Your CPA might be perfectly competent at filing your returns — and still costing you tens of thousands of dollars every year. The issue isn't incompetence. It's focus. Most CPAs are built for compliance: accurately reporting what happened and filing on time. But if nobody on your team is proactively looking for ways to reduce what you owe, you're paying more than you should. Here are seven signs your CPA is costing you money — and what proactive tax advisory looks like instead.

Business owner reviewing tax documents with concern
The difference between a compliance-focused CPA and a proactive tax strategist can be $20,000–$100,000+ per year in unnecessary taxes.

Sign #1: They Only Contact You at Tax Time

This is the single biggest red flag. If the only time you hear from your CPA is when they need documents to file your return — typically between February and April — you're getting compliance, not strategy.

Proactive tax planning happens year-round. The strategies that save real money — retirement plan contributions, entity elections, equipment purchases, income timing — have deadlines throughout the year. By the time your CPA calls in March, most of the best moves for the prior year are already off the table.

A proactive advisor contacts you in Q3 and Q4 with specific recommendations based on your year-to-date numbers. If nobody's reaching out in October or November with ideas, that's a problem.

Sign #2: They File Extensions by Default

Extensions aren't inherently bad — sometimes they're necessary. But if your CPA files an extension for you every single year without explanation, it may signal that you're not a priority, they're overwhelmed, or they're not doing the planning work that would make timely filing easier.

More importantly, an automatic extension means you go months without knowing your actual tax liability. You can't make informed financial decisions — about distributions, estimated payments, or reinvestment — when you don't know what you owe.

Extensions push your filing deadline, but they don't push your payment deadline. If your CPA files an extension without providing an accurate tax estimate and payment recommendation by April, you may be accruing penalties and interest without knowing it.

Sign #3: They've Never Suggested Entity Changes

If you've been operating as a sole proprietor or single-member LLC for years and your CPA has never discussed whether an S-Corp election makes sense, that's a missed opportunity. For business owners with net income above $60,000–$80,000, the S-Corp election alone can save $5,000–$30,000+ per year in self-employment tax.

Your business structure isn't a set-it-and-forget-it decision. As your revenue, profit margins, and personal situation change, the optimal entity structure may change with it. A CPA focused only on compliance will file whatever entity return you're already set up for — they won't proactively recommend restructuring, even when the savings are obvious.

Sign #4: They Don't Know Your Industry

Tax strategy is not one-size-fits-all. A dentist, a contractor, a restaurant owner, and a law firm partner all have completely different tax profiles — different deductions, different credits, different entity considerations, and different planning opportunities.

If your CPA doesn't understand the specific dynamics of your industry — the deductions unique to your business type, the credits you may qualify for, the common audit triggers in your sector — they're almost certainly leaving money on the table. Industry specialization isn't a luxury; it's a requirement for effective tax planning.

Sign #5: They Can't Explain Your Effective Tax Rate

Ask your CPA this question: "What was my effective tax rate last year, and how does it compare to what it could be?"

If they can't answer quickly and clearly, that's a problem. Your effective tax rate — total taxes paid divided by total income — is the single most important metric for evaluating whether your tax strategy is working. It's also the baseline for measuring improvement.

35-45%
Typical Rate Without Planning
20-30%
Achievable With Strategy
$20K-$100K+
Annual Savings Gap

Business owners earning $300K+ with no strategic tax planning often pay effective rates of 35-45%. With proactive strategy — entity optimization, retirement plans, depreciation acceleration, and credit capture — that rate can drop to 20-30%. The difference, on $500K of income, is $50,000–$75,000 per year.

Sign #6: They Don't Coordinate With Your Financial Advisor

Your tax strategy and your investment strategy are deeply connected. Retirement plan selection, Roth conversions, capital gains harvesting, charitable giving — all of these decisions have both investment and tax implications. If your CPA and your financial advisor have never spoken, you're operating in silos that cost you money.

A proactive tax advisor coordinates with your wealth manager, estate attorney, and business advisors to ensure every financial decision is optimized across all dimensions — not just one.

Sign #7: They Charge Only for Returns, Not Planning

This is subtle but revealing. If your CPA's entire fee is based on the number of returns filed and forms prepared, their business model is built around compliance volume, not advisory value. There's no incentive — and often no time — for them to pick up the phone in October and say, "Here's what we should do before year-end."

Tax strategy is a separate service from tax preparation. It requires different skills, different timing, and different compensation. If you're only paying for returns, you're only getting returns.

Compliance CPA Proactive Tax Advisor
Contacts you in February–April Contacts you quarterly, with urgency in Q3/Q4
Files based on what happened Plans based on what's coming
Same entity structure for years Reviews entity annually based on income changes
Generic knowledge of tax code Deep expertise in your industry
Can tell you what you paid Can tell you what you should pay
Works in isolation Coordinates with financial advisor and legal counsel
Charges per return Charges for planning + implementation

What Proactive Tax Advisory Looks Like

If you recognize several of these signs, the solution isn't necessarily to fire your CPA. Most CPAs do the compliance work well, and there's real value in that. The solution is to add proactive tax strategy to your team — either by finding a CPA who also does planning, or by adding a tax strategist who works alongside your existing accountant.

Here's what a proactive engagement looks like:

Q1: Review prior-year results, identify missed opportunities, set targets for current year.
Q2: Mid-year check-in on income projections, entity structure review, retirement plan analysis.
Q3: Year-end planning begins — income timing, expense acceleration, estimated payment adjustments.
Q4: Execute strategies before December 31 — equipment purchases, retirement contributions, entity elections.

This cadence ensures no opportunity is missed and every decision is made with full visibility into the tax consequences. It's the difference between reactive compliance and proactive strategy — and it's typically worth 5-10x its cost in tax savings.

Not sure if your current tax setup is leaving money on the table? Crane Financial offers a complimentary tax strategy assessment that identifies the gaps between what you're paying and what you could be paying.

Get your free tax strategy assessment →

The Bottom Line

A CPA who files your returns accurately and on time is doing their job. But if that's all they're doing, you're almost certainly overpaying the IRS. The signs your CPA is costing you money aren't about bad accounting — they're about the absence of forward-looking strategy.

The business owners who pay the least in taxes aren't the ones with the cleverest accountants. They're the ones with advisors who plan all year, know their industry, and proactively implement strategies before deadlines pass. If that doesn't describe your current setup, it's time to close the gap.