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Portland Based Drupal Design & Development Agency

Third & Grove is a digital agency based in Portland, OR specializing in Drupal design and development. We specialize in agile solutions, not a one size fits all approach. Our Portland team is here to meet with you and solve your complex problems from Drupal engineering, to innovation, and custom solutions. With our extensive background in design and development we are an excellent partner for many needs.

We partner with growing brands in the Portland area and beyond to solve complicated problems. We've worked with clients in a variety of sectors, including financial services, research and development, and consumer retail. We are leading experts at integrating Drupal with Hybris, Magento, Shopify Plus, and Acquia Commerce, and have partnered with many of these organizations as 'Certified Partners'. We are the only Drupal agency in the world that sponsors a Drupal 8 core maintainer. The Drupal Association ranks us in the top five Drupal agencies in the United States.

We are excited to be in Portland and start working with more amazing clients. Read more about our work and our team below.

Our Portland strategy and UX team leads the way with in-medium design

The Third & Grove Portland team works with a variety of startups and established brands launching startup digital products to rapidly iterate from ideation to beautifully designed prototypes. The team designs exclusively in the medium to get responsive design feedback early in the process, before development every starts, saving time and money. At the end of our prototyping phase the entire experience is delivered in HTML and CSS format so you own development teams can proceed right into development (or we can help with that too!).

Read more about how Third & Grove approaches design from the person who leads our team, our Director of Strategy.

CarIQ, Car Dealer Management System

An innovative fleet management mobile app for car dealerships.

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Helping a startup disrupt the $20 billion dollar asthma market

Helping a startup disrupt the $20 billion dollar asthma market

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Digital Solutions

Not all web development projects are built the same, and we built to work around our partner's needs. While we specialize in Drupal 8 development, our greatest achievements come from building solutions that don't yet exist to help our clients meet their goals while working within their requirements. To learn more about our championed solutions, see our resource for Drupal + Magento integration


Not every migration or build is going to require the same components for success. That's why our approach to Drupal development is about matching the right experience with the right technology.

Data-Driven Design + UX

Our website design discipline is about building applications that are armed to convert while also offering high levels of accessibility to all users. Check out our approach to data-driven design.


Our data backed approach begins by looking at a clients user data to draw insights about what those users are looking for and then building our recommendations around those insights.


Pairing our clients with the right technology for meeting experience and merchandising goals is our objective, even if it means building it. Check out our custom built solution for a Drupal + Hybris integration.

Our Leadership Team
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Anthony Severo
Chief Strategy Officer and Founder
Tony is Chief Strategy Officer and a co-founder. Tony has led projects for major retailers including The Gap, Macy’s, Williams Sonoma, and Sephora, and has also worked for startups like Demandforce, VintnersAlliance, and Rocketlawyer. He is an expert in assessing business technology performance, and his work has been published in Search Engine Optimization: An Hour a Day. Should you find yourself in Oakland, he’s always down for a game of pickup basketball.
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Justin Emond
CEO & Founder
Justin is the CEO and co-founder of Third & Grove. Justin has worked on both sides of the technology world—on the inside of companies and as a consultant. Prior to Third & Grove, Justin served as Senior Digital Project Manager at a boutique agency in Los Angeles, and adjunct faculty at the USC Viterbi School of Engineering. He is the author of Pro Web Project Management (Apress), a pragmatic guide to managing digital projects.


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Arianna Harrison
Director of Operations
Arianna has over 15 years of experience in project delivery and has been with Third & Grove since its inception. She has led projects for retailers including Macy’s, Bloomingdale’s, and Williams-Sonoma, and has managed technical operations for Active Health Management, a subsidiary of Aetna Inc.  Arianna graduated from Boston University and holds an MBA in Operations Management and Computer Information Systems from the Zicklin School of Business at Baruch College.
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Jen Slemp
Strategy Director
While studying psychology in school, Jen became infatuated with the principles of consumer behavior. This passion led her to pursue a career in marketing and business strategy, helping clients understand the who, what and why of their business.