What Does a Bookkeeper Do?

Every financial statement, tax return, and business decision rests on one foundation: transactions recorded correctly, in the right place, on time. That’s the bookkeeper’s job. Here’s what it looks like in practice.
The Core Responsibilities
- Recording transactions — every sale, purchase, payment, and receipt entered into the books systematically, meeting IRS recordkeeping requirements.
- Reconciling accounts — matching the books against bank and credit card statements monthly to catch errors, missed items, and fraud.
- Managing invoices and bills — tracking what customers owe you and what you owe vendors, so cash flow is visible.
- Producing reports — the profit-and-loss and balance-sheet snapshots owners and accountants work from.
- Supporting payroll and tax prep — clean books make payroll accurate and tax season fast.
Bookkeeper vs. Accountant
The bookkeeper records; the accountant interprets. Bookkeeping produces accurate data — accounting analyzes it, prepares formal statements, and files returns. Small businesses need bookkeeping constantly and accounting periodically, which is why outsourcing both to one firm usually costs less than hiring either role in-house. The SBA’s financial management guide covers the fundamentals every owner should know.
When to Hire One
The honest answer: when the books compete with revenue-producing work for your time, or when you can’t answer “how did we do last month?” from your records. Falling behind compounds — catch-up bookkeeping costs more than staying current, and the IRS Small Business Tax Center is unforgiving about what documentation you’ll need if questions arise.
Our Smart Bookkeeping service gives Philadelphia small businesses a dedicated bookkeeper without the in-house cost — contact us to see how it works.