Pento vs IRIS Staffology Payroll
Verified ratings, real UK pricing and the compliance detail, weighed side by side — with a written verdict at the end.
Pento
Payroll Software
- United Kingdom
- Live Chat
- Knowledge Base
IRIS Staffology Payroll
Payroll Software
- United Kingdom
- Phone
- Knowledge Base
- Forum
Evenly matched on verified reviews — 4.1 against 4.1. Price and fit will decide this one, not the score.
The short version
What each one costs and how each one rates, side by side. Only the rows where leading means something are marked; vendor and availability are in the overview above.
| Detail | Pento | IRIS Staffology Payroll |
|---|---|---|
| What it costs | ||
| Starting priceLowest paid tier, excluding VAT | On request | £43/mo |
| Free version | NoNo | NoNo |
| Free trial | YesYes | YesYes |
| How it rates | ||
| Overall ratingMean of verified Assaylist reviews | 4.1 | 4.1 |
| Verified reviewsVolume is evidence, not a score — this row is not a contest | 286 reviews | 223 reviews |
How reviewers score them
Across the four dimensions we ask every reviewer about — and, below, the star split each average is built from.
- Pento
- IRIS Staffology Payroll
| Dimension | Pento | IRIS Staffology Payroll | Gap |
|---|---|---|---|
| Ease of use | 4.0 | 3.9 | 0.1 to Pento |
| Value for money | 4.1 | 4.0 | 0.1 to Pento |
| Customer support | 4.0 | 4.0 | Level |
| Functionality | 4.0 | 4.0 | Level |
What each average is made of
Two products can share an average and not share a reputation. These bars show the star split behind each score.
| Product | 5 star | 4 star | 3 star | 2 star | 1 star |
|---|---|---|---|---|---|
| Pento | 44% (126 reviews) | 34% (96 reviews) | 14% (40 reviews) | 7% (19 reviews) | 2% (5 reviews) |
| IRIS Staffology Payroll | 44% (99 reviews) | 32% (71 reviews) | 13% (30 reviews) | 8% (17 reviews) | 3% (6 reviews) |
Feature by feature
Everything either vendor publishes, split into what separates them and what they share.
- Both products
- 213%
- Only Pento
- 744%
- Only IRIS Staffology Payroll
- 744%
16 features listed across both products.
What only one of them does
Pento
7- Accounting integrations
- Automated pay runs
- Automatic enrolment
- Employee self serve
+ 3 more in the table below
IRIS Staffology Payroll
7- Automatic enrolment and assessment
- Automatic legislative updates
- Employee self serve payslips
- Multi payroll support
+ 3 more in the table below
Showing 16 of 16 features
| Detail | Pento | IRIS Staffology Payroll |
|---|---|---|
| Where they differ · 14 | ||
| Accounting integrations | YesYes | NoNo |
| Automated pay runs | YesYes | NoNo |
| Automatic enrolment | YesYes | NoNo |
| Employee self serve | YesYes | NoNo |
| General ledger posting | YesYes | NoNo |
| HR system integrations | YesYes | NoNo |
| Modern interface | YesYes | NoNo |
| Automatic enrolment and assessment | NoNo | YesYes |
| Automatic legislative updates | NoNo | YesYes |
| Employee self serve payslips | NoNo | YesYes |
| Multi payroll support | NoNo | YesYes |
| Open API | NoNo | YesYes |
| Payslip based pricing | NoNo | YesYes |
| Pension provider connections | NoNo | YesYes |
| Where they match · 2 | ||
| RTI submissions to HMRC | YesYes | YesYes |
| Statutory payments | YesYes | YesYes |
A dash means the vendor has not published a feature list — which is not the same as the feature being unavailable.
How they handle UK obligations
Checked against the vendor's own documentation or HMRC's published list. A dash means we have not verified it — never that it is missing.
| Detail | Pento | IRIS Staffology Payroll |
|---|---|---|
| Verified against vendor documentation | ||
| RTI-compliant payroll | YesYes | YesYes |
| Pension auto-enrolment | YesYes | YesYes |
| UK-based support | UK support team | UK support team |
What each tier costs
Both line-ups on one ladder, so the middle tier on one side sits next to the middle tier on the other.
Pento
IRIS Staffology Payroll
Pento
Contact vendor
- Quoted per headcount
- Automated pay runs
- Accounting and HR integrations
From 1 to 19 payslips
£43/mo
- Up to 19 payslips a month
- RTI submissions
- Automatic enrolment
No comparable tier listed
20 to 50 payslips
Contact vendor
- Additional payslips around £2.15 each
- Quoted on volume
- Everything in the base tier
Rungs are matched by position in each vendor’s own line-up, not by what the tiers include — an entry plan on one side may cover more than the other. Prices exclude VAT unless stated, and per-seat plans are quoted per seat. Always confirm on the vendor’s own site.
Which should you choose?
Two answers, because there are two right ones depending on what you need.
Choose Pento if
- It lists 7 features IRIS Staffology Payroll does not, including accounting integrations.
Choose IRIS Staffology Payroll if
- It lists 7 features Pento does not, including automatic enrolment and assessment.
On verified Assaylist reviews, Pento currently rates 4.1 against 4.1 for IRIS Staffology Payroll. That gap is not the whole story: Pento starts at a quoted price and IRIS Staffology Payroll at £43/mo, so the right answer depends on the tier you actually need and on which one handles your UK obligations. Read both profiles before you commit, and confirm current pricing on the vendor's own site.
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