The proof, in their words.

Here's what clients, partners, and colleagues have to say about working with Jason and the GMA team - across consumer services, consumer products, software SaaS, marketplaces, professional services, and more.

Consumer Services

Most teams will tell you it’s unrealistic to grow revenue and improve ROAS at the same time. GMA helped us do exactly that.
— Gil Eyal, Head of Marketing & Innovation at Inspire, Silverstein Properties, Inc.

Silverstein Properties | Real Estate | Tour, Then Decide

GMA Growth Engines’ data-driven approach helped us elevate awareness and attract new guests for our hotel and restaurant.
— Ferial Sadeghian, Proprietor, Cuyama Buckhorn
Helps build companies from the ground up - strategy, positioning, performance marketing, and MarTech.
— Chairman of the Board, Vincent Alternative Investments (Ex Founder & CEO, Indiegogo)

Vincent Alternative Investments | Financial Services

Creatively tackles challenges with abundant strategic insights, thoroughness, and efficiency that is unparalleled.
— Director of Product Management, American Express

American Express | Financial Services

American Express | Financial Services

Impact on our business was tremendous.
— VP & Senior Counsel, American Express
Charming, insightful, and great sense of humor - even under difficult circumstances!
— Board Member, International Myeloma Foundation (Founding Partner at Ex Archa)

International Myeloma Foundation | Nonprofit

Consumer Products

Full-Funnel Advertising Partner for Bartesian’s 2x Growth, Top 5 Shopify Ranking & Retail Expansion.
— Mark Tessier, Head of Brand & Marketing at Bartesian

Qello Concerts | Entertainment

Unique skill in managing complexity.
— President & Co-Founder, Qello Concerts
Very smart digital marketer.
— SVP of Consumer Digital Products & Platforms, Houghton Mifflin Harcourt

Houghton Mifflin Harcourt | Entertainment

Houghton Mifflin Harcourt | Entertainment

Bold marketing leadership.
— Digital Marketing Manager, Houghton Mifflin Harcourt

Software SaaS & Marketplaces

GMA Growth Engines built and scaled our CRM and RevOps engine - helping drive 4x ARR growth.
— Krossland Shaw, Time Study Inc.
GMA Growth Engines became strategic partners, with exceptional people, genuinely invested in our success. They go above and beyond, I highly recommend them.
— Noam Weissman, CEO of Hunterz
GMA Growth Engines team helped us cut quoting time to a couple of minutes by streamlining platforms and product catalog - letting us serve customers faster and scale our go-to-market with a smooth end-2-end process.
— Ari Konikoff, Director of Sales, North America of Neeve
Working with GMA Growth Engines was a pleasure. They helped us level up our sales, service, and data operations with HubSpot CRM making it easier to deliver results and set us up really well to scale our operations.
— Aidan Seawalt, Co-Founder, Director of Operations of Hive Technologies Inc.
GMA Growth Engines is a fantastic team with top-notch services. They have grown our marketing capabilities and quality leads. They get straight to the point, no fluff, to keep us honest and driving forward. I cannot recommend them enough.
— Head of Marketing Operations & Analytics, Minitab

Minitab | Software SaaS

Logicbroker | Software SaaS

The GMA Growth Engines team are experts in CRM, RevOps, and Marketing Automation - super timely, easy to work with, and flexible to your schedule. You will benefit greatly from their services.
— Head of Revenue Operations, Logicbroker

Shutterstock | Marketplaces

True “next gen” marketers who get modern data & tech and old school fundamentals.
— Chief Marketing Officer, Shutterstock
Rare gems among Marketing Technologists. Leadership in every sense of the word.
— Director of Delivery, Shutterstock

Shutterstock | Marketplaces

Professional Services

GMA Growth Engines is a team that truly cares - true professionals who know what they’re doing, communicate clearly, and execute on-time and on-budget. Even if you think you’re deep in the process with another agency, get a second opinion first. It might save you headaches, money, or tears.
— Chief Executive Officer, Senders

Senders | Professional Services

Encore Marketing International | Professional Services

Insight, dedication and integrity are second to none.
— SVP Managing Director, Encore Marketing International