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KashFlow Payroll vs SiriusPayroll365: UK Reviews & Prices Compared


Last Updated: 20 May 2025
Reviewed By: Ian Wright (Managing Director)

Which payroll software is better KashFlow Payroll or SiriusPayroll365?

We compare them based on real user reviews, prices and what features they both offer.

KashFlow Payroll homepageSiriusPayroll365 homepage

KashFlow Payroll vs SiriusPayroll365 Basics


KashFlow Payroll
SiriusPayroll365
Software WebsiteKashFlow Payroll WebsiteSiriusPayroll365 Website
Company NameIRIS SoftwareSirius App
Target Company Size (Small, Medium and/or Enterprise)SmallMedium
Industry FocusNoneNone

KashFlow Payroll vs SiriusPayroll365 Reviews

Wondering if KashFlow Payroll or SiriusPayroll365 has better user reviews. We compared them below.

KashFlow PayrollSiriusPayroll365
Listed On HMRC WebsiteYesYes
Trustpilot Rating3.6No Rating
Number of Trustpilot Reviews1532No Reviews
iPhone App Rating1.8No iPhone App
Number of iPhone Reviews56No Reviews
Android App Rating2No Android App
Number of Android Reviews62No Reviews
Please note ratings we’re accurate at the time of writing but may have since changed

KashFlow Payroll vs SiriusPayroll365 Prices

Which is cheaper KashFlow Payroll or SiriusPayroll365? Here are their prices compared.

KashFlow Payroll pricingSiriusPayroll365 pricing

Free Plans & Trials

KashFlow PayrollSiriusPayroll365
Listed As Having Free Plan By HMRC?NoNo
Free Plan?NoNo
Free Trial?YesNo
Free Trial Length?14 daysNot Applicable
Data taken from each company’s website at the time of writing but may have since changed.

Paid Plan Prices

KashFlow PayrollSiriusPayroll365
Cheapest Plan Cost Per Month£8.12Pricing Not On Website
Mid-Tier Plan Cost Per MonthNANA
Top Plan Cost Per Month£29.00NA
Data taken from each company’s website at the time of writing but may have since changed.

KashFlow Payroll vs SiriusPayroll365 Features

KashFlow Payroll featuresSiriusPayroll365 features

KashFlow Payroll Basic Features

  • £1.35 per additional employee
  • Automatic Enrolment add-on available (£1.20 per employee, min. £16.21 for 5 employees)
  • Unlimited functionality
  • Weekly or monthly payslips
  • Calculates Tax & NI for you
  • Free ESS
  • First company free – £2 per additional company
  • Track staff holiday entitlement and pay Holiday Pay

KashFlow Payroll Software Integrations

  • Salesforce
  • Zoho
  • Satago
  • Paypal
  • Square
  • Stripe
  • Magento
  • TripCatcher

SiriusPayroll365 Basic Features

  • Manage employees’ payroll from one place
  • Send online payslips to employees
  • Create accurate payroll reports
  • Automate complex legislation with HMRC payroll
  • Manage your finances with Dynamics 365 Business Central integration
  • Manage your people with Dynamics 365 HR integration
  • Automate your P11D submissions
  • Multi-Currency, Multi-Company Capability
  • Simplistic UX

SiriusPayroll365 Software Integrations

  • Salesforce
  • Microsoft

Common Feature Comparison

KashFlow PayrollSiriusPayroll365
Unlimited PayrollsNoNo
Automated Tax Filing and PaymentsYesYes
Live Customer SupportNoNo
Ability To Manage Employee BenefitsNoYes
Employee Access To PlatformYesYes
Direct DepositNoNo
Expense ReimbursementYesNo
Time Off TrackingNoYes
Handle Deductions From PayYesYes
Debt Repayment From PayNoYes
Employee Background ChecksNoNo
Has An APINoNo
Create PayslipYesYes
Create P45YesNo
Create P60YesYes
Pay For Salaried EmployeesYesYes
Pay For Hourly EmployeesYesYes
Bonus / Incentive PayNoNo
Pension FilingYesYes
Statutory Payments (E.g. Sick Pay, Maternity Pay, etc.)NoYes
Direct HMRC SubmissionsNoYes
RTI CompliantYesYes

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