Professional Consumer Goods Accountants

We Know CPG
—And the Numbers
That Drive It

Meet our team of seasoned accounting professionals with deep roots in the CPG and e-commerce industries. From inventory and cost accounting to channel-specific margin analysis, we bring the financial expertise growing brands need.

Accounting Experts for Your Business

The Booksmith Company Jessica Kinzler, Owner

Jessica brings extensive experience working with CPG companies of all sizes—from early-stage startups to Fortune 100 giants like Hillshire Brands and Kraft. She has a deep understanding of various accounting systems, including Navision, NetSuite, SAP, and QuickBooks, along with inventory platforms such as CIN7. Her expertise also includes managing complex trade deductions and rebate programs for growing brands.

She founded the firm with a clear mission: to provide CPG companies with tailored, high-impact accounting and technical expertise that supports their unique growth journeys.

The Booksmith’s
Your Team of Experts

You’ve got an entire team behind you—ready to support your brand’s unique needs whether you’re a fast-moving startup or an established, omnichannel business scaling into new markets. We bring the expertise and flexibility to grow with you, every step of the way.

Amanda O'Neill

Amanda is a trained CPA with a Bachelor of Science degree in both Accounting and Finance from Villanova University. She began her career in public accounting with PricewaterhouseCoopers, LLP in Philadelphia before moving on to the private sector. She has worked with large corporations as well as non-profits and start-ups and has experience with financial reporting, auditing and the period end close process. She is passionate about providing value to the organizations she works with.

Marie Masenga ​

Marie is an accomplished financial executive with over 15 years of leadership experience in accounting, finance, and operations. She has experience building high-performing accounting and finance teams from the ground up, streamlining close processes, and introducing robust internal controls and forecasting frameworks. Marie has a strong technical accounting understanding and specializes in financial transformation, ERP implementation, and strategic planning, with a proven ability to drive profitability and support scalable business growth.

Rachel Mackall

Rachel graduated from Colorado State University with a Bachelor's degree in Accounting. After graduation, she began my Accounting career with Nutrien Ag Solutions as an Inventory Accountant. After four years in Inventory Accounting, she was promoted to Senior Rebate Accountant and held that position for the next 3 years.

Michelle

Michelle has over 20 years of accounting experience across industries such as transportation, food and beverage, and professional services. Her expertise includes full-cycle accounting, with a strong focus on accounts receivable collections, process improvement, and cash flow optimization.

Carrie

Carrie was Marquette University summa cum laude graduate with majors in business administration, finance, and Spanish. 18 years of experience in small business operations, bookkeeping, and reporting.