About GRN Funds

GRN Funds is an investment firm established in 2014 by Justin Costello. GRN Funds provides secure banking resources for small to medium businesses and ancillaries. GRN Funds enables businesses to reach larger markets and engage an ecosystem of providers to develop and increase profitability. We proudly serve over 400 businesses across the USA. Our investment strategy focuses on our network of industry leading experts: financial advisers, development experts, growth hackers and data partners with the resources and expertise to rapidly grow our business partners. Our team includes decades of advising, mentoring and investing in multiple verticals touching markets ranging from startup technology, digital services, real estate, retail franchises, analytics and investment banking.


GRN Funds offers banking services that traditional banks offer, but with more personalized oversight & security. Manage your business with online bill pay, ACH, wire transfers, cash depository & logistics, eCheck, and online account management.


Governance, risk management and compliance is the umbrella term covering an organization’s approach across these three areas: Governance, risk management, and compliance The GRN Compliance Program can performs a full audit and compliance assessment of legacy cash and will monitor and evaluate daily transactions.


Your funds are deposited in an FDIC insured institution. The Federal Deposit Insurance Corporation is a United States government corporation providing deposit insurance to depositors in U.S. commercial banks and savings institutions. Access to federal deposit insurance is the number one hinderance for cannabis businesses today.


Along with your GRN Funds Advisor, you’ll also have an experienced team of banking liasons to help facilitate KYC due dilligence, site surveys, account boarding, revenue audits, compliance oversight, and daily operating transaction reporting. Quickly and accurately identifying and reporting financial risks and opportunities is what we do best.

What We Do


A marketing plan should always have a situation analysis, marketing strategy, sales forecast, and expense budget. A market analysis, a SWOT analysis, and a competitive analysis… The expense budget is a bare minimum.


Evaluating businesses, projects, and budgets to determine their performance and suitability. Typically, financial analysis is used to analyze whether an entity is stable, solvent, liquid or profitable enough to warrant investment.


Your business strategy can be defined in several paragraphs or written as a set of strategic statements. It is a summary of how the company will achieve its goals, meet the expectations of its customers and sustain a competitive advantage.


Planning for your financial future by offering information and guidance on topics that include taxes, investments and insurance decisions. We work closely with you to offer personalized financial advice.


Cost efficiency is minimizing advertising and production expenses incurred while maximizing product publicity and availability to your target market in terms of breadth and frequency of exposure.


Providing custom payment processing solutions to our merchant accounts, while providing a fully integrated range of convenient, secure, and reliable electronic payment options and services.


Our job is to provide our customers with financial services that help people better manage their lives. At GRN Funds, we are dedicated to helping you get the most out of your money.


GRN facilitates funds to pool money from teams of investors in order to amass millions of dollars that are then used to acquire stakes in  exciting and promising companies.

Finally…a bank account for operating and legacy cash that will not get shut down.

Banking services that meet the highest standard in compliance. Concierge banking with the features of a traditional bank account to operate your cannabis business while reducing the dangers & risk of cash handling.

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Our Brands

GRN Funds is proud to manage an overperforming portfolio of brands.

Pacific Merchant Processing

Credit-card processing provider

The Bank of Washington

Relationship banking

One Source CBD

Industrial hemp (CBD) supplier

Seed Science

Wholesale & retail CBD

PNW Wines & Spirits

Distributor of Wine and Spirits

Pacific Media Group

Marketing & media solutions

Pacific Banking Corp

Providing financial solutions

News & Media

Don’t take our word for it – here’s what the media has to say.


How to sell your marijuana business: Q&A with GRN Funds CEO Justin Costello. Costello recently spoke with Marijuana Business Daily about how he valuates cannabis businesses, which companies are easier to sell and deal structures to avoid.

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Respect My Region

We are looking at the largest deal ever, 10 Washington cannabis retail outlets have decided to collectively sell their business to the highest bidder. GRN Funds is heading up the sale attracting major attention from large investment groups looking to become the new kings of cannabis.

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MJ Biz Daily

A dozen marijuana retail businesses in Washington state are employing an unusual strategy on the mergers and acquisitions front: package their assets together for a combination sale.

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Sticky Budz, one of the leading and fastest growing Washington State producers of sustainable cannabis products, today announced it has committed to a $5.75 Million funding round. The financing round, led by Seattle-based investment group GRN Funds, will enable Sticky Budz to further define industry best practices that draw on the Central Valley’s rich agricultural history.

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Cannabis Financial Network

Over (10) i502 licensed retail cannabis business have entered into an arrangement to sell their retail shops on the open market here the State of Washington. Justin Costello the CEO of Seattle, WA area Investment Bank; GRN Funds, LLC is the deal’s designer and architect. Mr. Costello who has over 80 cannabis related deals in completion has stated “It’s the largest deal ever offered in cannabis on the open market.”

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MJ Biz Daily

Seattle-based GRN Funds is planning to provide banking services starting Aug. 16 to the Sunshine State’s medical marijuana treatment centers and ancillary marijuana businesses that successfully complete its application process, the investment bank’s CEO, Justin Costello, told Marijuana Business Daily.

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Respect My Region

This past Thursday and Friday was the Marijuana Venture Interchange conference. The intimate event brings together legal cannabis retailers and growers together in one place to meet, mingle, and talk business! I came to the event to support our friends at Canna-Exchange with the soft launch of their B2B marketplace. These guys are doing really, really cool things.

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Respect My Region

When purchasing cannabis there are brands that are pesticide-free and brands that are not. Soulshine Cannabis has some of the cleanest cannabis in Washington. Their marijuana will not only get you high, but you can sleep easy knowing they are all natural. They are the only cannabis company in the state that donates a portion of their earnings to Emerald City Pet Rescue.

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King 5 News

Inside this retail marijuana shop in Seattle’s Belltown neighborhood, an unlikely union unfolds between lovers of cannabis and canines from Emerald City Pet Rescue.
“If I didn’t already have two at home, he would be coming home with me. He’s so sweet, he’s so calm and gentle!” said a shopper cradling a pup that’s up for adoption.

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Marijuana Venture

Soulshine Cannabis, a Washington-based cultivator of high-quality marijuana, has established a mission of doing the right thing for the environment and important social causes, while simultaneously growing in a manner that some would say is inconsistent with the ethos of traditional conservation practices. This raises an interesting question: Can an indoor farm produce superior flower and be socially responsible at the same time?

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Respect My Region

Seed Science has officially re-launched their brand and e-commerce site. Cannabidiol, or CBD, is an exploding business that is making a difference. The full spectrum CBD company is planning for expansion in 2018.
As CBD gains popularity, in both online e-commerce shops and physical locations across the US, businesses are popping up out of the woodwork.

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