Justellus helps entrepreneurs and investors to build valuable businesses.

Justellus Clients

There are 582 million entrepreneurs in the world. Most, who can fulfill a market need, lack the knowledge on how to build business value, quickly scale revenue, and raise business capital.

Since 2011, Justellus has helped entrepreneurs realize the true potential of their vision by providing guidance, outsourced COO and CRO services, and mentoring.

Justellus pivots transactional business models to recurring revenue, digitally transforms businesses, and creates platform businesses to maximize shareholder value.

Real Results for Small and Medium Sized Businesses

SaaS Platform Clients

100+% Revenue Growth

Does 100%, 115%, and 300% revenue growth and multi-year subscriptions sounds good to you? It represents the annual recurring revenue growth for recent clients.

Digital Transformation

Business Pivots

From going out of business to a $15M exit, to digital transformation resulting in a $200M acquisition, Justellus specializes in pivoting at risk and slow growth businesses.

Operational Excellence

Proven Business Processes

291% growth with a 50% reduction in sales and marketing operational expense. 77% reduction in operational expenses. The Justellus process works.

Do you need help growing your business into a platform business?

Schedule a 45-minute free consultation.

Let's Talk!

Justellus Expertise

We help good people realize their vision and goals - faster.

Mentor entrepreneurs, executive teams, and sales and marketing teams with advice, guidance, and actionable plans that drive results.

Build and execute scalable go to market and operational plans that work.

Accelerate sales and revenue recognition to attract investor interest and higher exit values.

Benefit from our network of talented digital transformation partners.

Need a Virtual Advisor, CRO, or COO?

Accelerate growth. Secure capital. Maximize shareholder exit value.

Let's Talk!

"I hired Mark at a time of transition when we needed an experienced, effective leader for our sales and business development outreach to consumer brands. I highly recommend him. He's a person of integrity and loyalty who is well respected by peers and partners alike."

Panos Panay

Former CEO, Sonicbids

SVP Global Strategy and Innovation, Berklee

"Mark came into a very challenging environment and performed exceptionally well. I would strongly recommend him for any company looking to accelerate revenue."

James O'Connor, Jr.

President, The O'Connor Group, Inc.

I have known Mark since 2004 when I acquired the company for which he worked as head of sales. Very simply, Mark is a superb sales leader with a clear understand of social technologies and their impact on sales and marketing, the importance of data, and using the social web to build customer relationships to drive growth. He is highly motivated, extremely dedicated and will do what it takes to get the job done. I highly recommend Mark as a sales leader of any organization looking to build a social enterprise.

Barry Libert

CEO, AI Matters

"I hired Mark to help the Joslin Diabetes Center during an important period of transition. We needed to address our current sales processes, the effectiveness of our CRM implementation, and our sales efficiency. Mark has done a terrific job methodically and professionally collaborating with our team to help us make huge strides in each of these areas in just a short time. His understanding of sales has been an asset to me and I highly recommend him."

Judy Goodwin

Former EVP, Joslin Diabetes Center

"The smartest thing we ever did was hire Justellus and Mark Wallace to help our business. What our company has accomplished in a short time is remarkable."

Distressed SaaS Company - Confidential

CEO

Justellus Leadership

Mark Wallace

Founder & CEO

Mark is an award winning trusted advisor to entrepreneurs and executives, helping them implement growth strategies to maximize the value of their businesses. Mark is a proven leader that specializes in growing B2B and B2C SaaS, platform, and mobile application businesses.

A graduate of Bentley University in Waltham, MA Mark lives in Stow, MA with his family.

Request a complimentary consultation.

YES, I want to make my business more valuable now!

PO Box 281
Maynard, MA
01754-0281

When you need us.

978-985-4336

mark@justellus.com

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