Last updated: October 2, 2026
By Tom Kenaley, President and Senior Partner, KORE1
The best controller interview questions in 2026 make the candidate trace one transaction from source document to financial statement, explain one balance sheet account line by line, and rework a small reconciliation in the room. Describing the job is the easy part. Every finalist can do it.
Auditors settled this a long time ago. The standard that governs how public-company controls get tested, PCAOB AS 2201, lists the kinds of proof an auditor can collect in order, “from least to most.” Inquiry is first on that list, which makes it last in value. Then observation. Then inspection of documents. Then re-performance, where the auditor redoes the work to see if the same answer comes out. A note follows the list, and for a standards body it’s blunt. Inquiry alone does not provide sufficient evidence that a control works.
Now read the top results for this search. How do you ensure accuracy in financial reporting? Describe your experience with month-end close. Tell us about a time you caught an error. Inquiry, inquiry, inquiry. One popular list has thirty-five of them.
Here’s what should bother you. The person across the table has spent a career on the receiving end of auditors. A controller would never sign off on a staff accountant’s reconciliation because the staff accountant said it was fine, and yet the standard interview asks you to do exactly that with the controller, for the most trusted seat in the building, for about an hour, right before you make an offer.
A family-owned food distributor in Anaheim did it the usual way two years ago. About $85 million in revenue, a line of credit with a regional bank, and a controller retiring after nineteen years. The finalist they loved had a great story. He had taken the close at his last company from twelve business days down to five. True, as it turned out. He did the same thing in Anaheim by his third month, and the owner was thrilled.
Then the bank sent a field examiner for the annual collateral exam. Routine. The examiner asked for the receivables aging tied to the general ledger, and it didn’t tie. Off by $212,000. Unapplied cash, credit memos nobody had posted, a customer deposit parked in the wrong account since spring. The close was fast because it was being called before the reconciliations were done.
Nobody lied in that interview. They asked how long his close took. He told them.
You should know who’s writing this. KORE1 runs controller staffing and search inside a broader accounting and finance staffing group. We get paid only when a client hires someone we introduced. Nothing below requires us. An owner or a CFO can run every one of these rounds on candidates who arrived through a referral or a job posting. Still working out which kind of controller the company needs? Our controller hiring guide is the place to start. If the open question is money, the controller salary guide has the bands. This page picks up after both. The req is open. Résumés are in.
What Controller Interview Questions Should Prove
Controller interview questions exist to show whether a candidate can close the books accurately and on time, keep controls working when nobody is checking, get through an audit, and tell an owner no. That’s four things, and a good loop leaves you with proof of each.
Proof meaning something you could show to a person who wasn’t in the room. Most of us walk out with a feeling that the hour went well.
The auditor’s list works as a ladder. Here’s where the usual questions sit on it. I’d bet most of yours are on the bottom rung. Mine were, for years.
| Kind of evidence | What it looks like in an interview | What you learn |
|---|---|---|
| Inquiry | “How do you make sure the close is accurate?” | That they can describe a close. Nearly everyone can. |
| Observation | Twenty minutes with your AP lead or staff accountant while you sit in and say nothing | What they ask first, and whether they hear a broken process when one is described to them |
| Inspection | Questions about the things they built, such as the close checklist, the reconciliation sign-off log, and the variance template | Whether those documents exist, who made them, and what is on them |
| Re-performance | A ten-minute exercise on paper with a planted error | Whether they can still do the work they will be reviewing |
I’m not knocking inquiry. How a person talks about their team and their last boss is worth hearing, and there’s no other way to get at it. But it’s the weakest proof on the ladder, and in most loops it’s also the only proof anybody collects.
Take the close-speed answer from Anaheim. The yardstick most people quote is APQC’s benchmarking survey of 2,300 organizations, written up by CFO magazine, which put the median monthly close at 6.4 calendar days, the fastest quarter of companies at 4.8 or less, and the slowest quarter at ten or more. That write-up dates to 2018, and it’s still the number everybody reaches for. So a candidate who says “five days” sounds like a top performer. Maybe. A better question is what was still open on the day they called it closed, and which reconciliations got finished afterward. Ask that. Then wait. If you’d like the same picture of your own close before you interview anyone, our close replay diagnostic splits a month-end into time spent waiting, manual work, and judgment calls.
Trace One Transaction from the Dock to the Balance Sheet
Auditors call this a walkthrough. In the standard’s words, they follow a transaction “from origination through the company’s processes” until it lands in the financial records. You can do the same thing to a candidate in fifteen minutes, and you don’t need a single document.
Pick a transaction that matters in your business and make it physical. For a distributor or a manufacturer, try this one. A truck backs up to receiving with forty pallets on a Tuesday, three days before month-end. Take me from that truck to the balance sheet. Who touches it, in which system, and where does it usually go wrong?
People who have owned the process go straight to the awkward parts. The receiving report, and whether it gets keyed the same day. The three-way match against the purchase order and the vendor invoice, and what happens to pallets that show up before the invoice does, because those need an accrual for goods received and not yet invoiced or the expense lands a month late. Cutoff. Who can set up a new vendor, and whether that same person can release a payment.
That last one matters more than it sounds. The Association of Certified Fraud Examiners studied 2,402 occupational fraud cases for its 2026 Report to the Nations and found the typical scheme lasted twelve months before detection, with a median loss of $104,000. Twelve months. At a company with sixty employees and no internal audit department, the controller is the detection system. If a finalist can’t say, unprompted, who is able to add a vendor and who is able to pay one, you have your answer.
A few follow-ups that work once they get going.
- Where in that chain did you last find an error, and how did you find it?
- Which step is still a spreadsheet?
- If I pulled twenty-five paid invoices from last quarter, how many would have a receiving document attached? A real operator gives you a number, then names the vendor that’s always the exception.
- What did the auditors or the bank ask about this process last year?
- Who covers when the AP lead is on vacation? This is where segregation of duties quietly falls apart at small companies. Every August.
Service businesses can run the same round on a customer contract, from signature through billing, revenue, and cash. A software company should use a multi-year subscription with an upgrade in the middle of the term. Same question. Different truck.
A contract manufacturer in Torrance ran this round last winter with two finalists. The first gave a clean, correct, textbook answer. The second stopped about a minute in and asked the CFO a question back. Do you receive against the purchase order in the system, or on paper at the dock? On paper, it turned out, keyed in batches on Fridays. She said that explained the lumpy materials and freight lines she’d noticed in the monthly numbers they had sent her, and that she’d want a received-not-invoiced accrual in place before the first quarter-end. They didn’t have one. She found a real problem in their books during her own interview. The offer went out that week.
Pick One Account and Ask What’s in It
Auditors don’t test everything. They sample. So sample.
Ask the candidate to name the ugliest account on the balance sheet they’re responsible for today, then tell you what’s in it. Accrued liabilities is a common pick. So is a cash clearing account, unapplied customer payments, prepaid expenses, or intercompany if there’s more than one entity. You aren’t hunting for a clean account. Every balance sheet has a junk drawer. You want the person who knows what’s in the drawer.
I’ve written about the version of this for the seat above, where the questions for a CFO finalist go after the credit line and the covenant. A controller’s version sits one level down. Accounts, not ratios.
Prompts that work in this round.
- What’s the oldest reconciling item on your main bank account right now, and why is it still there?
- Which accrual do you set by judgment and not by a calculation? How far off was it last year?
- When did the receivables subledger last disagree with the general ledger? By how much?
- Which account does your staff dread, and what did you change about it?
The tell is texture. Someone who reviews reconciliations every month answers with a dollar figure, a date, and a name, something like “about $18,000, mostly a payroll tax refund we’ve been chasing since March, and Dana has the ticket open with the state.” Someone who signs the summary page says the account is reconciled monthly and reviewed. Both statements can be true. Only one tells you who did the reviewing.
Rounded numbers are fine here. So is a candidate who would rather not name the customer. Nobody should recite an employer’s balance sheet to a stranger, and the careful ones will tell you that themselves.
Have Them Redo a Small Piece of Work
Re-performance is the top rung, and it’s the one hiring teams flinch at. I get it. Asking a person with fifteen years in the seat to do ten minutes of accounting in front of you feels rude.
It isn’t. The CFO of a packaging company in Rancho Cucamonga talked herself into trying it last year, mostly because her outside CPA firm offered to build the page. They pulled a real bank reconciliation off her own books, changed the names and the amounts, and had it ready in under an hour. One sheet of paper. She gave it to each finalist in the second meeting, along with a pencil and ten minutes. No take-home. Nothing to prepare. If a bank reconciliation doesn’t suit your business, a prepaid schedule will do, and so will two months of an income statement with one line that moved for no reason anyone can explain.
Whatever you choose, it needs two planted problems. Ours tend to be these. A deposit that has been “in transit” for forty-seven days, which can’t be right, since anything that old was booked and never made it to the bank. And an outstanding check written for $4,810 that the bank cleared at $4,180. That gap is $630. Six hundred thirty divides evenly by nine, and bookkeepers have known for a century or so that a difference divisible by nine usually means two digits traded places. Second-year staff accountants learn it. Nobody forgets it. We have still seen a candidate with a controller title at three straight employers look at that $630 and go hunting for a missing invoice.
Hardly anyone finishes in ten minutes. Doesn’t matter. What to watch is the order they work in. Dates before amounts? A question about the cutoff? When the old deposit turns up, listen for what they’d say to the staff accountant who prepared the page, and ask yourself whether you’d care to be that staff accountant. A controller spends most of the month reviewing work other people did. So this is the job, ten minutes of it, with you sitting there.
Strong candidates tend to like it. More than one has told our recruiters it was the first interview in years where anybody checked.
Four Questions That Have a 2026 Answer
A controller’s knowledge has a shelf life. These four changed recently enough that a current answer and a stale one sound different. Use the ones that fit your books.
What’s the 1099 threshold on payments you’re making this year?
$2,000. For decades it was $600. The tax law signed in July 2025 raised the reporting threshold for Forms 1099-NEC and 1099-MISC, and the IRS instructions for those forms confirm it applies for tax years beginning after 2025 and may be adjusted for inflation starting in 2027. The same $2,000 line now governs backup withholding.
Anyone running accounts payable this year knows it cold. The better follow-up is what they changed. A sharp answer is “almost nothing.” They still collect a W-9 from every new vendor before the first payment, because in February nobody knows who will cross $2,000 by December. And a higher filing threshold does nothing to settle whether those people should have been paid as contractors in the first place, which is a separate exposure we cover under contractor misclassification risk.
Did you take the new shortcut on the bad debt reserve?
FASB’s ASU 2025-05 gives every company a simpler way to estimate credit losses on current trade receivables and current contract assets. Elect it, and you may assume that conditions on the balance sheet date hold for the remaining life of those receivables, which removes the forecasting exercise that made the expected credit loss model such a chore for ordinary customer invoices. Private companies that elect it get a second option, to count cash collected after the balance sheet date but before the statements go out. Grant Thornton’s summary has the details. It took effect for fiscal years beginning after December 15, 2025. For a calendar-year company, that’s this year.
You aren’t grading the election. Either choice can be right. Listen for whether they know the option exists, whether they raised it with the auditors or the auditors raised it with them, and whether they can explain their reserve in two sentences.
How do you decide when to start capitalizing software now?
Skip this one unless you build software for your own use. If you do, it’s a good filter. For years the rule leaned on project stages, and nothing could be capitalized until the preliminary stage was finished, which never fit teams that ship every two weeks. ASU 2025-06, issued in September 2025, drops the stages. Capitalization now begins once management has authorized and committed to funding the project and it’s probable the project will be completed and the software used as intended, with new guidance on what counts as significant development uncertainty. Crowe’s write-up is a clear read. The update is effective for annual periods beginning after December 15, 2027, and early adoption is allowed.
A candidate doesn’t need to have adopted it. They should know it’s coming, have a view on adopting early, and understand that the judgment now lives in the paperwork, meaning who approved the project and when. That’s a controller’s problem. Not engineering’s.
Which reconciliation does software prepare for you now, and who signs it?
Plenty of close tools now match transactions and draft reconciliations without anyone touching them. Fine. Good, even. The preparer changed. The review didn’t, or shouldn’t have. A candidate who has lived with one of these tools can name the account it handles, what it gets wrong, and who looks at the exceptions. Matching on amount alone and pairing the wrong invoices is the classic miss. We’ve written more about where AI shortens the close and where it doesn’t.
The answer to worry about is “the system reconciles that.” Systems match. People reconcile.
Call Their Auditor
Auditors confirm balances with outside parties because a company’s own word isn’t enough. Do that too.
Ask the finalist two things. How many adjusting entries did your auditors propose last year, and how many did you book? How many items on the request list went back late? Then ask permission to call the audit manager or the outside CPA who worked with them, at a prior employer if the current one has to stay confidential. Standard references are chosen by the candidate, and they’re all friends. The audit manager has spent three Januaries waiting on this person’s schedules. They know.
No audit in their history? Then call the banker who received the monthly borrowing base or the covenant package. Same idea. Somebody outside the company depended on those numbers arriving right and on time, and that person can tell you in about four minutes whether they did.
Our recruiters make that call on controller searches when the candidate agrees to it. Most do. The ones who hesitate usually explain why before you ask, and the explanation is worth hearing.
Answers That Should Slow You Down
| What you hear | What it often means |
|---|---|
| “We close in three days,” with nothing about what gets reconciled afterward | The close is a date on a calendar, not a finished set of books |
| “My team handles the reconciliations.” | Review by signature |
| “We’ve never had an audit adjustment.” | A very clean shop, or an audit that never looked hard. Ask which. |
| Every process answer starts with the name of the software | They operate the system and may not know the accounting underneath it |
| “The auditors were difficult,” at more than one employer | The schedules were late |
| “I’d have to see your system first,” said to a one-page paper exercise | It has been a while since they prepared anything themselves |
A single row from that table shouldn’t sink anyone. People have off days and odd employers. Stack three in one afternoon and you’ve learned something.
Questions We Hear About Running These Rounds
How much interview time does a controller hire really need?
About four hours of candidate time across three sittings covers most controller hires, with one conversation with the boss, one working session for the transaction trace and the exercise, and one meeting with the team or an outside advisor.
More rounds than that mostly cost you candidates. Good controllers are employed, busy, and often interviewing during a close week they can’t step away from. Schedule around their calendar. Nobody takes a two-hour interview on business day three.
The owner can’t read a reconciliation. Can we still run the technical rounds?
An owner who can’t read a reconciliation can still run the technical rounds by renting an hour or two from someone who reads them for a living, usually the manager at the outside CPA firm or a retired controller.
Have that person build the one-page exercise and sit in on the session. The owner still runs the transaction trace, because that round is about the business and nobody knows the business better. You don’t need an accounting degree to notice that a candidate skipped the part where the truck gets unloaded.
Isn’t a written exercise insulting to someone with fifteen years of experience?
Rarely, provided the written exercise takes ten minutes, happens in the room, and is framed as the same review the candidate would perform on a staff accountant’s work.
What offends senior people is a four-hour take-home assigned before anyone has spoken to them. Tell candidates ahead of time that the second meeting includes a short working session. A few will withdraw over it. Cheap lesson.
Should an assistant controller moving up get the same questions?
The same rounds apply, but an assistant controller stepping up should be scored mostly on the account sampling and the exercise, and less on audit and lender history they haven’t had the chance to own yet.
Add one question for them. What did your controller do that you never saw? The good ones have a list, and it’s usually the lender call, the audit committee, and letting someone go. If the job you’re filling is really a rung lower, our accounting manager hiring guide is the better place to start.
Do the questions change between QuickBooks, NetSuite, and Sage Intacct?
Only the follow-ups change between QuickBooks, NetSuite, and Sage Intacct, because a three-way match is a three-way match on every system.
On the bigger systems, ask who holds the administrator role and who built the saved searches the close depends on. If a migration is coming, ask whether they have personally been through a cutover and tied out the opening balances, which is a different experience from using a system someone else set up. Our piece on the signs a company has outgrown QuickBooks covers when that move is due.
What does a controller cost in 2026?
$115,000 to $185,000 in base salary covers most controllers in 2026, and corporate controllers running audited, multi-entity closes land at $175,000 to $235,000.
Those bands come from our breakdown of controller pay, which prices the seat by what the close contains and not by revenue. Check a specific metro in the salary benchmark assistant before you write the offer.
Can we interview an interim controller the same way?
An interim controller interview can use the same rounds compressed into one sitting, since a contract controller often starts within days and the first two weeks of work tell you more than any interview could.
Run the account sampling and the paper exercise. Skip the rest. Then check the work at the end of the first close. More on how those engagements are set up is on our contract and interim staffing page.
Build the Exercise Before You Post the Job
Do one thing before the first résumé arrives. Build the one-page exercise. It forces you to decide what the job is. A company that plants an intercompany error is hiring a different controller than one that plants a missed freight accrual, and you’ll find out which company you are while you build it.
Then ask every finalist the same things, write down what they produced, and compare evidence instead of impressions. That’s all an audit is. It works on people too. If the job is not posted yet, start with our controller posting template, so the finalists arrive already matched to the scope.
Need candidates to try it on? Talk to a KORE1 finance recruiter. We started filling accounting and finance seats in 2005 and now work in more than 30 U.S. metros. Check back a year after any start date and 92% of the people we placed are still there. Controller roles are usually filled as a direct hire placement, and our accounting recruiters will bring the exercise.
