Best payroll software for nonprofits under $100/month in 2026

Running payroll for a small nonprofit is a budget exercise first and a software exercise second. Every dollar of admin overhead is a dollar that did not go to your mission, so the real question is rarely "what is the best payroll software" in the abstract -- it is "what is the cheapest tool that still files my payroll taxes correctly and keeps me out of trouble." For many small 501(c)(3) organizations, that ceiling lands right around $100 a month.

This is a research-based ranking of two providers a small nonprofit can realistically build a payroll process around: QuickBooks Payroll Core and RUN Powered by ADP - Essential Payroll. We have not run payroll on these products ourselves; everything below is drawn from published vendor pricing, plan feature lists, and aggregated user reviews, framed as research rather than first-hand testing. Figures are as of 2026 and subject to change; always confirm current terms on the provider's site, and note that QuickBooks has announced pricing changes taking effect partway through the year.

How PayrollGrade makes money -- and why it does not move this ranking. PayrollGrade earns a commission via Commission Junction (CJ) when readers sign up for some products through our links, at no extra cost to you. Commissions never affect our A-F grades or the order of these picks; placement is not for sale. This article is general information, not legal or tax advice -- confirm your nonprofit's specific obligations with a qualified professional.

First: tax-exempt does not mean payroll-tax-exempt

A common and expensive misconception is that a tax-exempt organization does not deal with payroll taxes. Your 501(c)(3) status generally exempts the organization from federal income tax on mission-related revenue -- it does not exempt your employees' wages from withholding. If you have W-2 employees, you still withhold federal income tax, handle Social Security and Medicare (FICA), file Form 941 each quarter, and issue W-2s at year end. Unemployment-tax treatment can differ for some nonprofits and state rules vary, so confirm the specifics with a professional rather than assume.

The practical upshot: a nonprofit needs the same core payroll engine a small business needs. The differences that matter for your shortlist are price, how much of the tax filing the software handles for you, and whether the vendor offers nonprofit-specific pricing (some do -- check current terms).

How we graded these for a budget-conscious nonprofit

Our A-F grade weighs five things from the PayrollGrade rubric, tilted toward what a small nonprofit cares about most: cost transparency and a total under $100/mo (weighted heaviest here), automated payroll tax filing, ease of setup for a non-specialist treasurer, support when something goes wrong mid-cycle, and room to grow as you add staff. These grades are editorial assessments based on published information and user feedback -- not scores from a hands-on lab test.

The under-$100 math, up front

Nearly every small-business payroll product in this niche uses the same pricing model: a flat monthly base fee plus a per-employee fee. That single formula is what decides whether you clear the $100 ceiling. Here is how the two picks compare on the dimensions a nonprofit actually budgets around.

*QuickBooks figures are reported pricing as of 2026 and exclude the required QuickBooks Online accounting subscription; confirm current terms on Intuit's site.

Check current options: QuickBooks Payroll Core - RUN Powered by ADP - Essential Payroll

The headline takeaway: only one of these two can actually be confirmed under $100 a month before you commit -- QuickBooks Payroll Core. ADP RUN is a strong full-service option, but because it is quote-only we cannot promise it lands under your ceiling, and we will be honest about that below rather than invent a number to make it fit.

1. QuickBooks Payroll Core -- the confirmable budget pick (Grade: A-)

For a small nonprofit whose top constraint is a published, predictable price, QuickBooks Payroll Core is the easiest pick to reason about. Based on reported 2026 pricing, Core runs roughly $50 per month base plus about $6.50 per employee per month -- and because that math is public, you can run it yourself before you ever talk to a salesperson.

Worked example (illustrative, using reported 2026 rates):

• 5 employees: ~$50 + (5 x ~$6.50) = ~$82.50/mo -- comfortably under
• 7 employees: ~$50 + (7 x ~$6.50) = ~$95.50/mo -- still under
• 8 employees: ~$50 + (8 x ~$6.50) = ~$102/mo -- just over the ceiling

So Core keeps a nonprofit under $100/month up to roughly seven W-2 employees on the payroll line alone -- a genuinely useful planning number, with one important caveat below.

What you get at the Core tier (per published feature lists): full-service payroll with automated federal and state tax filing, next-day direct deposit, automatic W-2 generation, and contractor (1099) handling -- enough for a nonprofit with a handful of staff and the occasional contractor.

The honest caveat that can break the ceiling. QuickBooks Payroll is designed to run alongside a QuickBooks Online accounting subscription, which is a separate cost. If your nonprofit already uses QuickBooks Online, that integration is a real advantage -- payroll posts straight to your ledger with no double entry. If you do not, the added subscription can push your true monthly total over $100 even at a low headcount. Price the bundle, not just the payroll line, and confirm current terms on Intuit's site -- especially since QuickBooks has announced 2026 pricing changes.

Best for: nonprofits that want a price they can confirm in advance, especially those already using QuickBooks Online for their books.

2. RUN Powered by ADP - Essential Payroll -- the full-service alternative (Grade: B+)

If your nonprofit would rather hand more of the payroll-tax burden to a large, established provider with around-the-clock support, RUN Powered by ADP - Essential Payroll belongs on your shortlist. ADP is one of the most recognized names in payroll, and RUN is its small-business product line for organizations roughly in the 1-49 employee range.

What you get (per published materials): full-service payroll with automated tax filing and deposits, new-hire reporting, and 24/7 support. For a volunteer-heavy board or a treasurer who does payroll on the side, that human support line can be worth real money the first time a filing question comes up mid-cycle.

The pricing reality. ADP RUN is quote-only -- it does not publish a flat base-plus-per-employee rate, and it has historically priced on a per-pay-run basis, which can surprise buyers who run payroll weekly. That makes it impossible for us to promise it lands under $100/month for your situation; to get a real number you request a quote and a demo, and any figure floating around online should be treated as unverified until ADP gives you one in writing. Whether ADP offers nonprofit pricing for your organization is a question to raise during that conversation rather than assume.

Why B+ and not higher: ADP RUN grades very well on reliability, full-service tax filing, and 24/7 support, but for a budget-first, under-$100 list the quote-only opacity and per-run pricing quirk are real friction -- you cannot confirm the cost upfront, which is the premise of this article.

Best for: nonprofits that prioritize full-service support and brand reliability over the lowest-possible price, and are willing to go through a quote to find out where they land.

A note on competitors

You will also run into Gusto and Paychex, sometimes pitched as nonprofit-friendly with discounts -- worth a look if neither pick above fits. We mention them only as factual context: PayrollGrade places affiliate links solely on the products we monetize (QuickBooks Payroll and ADP), so verify any competitor discount or rate directly with the vendor, as several have announced 2026 price changes.

The verdict

For most small nonprofits whose hard constraint is the $100 ceiling, the practical answer is QuickBooks Payroll Core -- the only one of the two with a published price you can confirm under $100/mo before committing (up to roughly seven employees on the payroll line), and a clear win if you already keep your books in QuickBooks Online. Reach for ADP RUN Essential instead if you value 24/7 full-service support over the lowest confirmable price and are willing to request a quote to see where you land.

Frequently Asked Questions

Can a nonprofit really run payroll for under $100 a month?

Yes, within limits. Based on reported 2026 pricing, QuickBooks Payroll Core (roughly $50/month base plus about $6.50 per employee) keeps the payroll line under $100/month up to around seven W-2 employees. The important caveat is that QuickBooks Payroll expects a separate QuickBooks Online accounting subscription, which can push your true total higher if you do not already have it. These are reported figures as of 2026 -- confirm current terms on the provider's site.

Do nonprofits have to pay payroll taxes at all?

Generally, yes, on employee wages. Federal income-tax exemption for a 501(c)(3) applies to the organization's mission-related income, not to its employees' paychecks. With W-2 employees you still withhold income tax, handle Social Security and Medicare (FICA), file Form 941, and issue W-2s; unemployment-tax treatment can differ and state rules vary. This is general information, not legal or tax advice -- confirm your obligations with a qualified professional.

Does QuickBooks or ADP offer nonprofit discounts?

Some payroll vendors offer nonprofit-specific pricing, but whether a given discount applies changes over time and by provider. Rather than rely on a figure you read online, ask each vendor directly -- for ADP RUN during the quote conversation, and for QuickBooks on Intuit's site or with support before you subscribe.

Why can you not just tell me ADP RUN's monthly price?

Because ADP does not publish flat base-plus-per-employee pricing for RUN the way QuickBooks does -- it is quote-only and has historically charged per pay run. Any specific dollar figure is unverified until ADP gives you a written quote for your headcount and pay frequency, and we would rather be honest about that than invent a number to make it appear to fit under $100.

What happens to my payroll software if my nonprofit grows?

Both products scale beyond the smallest teams: QuickBooks Payroll adds Premium and Elite tiers (same-day deposit, deeper HR support, tax penalty protection) and ADP RUN adds Complete and HR Pro packages. As headcount rises the per-employee fee becomes the dominant cost driver, so re-run the math at your new size -- the cheapest option for three employees is not always cheapest at twenty. Confirm current tier pricing on each provider's site.