Scale Without Burning Out Your Team
If you run an accounting firm with five or more employees, you've probably felt the grind: constant approvals, endless follow-ups, and senior staff buried in admin instead of high-value client work.
The Real Problem Isn't Your Team
Every week, hours disappear into reconciliations, emails, and chasing clients for documents. Hiring more people might seem like the only fix, but it often just adds more complexity and stress.
Time Disappears
Hours vanish into manual reconciliations, endless follow-ups, and administrative tasks that could be automated.
Senior Staff Buried
Your most experienced team members are stuck in admin work instead of high-value client advisory.
Hiring Adds Complexity
Adding more people often creates more coordination overhead rather than solving the real issue.
That's Where Opzer Comes In
We help accounting teams automate their workflows so they can take on more clients, improve accuracy, and scale without adding headcount.
Reclaim 20–30% of Your Team's Time
Through Automation Sprints and Efficiency Audits, we identify and eliminate time-consuming manual tasks.
Eliminate Manual, Error-Prone Tasks
Replace repetitive work with reliable, automated systems that reduce mistakes and improve accuracy.
Standardize Workflows
Create consistent processes across staff and clients for predictable, scalable operations.
Scale Efficiently Without Hiring
Grow your client base and revenue without proportionally increasing headcount or overhead.
Words from our Founder
"I've been obsessed with efficiency for as long as I can remember."
Wasted effort has always bothered me, and the older I got, the clearer something became: the biggest waste in most businesses is time.
In a service business like an accounting firm, time is money. Every hour lost to re-keying data, chasing documents, or fixing preventable errors is an hour that can't be billed, and capacity the firm can't use to grow. That waste decides how many clients a firm can take on, how much it can earn, and how much of its profit survives. I knew we could do something about it.
I started building automations in 2017, and almost a decade later I'm still at it. One of my best clients, from early on, was an accounting firm. I loved the partnership, and I kept seeing how much opportunity sat inside the work firms do every single day.
My dad is an accountant, my mom worked in technology, and with an engineering background I've always lived at the intersection of those two worlds. In 2023 we decided to niche down to accounting firms, and we haven't looked back.
Since then, Opzer has served 100+ firms, streamlined 2000+ processes, and saved more than 50,000 hours a year. That's time that went back to people, to clients, and to growth.
At Opzer, my mission is simple: help accounting firms modernize and adapt to the new era of work before it's too late. Automation isn't about replacing people. It's about giving teams their time back so they can focus on the work that matters most.
- Isaac Perdomo, CEO & Founder
Get to Know the Team
Each of us brings a different story, and together, we make accounting work faster, smoother, and smarter.
CEO & Founder
Isaac Perdomo
Isaac has spent almost a decade building automations, and he has served accounting firms exclusively since 2023. He leads Opzer’s strategy and sets the direction for how the team helps firms modernize.
Technical Project Manager
Pablo Suarez
Pablo has spent three decades in software and technology. He has taught software engineering at one of Argentina’s top universities, and he has worked at Ring, Amazon, and Dialpad.
At Opzer he keeps builds on scope and on schedule, turning what a firm needs into work the engineering team can deliver.
Previously
- Ring
- Amazon
- Dialpad
- Taught software engineering at a top Argentinian university
AI Workflow Consultant
Krisztina Tahy
Krisztina started her career at EY. As a finance manager at a startup, she got hands-on with the automation tools of the trade, and she has worked in the automation space for five years since.
She understands the finance function from the inside and translates it into workflows that run reliably.
Previously
- EY
- Finance manager at a startup
AI Strategist & Workflow Consultant
Juani Romero
Juani spent his early career at PwC, one of the Big Four accounting firms. He worked in its process improvement and technology department, and also as a tax analyst and in finance.
He has deep, hands-on experience doing the work accounting firms do every day, so the automations he scopes fit how firms actually operate.
Previously
- PwC (Big Four)
- Process improvement & technology
- Tax analyst
- Finance
The engineering team
Our Values
These principles guide how we work, collaborate, and deliver results for our clients every single day.
Feedback is Growth
We believe that honest, constructive feedback is the fastest path to improvement. We welcome input from clients and team members, seeing every critique as an opportunity to refine our approach and deliver better results.
Speed is Caring
Fast responses and quick turnarounds aren't about rushing—they're about respecting your time. When we move quickly, we show that we value your business and understand the urgency of your needs.
Willing to Get Dirty
We don't shy away from messy workflows or complex problems. We roll up our sleeves, dive into your systems, and do whatever it takes to find practical solutions that actually work in the real world.