan Amin | Associate | Team |
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Investments & Acquisitions by Rainier Partners
Rainier Partners has strategically engaged in corporate development activities, having acquired 3 companies. Notable acquisitions include Calpine Containers, JS Ag Packaging and Kleen-Tech.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Offers reliable janitorial services for businesses, government, and specialty facilities nationwide. | kleen-tech.com | Denver, United States | 1990 | Sep 2025 | β’β’β’β’ | |
Agricultural packaging products are supplied by JS Ag Packaging. | jsagpackaging.com | Shafter, United States | 2002 | Oct 2021 | β’β’β’β’ | |
Manufacturer and distributor of packaging containers and bags | calpinecontainers.com | Clovis, United States | 1895 | Apr 2021 | β’β’β’β’ |
Complete acquisition details for Rainier Partners
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Timeline of Rainier Partners
3 dated milestones of Rainier Partners across 4 years, from founding to its latest funding, stage changes and deals.
- Acquisition Acquires Calpine Containers.
- Acquisition Acquires JS Ag Packaging.
- Acquisition Acquires Kleen-Tech.
Top companies in Private Equity Funds
3 companies that operate in the same segment as Rainier Partners (Private Equity Funds) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Alternative asset investment management firm | 1997 | Los Angeles, California, United States | USD 6.2 B | 3,200 | ||
Private equity and debt investments are managed for businesses. | 2004 | Los Angeles, California, United States | USD 3.15 B | 3,200 | ||
Multiple sectors are invested in by this private equity firm. | 1976 | New York, New York, United States | USD 20.29 B | 4,830 |
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Frequently Asked Questions about Rainier Partners
Rainier Partners is headquartered in Seattle, United States. It is registered at Seattle, Washington, United States.
Rainier Partners, based in Seattle, is involved in private equity investments targeting lower middle-market services businesses. The firm is focused on sectors such as business services, consumer services, industrial services, and financial services. Growth capital, operational resources, and strategic partnerships are provided to support business owners and management teams. A partnership approach is adopted to accelerate growth and build value in portfolio companies.
Rainier Partners offers Private Equity Investment.
Rainier Partners has made 3 acquisitions, including Calpine Containers, JS Ag Packaging, and Kleen-Tech.

