Services
Three levels of support. From calm and compliant to fully strategic.
The one that helps you sleep better at night
Focus: insights
Compliant books, plus​
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Review your numbers every month
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Get info about trends, red flags, and how to solve them
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Ask me anything
→ Perfect for entrepreneurs who want to understand their numbers and feel assured in their business decisions.
Starting at CA$410 / month (+HST)
The one that puts your money to work
Focus: growth
Compliant books, plus​
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Get next-level insights into your business (think: cashflow projections, budgeting, KPI dashboard)
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Get a dedicated financial advisory partner
→ Perfect for big-picture entrepreneurs who want their finances actively working for their growth.
Starting at CA$690 / month (+HST)
"Katrien is much more than a bookkeeper. She regularly offers helpful suggestions and insights to make our business run better."
What to expect when I'm your bookkeeper
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No more tax stress
The obvious: accurate, timely books so you and your accountant can always trust the numbers.
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A trigger when something's off or missing
I'll flag anything that looks unusual before it becomes a problem, and I'll make sure we have all the information you need.
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Ideas to grow profit & boost efficiency
I keep an eye on trends and patterns that effect your profitability and cash flow.
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Feeling supported
Financially, you'll know where your business stands at any time. For everything else, you can ask me anything, I'm happy to share my network with you.
Why is Second Banana Different?
Deal directly with the owner
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I am the one taking care of your books, and I know your business inside out.
More than just bookkeeping
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I go beyond data entry. Together we'll find ways to grow your profit.
Communication is key​​​
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You'll hear from me regularly and proactively. I always answer within 24h.
Focused on your field
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I know your tools, I get your struggles, and I understand your jargon.
Who I'm a Great Fit For
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You're a coach, consultant, or health professional.
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You're great at client care but feel weighed down by money, admin or systems.
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You want a bookkeeper who thinks along, freeing time for your clients, patients or family.
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You value quality, trust, personal attention and responsiveness over price.
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You use QuickBooks Online, or you're open to switching to it.
About
Hi, I’m Katrien. Bookkeeper, engineer, wife, mom, and lover of French movies and rainy days.
​​I’ve always loved structure and numbers, but my real joy is bringing calm and order to the chaos behind the scenes.
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Being a Second Banana means being a steady support to someone, so they can shine in their leading role.
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That's why, in 2023, I started Second Banana Bookkeeping & Advisory: to help entrepreneurs who are amazing at helping others, but don’t have anyone helping them with the financial side of their business.
I work with coaches, consultants, and health professionals who value quality and a personal touch. I translate their numbers, highlight what deserves attention, and keep everything audit-ready.
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Clean books are not the goal. They are the base that lets you make confident choices.​ Together we can achieve this.
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If this sounds like what you need, let me be your Second Banana.​​​​
QuickBooks Online with Extra Security
I'm certified in QuickBooks Online, which lets me manage your books accurately and efficiently.
I take extra steps to keep your data safe by working with a secure VPN connection and ongoing cybersecurity monitoring.
What My Happy Clients Say
Katrien's skilled competence has lifted weight off my shoulders and freed up parts of my mind to focus on other aspects of our business.
Beth, co-owner of a mental health private practice
One of her greatest strengths is her unwavering reliability. I always knew tasks would be handled with the utmost professionalism and attention to detail.
Kathy, owner of a home care service provider
Katrien has significantly reduced the work and stress business administration can give, both for myself and my accountant.
Pieter, owner of a consulting business
3 Simple Steps to Peace of Mind
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Reach out
Let's connect to see how I can help you and your business. I offer a free workload assessment.
Ready, set, go
This is where the magic happens! From setup and clean books to system improvements and smart insights. Whether you need a one-time project or ongoing support, I’ve got you covered.
Peace of mind
I'll keep the financial side running smoothly, so you can focus your time on revenue-generating work that drives your business forward. You'll hear me regularly with questions, reports or updates.
Go from: What am I doing?
To: I've got this!
