“Immediately our sales almost tripled.”
Tyler McBroom
TRM CPA
About Sell Up
The only sales firm built for accounting and tax firms.
We install a proven sales system inside your firm. We build your offer, run your sales calls, and train your team, so your firm grows revenue with higher-value advisory clients.
Why we exist
Sales isn't about transactions. It's about helping people make life-changing decisions.
We built Sell Up on one belief: you can exceed your revenue targets while keeping integrity at every step.
Today we bring that integrity-based approach to accounting and tax firms, so firm owners get paid for what they know.
What we install
A scalable sales system, inside your firm.
We build your offer and pricing, run your sales calls or train your client-facing team to run them, and track every deal in live reporting. The result: more cash collected each month and more leads turned into high-value advisory clients, without adding to your team's workload.
Our story
Great selling changes lives. We're proof.
"Selling is believing in someone's highest potential, not just their current circumstances."
Brian Mayoral, Co-founder and CEO
2016
A school teacher who wanted more
Brian was a school teacher who knew he was capable of a bigger impact. A Tony Robbins sales rep called him three times until he said yes to a seminar he didn't think he could afford.
The climb
From the classroom to the top
He quit teaching, rose to the top of his software sales company, then spent 16 months volunteering and getting rejected before Tony Robbins' team hired him.
On tour
#1 national sales trainer
Three and a half years on tour with Tony Robbins, as the #1 national sales trainer and speaker.
March 2021
Sell Up starts in a one-bedroom apartment
Brian and Cassidy launched Sell Up in a one-bedroom apartment where the kitchen, living room, and office were the same room, working 14 to 16 hour days.
First big break
Our first accounting firm
A nearly six-figure contract with one of the top accounting firms in the country, out of Irvine, California.
Into tax
$1.4M in tax plans in four days
Tony Robbins' CPA asked us to sell his tax plans. In four days, we sold $1.4 million. Story after story followed, and we saw what tax planning does for owners.
By the numbers
Built on real calls, not theory
950+
Companies trust Sell Up
20,000+
Advisory consults and counting
$16M
Closed for our clients in the past 18 months
Why accounting and tax
Your advice changes what owners do next. We make sure more of them say yes.
Small business owners keep this country moving. When their accounting or tax firm helps them keep more of what they earn, that money goes back into their teams, their families, and their towns. One better decision ripples across communities all over America.
Tax planning isn't about green pieces of paper. It's about what owners do with the money. The problem is rarely the advice. It's that too few owners act on it.
That's why we help accounting and tax firms put their advice in front of more of the owners who need it, and get more of them to say yes.
Meet the founders
The team behind Sell Up
CEO and Co-founder
Brian Mayoral
Former speaker & national sales trainer for Tony Robbins.
Brian started his career as a school teacher, then moved into software sales and became the #1 rep in California before joining Tony Robbins' team as a national speaker and sales trainer, where he built winning sales professionals from the ground up. He co-founded Sell Up to elevate companies to their highest potential through integrity-based sales.
Chief Revenue Officer and Co-founder
Cassidy Mayoral
One of the first 50 employees at Peloton.
Cassidy started her career as one of the first 50 employees at Peloton, then joined a fintech startup, getting an early, inside look at how high-growth companies scale. Today she helps accounting and tax firms install repeatable sales systems that turn their leads into predictable revenue, so advisors can stay focused on client work.
How we work
Three ways we work with you
1
Firm Huddle
Get paid for the advice you're already giving.
We build your offer, pricing, and sales process with you in two meetings. Your new offer is on live calls within 30 days.
Explore Firm Huddle →2
Sales Firm
Your offer sells, and you're done taking the calls.
We act as your fractional sales leader and outsourced sales force, from recruiting and training to day-to-day closing. Every call is recorded and every deal is in live reporting, so you can focus on serving clients.
Explore Sales Firm →3
Sales Training
Already have a sales team? We train them.
From one-off team trainings to licensed sales modules, we equip firms and professionals to handle objections, deepen client relationships, and boost conversion rates.
Explore Sales Training →Our mission
Empower life-changing decisions.
Sell Up exists to transform the way accounting and tax professionals sell, with clarity, confidence, and results.
How we operate
Our values
01
Excellence
Go above and beyond what is required.
02
Integrity
Do what you said you will do.
03
Collaborate & Innovate
Always be learning and adapting.
04
Resilience
There is always a way.
05
We > Me
Be a great partner and teammate, and celebrate each other's wins.
Organizations That Rely on Sell Up
Client testimonials
What our clients say about working with Sell Up
I directly oversee a 300+ sales team across our organization. When our KPIs were dropping due to differences in regional communication styles, we brought in Brian to bridge the gap. He did an amazing job articulating prospect personas and empathy-driven sales tactics to win more business, allowing us to improve performance year over year. To this day we are using his methods to drive results.
Chris Gomez
Associate Vice President, Guest Sales & Service, Celebrity Cruises
“First month we were at 25% close rates. Now we're closing near 40% on our higher-end services.”
Ryan Bakke
Founder, Tax Strategy 365
I've been privileged to have Brian speak to my teams at both ThoughtSpot & RealPage, Inc. He has touched the lives of many with his energy, empathy & inspirational words. His content ties in elements of mindset, empathy, sales process, and his 'open vs closed' approach.
Matt Buchalski
VP of Sales, RealPage
“The ability to connect with prospects on the phone, pitch and add value, and create that bridge from our product to the client has been tremendous.”
Spencer Forgey
Sales Manager, Tax Relief Advocates
Energizing, uplifting, and authentic! I wanted someone who could energize, uplift, and inspire our team, and was referred to Brian. He really delivered, and upper management was so extremely pleased that we brought him back again!
Susan Carroll
Global Executive Director of Education, La Mer
“In just 2 weeks, Sell Up closed 18 deals, more than the previous 4 months combined.”
Peter Vander Wall
Founder, Social Club Studios
“In one year we went from where we were at in sales to now increasing that by 250%.”
Josh Harcus
VP of Growth, SMC National
“The investment in Sell Up paid off within days. It's been a total game-changer.”
Michelle Cunningham
Sales Training client
Not sure which program fits? We'll tell you plainly.
Bring your offer and your numbers. We'll look at them together and tell you whether Firm Huddle, Sales Firm, Sales Training, or none of them is the right next step for your firm.
See if your firm qualifies