

Built on Numbers. Powered by Partnership.
Tax Prep
Tax Preparation
Filing your taxes doesn’t have to be overwhelming. With our tax prep services, you get expert guidance and zero guesswork. We break things down, keep it simple, and handle the heavy lifting so you don’t have to. Whether your situation is straightforward or a little more complex, we’ll help you file with confidence. Tax season made easier — that’s what we’re here for.
Bookkeeping
Bookkeeping
We believe in building strong partnerships with our clients to ensure they receive accurate and timely financial statements. By working closely together, we make sure that every detail is accounted for and every report is delivered on time, giving you the insights you need to make informed decisions. Our goal is to simplify your financial management process, providing clarity and confidence, so you can focus on what really matters — growing your business.
Rene Riffle, CPA

I’m Rene Riffle, the owner of Margin Accounting LLC and a dedicated accountant based in Littleton, Colorado. Since starting my career in 2019, I’ve been passionate about helping small businesses navigate the complexities of financial reporting, accounting, and tax preparation. My goal is to provide practical, personalized solutions that allow business owners to focus on their core strengths and the continued success of their business.
I specialize in working with small businesses, offering services such as bookkeeping, financial reporting, tax preparation, and advisory. I take pride in building strong, lasting partnerships with my clients, understanding their unique needs, and offering tailored advice that helps them succeed.
Outside of work, I enjoy spending time with my husband and our two daughters. We love exploring the outdoors, and snowboarding is one of my favorite winter activities to unwind and recharge.
Whether you’re starting a new business, need help with tax preparation, or are seeking expert guidance to take your financial reporting to the next level, I’m here to help. Let me help turn your financial goals into a reality!