What Silta does

Silta Oy is Finland's largest provider of payroll calculation services and a subsidiary of Administer Group, the publicly listed (Nasdaq Helsinki First North) Finnish payroll and financial management conglomerate. Founded in 2001 and headquartered in Helsinki, Silta processes payroll for over 100,000 Finnish employees monthly and serves 5,000+ clients at the group level across SMBs, large enterprises, municipalities, and public sector organizations. The company employs 300 payroll and HR experts across Finnish offices (Helsinki, Turku, Tampere, Pieksämäki) and an Estonian subsidiary in Tallinn, with a planned Swedish entry via the 80% acquisition of Passion for Payroll Stockholm AB closing June 1, 2026.

Silta's product portfolio centers on outsourced payroll services and HR services, complemented by consulting, HR Analytics, expert leasing, and a PEO offering for international companies with Finnish employees but no local subsidiary. Its technology stack integrates third-party platforms — Mepco (payroll/HR), Visma (expense and time management), Nepton (time management), Sympa HR (HR data), and the Frends integration platform — alongside proprietary employee-facing tools: the Simo mobile app and eSimo web portal, which provide real-time payslip access and secure document submission via electronic identification. The proprietary AIDA AI assistant, co-developed with CGI, performs intelligent knowledge retrieval over payroll documentation with a roadmap toward process automation.

Silta's business model is professional services and managed services revenue, generated through direct B2B sales and a content-led GTM motion (podcasts, webinars, guides, newsletters). Pricing is custom and not publicly disclosed, structured around service packages — including tiered offerings for EU pay transparency directive compliance — and multi-year contracts. The company reports €24 million in revenue for FY2023 and operates with strong customer experience metrics (NPS +76, CSAT 9.25/10, CES 9.07/10), supported by ISO 27001 certification for information security management.

Name

Silta

Legal name

Silta Oy

Website

https://silta.fi

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

101–250 employees

Short description

Silta is Finland's largest payroll calculation services provider, processing payroll for over 100,000 Finnish employees monthly across 5,000+ group-level clients. A subsidiary of Administer Group, it offers payroll outsourcing, HR services, PEO, and the AIDA AI assistant to SMBs, large enterprises, and the public sector.

Ownership category

akta.pro rank

Product category

Payroll Outsourcing Services

NAICS

Payroll Services (541214), Professional Employer Organizations (561330)

SIC

Services-Employment Agencies (7361)

akta.pro primary industry

Full-Service Payroll Processing (BPACAIAA)

akta.pro secondary industries

Global Payroll & Multi-Country Payroll Management (BPACAHAC), Payroll Outsourcing & Pay Administration (Multi-country/Managed Payroll) (BPACAKAD), Contractor Payroll, Invoicing & Payment Services (BPACAGAD)

Keywords

• Payroll outsourcing
• HR services
• PEO services
• Payroll calculation
• HR consulting

Headquarters

HQ city

Helsinki

HQ country

Finland

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Payroll Processing Services: Core payroll calculation and administration services delivered as outsourced professional services to businesses of all sizes. Revenue generated through service contracts with clients, processing salaries for over 100,000 Finns monthly.
2. HR Services: Strategic HR consulting, HR analytics, and HR system consulting services complement the core payroll offering. Includes HR process mapping and organizational change management services.
3. PEO Services: Professional Employer Organization services for foreign companies with Finnish employees but no local subsidiary. Provides complete payroll and HR administration for international clients.
4. Expert Leasing: Staffing services providing payroll and HR experts to clients on temporary or project basis to supplement client capabilities.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Silta is Finland's largest provider of outsourced payroll calculation services, processing salaries for over 100,000 Finns monthly. The company delivers comprehensive payroll processing, HR services, consulting, HR analytics, and PEO services for international companies, supported by the Simo mobile app and the AIDA AI assistant.

Product overview

Silta operates as a comprehensive payroll and HR services provider offering a unified service portfolio centered on payroll processing (processing salaries for over 100,000 Finns monthly). The core offering includes payroll services, HR services, and consulting, supported by specialized modules including HR Analytics, the Simo mobile app for employee self-service, PEO Services for international companies, Expert Leasing, AIDA AI Assistant for intelligent documentation search, and Payroll Transparency Services for regulatory compliance. Silta's systems integrate with third-party solutions including Mepco (payroll/HR), Visma (expense management, time tracking), Nepton (time management), Sympa HR, and utilizes Frends for integration infrastructure and Vero API for tax administration connectivity.

Differentiator

Problem solved

Functional benefit

Brands

• Simo: Mobile application for employees to access their salary information in real-time
• eSimo
• AIDA

Products and services

• Payroll Services (Palkanlaskenta) Comprehensive payroll calculation and administration services for businesses of all sizes, processing salaries for over 100,000 Finns monthly. Includes salary calculation, tax handling, statutory deductions, and compliance with Finnish labor laws and collective agreements.
• HR Services (HR-palvelut) Strategic and operational HR services supporting organizations in workforce planning, development, and management. Includes HR consulting, recruitment support, and HR process optimization.
• Consulting (Konsultointi)
• HR Analytics (HR-analytiikka) Data-driven HR analytics services enabling informed decision-making based on workforce data for organizational leadership.
• Simo Mobile App Smartphone application providing employees real-time access to their payroll information. Employees can view payslips, find salary data, and securely submit documents like medical certificates to payroll processing.
• PEO Services Professional Employer Organization services for foreign companies with Finnish employees but no local subsidiary. Provides turnkey employment solution including payroll, HR administration, and statutory compliance for Finnish operations.
• Expert Leasing (Asiantuntijavuokraus) Staffing services providing qualified payroll and HR professionals for temporary or project-based needs. Offers access to specialized expertise without permanent hiring.
• AIDA AI Assistant Artificial intelligence assistant for payroll operations providing intelligent search across payroll documentation, learning customer-specific guidelines, and assisting with recurring processes. Developed in collaboration with CGI.
• Payroll Transparency Services (Palkka-avoimuus) Service packages helping organizations prepare for and comply with the EU pay transparency directive. Includes assessment, gap analysis, policy implementation, reporting readiness, and executive coaching.

Quantifiable outcome

• NPS score of +76 (12-month rolling) and +78 in March measurement
• +2 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration7 records

AI capability4 records

Feature3 records

Partnerships

Eight partnerships are on record, tiered core and supporting.

• CGIcoreTechnology or Integration · 1 April 2025CGI collaborates with Silta on developing AIDA, an AI assistant for payroll operations. CGI provides technology expertise while Silta contributes payroll domain knowledge. AIDA v2 is being developed to learn customer-specific processes and documentation. The partnership focuses on practical payroll automation and knowledge management solutions.
• Castrén & SnellmansupportingImplementation/ SI/ Consulting PartnerSilta provides employment law services in partnership with Castrén & Snellman, Finland's leading law firm in employment matters. Through this collaboration, Silta's clients have access to expertise in daily employment law matters, employment-related disputes, co-operation negotiations, and other employment issues.
• Mepco (Accountor HR Solutions)coreTechnology or IntegrationMepco provides Silta with Finland's most popular payroll and HR software solution. Mepco is a modern and highly automated solution designed for demanding payroll processes, integrable with various HR systems and time management solutions.
• Visma EnterprisesupportingTechnology or IntegrationVisma Enterprise provides personnel and workforce management solutions to Silta. M2 streamlines travel and expense reporting, while Tiima handles working time recording, allocation, planning, and monitoring.
• NeptonsupportingTechnology or IntegrationNepton provides Silta with time management and HR solutions, streamlining time management processes. Nepton delivers time management solutions to over 100 companies with nearly 100,000 users.
• Sympa HRsupportingTechnology or IntegrationSympa HR consolidates organizational HR data into a comprehensive system that integrates with other systems, helping leverage data for decision-making and minimizing routine HR tasks.
• HiQ FinlandsupportingTechnology or IntegrationHiQ Finland specializes in e-business solutions, digital services, process integration, and quality assurance. HiQ provides Silta with complete systems, partial system implementations, and project professionals.
• Administer GroupcoreStrategic or Co-development PartnerSilta is part of Administer Group, Finland's largest payroll outsourcing partner. Administer Group provides multi-skilled payroll, financial management services, software solutions, consulting, and personnel services. Listed on Nasdaq Helsinki's First North market. Group includes Silta Oy, Administer accounting firm, Econia Ltd, EmCe Solution Partner Ltd, Adner Oy, and Kuntalaskenta Oy.

Scale indicators8 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Accountor: Accountor is a Finland-based provider of payroll, HR, and financial management services, and through its Mepco unit is also a key technology partner to Silta—making it a direct competitor in core payroll services across the Nordics.
• SD Worx: SD Worx is a leading European HR and payroll services provider with operations in multiple countries including the Nordics, offering comparable payroll outsourcing and EOR services targeting mid-market and enterprise clients.
• Azets: Azets is a major Nordic and European payroll, HR, and accounting outsourcing provider, directly competing with Silta in Finland and the broader Nordic market with comparable B2B outsourced payroll and employer-of-record services.

Broad incumbents

• TietoEvry: TietoEvry is a major Nordic IT services and software provider offering HR and payroll solutions to enterprises and public sector, overlapping with Silta in Finnish enterprise and municipality payroll services.
• ADP: ADP is the global incumbent in payroll and HR services with multinational coverage; it competes with Silta for larger enterprise clients and on PEO/EOR services, particularly for foreign companies with Finnish employees.
• Visma: Visma is a major Nordic provider of business software and services including payroll and HR solutions (e.g., Visma.net, M2, Tiima); it is both a technology partner to Silta and a competitor in the broader Nordic payroll software and services market.

Emerging players

• Deel: Deel is a fast-growing global employment platform offering international payroll, EOR, and contractor management services, increasingly competing with traditional Nordic payroll providers like Silta in the cross-border employment segment.
• Remote: Remote is a global HR platform providing international payroll, EOR, and contractor management; it overlaps with Silta's PEO services for foreign companies with Finnish employees and represents a tech-first competitive threat.

Others

• Castrén & Snellman: Castrén & Snellman is Finland's leading employment law firm and a partner of Silta for employment law services; while not a payroll competitor, it is an ecosystem player closely tied to Silta's service offering.
• Econia: Econia is a sister company within Administer Group offering financial administration and accounting services in Finland, providing a reference for comparable services within the same parent group ecosystem.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/siltalainen
• YouTubeyoutube.com/@siltaoy
• Facebookfacebook.com/SiltaOy
• LinkedInlinkedin.com/company/silta-oy
• Instagraminstagram.com/siltaoy

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about Silta