We invest in and
help build great businesses


Our
Focus

Rainier Partners is a Seattle-based private equity firm with over $400 million in assets under management investing in lower middle-market services businesses. We look for opportunities where we can actively support business owners and management teams by providing growth capital, operational resources, and strategic partnership.

Learn more about our firm and the types of investments we make.

Our Partnership
Approach to
Building Value

Our investments come with a partnership mentality—we are straightforward, efficient, and relationship-oriented. We are an active partner. We roll up our sleeves to provide significant support, expertise, and financial resources to accelerate growth and build value.

Learn more about our approach to building value.

Our Portfolio

We focus on industries where we can be most helpful to our portfolio companies. These are industries in which we have extensive experience, a network of partners, and deep resources: business services, consumer services, industrial services, and financial services. When we invest, we often do so alongside the founders and management teams of our portfolio companies.

Learn more about our portfolio companies.

Our
Team

Our most important investment is the team we are actively building at Rainier. Our group is made up of driven, smart, hard-working, and humble individuals with experience across investing and operations. We’re a relationship-driven firm centered on a culture of entrepreneurship.

Learn more about our team.

Our Recent News & Investments

Rainier-Backed Wilmar Adds EZRED to Automotive Tool and Equipment Platform

Case Studies, Portfolio Company News, Press Release

Seattle, WA (August 14, 2025) ­- Rainier Partners and its portfolio company Wilmar, LLC are pleased to announce the platform’s acquisition of EZRED, a leading designer, manufacturer, and distributor of lighting, tool organization, and hand tools for the automotive aftermarket. EZRED was founded in 1966 and has grown to be a premier designer and engineer… Read More

Rainier-Backed SCI Flooring Acquires Flooring Partners

Case Studies, Portfolio Company News, Press Release

Seattle, WA (August 5, 2025) ­- Rainier Partners and its portfolio company, SCI Flooring (“SCI”), are pleased to announce the platform’s third add-on acquisition, Flooring Partners. The investment solidifies the company’s position as a leading flooring provider in the Midwest and expands operations to the East Coast. Founded in 1990 and employee-owned since 2021, Flooring… Read More

Rainier Partners Announces Three Key Promotions

Press Release

Seattle, WA (July 14, 2025) ¬- Rainier Partners, a private equity firm investing in lower middle-market services businesses, is pleased to announce the promotions of Henry Anderson and Luke Bench to Principal and Dave Shephard to Executive Director. Henry joined the Rainier team in 2020 and is a Principal. Prior to Rainier, Henry served as… Read More

Reach Out To
Our Team

We’re always looking for great people and great businesses to become market leaders in their sectors.

Contact Us