IRIS Software Group

What IRIS Software Group does

IRIS Software Group is a UK-based vertical SaaS provider founded in 1976, privately held by Hg Capital, serving more than 100,000 organisations across 135 countries with software and managed services for accountancy practices, HR departments, payroll bureaus, and educational institutions. The company operates a platform-plus-modules architecture spanning core accountancy (IRIS Elements, IRIS Accountancy Suite, IRIS Practice Engine), practice management (IRIS Firm Management), HR (IRIS Cascade, Staffology HR, Every HR), payroll (Staffology Payroll, IRIS Payroll Professional, GP Payroll, Troncmasters), education (IRIS Financials, iSAMS, Every Payroll, IRIS ParentMail), and acquired brands such as KashFlow, Apex HCM, AccountantsWorld, Doc.It, Paycheck Plus, myPay Solutions, and Bridgehead. In December 2025 IRIS launched an AI-powered tax anomaly detection tool built on GPT4.1 and Microsoft Foundry, deployed to 13,000+ UK accounting practices with a claimed 62.5% reduction in tax return preparation time, as the first phase of a multi-million-pound AI-first transformation.

The business model combines recurring subscription licensing (tiered by business size and feature set on annual billing cycles, quote-based and not publicly disclosed), managed services (payroll, bookkeeping, accounting outsourcing, HR consulting, tronc payroll, global payroll), and professional services for implementation, training, and data conversion. Go-to-market is multi-channel: direct enterprise field sales for FTSE 100 and Top 50 accounting firms, inside sales for mid-market, digital self-serve for SMBs, the IRIS HR Marketplace for partner solutions, and integration partnerships such as ZayZoon for earned-wage access in US payroll. Customer concentration is intentionally low and diversified across verticals (Banking: Metro Bank; Professional Services: Deloitte, ACCA; Hospitality: Bet365, The Ritz London; Charity: Age UK, NSPCC; Education; Premium sport: Ascot Racecourse).

Geographically, IRIS combines a mature UK home market with a rapidly scaling North American operation built primarily through acquisitions since 2021 (AccountantsWorld, Doc.It, myPay Solutions, Apex HCM, SwipeClock, Dext), supported by Irish payroll operations via Paycheck Plus and India-based support via IRIS KPO. Headcount is reported at 251-500, though the global customer footprint and acquisition cadence imply a substantially larger combined workforce. Revenue is not publicly disclosed; the company is governed under IRIS Capital Limited (England and Wales) and continues to operate under Hg Capital ownership with no public listing.

Name

IRIS Software Group

Legal name

IRIS Capital Limited

Website

https://iris.co.uk

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

251–500 employees

Short description

IRIS Software Group is a UK-based vertical SaaS provider, owned by Hg Capital, serving over 100,000 accountancy practices, HR teams, payroll bureaus, and educational institutions across 135 countries with subscription software, managed services, and AI-powered tax tools.

Ownership category

akta.pro rank

Product category

Accounting & HR Software

NAICS

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (51821)

SIC

Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

Core ERP Suites (Financials, Procurement, Projects) (HDAEAEAA)

akta.pro secondary industry

Software/Application Support (SaaS, Enterprise Apps) (BPAAACAC)

Keywords

• Accountancy practice software
• Payroll management solutions
• Cloud HR software
• Education management systems
• Tax compliance software

Headquarters

HQ city

Datchet

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Software Subscriptions: IRIS generates primary revenue through subscription-based software licensing for its cloud-based accountancy, HR, payroll, and education management solutions. Customers pay recurring fees based on user count, usage levels, or tiered pricing plans.
2. Managed Services: Revenue from managed payroll services, outsourcing services for bookkeeping, accounting and payroll, and HR consulting services. These services provide recurring revenue through service contracts.
3. Professional Services: Implementation, training, data conversion, and consulting services supporting software deployments and providing additional revenue streams.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels7 records

Core offering

IRIS Software Group provides mission-critical cloud-based software and managed services for accountancy practices, HR departments, payroll bureaus, and educational institutions. The portfolio spans accountancy (IRIS Elements, IRIS Accountancy Suite, IRIS Practice Engine, IRIS KashFlow, IRIS Firm Management), HR (IRIS Cascade, Staffology HR, IRIS Recruitment), payroll (Staffology Payroll, IRIS Payroll Professional, IRIS GP Payroll), and education (Every HR, Every Payroll, iSAMS, IRIS Financials, IRIS ParentMail), complemented by managed services such as outsourced payroll, hosting, and global payroll.

Product overview

IRIS Software Group offers a comprehensive platform-plus-modules architecture serving accounting practices, HR departments, payroll operations, and educational institutions. The portfolio includes core accountancy solutions (IRIS Elements, IRIS Accountancy Suite, IRIS Practice Engine), practice management (IRIS Firm Management), HR systems (IRIS Cascade, Staffology HR), and payroll solutions (Staffology Payroll, IRIS Payroll Professional, Staffology Bureau). The company has built its portfolio through strategic acquisitions including KashFlow, Paycheck Plus, Every, iSAMS, and Doc.It, integrating these brands into its unified ecosystem. Education-specific offerings include IRIS Financials, Every HR, Every Payroll, iSAMS, and IRIS ParentMail. Services complement software with managed payroll, outsourcing, hosting, and global payroll capabilities. The platform serves over 100,000 customers across 135 countries.

Differentiator

Problem solved

Functional benefit

Brands

• IRIS Elements: Integrated cloud accountancy platform with single client list functionality
• IRIS Accountancy Suite
• IRIS Practice Engine
• IRIS KashFlow
• IRIS Cascade
• Staffology HR
• Staffology Payroll
• Every
• IRIS GP Payroll
• IRIS Firm Management (IFM)
• Paycheck Plus
• iSAMS
• IRIS ParentMail

Products and services

• IRIS Elements

Quantifiable outcome

• 62.5% reduction in tax return preparation time
• +3 more outcomes

Named customers10 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

AI capability4 records

Feature4 records

Partnerships

Two partnerships are on record, tiered core.

• ZayZooncoreTechnology or Integration · 16 December 2025Strategic partnership to integrate earned-wage access and financial wellness tools into IRIS's US payroll solutions (Payroll Relief and Swipeclock). The integration enables employees to access already-earned wages before payday and provides a Perks Marketplace, budgeting insights, and financial education at zero cost to employers. Partnership serves over two million employees across 2,600 organisations in the United States.
• Microsoft FoundrycoreTechnology or IntegrationMicrosoft Foundry serves as the AI infrastructure platform for IRIS's AI-powered tax anomaly detection tool, which is built on GPT4.1. This technology partnership supports IRIS's multi-million-pound AI-first strategy investment.

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Sage Group: Sage is a UK-headquartered enterprise software company serving accounting practices, SMBs, and payroll customers with accounting, HR, and payroll software — directly competing with IRIS's core UK accountancy and SMB payroll offerings.
• Xero: Xero provides cloud accounting software primarily targeting SMBs and their accountants, directly competing with IRIS's KashFlow and IRIS Elements cloud bookkeeping and accountancy platform products.
• Paychex: Paychex provides payroll, HR, and HCM solutions targeting SMBs and their accountants, directly overlapping with IRIS's payroll bureau and CPA-focused products in the North American market.
• Wolters Kluwer (CCH): Wolters Kluwer's CCH provides tax, accounting, and regulatory compliance software to accounting firms globally, directly competing with IRIS's tax compliance, accounts production, and practice management offerings.

Broad incumbents

• Intuit (QuickBooks): Intuit's QuickBooks is the dominant SMB cloud accounting and self-serve payroll platform globally, competing with IRIS's accountancy and SMB payroll offerings with substantially greater brand reach and consumer-grade product experience.
• ADP: ADP is the largest global payroll and HCM services provider, directly competing with IRIS's US payroll bureau platform (Payroll Relief, Swipeclock, Apex HCM) and managed payroll services with significantly greater scale and brand recognition.
• Thomson Reuters (Tax & Accounting): Thomson Reuters' tax and accounting professionals division competes with IRIS's tax and accountancy products; notably, IRIS acquired Thomson Reuters' myPay Solutions in 2022, indicating direct product overlap.
• Workday: Workday is a leading cloud HCM and financial management platform for mid-market and enterprise customers, competing with IRIS's Cascade, Staffology HR, and IRIS Financials offerings, particularly as IRIS expands upmarket.

Others

• Dext (now part of IRIS): Dext provides document and receipt automation tools for accountants; acquired by IRIS in 2024, it now sits within the IRIS platform rather than competing, but represents the document management category relevant to IRIS's accounting practice offerings.

Emerging players

• BambooHR: BambooHR offers cloud HR software for SMBs, competing with IRIS's Staffology HR and IRIS Cascade in the UK and European SMB HR market, though it lacks IRIS's payroll and accountancy integration depth.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/irisaccountants
• Facebookfacebook.com/198709393645638
• LinkedInuk.linkedin.com/company/iris-software-group
• Instagraminstagram.com/irissoftwaregroup

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles17 records

Subsidiaries13 records

Funding overview

Funding rounds3 records

Investors2 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A34 records

Investments2 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about IRIS Software Group