About Us

Based in Novato, California, Northbay Accounting is a full service financial outsourcing firm that was established to help fast-growing small and medium sized businesses and entrepreneurs stay focused on their core competencies, in order to succeed in today's rapidly changing business environment. We offer accounting services, technology applications and business planning functions for our clients. We act as your accounting office, empowering you to concentrate on what you do best.

What We Do

Northbay Accounting has combined accounting outsourcing and a web-based service to provide real-time accounting services to small, mid-size, and fast-growing businesses. This web-based service is state-of-the-art but utilizes an easy to use online interface to provide anytime/anywhere financial reporting that rivals the software used by Fortune 500 companies. Bookkeeping is performed by trained accountants and bookkeepers while you're in complete control of your finances from accounts payable authorizations to signing the checks. Northbay Accounting's service goes beyond bookkeeping to transform everyday accounting information into a powerful management tool. One that is guaranteed to provide you and your key staff with unprecedented convenient and increased access to expanded, up-to-date information that will help you make better-informed decisions. Free your personnel and financial resources to focus on what you do best.

Our People

Marsha Guinn

Marsha has spent the last eighteen years running her own bookkeeping/accounting Northbay Accounting. Her clients have included start-up companies, law firms, small entrepreneurial organizations and companies in distress. With a stable track record of handling business from startup to profitability, Marsha has built her practice to serve the needs of small and start-up executives. As a sole practitioner with over twenty years experience in accounting, information technologies, and business management, Marsha enjoys rolling up her sleeves and working with her clients to solve their everyday business problems. Prior to founding Northbay Accounting, Marsha held a number of accounting and accounting-related positions with various companies and organizations, including Coopers & Lybrand, the Office of the Madera County Superintendent of Schools, the Law Offices of Stanley J. Bell, and the Law Firm of Lukens & Drummond. After the birth of the first of her three children, desiring more flexibility in her working hours, Marsha started MG Accounting, with several of her original employers signing on as clients. Since 1995, she has continued to provide top-notch accounting and bookkeeping services to these clients and more, including a family day-care center and two manufacturing service companies. In addition to having a diverse client-base and accounting background, Marsha is an expert in assisting new and emerging companies manage the financial and start-up issues they face. Marsha possesses an in-depth knowledge of QuickBooks, MYOB, Quicken, TimeSlips, Excel, Word Perfect and Microsoft Word, and her "systems" approach to solving small business accounting problems has earned her the respect of both her clients and her peers. She has excellent language and writing skills as well as a sharp analytical mind, and these attributes nicely complement her extensive working knowledge of accounting trends and practices.

Thomas Engdahl

Tom is a pioneer and early day entrepreneur of technologies ranging from telecommunications and cable to Internet-based content and video delivery. He has established, built and led technology companies to financial health by conceptualizing and executing strategic marketing and business development campaigns that consistently delivered strong revenue gains. His ability to raise capital, turn around struggling endeavors, and establish joint ventures and strategic partnerships has led to IPOs and profitable sales of a number of companies.



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