• Becky Ashcraft

  • Alyson Blackthorne

  • Roxanne Fitzgerald
  • Ivana Joy Gomez
  • Jan Martin
  • Regina Mennig
  • Jessica Mullaney
  • Joy Routt

  • Karen Zuppa

Karen Zuppa | Owner

Owner Karen Zuppa

View Karen’s ProAdvisor Profile on Intuit’s Referral Website

Karen Zuppa has served as the Founder, Owner, and President of Complete Business Accounting for 30 years since the company opened its doors in 1992. She originally founded CBA with the intention of making a payment on a new vehicle and has since grown the company from one client to its present size, serving over 80 monthly clients across Colorado and the USA.

She is a Public Accountant with over 30 years of combined experience, and has been a Certified QuickBooks ProAdvisor for 23 years; this along with her consistent leadership and guidance has resulted in consistent and sustained growth year over year. Karen combines her extensive financial experience and skills with a Bachelor of Science in Finance providing a wholistic view for our clients. She has worked at developing an dynamic team to meet the needs our the CBA clients and continues to offer higher levels of service to meet the client’s needs.

In addition to her experienced background, Karen is a member of the Institute of Management Accountants, Inc., the American Institute of Professional Bookkeepers, the National Advisor Network. With a heart and passion for Non-Profits, she added CNAP (Certified Non-Profit Accounting Professional) to her repertoire and is the leader of our Non-Profit team.

Outside of CBA, Karen is a tea enthusiast who also enjoys wine tasting, travelling, exercise and fitness, and trying new restaurants. Karen also enjoys spending time with her husband Mark, as well as their son and two daughters.

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Becky Ashcraft | Director of Accounting


View Becky’s ProAdvisor Profile on Intuit’s Referral Website

Becky is an accounting professional with more than 15+ years of progressive experience within the private, financial, and governmental arenas.

Her strong background in banking and finance makes her a knowledgeable asset to CBA as does her occupational range, which extends from working for a Fortune 500 company to small businesses. This diverse experience allows Becky to accommodate her skills to varying types of clientele.

Combined with her strong professional background are multiple academic and professional certifications, having earned a Bachelor of Science in Accounting, as well as Certifications as a QuickBooks Online ProAdvisor from 2012-2022, a member of The Woodard Alliance, and finally, she earned her CNAP Advanced (Certified Non-Profit Accounting Professional).

When not working on accounting, Becky enjoys a diverse set of hobbies, including golfing, cross-stitching, and watching reality television shows. She also enjoys spending time with her husband of over 20 years, Mark.

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Roxanne Fitzgerald | Marketing & Project Manager

Roxanne Fitzgerald

Roxanne Fitzgerald joined Complete Business Accounting in 2021 as seasoned Consultant, Risk Manager and Business Advisor. Roxanne brings with her over 30 years of experience in business expertise that covers a broad range of industries including national and international organizations including manufacturing, contractors, real estate developers, senior healthcare and non-profits. As a seasoned Account Executive, she has experience in working with clients with overall picture of their organization, developing programs and plans for their future to meet their needs.

As a successful business owner in her own accord, she understands that day to day aspect of running an organization as well as understanding the big picture that includes evaluating risks, understanding the market place and creating strategic plans. With a degree in Business Administration, she is able to help our clients with a wholistic review of their organization. In addition, Roxanne brings to our team the ability to oversee large project internally for our clients managing the resources both internally and externally to achieve the desired goals.

While she enjoys work, she also loves to play. Roxanne loves spending time outside all year long; whether it is skiing, sailing, hiking, biking or roller skating you will find her outside. In addition, she loves to garden, cooking and combining these interest in canning foods and sharing these skills with others. Her heart is to help others both inside and out of work.

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Ivana Joy Gomez | Accounting Specialist

Ivana is currently a Accounting Specialist with CBA and brings to the organization over 11 years of prior accounting and bookkeeping experience. Ivana is well-versed in Accounts Payable, Accounts Receivable, Invoicing/Billing and Job Costing Payroll to name a few. She loves to learn new clients and is dedicated to helping them with their business.

She brings with her a versatile background from working with variety of clientele including water companies, health professionals, attorneys, sign manufacturers, contractors among a few. In addition, she has been the outsourced accountant volunteering her time and energy for a non-profit animal sanctuary.

Ivana began her service with CBA in the fall of 2021 and has been an integral part of setting in new process and working on new projects. Ivana came to CBA already having earned her QuickBooks Online Certified Pro Advisor Certificate prior to joining our team. Ivana is currently working toward further Advanced Certifications.

Ivana enjoys learning, hiking, kayaking, and spending time with animals.

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Joy Routt | Accounting Specialist

Joy Routt is an Accounting Specialist with Complete Business Accounting and has been since April 2021. She has over 20 years of experience in bookkeeping and financial reporting. Joy’s bookkeeping career began in government accounting as part of an internal audit unit. After relocating from NY to Colorado, she decided to join the corporate world to concentrate on small business accounting. Her corporate bookkeeping experience was focused on the Corporate Aviation Industry in the Denver Metro area, along with providing bookkeeping services for contract individuals.

Joy has years of experience in Bookkeeping and Accounting that include payroll, Budgeting, Accounts Payable Billing, Accounts Receivable Invoicing, and General Financial Reporting. Over the years, Joy has taken several night courses in accounting to gain additional knowledge and has continuously grown throughout her bookkeeping career.

She enjoys working closely with her clients by providing direct communication so that her clients know that their needs are being met so that they can concentrate on the long-term success of their business.

Joy has her Quickbooks Online Advanced Certification. In her spare time, Joy enjoys gardening, boating/fishing, cooking, and spending time with her husband of over 20 years.

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Jan Martin | Accounting Specialist

Jan Martin joined the Complete Business Accounting team early in 2022 as a seasoned accountant with over 30 years of experience. Jan’s accounting knowledge and experience spans a wide variety of industries and sectors including manufacturing, transportation, construction and non-profit. She is experienced in a number of accounting specialties including payroll, custom financials and working job allocations.

As a successful entrepreneur herself, she fully understands the challenges small-businesses face, as well as the value of having outsourced accounting support. With a degree in business management, she is able to examine business from a perspective of their entirety for better understanding of accounting processes and needs. She knows first-hand what it takes to be successful in business and brings relevant, useful experience to her client relationships.

When she isn’t supporting her CBA clients, Jan and her husband Mark are deeply involved in leading several ministries, sharpening their shooting skills, crafting and spoiling the grandkids.

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Regina Mennig | Accounting Specialist

Regina Mennig is an Accounting Specialist with Complete Bookkeeping and Accounting and has been with the company since December, 2020. She enjoys assisting for profit businesses from small to large. She loves to assist owners in getting a grasp on their finances, allowing them time to focus on the important aspects of overseeing their businesses.

Regina has vast experience in the administration and management of a business and providing excellent customer service, as she owned and operated a large horse boarding, breeding and training facility for over 20 years. In addition, she has over 20 years experience working in the legal, construction, real estate, and retail industries as well as with the IRS. She has a background in various specialities including payroll, quarterly and annual taxes, sales tax, accounts payable, accounts receivable, expense reports, and financials. This skill set is beneficial to her clients, as Regina has the same experience as they do in managing day to day tasks while ensuring the long-term success of their businesses.

Regina has her Quickbooks Online certification and is working towards obtaining her Desktop and Enterprise certifications. Outside of work, Regina enjoys spending time with her daughter, her horses and dogs. She enjoys travelling, scuba diving, auto racing, and working on her ranch.

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Alyson Blackthorne | Senior Accounting Specialist

View Alyson’s ProAdvisor Profile on Intuit’s Referral Website

Alyson has been a member of the CBA family since September 2015. She has a wide range of clients from various industries; Alyson specializes in non-profits.

She has an extensive background in various specialties including payroll, accounts payable, accounts receivable, expense reports, financials, and various applications. Her education includes an Associates of Science degree in Business Administration from San Diego Miramar College and QuickBooks Online and TSheets certifications. Alyson has earned a Certified Non-Profit Accounting Professional (CNAP) title.

In her downtime, Alyson enjoys visiting local eateries and events with her husband and daughter, baking, and watching or reading anything in the science fiction, fantasy, or historical drama genres. She has two cats, named Han Solo and Honey Bee.

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Jessica Mullaney | Onboarding Specialist

View Jessica’s ProAdvisor Profile on Intuit’s Referral Website

As a member of the CBA family for the past ten years, Jessica is a versatile accounting and communications professional who is currently serving as a Sr. Accounting Specialist and Onboarder for CBA. She is experienced in numerous bookkeeping and accounting specialties including payroll, job costing, and custom financials to name a few.

Jessica has serviced a combined portfolio of multiple clients across varying industries, including public relations, hospitality, telecommunications, legal, real estate, consulting, and non-profit. During her tenure, she has also earned Certifications through 2012-2021 as a QuickBooks Online ProAdvisor.

In addition to her background in accounting, Jessica has a strongly developed academic background in professional communications, having earned her Bachelor’s degree with Honors at the University of California, Merced.

In her spare time, Jessica enjoys spending time with her husband and son, painting and refinishing furniture, and DIY home projects.

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