Bookkeeping for Marketing Agencies: A Monthly Rhythm That Keeps Client Work and Cash Clear
Running an agency means juggling retainers, project fees, software subscriptions, ad spend you pass through to clients, and freelancers who help deliver the work. It's easy for the books to fall a few months behind while client work comes first.
This guide covers what bookkeeping for marketing agencies should include each month, the agency-specific details worth getting right, and how Linked-do-Books™ handles it with flat monthly plans.
Why agency books get messy
Agencies have a few habits that make bookkeeping harder than it looks:
- Mixed revenue. Retainers, one-off projects and add-on work all land in the same bank account.
- Client costs you pay first. Ad spend, stock assets or printing you buy for a client and bill back later.
- Lots of software. Design, project management, scheduling and reporting tools, often on different cards.
- Outside help. Freelancers and contractors who deliver part of the work.
- Receivables. When clients pay late, cash gets tight even in a good month.
None of this is hard on its own. It gets hard when it piles up for six months.
What monthly agency bookkeeping should cover
1. Categorize every transaction with context
A software charge, a client's ad spend and an office expense shouldn't sit in the same bucket. Categories that match how your agency works make your Profit & Loss readable.
2. Reconcile bank and credit-card accounts
Matching activity to statements each month catches duplicate charges, missed deposits and forgotten subscriptions while they're still easy to fix. See how to reconcile a bank account.
3. Track what clients owe you
Knowing which invoices are open, and for how long, is how you spot a cash crunch before it hits.
4. Keep bills and payables moving
Open bills are tracked so you always know what's due next. Linked-do-Books keeps payables moving on the Growth and Full-Service plans.
5. Read the month
A Profit & Loss and Balance Sheet you can actually understand, plus a short note on what changed.
Agency-specific details worth getting right
- Separate client pass-through costs from your own expenses. If you buy ad spend for a client and bill it back, track it so you can see whether you were repaid.
- Watch software creep. Monthly reconciliation shows every recurring charge. Cancel what nobody uses.
- Keep contractor payments organized. Clean records and categories make tax-time conversations easier. Talk to a licensed tax professional about filing questions.
- Look at revenue by type. Retainer vs. project income tells you how predictable your next quarter is.
A chart of accounts set up for agency work makes all of this easier. So does a steady month-end close checklist.
How Linked-do-Books works for agencies
Linked-do-Books is a 100% remote, nationwide bookkeeping practice for consultants, contractors, agencies and other service businesses. Each month the team categorizes transactions, reconciles bank and credit-card accounts, keeps invoicing and payables moving on Growth and Full-Service, and sends your reports with a short plain-language note about what changed. Technology-assisted workflows handle repetitive work, and human review covers the parts that need judgment.
Monthly plans for service businesses
| Plan | Price | Includes |
|---|---|---|
| Starter | $249/month | Transaction categorization, monthly bank reconciliation, basic Profit & Loss report |
| Growth (most popular) | $399/month | Everything in Starter, plus accounts payable/receivable management, higher transaction volume, detailed monthly financial reports |
| Full-Service | $649/month | Everything in Growth, plus support for more complex books |
For most agencies with open client invoices and regular vendor bills, Growth is the natural fit because it adds accounts payable and receivable management. Compare every plan on the pricing page or see the service-business bookkeeping page.
Behind on your books? Start with Clean-Up
Books Clean-Up is a one-time project for overdue records: $150 per month behind, with a $600 minimum and an $1,800 cap. Once the books are current, you move to a monthly plan.
Need more decision support later?
Qualified clients can review CFO-Lite Advisory at $1,250/month: cash-flow forecasting, basic KPI tracking and reporting, one short monthly strategy call, and referrals to independent licensed tax professionals. It builds on clean, current books and doesn't include tax planning or tax advice.
What bookkeeping doesn't cover
These plans are bookkeeping. They don't include tax preparation, tax advice, legal advice or IRS representation. Organized books give you a better starting point for tax-time conversations with your tax professional. See bookkeeping vs. tax prep.
Is your agency ready for a bookkeeper?
Try the free Bookkeeping Health Score or the bookkeeping checklist. If you're not sure where to start, describe what you need and the team will help clarify fit and scope.
Related: bookkeeping for freelancers and consultants · how to categorize business transactions · signs your books need a bookkeeper
FAQ
Do you work with agencies outside Montana?
Yes. Linked-do-Books is 100% remote and works with businesses nationwide.
Which plan fits a small agency?
Starter fits very simple books. Growth adds accounts payable and receivable management and detailed monthly reports, which most agencies with client invoices will want.
What reports do I get?
Starter includes a basic Profit & Loss. Growth and Full-Service include detailed monthly reports, including a Profit & Loss and Balance Sheet. Every plan includes a short plain-language note.
Do you file my taxes?
No. Linked-do-Books doesn't prepare or sign tax returns or give tax advice. Tax matters are referred to independent licensed tax professionals.
My books are months behind. Where do I start?
With Books Clean-Up: $150 per month behind, $600 minimum, $1,800 cap.
Linked-do-Books provides bookkeeping services. We don't provide tax, legal or investment advice, don't prepare or sign tax returns, and don't represent clients before the IRS.