Should a bookkeeper's cover letter mention certifications?

Yes, once, near the end: Certified Bookkeeper or ProAdvisor status tells an owner you meet a standard. The body of the letter should still be about results.

How do I write the letter if I have only done bookkeeping for one small business?

Describe that business's books in concrete terms: how many transactions a month, which reports you produced, what you improved. Depth in one place is convincing.

Do I address the letter to the owner or the accountant?

To the person who posted the job, usually the owner or office manager. Mention the outside CPA only to say how you work with them.

Bookkeeper cover letter example

Bookkeeper cover letter example: an opening about a business outgrowing its books, proof from a faster close and lower receivables, and a 90-day offer.

Resume for this role

Linda Marsh

Full-Charge Bookkeeper | QuickBooks Online, Payroll, Month-End Close

Portland, OR

October 30, 2026

Mark AlbrechtOwner and General ManagerTimberline Door & MillworkVancouver, WA

Re: Full-Charge Bookkeeper

Dear Mr. Albrecht,

A growing business usually outgrows its bookkeeping before anyone notices. Your posting for a Full-Charge Bookkeeper at Timberline Door & Millwork reads like that moment, and it is one I have helped two companies through.

When I joined Willamette Custom Cabinetry in 2019, the books closed around the 15th of the following month and receivables were averaging 52 days. I rebuilt the close checklist, moved us from QuickBooks Desktop to QuickBooks Online with seven years of history, and started a weekly aging review with the owner. We now close by the 6th business day, receivables average 34 days, and our CPA's last three year-end packages needed fewer than five adjusting entries.

I also run biweekly payroll for 45 hourly and salaried employees across Oregon and Washington, which your posting lists as a requirement since you have crews on both sides of the river. I handle the withholding for both states and keep the payroll liabilities reconciled every month, so quarterly filings are never a scramble.

Before that I kept trust accounting for 22 owner portfolios and 340 rental units at Rose City Property Management, where a cleanup of the payables ledger caught $18,000 in duplicate vendor payments. Careful reconciliation is the part of the job I never rush.

I bring 15 years of bookkeeping in manufacturing, property management and freight, and I am a Certified Bookkeeper and QuickBooks ProAdvisor. I would welcome the chance to discuss what your first 90 days would look like with me on the books. I can start with two weeks' notice.

Sincerely,

Linda Marsh

Fictional candidates and employers. Any resemblance to a real person or company is coincidental.

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How this letter works

What each part of the letter above does, and how to do the same in yours.

The opening

It opens with an observation every owner recognizes, the business has outgrown its books, and suggests the posting is that moment. Small-business owners hire bookkeepers to remove a worry, so naming the worry is the right start.

Whom to address

In a small business, write to the owner or general manager, whose name is usually on the website or the state business registry. Avoid "To whom it may concern": with a company this size, a named letter is expected.

Requirements matched to proof

The posting asks forClose the books on time each month: The letter showsClose moved from about the 15th to the 6th business day at Willamette Custom Cabinetry.
The posting asks forRun multi-state payroll: The letter showsBiweekly payroll for 45 employees with Oregon and Washington withholding.
The posting asks forKeep receivables and payables clean: The letter showsReceivables cut from 52 to 34 days; $18,000 in duplicate payments caught.

Length

Five paragraphs in the usual 250 to 400 words. An owner reading this wants to know three things, close, payroll and accuracy, and the letter gives each its own paragraph.

This letter: 256 words.

The closing

It ends by offering to discuss the first 90 days, which tells an owner you will take the books off their plate quickly. A plain "Sincerely" suits the direct tone.

Mistakes to avoid in this letter

Listing software instead of results
QuickBooks, Xero and Excel are expected. Say what the books looked like before you and after: close date, receivables days, adjustments at year end.
Underselling payroll
Payroll errors are what owners fear most. If you run payroll, say for how many people and in which states or provinces.
Ignoring confidentiality
Do not name a former client's figures that could identify them. Percentages and days are enough to prove the point.

Questions about this cover letter

Should a bookkeeper's cover letter mention certifications?: Yes, once, near the end: Certified Bookkeeper or ProAdvisor status tells an owner you meet a standard. The body of the letter should still be about results.
How do I write the letter if I have only done bookkeeping for one small business?: Describe that business's books in concrete terms: how many transactions a month, which reports you produced, what you improved. Depth in one place is convincing.
Do I address the letter to the owner or the accountant?: To the person who posted the job, usually the owner or office manager. Mention the outside CPA only to say how you work with them.

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