What Our Clients Say

We believe in delivering transformative results, and nothing speaks louder than the success stories of our clients, readers and listeners. From agency owners scaling their businesses to industry leaders achieving new milestones, hear directly from those who’ve experienced the impact of our expertise.

Testimonial for Deep Specialization - Adam Weiler

Adam Weiler CEO & Founder, Emplicit

Man, working with Corey has been a total game-changer. His process is so dialed in - every time we connect, I walk away with actionable insights and a clear path forward. The guy just gets it, you know? He cuts through the BS and zeros in on what really matters. 

What I love is how Corey tailors everything to where I'm at. He's not trying to force some cookie-cutter approach. And trust me, I've had my share of coaches who talk a big game but can't deliver. Corey's different - he's got the chops to back it up. 

If you're looking to level up fast and actually see results, Corey's your guy. Seriously, the ROI has been insane. 

I was a bit skeptical at first about the investment, but now I'm kicking myself for not doing this sooner.

Do yourself a favor and get on his calendar ASAP.

 

Testimonial for Deep Specialization - Nathan Harding

Nathan Harding Founder, Yo Media

Working with Corey transformed our business. He improved our sales process, which doubled our conversion rate from 13% to 24%. Our client interviews provided crucial insights into why customers choose and stay with us. The streamlined handover between sales and account management has been invaluable. Most importantly, Corey gave us a clear roadmap to scale our agency to $20 million, opening our eyes to marketing strategies we hadn't considered before.

Corey’s guidance has been instrumental in our growth and success.

 

Testimonial for Deep Specialization - Bill Hauser

Bill Hauser CEO, SMB TEAM

Corey just helped unstick our team big time!!

What Corey has done for us has been truly transformative. He literally helped us create our company's new identity!! And, he educated me on the sales model that provided the spark for me building this new world-class team. 

Corey’s depth and breadth of marketing knowledge are amazing.  He gets it on the macro and micro scale. Corey also understands the art of revenue generation and he is able to provide that CMO-level insight to organizations while providing useful and impactful takeaways.

 

Testimonial for Deep Specialization - Chris Dreyer

Chris Dreyer Founder and SEO, Rankings

Coaching with Corey gave me the clarity and confidence needed to elevate our sales team to the next level. His insights into outbound strategies are invaluable, offering real-world solutions for improvement. I wholeheartedly recommend engaging with him if you’re aiming to advance your agency and scale revenue.

 

Testimonial for Deep Specialization - Chris Dreyer

Cole Greer COO, Easy Fish Marketing

Corey’s DSA program helped our agency focus on the right vertical, craft a realistic 2025 marketing plan, and implement proven sales strategies. His honest, no-BS approach is ideal for agencies scaling to seven figures and beyond.

 

Sam Shepler

CEO, Testimonial Hero

 
 

Ruan Marino 

CEO, Develomark

Peter Ruchti 

CEO, AdeptPlus

 
 

Vlad Mkrtumyan

CEO, Logic Inbound

Testimonial for Deep Specialization - Jim Mitte

Jim Mitte President, TurtleHut

Working with Corey has been a game-changer for my business. His insights have guided me to sharpen my focus on a single vertical market, which has already made a significant impact on my strategy. 

Corey's guidance has not only provided clarity for my marketing agency but has also given me invaluable personal insights into the market we're targeting. His expertise and approach have been instrumental in helping me take my business to the next level.

 

Testimonial for Deep Specialization - Bo Royal

Bo Royal Founder, Pareto PPC

I thought the consultative call was exactly what I needed at this point to get moving in the right direction. I now have more clarity on our go-forward sales/marketing strategy + offer. I also got insights into gifting, law firm statistics, and pricing.

 

Testimonial for Deep Specialization - Josh Nelson

Josh Nelson CEO, Seven Figure Agency

So many great things about Corey's Gift-based Outbound™ workshop. I love that it was actionable. I love that it was engaging. It was very practical. Like, here's what you can do. Here's the step-by-step process. And it's not based on theory. It's not based on hype. It's based on exactly what they did at Scorpion.

 

Testimonial for Deep Specialization - Jon Morris

Jon Morris CEO, EngineBI, Inc.

"You were AWESOME."

 

Testimonial for Deep Specialization - Simon Villeneuve

Simon Villeneuve Principal, Structure

"Man... this was an awesome podcast. I listened to it twice while traveling today."

Testimonial for Deep Specialization - Shane Yuen

Shane Yuen, Managing Director, Heros of Digital

"Great email."

 

Testimonial for Deep Specialization - Colleen McGrath

Colleen McGrath, Senior Manager of Community, Vendasta

THAT - WAS - AMAZING ! ! ! !

Testimonial for Deep Specialization - Boris Feldman

Boris Feldman
Partner, Shasta Power

"Corey helped us create a cohesive and intentional marketing strategy that allowed us to make a great impression on our investors, both new and old. The process of identifying the key drivers of success and executing the strategy was efficient and easy. He gave us access to world-class talent. It was the best investment of time and money we made for our business."

 

Testimonial for Deep Specialization -David Moradi

David Moradi CEO, Audioeye

"Corey’s sage advice across sales, marketing, and branding has massively impacted our company."

Testimonial for Deep Specialization - Alex Grinberg

Alek Grinberg
Head of Growth Marketing, Coast

"Working with Corey gave me the confidence to make difficult decisions, hire key employees, and position our firm for success. I really appreciated working with someone who has deeply relevant in-house experience."

 

Testimonial for Deep Specialization - Sam Caucci

Sam Caucci Founder and CEO, 1Huddle

"Corey was instrumental in building confidence for where we want to focus. Under his guidance, our business has become aligned across sales, marketing, and product."

Testimonial for Deep Specialization - Jeff Large

Jeff Large
CEO & Founder, Come Alive Creative

"I have increased clarity over who we're going to go at like what we do well, who we're going to go after, and how to go after them."

 

Testimonial for Deep Specialization - Manish Dudharejia

Manish Dudharejia
Founder & CEO, E2M Solutions

"Everyone, loved the presentation and what Corey has delivered to our group of audience. And the feedback was great, everyone said that it was a high-value webinar"

 

Testimonial for Deep Specialization - David Newman

David Newman
Founder & CEO, Do It Marketing

"Every single session was so well prepared, so thorough, the worksheets, the methodology, the training, the tools, the portal, the community, totally amazing."

Testimonial for Deep Specialization - Lucas James

Lucas James
Founder and CEO, .twiz

"Corey has been a beacon of insight in the darkness of sales. His advice has increased my lead-to-appointment conversion rate by 50% and reduced my cost to book a meeting by 70%."

 

Praise for “Anyone, Not Everyone”

Testimonial for Deep Specialization - Dr. Benjamin Hardy

DR. BENJAMIN HARDY
Author of Be Your Future Self Now

“Anyone, Not Everyone gives you the ultimate roadmap to becoming the best loved agency for a focused vertical market. A must read!”

 

Testimonial for Deep Specialization - John Ruhlin

JOHN RUHLIN
Founder and Author of GIFT-OLOGY

“Aim high, dig deep. Go big, think narrow. Corey unravels the specialization paradox, a lesson our agency learned the hard way, over way too many years. After reading Anyone, Not Everyone, you’ll have the boldness to say no thank you to subpar clients, choosing conviction over constant yes-chasing.”

 

Testimonial for Deep Specialization - Allan Dib

ALLAN DIB
Author of The 1-Page Marketing Plan

“The days of the generalist marketing agency are over. If you aren’t positioning yourself as a specialist and tightly defining your niche, you’re doing business in hard mode. This book takes you through the process of deep specialization and will help you generate more revenue, attain greater freedom, and have more fun in the process.”

 

Testimonial for Deep Specialization - Jamie Adams

JAMIE ADAMS 
Chief Revenue Officer at Scorpion

“Anyone, Not Everyone isn’t a book based on theory or opinion. The blueprint Corey lays out here helped us scale Scorpion 8x in five years. More importantly, these principals empowered us to better support thousands of business owners and their employees in our focus verticals. If you want to maximize the value your product or service is capable of delivering to your customers, choose the path of Anyone, Not Everyone, and let this book be your guide. Profitable revenue is sure to follow.”

 

Testimonial for Deep Specialization - April Dunford

APRIL DUNFORD 
Positioning Expert and Author of Obviously Awesome

“One of the secrets to great positioning is having compelling value aimed at a tightly defined target market. Anyone, Not Everyone is a must-read for agency owners looking to escape the trap of trying to serve a market that is fundamentally too broad.”

 

Testimonial for Deep Specialization - Chris Dreyer

CHRIS DREYER 
CEO of Rankings.io

“As an agency owner who struggled for years to extract myself from our sales process, I can tell you that Corey is addressing a critical (and all too common) problem in our industry. His vertical market approach can help you reclaim your time without sacrificing the sales growth that your agency needs to thrive.”

 

Testimonial for Deep Specialization - Alex Membrillo

ALEX MEMBRILLO 
CEO of Cardinal Digital

“When people ask me if I would have done anything differently, I say no except one thing: I would have chosen our niche from day one. We’d be 5x the size we are now. Corey has real-world insights because he’s actually done it.”

 

Testimonial for Deep Specialization - Mike Perez

MIKE PEREZ 
CEO of iLawyerMarketing

“Anyone, Not Everyone is a goldmine of wisdom for agency owners. It’s loaded with powerful, actionable advice and provides a clear blueprint for success through vertical market specialization. A must-read for those ready to take their agency to the next level.”

 

Testimonial for Deep Specialization - Jon Morris

JON MORRIS 
CEO of EngineBI and founder of Rise Interactive

“This is one of the most important books I have read in a long time and is a must- read for all agency owners regardless of size. In an incredibly crowded agency world, verticalization is a necessary step to scale, and Corey Quinn’s five step process provides the detailed road map on how to do it. I will absolutely be recommending this book to all of my clients.”

 

Testimonial for Deep Specialization - Joey Gilkey

JOEY GILKEY
CEO of Apex Revenue

“As someone who has personally worked with over 300 agencies, I can confidently say that agencies who struggle to specialize will struggle to succeed. We’ve heard ‘the riches are in the niches,’ but there hasn’t been a proven agency framework on how to actually carve out that niche—until now. This book should not just be read; it should be studied. Corey is a true practitioner who has actually put this guide to work in the trenches throughout his career and is kind enough to now share it with the rest of us.”

 

Testimonial for Deep Specialization - Terry Dry

TERRY DRY
Co-founder of Fanscape(sold to Omnicom)

“Corey’s stellar track record has established him as an authority in helping agencies unlock their growth. Had his book and guidance been available during our Fanscape growth journey, it would have been a game-changer. If you’re looking for actionable insights and a strategic edge in your agency’s growth, do yourself a favor and get this book.”

 

Testimonial for Deep Specialization - Rory J. Clark

RORY J. CLARK 
Creator of Focus Selling Customer Development System, gofocusselling.com

“Corey captures the essence of what has made great companies successful for years: focus, concentration on the critical few and not on the trivial many. Creating customers is different than making money. He highlights the path to growth for agency businesses: the founder has to get out of the way if the business is to thrive. This is a must-read if you want your agency to be more than a mom-and-pop shop. Kudos, Corey!”

 

Testimonial for Deep Specialization - Mark De Grasse

MARK DE GRASSE 
President of Digital Marketer

“This book delivers an actionable playbook for agencies to transform themselves, from choosing a vertical market to crafting specialized campaigns, guiding readers to establish their agency as an indispensable pillar within a chosen community.
This book delivers an actionable playbook If I had used this approach with the website development agency I owned and operated for six years, there is no way I wouldn’t have increased my growth multiple times over. Corey has provided a guide that, if followed, could change the entire trajectory of your business. Do yourself a favor and pay attention!”

 

Testimonial for Deep Specialization - Jonathan Stark

JONATHAN STARK
Advisor to Professional Services Firms / Ditching Hourly

“Sure, you know you should ‘niche down’ to get your agency to the next level, but how do you actually do it? In Anyone, Not Everyone, Corey provides a proven step- by-step process for beating the competition through deep specialization. This isn’t just theory; it’s the road map he used to grow recurring revenue at Scorpion from $20 million to $150 million in under seven years. Solid gold!”

 

Testimonial for Deep Specialization - Marcel Petitpas

MARCEL PETITPAS 
CEO and Co-FOunder,Parakeeto Inc.

“Anyone Not Everyone is a must-read for agencies that want to accelerate their growth and improve profitability. As someone who has built a highly specialized firm, I can attest first-hand to the effectiveness of these strategies. If there’s only one book you can read on the subject, it should be this one.”

 

Testimonial for Deep Specialization - Luke Eggerbraaten

LUKE EGGEBRAATEN 
Founder of Phaser Marketing and Author of The Digital Dirt World

“This book absolutely hits the nail on the head. Corey is helping agencies around the world with this book to avoid the traps of running a generalist agency. Anyone, Not Everyone is the perfect tool that lays out actionable steps you can take to elevate your marketing agency, your relationships, and your life. Let’s Go!”

 

Like what you see? Check out our Free Resources and Paid Resources.