You focus on growing your business. We handle the numbers.
Personalized bookkeeping, payroll, and tax services for small businesses across the greater Los Angeles area — led by a certified ProAdvisor who steps into any financial situation and brings it into order.
What we do
Bookkeeping services built around your business
Six core services that cover the full financial side of running a small business — so you can hand off the spreadsheets and get back to the work you actually enjoy.
Monthly Bookkeeping
Accurate, up-to-date books maintained month to month — bank and credit card reconciliations, categorization, and clean records you can actually rely on at tax time.
Payroll Management
End-to-end payroll processing, filings, and W-2s/1099s. Your team gets paid correctly and on time, and you stay clear of penalties and year-end surprises.
Tax Preparation
Business and personal tax preparation that minimizes your liability legally and predictably — backed by organized books, so nothing gets missed.
Financial Reporting
Clear monthly or quarterly reports and digestible dashboards. You'll always know where the business stands and what the numbers are actually telling you.
QuickBooks Setup & Support
Certified ProAdvisor setup, cleanup, training, and ongoing support. Get QuickBooks configured correctly the first time — and learn to use it with confidence.
Cleanup & Catch-Up
Behind on your books? We step into the chaos — months or years behind — and bring everything current, reconciled, and audit-ready without judgment.
WHY AJ BOOKKEEPING
Trust, precision, and the kind of attention that turns financial clarity into a competitive advantage.
Certified QuickBooks ProAdvisor
Formal ProAdvisor certification — not a hobbyist. You're working with a credentialed expert who knows the platform inside out.
Work directly with the founder
No hand-offs to a junior associate or an impersonal call center. Every client works directly with Alinson, tailored to your business.
Built for Santa Clarita & LA
Deep familiarity with the greater Los Angeles small-business landscape — local tax nuances, filing calendars, and the way local owners actually operate.
From clean setup to chaotic mess
Whether you're starting fresh or rescuing years of disorganized spreadsheets, we step into any situation and bring order to it.
How it works
A simple, low-friction path from chaos to clarity
No long onboarding contracts or jargon. Just a clear, four-step process designed to get your books in order and keep them that way.
Free consultation
A no-pressure call to understand your business, where your books stand today, and what you actually need — not a one-size-fits-all pitch.
Custom setup
We configure your books and tools correctly for your specific operation — clean chart of accounts, reconciliations, and reporting structure.
Ongoing management
Monthly bookkeeping, payroll, and reporting handled behind the scenes. You stop worrying about the numbers and get your time back.
Clarity & growth
You receive clear reports and proactive insights — so you make decisions from the numbers instead of guessing. Tax season becomes a non-event.
MEET THE FOUNDER
Hi, I'm Alinson Jerez.
I'm a certified QuickBooks ProAdvisor and the founder of AJ Bookkeeping. I started this practice on a simple observation: too many entrepreneurs were losing time and sleep over disorganized books, payroll headaches, and tax confusion.
What began by helping a handful of local businesses quickly grew through referrals — and today I serve a diverse range of small business owners across Santa Clarita and the greater Los Angeles area who trust me to keep their finances accurate, compliant, and working in their favor.
I don't compete on price alone. I compete on trust, precision, and the kind of individualized attention that turns long-term financial clarity into a real competitive advantage for my clients.
What changes
The difference organized books actually make
This is what clients tell us they get back when the books stop being a source of stress.
Time you currently spend reconciling accounts, chasing receipts, and second-guessing categories — handed back to you.
No scrambling, no shoeboxes of receipts, no surprises. Your books are audit-ready all year long.
You finally see what the numbers are telling you — and you make decisions from fact, not gut feel.
Common questions
Straight answers before we talk
Do you work with businesses outside Santa Clarita?+
Yes. We're based in Santa Clarita and serve small business owners across the greater Los Angeles area. Most bookkeeping and tax work is handled remotely, so location isn't a barrier.
I'm months (or years) behind on my books. Can you help?+
Absolutely — cleanup and catch-up is one of our specialties. We regularly step into disorganized books and bring them current, reconciled, and audit-ready. No judgment, just a path forward.
Do I need to be using QuickBooks already?+
No. If you're starting from scratch, we'll set QuickBooks up correctly for you. If you're on another platform or spreadsheets, we can migrate you cleanly. If you're already on QuickBooks, we'll optimize what's there.
How does pricing work?+
Pricing depends on your transaction volume, the services you need, and the current state of your books. After a free consultation, you'll receive a straightforward monthly quote — no surprises.
Will I actually talk to Alinson, or someone else?+
Alinson personally handles every client. You work directly with the certified ProAdvisor who owns the practice — not a rotating cast of junior staff.
LET'S TALK
Book your free consultation.
Tell us a bit about your business and what's keeping you up at night about the books. Alinson will personally reply within one business day — no pressure, no sales script.
Prefer email?
Reach out directly at [email protected] and we'll take it from there.