Most payroll comparison content ranks products. That is the wrong order of operations. Work out what you are actually buying first, and the shortlist writes itself in about twenty minutes.
Start with your shape, not the shortlist
Payroll platforms are not differentiated by whether they can pay people. They all can. They are differentiated by which situations they handle gracefully and which ones force you into an upgrade, an add-on, or a workaround.
So before reading a single comparison, write down six facts about your business. These six determine the answer more than any feature matrix:
- Headcount now, and in 24 months. Under 25, 25–100, and 100+ are genuinely different markets with different winners.
- How many states. One state is the cheap case. Two or more triggers upgrade tiers on several platforms and is the most common source of surprise cost.
- Any workers outside your country. This changes the product category entirely, not just the vendor.
- Employee / contractor mix. Contractor-heavy businesses have cheaper options and different compliance exposure.
- Salaried or hourly. Hourly teams need time tracking, and whether it is native or integrated changes the total cost.
- Whether you have an HR function. If nobody owns HR, support quality matters more than feature depth.
What actually differentiates providers
1. Where the tier boundaries fall
This is the most consequential and least discussed difference. Tiered providers put their upgrade boundaries at predictable growth events: your second state, next-day funding, custom reporting, performance reviews. Flat-rate providers put everything core in one price.
Neither model is inherently better. Tiering lets small single-state teams pay less; flat rates protect distributed teams from cliffs. What matters is whether the boundaries fall where your business is heading. A twelve-person single-state team that hires one remote employee can see its bill nearly double on a tiered plan — not because of the extra person, but because of the tier change that person triggers.
2. Whether pricing is published
Some providers publish a complete rate card. Some publish an entry price that describes a platform layer nobody buys alone. Some publish nothing.
Opaque pricing is not automatically a red flag — modular platforms genuinely are hard to price generically — but it transfers work and risk onto you. If a provider will not give you a total for your exact configuration in writing, you cannot compare it to anything, and you should treat the shortlist as incomplete until you have that number.
3. Support model
Payroll support is not like software support, because payroll problems have statutory deadlines. The relevant question is not whether support exists but whether competent support is included at the tier you will actually buy. Several providers reserve their best support for the top plan, which means it is unavailable precisely to the small employers who need it most.
4. What is included at year end
W-2 and 1099 preparation, delivery, garnishment processing, and amended filings are included by some providers and billed separately by others, particularly legacy ones. For a 30-person company these line items can add several hundred dollars a year that never appeared in the comparison you based your decision on.
5. Migration support
Switching providers means carrying accurate year-to-date wage and tax data across. Some providers do this for you with staff who verify the numbers. Others hand you an import template. The difference is a few hours versus a few days, and a materially different error rate at your first W-2 season on the new system.
Reading pricing honestly
Almost every payroll platform prices as a monthly base fee plus a per-person fee. That structure is easy to read and easy to misread, because the per-person component compounds while the base fee does not.
Model three scenarios, not one
Take any provider and calculate the monthly cost at your current headcount, at 1.5× that headcount, and at your realistic 24-month number. Then repeat with one extra variable that reflects your likely change — a second state, a first hourly employee, a first international contractor. The provider that wins at scenario one frequently loses at scenario three.
| Cost line | Usually included | Often extra |
|---|---|---|
| Unlimited pay runs | Most modern providers | Some legacy providers charge per run |
| Federal, state, local filing | Yes on full-service plans | Self-service tiers exclude it |
| Multi-state payroll | Flat-rate providers | Tiered providers gate it |
| State tax registration | Rarely | Usually a per-state service fee |
| W-2 / 1099 year-end | Modern providers | Legacy providers bill per form |
| Time tracking | Mid tiers and up | Add-on or third-party integration |
| Benefits broking | Where the provider is the broker | Fee to keep your own broker |
| Priority support | Top tiers only | Very commonly gated |
| Implementation | Self-serve providers | Platform providers, scales with complexity |
One more note on published numbers: they move. Several major providers raised base fees during 2025 and 2026, in some cases twice inside twelve months. Comparison articles quoting older figures are common and confidently wrong. Verify against the vendor's own pricing page on the day you decide.
Compliance: what software will not do for you
Full-service payroll providers calculate, withhold, pay, and file your payroll taxes. Several offer an accuracy guarantee covering penalties from their own errors. That is genuinely valuable and it is not the same as transferring responsibility.
These remain yours regardless of vendor:
- Registration. You must register with each state's tax authorities where you have employees. Providers may sell this as a service; the obligation is still yours.
- Classification. Deciding whether someone is an employee or a contractor is a legal determination. Getting it wrong is the most expensive common payroll mistake, and no software makes it for you.
- Accurate work location. Withholding follows where the work happens, not where your office is. A remote employee entered under the company address will be withheld incorrectly and confidently.
- Data accuracy. Wrong hours, wrong rates, or a missed termination date produce a wrong filing. Guarantees cover vendor error, not yours.
- Record retention. Payroll records must be retained for statutory periods. If you leave a provider, export everything before your access ends.
The evaluation questions that work
Demos are designed to impress. These questions are designed to find the edges. Ask them in writing.
- What is my total monthly cost at my current headcount, and at 1.5× it, with the exact modules I need?
- Which specific events force me onto a higher tier or an add-on?
- Is multi-state payroll included, and what does state registration cost per state?
- Are W-2s, 1099s, amendments, and garnishment processing included or billed separately?
- What support do I get at my tier — channels, hours, and who answers?
- How do you handle it if you file incorrectly? Is the guarantee in the contract or on a marketing page?
- Who enters my year-to-date data during migration, and how is it verified?
- What is the implementation fee, and what is the realistic time to first pay run?
- If I leave, what data can I export, in what format, and for how long after cancellation?
- How are mid-term headcount increases priced?
The last one catches more people than it should. On annual contracts, growing past the headcount you signed for can be repriced at a rate you never negotiated.
Implementation and the first 60 days
Choosing the provider is roughly half the work. The other half is the migration, and it is where most of the avoidable pain lives.
Time your switch
The cleanest migration date is 1 January, because year-to-date figures start at zero and nothing has to be carried across. The next cleanest is the start of any quarter. Mid-quarter switches are possible and they require accurate year-to-date wage, tax, and deduction data to transfer correctly — errors there do not surface immediately, they surface at W-2 time, when they are expensive and visible to your employees.
What you need before you start
- Employer identification numbers and state account numbers for every jurisdiction where you employ people
- Year-to-date wages, taxes withheld, and deductions per employee
- Current benefit elections and deduction amounts
- Bank details and signatory authority for the funding account
- Existing PTO balances, if the new system will track them
- Any active garnishment or child support orders, with the issuing agency details
Run parallel once
For the first pay period on a new system, calculate the run both ways — the new platform and whatever you were doing before — and reconcile them line by line before funding. It costs an hour and it catches the misconfigured deduction, the wrong work state, and the missed benefit election before they become a correction.
Verify the first filing, not just the first run
A pay run that looks right can still produce a filing that is wrong, and the filing happens weeks later. Confirm that the first quarterly filing was actually accepted by each agency rather than assuming silence means success. If your provider offers an accuracy guarantee, this is when you find out whether the process behind it works.
Common and expensive mistakes
Buying on the base fee
The base fee is the smallest part of the bill for everyone except very small teams. Per-person cost compounds, tier changes step it up, and add-ons stack. Model the total.
Ignoring the second-state cliff
One remote hire in a new state can nearly double a tiered bill. If distributed hiring is anywhere in your plan, price the post-cliff number now.
Underweighting support
Support feels abstract until a filing is rejected three days before a deadline. If competent support sits on a tier above the one you are buying, you have not bought it.
Switching mid-year
Migrations are cleanest at the start of a quarter, ideally 1 January. Mid-year switches require carrying accurate year-to-date figures, and errors there surface at W-2 time when they are painful and public.
Overbuying the platform
Unified HR-payroll-IT platforms are excellent for companies that need unified HR, payroll, and IT. If your onboarding is a payroll entry and a welcome email, that architecture is cost without benefit.
Underbuying for where you are going
The opposite error. If you will be at 80 people and four states in two years, choosing purely for today's twelve-person single-state reality buys you a migration project at exactly the moment you are busiest.
Frequently asked questions
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