Harrington Investments

What Harrington Investments does

Harrington Investments, Inc. is a privately held registered investment advisory firm headquartered in Napa, California, founded by John Harrington in 1982 and incorporated in 1984. The firm provides discretionary socially responsible investment (SRI) management to high-net-worth individuals, foundations, non-profits, family trusts, unions, and social justice organizations, applying a proprietary SRI securities list that screens domestic large-cap and mid-cap stocks and foreign ADRs against rigorous environmental, social, and governance criteria. Harrington manages over $300 million in assets under management on a subscription/recurring fee basis, with a $1 million minimum liquid-asset threshold that anchors the client base in the HNW and small-institutional segment.

Core products are organized around five integrated offerings: (1) SRI portfolio management using proprietary inclusionary and exclusionary screens with a top-down/bottom-up fundamental approach; (2) a shareholder advocacy program that has engaged more than 120 publicly traded corporations over 35-plus years; (3) carbon-free and fossil-fuel-free portfolios — the firm divested from fossil fuels in 2013; (4) impact investing through partnerships with Calvert Impact Capital, Impact Assets, and the CRA Qualified Investment Fund; and (5) community investing targeting affordable housing, job creation, and alternative energy. The business generates revenue exclusively through AUM-based advisory fees on a recurring basis, with no disclosed pricing schedule. Go-to-market is relationship-driven direct advisory only — no digital self-serve, marketplace, or channel partner distribution — relying on personal referrals, the founder's reputation, and earned media in outlets including Reuters, Financial Times, New York Post, and FoodDive.

Name

Harrington Investments

Legal name

Harrington Investments, Inc.

Website

https://harringtoninvestments.com

Company type

Private

Founded year

1982

Operating status

Operating

Headcount range

1–10 employees

Short description

Harrington Investments is a Napa-based registered investment advisor managing over $300 million for HNW individuals, foundations, non-profits, family trusts, and unions through proprietary socially responsible portfolios, shareholder advocacy, and impact and community investing partnerships.

Ownership category

akta.pro rank

Product category

Socially Responsible Investment Advisory

NAICS

Portfolio Management and Investment Advice (523940), Portfolio Management and Investment Advice (52394)

SIC

Investment Advice (6282)

akta.pro primary industry

Portfolio Construction & Asset Allocation Advisory (FSAEAAAC)

Keywords

• Socially responsible investing
• Shareholder advocacy
• Portfolio management
• Impact investing
• Carbon-free investing

Headquarters

HQ city

Napa

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Investment Advisory & Asset Management Fees: Harrington Investments provides highly personalized asset management services to investors seeking socially responsible investment outcomes. As a registered investment advisory firm, the company earns fees based on assets under management (AUM). The firm prepares strategic investment plans customized to each client's financial and social needs, including retirement planning, educational funding, risk management, and charitable giving, and provides ongoing portfolio management aligned with the firm's proprietary SRI securities list.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Harrington Investments is a registered investment advisory firm that delivers personalized, socially responsible portfolio management services to clients with at least $1,000,000 in liquid assets. The firm constructs customized portfolios from a proprietary SRI securities list of ESG-screened domestic and foreign equities and runs an active shareholder advocacy program that files and co-files resolutions at major publicly traded corporations.

Product overview

Harrington Investments is a single unified investment advisory service offering a comprehensive suite of socially responsible investing products. The core offering combines SRI portfolio management with shareholder advocacy and community investing. Key products include: (1) Socially Responsible Investing Portfolio Management using proprietary inclusionary/exclusionary screens, (2) Shareholder Advocacy Program filing proposals at over 120 corporations, (3) Carbon-Free/Fossil Fuel-Free Portfolios divested since 2013, (4) Impact Investing through partnerships with Calvert Impact Capital and Impact Assets, and (5) Community Investing through CRA Qualified Investment Fund. The firm manages over $300 million in assets for individuals, foundations, non-profits, and family trusts seeking to maximize financial, social, and environmental performance.

Differentiator

Problem solved

Functional benefit

Products and services

• Socially Responsible Investing (SRI) Portfolio Management

Quantifiable outcome

• Over $300 million in assets under management
• +3 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Five partnerships are on record, tiered minor.

• Working Assets (co-founded by John Harrington)minorStrategic or Co-development Partner · 1 January 1983John Harrington co-founded Working Assets in 1983, one of the earliest socially responsible investment and banking products for consumers. Working Assets was a pioneering firm in SRI, demonstrating the Harrington team's long-standing leadership in building the impact investing ecosystem.
• Calvert Impact CapitalminorStrategic or Co-development PartnerHarrington Investments works with Calvert Impact Capital to create investment notes targeted at facilitating community development within specific geographical regions. This partnership enables HII to offer clients investment products focused on underserved communities and geographic areas.
• Impact AssetsminorStrategic or Co-development PartnerFor donor-advised accounts, HII offers access to Impact Assets' world-class impact investment fund platform — a non-profit financial services company that provides access to a curated selection of impact investment opportunities for philanthropically-oriented investors.
• CRA Qualified Investment FundminorStrategic or Co-development PartnerHII invests in the CRA Qualified Investment Fund, which raises capital to support affordable housing, job creation, and alternative energy — aligning with the firm's SRI and community investing mandates.
• Global Partners LLCminorStrategic or Co-development PartnerJohn Harrington served as managing partner in Global Partners LLC, a social venture fund that represents an early iteration of impact investing activity predating the modern impact investing terminology.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Trillium Asset Management: Boston-based SRI/ESG investment adviser managing public equity and fixed-income portfolios with shareholder advocacy. Directly comparable SRI values-alignment, ESG screening and proxy-engagement model for institutions and HNW clients.
• Cornerstone Capital Group: Sustainable and impact investment advisory firm providing ESG-research-driven portfolio management and advisory to institutions, foundations and HNW clients.
• Walden Asset Management: Boston-based, faith-aligned SRI manager offering ESG-screened portfolios, shareholder advocacy and community investing — directly comparable to Harrington's combined portfolio + advocacy + community-investing model.
• Boston Common Asset Management: SRI-focused investment manager applying ESG screens, fossil-fuel divestment and shareholder engagement; comparable in size, mission and client mix (foundations, endowments, HNW individuals).
• Calvert Impact Capital: Non-profit impact investing intermediary issuing community investment notes; directly comparable impact-investing product line and a named Harrington partner, placing them in the same values-aligned capital-allocation ecosystem.
• Domini Impact Investments: Manager of the Domini Impact Equity Fund and related sustainability-screened strategies; longtime SRI/ESG practitioner serving individual and institutional investors with values-aligned mandates.
• Green Century Capital Management: Fossil-fuel-free mutual fund manager and SRI advisory firm that co-files shareholder proposals. Near-twin of Harrington in mission, exclusionary screens (especially fossil fuels) and advocacy-anchored strategy.

Broad incumbents

• Brown Advisory Sustainable Investing: Larger diversified manager with a dedicated sustainable investing team offering ESG-integrated portfolios and engagement; overlaps with Harrington's SRI PM and advocacy approach at significantly greater scale.
• Impax Asset Management: Larger specialist asset manager focused on sustainable and impact investing across listed equities and private markets; broader incumbent competing for institutional ESG mandates but with overlapping client philosophy.

Emerging players

• Nia Impact Capital: Emerging impact-investing firm building a community of values-aligned investors with shareholder advocacy and impact funds; comparable mission and a named Harrington co-filing partner, but smaller and earlier-stage.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/harrington-investments-limited
• Instagraminstagram.com/investwithharrington

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Harrington Investments