Entity tax treatment cost from the ground up

Sole proprietorship: the personal-return case

A sole-proprietor return usually has the least separate filing work among these cases: business income goes on the owner's personal return, with Schedule C preparation commonly priced at $200 to $800. Basic bookkeeping ranges from $0 to $300 monthly, assuming the records arrive usable and do not need extensive sorting.

Several income streams, poor records, or operations in multiple states can raise the preparation cost. A quoted return fee may not cover the time needed to reconcile the books first. Compare the work behind the price with your entity tax treatment, rather than comparing the business labels alone.

Partnership: price the partner-level work

Partnership treatment involves a separate Form 1065 and a share statement for each partner, putting common preparation at $1,000 to $3,000. State annual reports often add $50 to $500. More partners, complex allocations, and capital account tracking can widen the workload even when revenue alone looks straightforward.

Ask whether a quote includes the number of partners, state reports and allocation work, then compare entity service quotes. The Form 1065 instructions explain filing requirements, but they do not set a preparer's fee or the scope of bookkeeping needed to prepare the return.

LLC: separate classification from state costs

An LLC has no single preparation price because its tax classification affects the return, while registration and ongoing state charges are separate expenses. Return preparation commonly costs $800 to $2,500. Check the applicable filing requirements, since the LLC name by itself does not establish which return will be prepared.

State upkeep varies. The listed amounts include an $800 California minimum franchise tax, $300 in Delaware, $138.75 for Florida annual reports, a $60 Wyoming minimum annual report fee, and $500 in Massachusetts. Check relevant state tax examples to identify which charges apply to the business.

Formation fees are distinct from yearly upkeep: $110 in Delaware, $100 online in Wyoming, $125 in Florida, $300 in Texas, $70 in California, and $200 in New York. New York publication can add $500 to $2,000, while forming an LLC in Massachusetts costs $500. Keep these one-time amounts out of an ordinary-year estimate.

An operating agreement may cost $500 to $2,000 with legal help, while templates cost $0 to $100. Registered agents typically charge $100 to $300 yearly; the listed examples are Northwest Registered Agent at $125 and Registered Agents Inc at $199. Include setup and maintenance alongside preparation when working out the full cost.

S corporation: account for payroll as well

An S corporation election brings a separate return, owner payroll, payroll filings and share statements. Form 1120-S preparation commonly costs $1,200 to $3,500 before payroll expenses. Payroll adds about $40 to $130 monthly plus $5 to $12 per employee, and compensation analysis may cost $300 to $1,500.

Payroll is recurring work involving processing, deposits and filings, not just a year-end return. Listed service prices include Gusto at $40 monthly plus $6 per employee, QuickBooks Payroll and OnPay at about $50 and $40 monthly respectively plus $6 per employee, and Square Payroll at about $35 monthly plus $5 per employee. ADP and Paychex quote by business.

Compensation analysis can support the owner's pay position but adds another charge. Scheduled wages and withholding replace ad hoc owner pay in this arrangement. Price the proposed setup through a payroll service comparison, and review the Form 1120-S instructions. Form 2553 has no IRS filing fee.

C corporation: the return is one part of the total

C corporation return preparation has the broadest range shown here, commonly $2,000 to $10,000 for Form 1120. State franchise taxes may add $800 to $10,000 or more; Delaware corporate franchise tax starts at $175 and can exceed $200,000. The amounts depend on the states where the business has obligations.

Distributions, benefit plans, complex books and formal records can create work beyond the return itself. Confirm the filings and taxes that apply in each operating state, then include the accounting needed to maintain those records. A federal return review can help identify items to check before signing.

First-year and closing costs belong in separate columns

Formation, ordinary annual operation and leaving a structure are different cost periods. Formation is usually a one-time expense; preparation, payroll, state filings and registered-agent charges may recur. A first year can cost more when setup overlaps with a short-period return, so distinguish initial spending from a normal-year estimate.

A stub return may add $500 to $2,000. Ongoing costs can also include state reports, franchise or entity-level taxes, registered-agent service, reconciled books, payroll processing and a separate business return. When moving from a personal return to an entity return, track the supporting records with a business deductions checklist.

State dissolution filings typically cost $50 to $300. Converting an LLC to a corporation often involves $100 to $500 in state fees, plus $1,000 to $10,000 for legal and accounting work. Revoking an S election has no IRS fee, but electing again within five years requires IRS consent. Budget for the change as well as the structure being left.

Mileage reimbursement adds a separate administration cost

When the owner and business are effectively the same taxpayer, business driving is claimed directly. With a separate entity, the usual approach is reimbursement under an arrangement intended to keep the payment from being treated as pay. The miles do not change, but handling reimbursements introduces another administrative task.

The mileage record supports the deduction either way, and a separate entity requires the business and owner to agree on the amount. The IRS standard mileage rate was 70 cents per mile for 2025. Compare the vehicle expense methods when estimating the vehicle cost alongside entity-related paperwork.

MileIQ has listed plans at $5.99 monthly or $59.99 yearly, while Everlance has listed plans around $8 monthly. Reimbursement outside an accountable plan can become taxable wages and add payroll taxes. Include any tracking charge and that potential payroll expense in the cost estimate, not just the return preparation fee.

Estimate the recurring bill before choosing

A useful estimate separates return preparation from the recurring tasks that support it.

The ranges here include $200 to $3,500 for preparation, $0 to $1,000 monthly for bookkeeping, $0 to $800 for state fees, and $40 to $130 monthly plus $5 to $12 per employee for payroll. Treat each amount as a line item rather than one combined quote.

Ask for prices based on the proposed setup, including returns, state filings and payroll work. Keep formation expenses and any stub return separate from the ordinary annual total. A professional can calculate the tax effect using your figures, while entity scenarios can help frame questions without replacing that estimate.

Subtract proposed recurring overhead from expected tax savings, and include the cost of reversing the change. An estimate that leaves out compliance work can mislead, especially if it assumes a profit level reached only once or omits state charges. A late-year change may also mean paying for two partial-year positions.

An S corporation election shows why the preparation fee is only one part of the total. Payroll setup, compensation analysis and a Form 1120-S return often add $2,000 to $6,000 each year. Compare likely savings with those recurring expenses, while keeping the cost of recordkeeping and the applicable state work in view.

Federal instructions do not set a preparer's price, and state charges depend on where the business operates or employs people. Confirm year-specific requirements and request separate quotes for each return, state filing and payroll setup. Keep first-year and normal-year totals distinct, and include the recordkeeping needed to support the work being priced.