Zellis

Human Capital Management Softwarezellis.com

Zellis is a UK-based HCM software provider offering cloud-based HR, payroll, and benefits administration to multinational employers, serving ~3,000 companies and 5+ million employees across 100+ countries under Apax Funds ownership.

Company typePrivate
Founded1963
HeadquartersLondon, United Kingdom
Headcount1,001–5,000
GTM typeB2B
OfferingSoftware

What Zellis does

Zellis is a UK-based human capital management (HCM) software provider, founded in 1963 and headquartered in London. The company offers a cloud-based HR and payroll platform targeted at large multinational employers, with a stated customer base of approximately 3,000 companies and over 5 million employees across more than 100 countries following the September 2024 merger of its Benefex division with the acquired Benify. Named enterprise clients include McDonald's and Five Guys.

The platform follows a modular architecture comprising a core HR and payroll engine, a combined benefits administration and employee engagement suite (Benefex/Benify), AI-enabled HR capabilities acquired through elementsuite in January 2025, and earned wage access functionality acquired through Hastee Technologies in June 2025. The underlying technology is cloud-based SaaS with proprietary AI features focused on payroll automation and employee financial wellness rather than natively AI-built systems.

Zellis operates a subscription-based recurring revenue model with enterprise field sales distribution. The company is privately held by Apax Funds and pursues an aggressive inorganic growth strategy, completing three acquisitions in nine months to expand geographic reach, add AI capabilities, and broaden its product portfolio into adjacent financial wellness services. Pricing is quote-based for enterprise engagements and is not publicly disclosed.

Zellis firmographics

Firmographics

Name: Zellis
Website: https://zellis.com
Company type: Private
Founded year: 1963
Operating status: Operating
Headcount range: 1,001–5,000 employees
Short description: Zellis is a UK-based HCM software provider offering cloud-based HR, payroll, and benefits administration to multinational employers, serving ~3,000 companies and 5+ million employees across 100+ countries under Apax Funds ownership.
Ownership category
akta.pro rank

Zellis industry classification

Industry

Product category: Human Capital Management Software
NAICS: Custom Computer Programming Services (541511), Computer Systems Design and Related Services (54151)
SIC: Services-Prepackaged Software (7372)
akta.pro primary industry: Human Capital Management (HCM) & Payroll Platforms (HDAEAEAJ)
akta.pro secondary industries: HR Service Delivery, Case Management & Employee Self-Service (BPACAPAL), Wellbeing, Mental Health & Employee Assistance (EAP) (BPACAPAO), Employee Benefits Brokerage & Consulting (FSAEADAC)

Keywords

Human capital management
Payroll software
Benefits administration
HR technology platform
Employee engagement software

Where Zellis is headquartered

Location

Headquarters

HQ city: London
HQ country: United Kingdom
HQ region: Europe

Markets served

Zellis business model

Business model

GTM type: B2B
Offering type: Software
Cost components: Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

HR and Payroll Software Subscriptions: Subscription-based SaaS revenue from providing HR and payroll software platforms to enterprise and mid-market customers. The company generates recurring revenue through software licensing and platform access fees.
Benefits Administration Services: Revenue from benefits administration and employee engagement solutions, serving approximately 3,000 companies and over 5 million employees globally through the combined Benify and Benefex platform.

Go-to-market motion1 record

Distribution channels1 record

Zellis product offering

Product offering

Core offering

Zellis sells cloud-based human capital management (HCM) software that combines HR, payroll, benefits administration, and employee engagement for large multinational employers. Its core Zellis HR and Payroll Platform is augmented by AI capabilities from the acquired elementsuite, the combined Benify/Benefex benefits and rewards offering, and earned wage access functionality from Hastee. The company operates as a SaaS vendor serving enterprise customers across more than 100 countries.

Product overview

Zellis is a human capital management (HCM) software provider offering a unified HR and payroll platform. The company operates a platform-plus-modules architecture consisting of its core HR and Payroll Platform, enhanced by the acquired AI-enabled elementsuite technology. Benefits administration is handled through the combined Benefex/Benify entity, which serves approximately 3,000 companies and over 5 million employees across more than 100 countries. The company has expanded into earned wage access through its acquisition of Hastee Technologies, aiming to improve employee financial health and retention.

Differentiator

Problem solved

Functional benefit

Products and services

Zellis HR and Payroll Platform Cloud-based human capital management platform providing HR and payroll services for enterprise and multinational customers, enhanced with AI-powered automation through the elementsuite acquisition.
Benefex

Quantifiable outcome

Serving approximately 3,000 companies and over 5 million employees globally

Companies that use Zellis

Customer profile

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Zellis technology and API

Technology

API detail

Has API: No
API docs
API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature3 records

Zellis partnerships and signals

Strategic signal

Partnerships

Three partnerships are on record, tiered core.

Hastee Technologies HR Ltd.coreStrategic or Co-development Partner · 1 June 2025Hastee Technologies HR Ltd. provides earned wage access functionality that Zellis is integrating into its AI-enabled HR platforms to improve employee financial health and retention.
elementsuitecoreStrategic or Co-development Partner · 10 January 2025elementsuite is an AI-enabled HR software company being acquired to expand Zellis' HR and payroll platform with enhanced AI-powered capabilities.
BenifycoreStrategic or Co-development Partner · 3 September 2024Benify is being acquired and merged with Zellis' Benefex division to create a global benefits and rewards software provider serving approximately 3,000 companies and over 5 million employees.

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

Zellis competitors and assessment

Company assessment

Direct peers

ADP (Automatic Data Processing): One of the largest global payroll and HCM providers, serving multinational employers with payroll, benefits, and workforce management. ADP's GlobalView and Celergo directly overlap with Zellis's multinational payroll offering.
Workday: Cloud-native HCM, payroll, and financial management platform competing for the same enterprise multinational HR software RFPs. Workday's AI roadmap and global payroll partner network are a direct competitive threat to Zellis.
UKG (Ultimate Kronos Group): Major HCM, payroll, and workforce management vendor serving large enterprise and mid-market customers globally. UKG competes head-to-head with Zellis in HR/payroll for enterprise customers like Five Guys and McDonald's.
SAP SuccessFactors: Enterprise cloud HCM suite bundled with SAP ERP, often chosen by global multinationals for HR transformation. SuccessFactors competes for the same large multinational deals Zellis pursues.
Dayforce (formerly Ceridian): Cloud HCM and payroll platform with a strong footprint in North America and growing presence in EMEA and APAC. Dayforce competes for enterprise payroll and HR customers overlapping with Zellis.
Paychex: Large payroll and HR solutions provider historically focused on SMB but expanding upmarket. Paychex is a comparable subscription-based HCM/payroll SaaS peer, though more US-centric.

Emerging players

HiBob: Fast-growing mid-market HRIS/HCM platform with strong EMEA presence. HiBob overlaps with Zellis in UK/EU mid-market HR software, often competing in the lower-mid segment Zellis also targets.
Personio: European HRIS platform for SMB and mid-market employers. Personio is a comparable European HCM SaaS player pushing upmarket toward the lower end of Zellis's customer base.
BambooHR: SMB-focused cloud HRIS with global ambitions. BambooHR competes in the lower end of the HCM market and is a relevant emerging peer for Zellis's smaller enterprise customers.
Reward Gateway: Employee engagement, benefits, and rewards platform with strong UK presence. Reward Gateway is directly comparable to Benefex/Benify and competes for employee engagement spend within Zellis's installed base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

Zellis financial estimates

Financial estimate

Revenue estimate

Valuation estimate

Zellis leadership team

Management profile

Number of profiles

Profiles6 records

Zellis subsidiaries and ownership

Company hierarchy

Subsidiaries4 records

Zellis funding detail

Funding detail

Funding overview

Funding rounds

Investors

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

Zellis M&A and investment

M&A and investment

M&A3 records

Investments

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

Frequently asked questions about Zellis

What does Zellis do?

Is Zellis a public or private company?

Zellis is a private company. It is classified as private equity controlled and is currently operating.

When was Zellis founded?

Zellis was founded in 1963. It employs 1,001 to 5,000 people.

Where is Zellis based?

Zellis is headquartered in London, United Kingdom, in the Europe region.

How does Zellis make money?

Two revenue lines are on record. HR and Payroll Software Subscriptions are the primary driver. The others are benefits Administration Services.

Who are Zellis's main competitors?

Direct peers on record are ADP (Automatic Data Processing), Workday, UKG (Ultimate Kronos Group), SAP SuccessFactors, Dayforce (formerly Ceridian) and Paychex. Emerging players are HiBob, Personio, BambooHR and Reward Gateway.

Does Zellis have an API?

No public API is recorded for Zellis.

What industry is Zellis in?

Zellis's product category is Human Capital Management Software. Its primary akta.pro industry code is HDAEAEAJ, Human Capital Management (HCM) & Payroll Platforms, with a secondary code of BPACAPAL, HR Service Delivery, Case Management & Employee Self-Service. Its NAICS code is 541511 and its SIC code is 7372.