Standards
I apply Fortune 500 standards to every client, bringing professional bookkeeping to support growth.
Impact
My systems are designed to help increase profits by thousands annually and free up hundreds of hours.
Insight
I understand creative, marketing, and growing businesses, so your books match how you actually operate.
Steve Wittkoff
I founded Coastline Bookkeeping in March 2026 to turn more than 30 years of elite, Fortune 500 marketing and advertising experience into practical, high-impact financial support for businesses of all sizes, start-ups, creative professionals and entrepreneurs. My mission is simple: to provide the absolute financial clarity, data precision, and top-tier professionalism typically reserved for massive corporations, packaged perfectly for businesses of all sizes.
Professional Credentials:
- QuickBooks ProAdvisor
- Fortune 500 Strategy Expert
- 20+ Years Marketing Expert
QuickBooks Gold ProAdvisor
QuickBooks Certified User
Free Initial Consultation
Profit Focus
Creative Insight
Virtual Access
Enterprise-Level Profit Growth
As a strategist for Fortune 500 companies and a QuickBooks ProAdvisor, I drive sustainable profit growth for your business. I help business owners increase profits and grow their business, while saving them time through best practices bookkeeping and advisory services. By transforming messy ledgers into clear, tax-ready insights, I save you up to 250 hours annually so you can confidently focus on scaling your revenue.
Your Trusted Financial Lighthouse
Think of me as a financial lighthouse for your business—delivering stable guidance, mitigating risks, and providing clear direction. I combine deep technical expertise with plain-language explanations and regular virtual check-ins. You gain an empathetic, highly patient advisor who deeply understands marketing spend, cash flow challenges, and profit margins, allowing you to finally make leadership decisions with total confidence.
Reclaim Time, Scale Profits
I specialize in supporting creative professionals, marketing agencies, and growing service-based businesses throughout Connecticut (Fairfield and New Haven Counties) and nationwide. By implementing streamlined bookkeeping systems and organized financial processes, I help business owners increase annual profits by $5,000 to $15,000 or more, while saving them up to 250 hours each year. I take the stress out of day-to-day payroll, inventory reconciliation, and monthly reporting, delivering immaculate, tax-ready records so you can focus entirely on your clients, your strategy, and your revenue.
Virtual, Flexible Support
Schedule virtual meetings, share documents securely, and receive ongoing support that fits your calendar.
QuickBooks
I configure QuickBooks for automation, accuracy, and clarity, so every report becomes a practical management tool.
Reporting
Gain monthly insight into cash flow, margins, and trends that directly support smarter business decisions.
Personal Guidance
Work directly with me for clear answers, proactive check-ins, and truly personalized advisory support.