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Rainier Capital Partners LP

SEC Registered

We invest in and help build great businesses

Seattle, WAhttps://rainierpartners.com332-262-4633
Assets Under Management
$100M–$500M
Employees
14
Office Locations
1 office
Total Accounts
3

About the firm

Rainier Partners is a private equity firm investing in lower middle-market services businesses. The firm takes a partnership mentality, providing support, expertise, and financial resources to accelerate growth and build value. Rainier focuses on business services, consumer services, industrial services, and financial services.

Firm Focus

Client segments reported on the firm's SEC Form ADV — applies to all advisors at the firm.

Pooled Vehicles

Areas of expertise

Private EquityLower Middle MarketBusiness ServicesConsumer ServicesIndustrial ServicesFinancial ServicesPartnership InvestingValue Creation

Services

Private equity investing in lower middle-market services businesses, with active partnership support including expertise, financial resources, and operational involvement to accelerate growth and build value

Private funds / alternatives
Private Equity

Who they serve

Founders and management teams of portfolio companies in lower middle-market services businesses

Client segmentClientsAssets managed
Pension/Profit Sharing Plans3$379M

Leadership

Rainier Capital Partners Gp Llc
GENERAL PARTNER
Jonathan David Altman
MANAGING PARTNER
Alex John Rolfe
MANAGING PARTNER
Jonathan David Altman
MEMBER
Alex John Rolfe
MEMBER
Frank Robert Galea
CHIEF COMPLIANCE OFFICER

Office locations

1 office in 1 state
WA
SeattleHQ

Regulatory & compliance

CRD number
#315967
SEC Number
801-128026
Disciplinary History
No
Fee Model & Minimums
Model: AUM / Performance-based

Data as of March 31, 2026 · Source: SEC IAPD & FINRA BrokerCheck

Contact Information

Editorial disclosure

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Rainier Capital Partners LP has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on the SEC or FINRA websites before making any decision.

BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.

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Rainier Capital Partners LP in Seattle, WA | AdvisorFinder