Human Interest
Payroll Verified May 2026
Affordable 401(k) administration that integrates with your existing payroll
- Transparent per-employee pricing — predictable costs with no hidden setup surprises
- Form 5500 filing and fiduciary services included on Complete and above — major admin lifted
- Integrates with 500+ payroll providers — works with your existing payroll workflow
- DOL audit expense coverage up to $50K on Concierge — significant risk mitigation for employers
How Human Interest scored 57/100
6 weighted criteria, each scored out of 10 and published with its reasoning. Featured placements never move a score.
Deal Strength
3.0 /10The referral waives Human Interest's usual setup fee, which is a genuine perk but reaches you only through a partner link, with no public discount or coupon. Your ongoing plan costs what everyone else pays.
Value for Money
8.0 /10For a 50-employee firm the all-in annual cost runs about half a traditional payroll-bundled 401(k). It is one of the few options under $200/month base that includes full 3(16) administration, where Fidelity sits nearer $300/month.
Capability
8.0 /10Payroll integrations with 30+ providers, plan-document creation, employee self-enrollment, automatic contribution syncing and compliance work (ERISA, Form 5500, non-discrimination testing) are covered, plus a 3(16) fiduciary tier, Roth and traditional contributions, loans and hardship withdrawals.
Time to Value
5.0 /10Getting live means connecting payroll, waiting for Human Interest to build your plan documents, then having employees self-enroll. That is a multi-step onboarding, so expect days before the plan is running rather than same-day.
Trust & Reliability
5.0 /10Human Interest says it serves 40,000+ businesses covering 1,000,000+ employees and backs its service with a customer-service guarantee. It publishes no uptime SLA and no independent review consensus, so weigh those claims accordingly.
Flexibility & Exit
5.0 /10Pricing assumes annual billing, so you are committing for a plan year. Cancellation terms and export detail are not published, and retirement plans are painful to move, so ask how records transfer before you sign.
About Human Interest
Quick answer
Affordable 401(k) administration that integrates with your existing payroll
Human Interest, in 30 seconds
Human Interest is a 401(k) provider that automates the painful bits of running a US retirement plan: payroll integration, plan documents, eligibility tracking, employee onboarding, IRS Form 5500 filing and annual non-discrimination testing. We picked it because for a 50-person company without an existing plan, the alternative is normally a Fidelity/Vanguard small-business product that is roughly twice the price, plus paperwork. Human Interest is one of the few options under $200/month base that still acts as the 3(16) administrator and handles the federal and state mandates that increasingly require small employers to offer a plan.
How it works
You connect your payroll provider (Gusto, Rippling, ADP, Paychex, Justworks, QuickBooks Payroll and 30+ others), Human Interest builds your plan documents, and employees self-enrol via a simple web flow that maps to a model portfolio (Vanguard target-date funds by default). Each pay run, contributions sync automatically — no spreadsheets, no manual journal entries. They handle compliance: ERISA bonding guidance, annual 5500 filing, ADP/ACP testing, and required participant disclosures. The 3(16) fiduciary tier means Human Interest signs the plan document as administrator, which transfers the highest-risk paperwork off the employer.
Employees get a clean dashboard with contribution sliders, projected balance, retirement-readiness score and access to model portfolios or self-direct from a curated low-fee fund menu. Roth and traditional contributions are supported. Loans and hardship withdrawals are available where the plan allows them.
Pricing reality
Three plans on annual billing. Essential at $120/month + $4/employee/month covers payroll integration, model portfolios, 3(16) admin, 5500 filing and testing — fine for most under-50-staff plans. Complete at $160/month + $7/employee/month adds custom investment menu, vesting schedules, profit-sharing and Safe Harbor matching support. Concierge is custom pricing for plans over 100 staff or with high-touch needs. On top of the per-month fees, there is a 0.50 per cent AUM advisory fee charged to participant balances, plus the underlying fund expense ratios (typically 0.03-0.10% on Vanguard target-date funds). For a 50-employee firm with $1M in plan assets, total annual cost lands around $11,000 — about half what a traditional payroll-bundled 401(k) costs at that size.
Human Interest vs alternatives
| Provider | Pricing | Best for |
|---|---|---|
| Human Interest | $120-160/month + $4-7/EE | SMBs without an existing 401(k), payroll-integrated |
| Guideline | $89-159/month + $8/EE | SMBs on Gusto/Rippling wanting low base fee |
| ForUsAll | $185/month + $8/EE | Plans wanting crypto window and ESG menus |
| Fidelity Advantage 401(k) | From $300/month | Companies wanting Fidelity brand and managed funds |
| Employee Fiduciary | $1,500/year + $30/EE/year | Cost-conscious plans that will self-administer |
Decision matrix
- Buy if: you have 10 to 250 US employees, no current 401(k), and a payroll provider on the integration list. Especially relevant if you are subject to a state retirement mandate (CalSavers, OregonSaves, RetirePath VA, etc.).
- Wait if: you are still under five employees — the per-month base is hard to justify until you have at least 10 contributors.
- Skip if: you already have a Fidelity/Vanguard plan with sub-0.5% AUM and no compliance pain, or your team wants individually selected actively-managed funds.
What's included
- Automates compliance testing and regulatory filings
- Real-time payroll integration cuts reconciliation time
- Participant portal reduces HR support tickets
- Clear fee structure tied to plan size, not seats
- SaaSTweaks-verified affiliate deal
- Vendor-direct activation flow
- Editorial pros + cons review
- Tracked savings claim with refresh date
Human Interest pricing
Verified May 2026. Vendor's published rates at the time we checked — always confirm at checkout.
| Plan | Price | Term | What you get |
|---|---|---|---|
| Essentials | $80/mo + $5/eligible employee | monthly | 500+ payroll integrations, flexible plan design, fiduciary investment services, 3% cashback on first $250 with kickstart |
| Complete | $180/mo + $7/eligible employee | monthly | All Essentials plus IRS Form 5500 filing, 3(16) administrative fiduciary, ERISA bond procurement |
| Concierge | $280/mo + $9/eligible employee | monthly | 360-degree compliance monitoring, audit relief, $16,500+ tax credit filing, $50K DOL audit coverage, dedicated account manager |
Getting started
4 steps. The last one is the part most people skip.
- 1
Open Human Interest through the link on this page
It carries our referral tag. The price you pay is identical either way, and it never changes the score on this page.
- 2
Compare the tiers against what you actually use
The pricing table on this page lists what each plan includes. Match it to real usage rather than the tier the vendor highlights.
- 3
Start on the smallest plan that fits
Most vendors let you move up mid-cycle and bill the difference, so starting low costs you nothing but starting high does.
- 4
Check the renewal terms before you commit
Note the renewal date and the rate it reverts to, so the second invoice is not a surprise. Annual plans are usually cheaper per month but harder to exit.
Where Human Interest wins and loses
What works
- Transparent per-employee pricing — predictable costs with no hidden setup surprises
- Form 5500 filing and fiduciary services included on Complete and above — major admin lifted
- Integrates with 500+ payroll providers — works with your existing payroll workflow
- DOL audit expense coverage up to $50K on Concierge — significant risk mitigation for employers
What doesn't
- Per-employee fees compound as headcount grows — plan costs accordingly for hiring-stage companies
- One-time setup fee ($499) applies to some plans — factor into initial cost calculation
- Investment fund selection is curated by Human Interest — less control than self-directed options
- Plan design flexibility is good but complex plan structures may require Concierge tier
The bottom line
A capable, cost-effective 401(k) administrator for SMBs, though the verified deal offers only a setup fee waiver via referral rather than a direct discount.
30 to 45 days for a clean implementation with one payroll provider. Migrations from a legacy plan add 30 to 60 days for blackout and asset transfer.
Yes, on all paid tiers. They prepare and file the 5500 each year and complete ADP/ACP non-discrimination testing for you.
It is the role responsible for plan administration. By taking the 3(16), Human Interest signs the plan documents and is liable for administrative compliance, which materially reduces the employers risk.
Gusto, Rippling, ADP RUN, Paychex Flex, Justworks, QuickBooks Payroll, Paylocity, BambooHR Payroll, OnPay, Patriot, Square Payroll and around 25 more. Manual upload is available if your provider is not on the list.
Yes. Rollovers from prior employer plans and rollover IRAs are supported with a self-serve flow and a phone option.
Roughly $7,200 in per-month base plus $5,000 in AUM fees on $1M in assets, so about $12,000/year all-in. About half of comparable Fidelity/Vanguard small-business pricing.
