About our CPA Firm

The Tucson CPA firm of Flowers•Rieger & Associates, PLLC, was originally established in 1984 by Michael C. Flowers, a CPA who is a recipient of the prestigious Small Business Leader of the Year Award. We are or have been members of the following fine organizations:

  • American Institute of Certified Public Accountants
  • Arizona State Society of Certified Public Accountants
  • Tucson Metropolitan Chamber of Commerce
  • Arizona Business Brokers Association
  • Southern Arizona Home Builders Association
  • Arizona Optics Industry Association
  • American Marketing Association
  • Centurions

In addition, Mr. Flowers was appointed to the City of Tucson’s Small Business Commission by the Mayor of Tucson.

You are the most important person in our office.

To benefit you or your business, we are well established, with more than 30 years in business in Tucson. In addition, we have an experienced staff of several certified public accountants (CPAs) who have a wealth of knowledge (they average over 30 years of CPA experience each). We are more than qualified to meet your financial, accounting, tax planning and tax consulting needs. Your toughest tax, financial and business concerns will be addressed by a “Small Business Leader of the Year” Award winner.

Our service philosophy is the same concerning all of our clients: To provide thorough, accurate and professional accounting, tax preparation or consulting services at a reasonable cost in a timely manner, with no unexpected surprises to our clients. We are pro-active and aggressive, as we monitor and inform our clients of the application of tax and business changes which may affect them or their businesses.

In addition to close personal attention and complete confidentiality, as a courtesy to you, we offer our quarterly newsletter, our annual tax deduction checklist and an initial consultation (up to one-half hour) on a no-charge basis.
Flowers & Rieger & Associates

CPA Firm of Flowers-Rieger & Associates, PLLC

  • Former Small Business Leader of the Year Award Winner
  • Over 150 Years Combined CPA Experience
  • Appointed By Mayor to Tucson Small Business Commission
  • Member American Institute and Arizona Society of CPAs
  • Master of Accounting Science
  • Past Director Arizona Business Brokers Association
  • Past Chairmen of Tucson Chapter of the Arizona Society of CPAs, Reporting Standards Committee

 

Michael C. Flowers, CPA

Founding Member and Small Business Leader of the Year

Timothy Rieger, CPA

Member, Managing Director of Tax & Financial Services

Thomas Smith, CPA

Tax and Accounting Supervisor

Ann Ashton, CPA

Tax Supervisor

Thomas E. Longfellow, CPA

Senior Tax Manager

Peter Shellberg, MBA, EA

Tax Supervisor

Karen Johnson

Bookkeeper for Firm’s clients


Michael C. Flowers, CPA

(520) 327-8706 Ext.222

Managing Member

mcf@theriver.com

Over thirty years in public accounting have provided Mike with a very broad and diverse background involving clients from emerging businesses to those with over $400,000,000 in sales. He has concentrated on consulting to small business, and has considerable experience in all phases of public accounting, including management consulting and sophisticated income tax and estate planning. Mike is also familiar with incorporation, pension issues, and all aspects of assistance to emerging and start-up businesses. Mike is also a frequent guest on local television and radio and has been quoted numerous times in the Arizona Daily Star and Tucson Citizen.

Career Experience

  • FlowersRieger & Associates, PLLC (Tucson) – Founder/Managing Member (1984 to Present)
  • Crable, Parson & Dooley, CPAs (Tucson) – Partner (1981 to 1984)
  • Coopers & Lybrand, CPAs (Tucson) – Tax and Audit Senior Accountant (1978 to 1981)
  • Ernst & Young, CPAs (New York City) – Audit Senior Accountant (1976 to 1978)

Past and Present Professional and Community Memberships

  • Named Small Business Leader of the Year 1992
  • Former Member, Appointed by the Mayor to City of Tucson’s Small Business Commission
  • American Institute, Arizona and New York Societies of Certified Public Accountants
  • Arizona Society of Certified Public Accountants
  • Former Chair, Tucson Public Relations Subcommittee
  • Former Chair, Tucson’s Arizona State Society of CPAs, Reporting Standards Committee
  • Tucson Member, Managing an Accounting Practice & Public Relations Subcommittee
  • Tucson Metropolitan Chamber of Commerce
  • Voted Los Compadre of the Year 1991 for recruiting most new chamber members
  • Former Chair, Chamber of Commerce Small Business; Leader of the Year Award Committee
  • Former Chair and Active Counselor, Chamber’s Emerging Business Consulting Program
  • Former Member, Chamber’s Caballeros del Sol (traveling ambassadors)
  • Member and Former Board Member, Arizona Association of Business Brokers
  • Former Board Member and Treasurer, Copper Bowl Foundation
  • Former Board Member and Former Chairman of the Board Arizona Icecat Hockey, Inc.
  • Former Member, Tucson Hispanic Chamber of Commerce
  • Past Treasurer and Member of Board of Directors, American Diabetes Association, Tucson Chapter
  • Past President of American Marketing Association Tucson Chapter
  • Former Member, Arizona Theater Company, Small Business Subcommittee
  • Chairman of the Major Gifts Committee of Juvenile Diabetes Research Foundation and Board Member

Education

  • Iona College (New Rochelle, NY) – Accounting Major, 1976
  • BBA Magna Cum Laude – Top 10th percentile

Timothy Rieger, CPA

(520) 327-8706 Ext. 241

Principal Member, Managing Director of Tax and Financial Services

tim@flowersrieger.com

Tim has more than thirty years of experience in both private and public accounting which have provided him with diverse experiences in audit management, internal controls and procedures, income tax preparation and management consulting.

His background includes work with clients in various industries including real estate, manufacturing, construction, services, car dealerships and non-profit organizations. Tim also has significant experience in the areas of mergers and acquisitions, management and financial consulting, tax planning and operational reviews.

Career Experience

  • FlowersRieger & Associates, PLLC (Tucson) – Owner (from 1997)
  • Michael C. Flowers, CPA, PC (Tucson) – Manager (5 years)
  • The Dial Corportion – Internal Auditor (2 years)
  • Coopers & Lybrand – new Pricewaterhouse, Coopers (Tucson) – Manager (5 years)
  • Turigliatto, Collins, Bitner & Palm, CPAs (4 years)
  • Ernst & Young (1 year)

Past and Present Professional and Community Memberships

  • American Institute of Certified Public Accountants
  • Arizona Society of Certified Public Accountants
  • Centurions (a non-profit fundraising organization)
  • Former Member Alliance of Construction Trades
  • Former Board of Directors of Child Parent Centers (Headstart) of Southern Arizona
  • Former Board of Directors Y.M.C.A.
  • Former Chairman of Arizona Society’s Reporting Standards Committee Southern Chapter
  • Former Member, Northwest Pima County Chamber of Commerce
  • Member, Tucson Metropolitan Chamber of Commerce

Education

  • Northern State College (Aberdeen, SD)
  • Bachelor of Science Degrees, 1979
  • Accounting
  • Business Management
  • Marketing

Thomas Smith, CPA

(520) 327-8706 Ext. 237

Tax and Financial Services Supervisor

thomas@flowersrieger.com

Tom has over 30 years of experience in public accounting working with small businesses and their owners.  His experience with the small business entrepreneur includes advice, review and preparation of accounting reports including compilation and review services in addition to extensive tax reporting skills in all small business tax returns.  His background includes work with clients in various industries including manufacturing, construction, services and non-profit organizations.

Career Experience

  • Flowers•Rieger & Associates, PLLC (Tucson) – Tax and Accounting Supervisor (2009 – Present)
  • CliftonGunderson LLP – Manager Entrepreneurial Business Services (2005 – 2007)
  • Pascuzzi, Hedblad & Co. – Manager and Partner (1994 – 2004)
  • Callahan, Pascuzzi & Co. – Senior Staff Accountant (1986 – 1993)
  • Siegrist & Higgins, CPA’s – Staff Accountant (1984-1986)

Past and Present Professional and Community Memberships

  • QuickBooks Pro Certified
  • American Institute of Certified Public Accountants
  • California Society of Certified Public Accountants
  • Member of the Arizona Society of Certified Public Accountants
  • Former member National Association of Certified Valuation Analysts

Education

  • CaliforniaStateUniversity,Sacramento– Bachelor of Science, Accounting, 1984
  • CaliforniaStateUniversity,Sacramento– Bachelor of Arts, History, 1984

Karen Johnson

(520) 327-8706 Ext. 229

Bookkeeper

karen@flowersrieger.com

A combination of formal education, specialized training and practical application has resulted in excellent qualifications as a Full Charge Bookkeeper; Executive Assistant; Office Manager and Administrative Assistant.  Karen also possesses skills in the following areas:  purchasing, invoicing, accounts receivables, accounts payables, payroll, insurances, employee records, payroll tax and sales tax reports.  She excels at supervising other employees, administering company policies and has excellent communication skills, written and verbal. Karen has worked with QuickBooks for over 15 years and has helped many clients with setting up, maintaining and correcting QuickBooks and using other accounting software.

Career Experience

  • Flowers•Rieger & Associates, PLLC (Tucson) – Bookkeeper for Firm’s clients (2017-Present)
  • Glove It, LLC – Office Manager/HR/Bookkeeper (2012-2017)
  • Design Associates, LLC – Office Manager/Bookkeeper (2009-2012)
  • Benefits USA – Full Charge Bookkeeper (2009)
  • Independent – Full Charge Bookkeeper (2004-2009)
  • Totally Bamboo, Inc. – Bookkeeper (2003-2004)
  • Show Technologies, Inc. – Executive Assistant/Office Manager/Bookkeeper (1998-2002)

Computer Knowlege

Well versed in all office procedures and equipment. Computer skills encompass PC’s & Macs, ADP Payroll, Time Labor Management, QuickBooks Enterprise, MYOB, Quick Books Pro, Datafaction, MAS 90, Outlook, Outlook Express, Print Shop, Excel, Word, Adobe, True Commerce, SPS Commerce.

Education

  • High Jump/True Commerce EDI Seminar and Training (2017)
  • Quick Book Enterprise Seminars (2016)
  • Sales Tax Seminar (2004)
  • State and Federal Laws for Employees Seminar (2001)
  • ADP Benefit Accrual Seminar (2000)
  • ADP 401 (K) Seminar (1999)
  • ADP PC for Payroll Seminar (1998)
  • Small Business Management Class (1998)
  • Office Organization Seminar (1994)
  • Windows 3.0, Quattro Pro, Word Perfect & Excel Classes (1992)
Ann Ashton, CPA

Ann Ashton

(520) 327-8706 Ext. 240

Tax Supervisor

ann@flowersrieger.com

Over twenty-six years of accounting in both private and public practice have enabled Ann to acquire various skills involving income tax preparation, year-end accounting, payroll processing, computer applications and tax planning. Ann has worked with many small business clients who have operated as Sole Proprietorships, Partnerships and Limited Liability Companies, as well as regular and Subchapter S Corporations.

Ann’s background as a Controller has enabled her to advise businesses, both as a trusted employee and as a CPA as a trusted advisor.

Accounting Career Experience

  • FlowersRieger & Associates, PLLC (Tucson) – Tax Supervisor (2004-Present)
  • Moran, Quick & Associates, CPA’s (Tucson) – Senior Accountant (2002-2004)
  • Beach, Fleishman & Co., CPA’s (Tucson) – Senior Accountant (1996-2002)
  • SOS Electronics, Inc. (Tucson) – Controller (1991-1996)

Education

  • University of Arizona – Bachelor of Science, Accounting and Finance, 1996

Thomas E. Longfellow, CPA

(520) 327-8706 Ext. 239

Senior Tax Manager

thomasl@flowersrieger.com

Thirty plus years of public accounting and four years of private accounting have enabled Thomas to build a broad and diverse background involving clients from small businesses to larger businesses.  Thomas has specialized in all aspects of small businesses to help them grow and thrive in today’s environment including assistance with financing, start up and succession plans and appropriate pension alternatives.  Thomas is an expert in all facets of income taxes for individuals, partnerships, LLCs, corporations and S corporations.

Accounting Career Experience

  • FlowersRieger & Associates, PLLC (Tucson) – Senior Tax Manager (2017 – Current)
  • The Source International, LLC – Accounting Manager (May 2014 – July 2016)
  • Thomas E. Longfellow, CPA (Sierra Vista) – Owner (June 1988 – Present)
  • Ernest Potter, CPA – Chief Auditor and Tax Supervisor (May 1986 – June 1988)
  • D & M Fertilizer – Accountant (February 1984 – December 1986)

Past and Present Professional and Community Memberships

  • QuickBooks Pro Certified
  • American Institute of Certified Public Accountants
  • Arizona Society of Certified Public Accountants
  • Bisbee Hospital Association, Former Member of the Board of Directors
  • Sierra Vista Rotary, Former Treasurer and Member
  • Lighthouse Ministries, Current Officer and Member of the Board of Directors
  • BPOE Elks Lodge, Former Member
  • Beta Omega Sigma, Alumnus

Education

  • Augustana College, Rock Island, IL – Bachelor of Arts,  Major in Accounting and Business Administration, Minor in Computational Mathematics, 1983

Peter Shellberg, MBA, EA

(520) 327-8706 Ext. 232

Tax Supervisor

pete@flowersrieger.com

Over twenty-five years of tax and accounting experience in both private and public practice have enabled Pete to acquire and develop various professional skills such as income tax preparation for S-corporations, C-corporations, partnerships, trusts and individuals, year-end accounting, payroll processing and computer software applications. He has consulted with many small business clients and is well versed in numerous organization entity types including sole-proprietor, partnerships and limited liability companies as well as regular corporations and subchapter s-corporations.

Pete has worked at multiple institutions as both a part-time and full-time college instructor for over twenty-five years. He has also taught over thirty different associate and bachelor level college courses in the fields of accounting, business and mathematics.

Accounting Career Experience

  • Flowers•Rieger & Associates, PLLC (Tucson) – Tax Accountant (1996-2007 and 2012-present)
  • Various per diem accounting and tax positions (1991-1995)
  • Pima Savings and Loan Association – Tax Accountant (1988-1991)

College Instructor Career Experience

  • Enrolled Agent licensed to practice with the Internal Revenue Service.
  • Brown Mackie College, Accounting and Business Management Instructor (2007-present)
    • Master Teacher of the Year, Tucson Campus (2009)
  • Chaparral College, Adjunct Instructor – Accounting, Business and Statistics (1995-2007)
  • Pima Community College, Adjunct Instructor – Accounting and Algebra (1995, 2002-2003)

Past and Present Professional and Community Memberships

  • Brown Mackie College, Program Advisory Committee – Accounting and Business Management, board member since 2007
  • Enrolled Agent – Internal Revenue Service, enrolled since 1999
  • Arizona Community College Lifetime Teaching Certificate, issued 1997
  • National Society of Tax Professionals, member since 1995

Education

  • Arizona State University, Masters in Business Administration, 1985
  • University of Illinois, Bachelor of Science – Mechanical Engineering, 1980