Grow your business and live your life. We back you up with expertise, consistency, and a real human who speaks your language — no bots, no jargon.
No commitment — we respond within 1 business day
From day-to-day bookkeeping to IRS representation — we handle it all so you can focus on growing your business.
Hassle-free, scalable bookkeeping that gives you a clear financial picture at all times. We save you time so you can focus on what you do best.
Free Consultation →Expert tax preparation for individuals and businesses. We minimize liabilities, maximize refunds, and ensure full compliance with every deadline.
Free Consultation →Facing tax debt, garnishments, liens, or audits? As a federally licensed Enrolled Agent, we represent you before the IRS with unlimited rights.
Learn More →Accurate, on-time payroll for businesses of all sizes. We handle wages, tax calculations, benefits management, and federal and state compliance.
Free Consultation →Choosing the right business structure impacts your taxes, liability, and growth. We guide you through LLC, S-Corp, C-Corp, and Partnership options.
Free Consultation →Strategic financial guidance without the full-time CFO cost. We help you understand your numbers, plan for growth, and make informed decisions.
Free Consultation →My name is Teodora. I started One Key Accounting in 2013 to meet the needs of other entrepreneurs like me. The goal was simple: create a hub where any business owner could find everything they needed to manage their finances with ease — all in one place.
Whether it's bookkeeping, tax preparation, IRS representation, or financial consulting, I wanted to ensure that every client had access to the expertise they needed to keep their business on track and grow with confidence.
Over the years we've grown alongside the businesses we serve. Every relationship is built on reliability, clarity, and genuine care for your outcome.
"When it comes to your business, you want to talk to a real human in clear terms you can make sense of. No bots, no jargon — just straightforward, expert advice."
— Teodora I. Tantcheva, FounderA clear, structured approach that puts you in control from day one — no surprises, just results.
We start with a comprehensive review of your situation, outlining your options and giving you a clear, honest picture — no obligation to proceed.
We develop a tailored plan for your specific needs, present it clearly, answer every question, and formalize it with a written agreement — no hidden fees.
We get to work efficiently with minimal effort on your part. Regular updates, clear communication, and the best possible outcome every step of the way.
Every individual tax return we prepare includes Protection Plus $1M Tax Audit Defense and identity theft restoration at no extra cost. Receive a tax notice? Just call us.
Clean books, smart tax planning, and knowing what to do when the IRS comes knocking. Here's how it all connects.
Read Article →Common mistakes that create big problems — and the simple fixes that prevent them.
Read Article →Owing the IRS money is stressful — but there are real options. Here's what to do first.
Read Article →More articles coming soon. Want to be notified when we publish?
Subscribe to the Blog →Tax and accounting can feel complicated. Here are the most common questions — answered clearly and honestly.
Ask Us Anything →One Key Accounting is the hub of the Algara Corporation family. Each brand serves a specific need — so you always work with a specialist.
Specialized bookkeeping for 6- and 7-figure e-commerce sellers on Amazon, Shopify, Etsy, eBay, and more.
Visit Site →Expert IRS tax resolution for individuals and businesses facing debt, audits, liens, garnishments, and unfiled returns.
Visit Site →The parent company behind all three brands. Learn about our story, credentials, and mission since 2013.
Visit Site →Whether you need bookkeeping, tax help, or IRS resolution — we're here. Schedule a free consultation and we'll respond within one business day.
18-20 Lackawanna Plaza, Suite 300
Montclair, NJ 07042
Within 1 business day
No commitment. No spam. Just honest help.