Relesoft
Relesoft Oy is a Helsinki-based railway software firm that builds EULYNX-compliant signalling products — including a protocol conversion Gateway, a SIL 4-certified RaSTA communication library, an EULYNX Consortium-designated Test Center, a Simulation System, and CCS lifecycle tools — selling to European railway infrastructure managers, equipment manufacturers, and constructors.
- Company typePrivate
- Founded2021
- HeadquartersHelsinki, Finland
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What Relesoft does
Relesoft Oy is a Helsinki-based railway software company founded in 2021 that builds command, control and signalling (CCS) products built around the EULYNX open interface standard. Its portfolio comprises five core offerings: the EULYNX Gateway (a plug-and-play protocol conversion module that converts legacy protocols such as Modbus to EULYNX SCI-CC, deployed at approximately 20,000 EUR per interlocking), the RaSTA C library (a SIL 4-certified per CENELEC EN 50716:2023, MISRA C:2023-compliant implementation of DIN EN 50159 for safety-critical embedded communication), the Relesoft Test Center (an ISO/IEC 17025-compatible system designated as the official testing system of the EULYNX Consortium Office), the Relesoft Simulation System (a commercial EULYNX/ERTMS lab simulating up to 500 object controllers and 80 simultaneous trains), and CCS Management (lifecycle management tools for infrastructure managers transitioning to modular signalling). Development processes align with EN 50126 and EN 50129, and the firm holds ISO 9001 certification.
The company sells through direct enterprise sales to three primary segments: railway infrastructure managers (e.g., the Finnish Transportation Infrastructure Agency), signalling equipment manufacturers, and railway constructors (e.g., GRK Infra Oyj). Revenue mechanics combine project-based professional services (configuration, architecture, development and documentation for Gateway deployments), annual subscription licences for the Simulation System, and Test Center leasing with hardware and training. Pricing is quote-based and project-specific. Relesoft positions itself as an alternative to proprietary signalling vendors, targeting infrastructure managers seeking vendor independence, modular procurement, and lower lifetime signalling costs through EULYNX-enabled interoperability.
Relesoft is a privately held, founder-operated entity with 1–10 employees, no disclosed external funding, and a stated global reach anchored in Finnish expertise. Its flagship reference is the POKA project in Finland, where its EULYNX Gateway was deployed across 55 relay interlockings. Strategic positioning rests on standards-body designation (EULYNX Consortium Office testing partner), safety-critical certifications, and a small but technically deep bench of European signalling engineers.
Relesoft firmographics
Firmographics- Name
- Relesoft
- Legal name
- Relesoft Oy
- Website
- https://relesoft.io
- Company type
- Private
- Founded year
- 2021
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Relesoft Oy is a Helsinki-based railway software firm that builds EULYNX-compliant signalling products — including a protocol conversion Gateway, a SIL 4-certified RaSTA communication library, an EULYNX Consortium-designated Test Center, a Simulation System, and CCS lifecycle tools — selling to European railway infrastructure managers, equipment manufacturers, and constructors.
- Ownership category
- akta.pro rank
Relesoft industry classification
Industry- Product category
- Railway Signalling Software
- NAICS
- Testing Laboratories and Services (541380), Support Activities for Rail Transportation (48821), Support Activities for Rail Transportation (4882), Computer Systems Design Services (541512)
- SIC
- Services-Computer Programming Services (7371), Services-Testing Laboratories (8734), Industrial Instruments For Measurement, Display, And Control (3823)
- akta.pro primary industry
- Rail Signaling & Train Control Infrastructure (Interlockings, ETCS/CBTC Wayside) (TLAJADAB)
- akta.pro secondary industries
- Rail Communications & Telecom Infrastructure (GSM-R/FRMCS, Fiber, Radio) (TLAJADAD), Cybersecurity & Safety Assurance for Rail Control Centers (SOC/OT Security, Safety Cases) (TLAJAEAM), Testing, Inspection, Certification & Commissioning (TICx) Technical Services (BPAHAIAL)
Keywords
Where Relesoft is headquartered
LocationHeadquarters
- HQ city
- Helsinki
- HQ country
- Finland
- HQ region
- Europe
Offices1 record
Markets served
Relesoft business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Operations, Marketing or Sales
Revenue model
- Project-based Configuration Support: Project-based configuration support delivered to constructors and equipment manufacturers. Includes architecture, development, and documentation for EULYNX Gateway delivery at approximately 20k€ per interlocking.
- Simulation System Licensing: Licensing model based on annual service costs for simulation systems. Delivered as off-the-shelf systems with hardware and software.
- Test Center Leasing: Test Center systems available for lease as off-the-shelf systems delivered to customer premises with hardware, software, and training.
- Hardware Sales: Simulation system includes hardware components: three computers in 8U rack, network devices, power supply, display, keyboard and mouse.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Multi-year contract | EULYNX Gateway per interlocking delivery |
| Subscription | Annual | Simulation System annual licensing |
| Subscription | Annual | Test Center leasing |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels3 records
Relesoft product offering
Product offeringCore offering
Relesoft designs and develops software systems and tools for testing, simulation and development of EULYNX-compatible railway signalling systems. The product portfolio includes a protocol conversion gateway (EULYNX Gateway), a SIL 4-certified safety-critical communication library (RaSTA), an official EULYNX compliance testing system (Relesoft Test Center), a full-scale EULYNX/ERTMS simulation environment, and lifecycle management tools for railway command, control and signalling.
Product overview
Relesoft is a railway software company offering a portfolio of specialized EULYNX-based products and services for railway command, control, and signalling systems. The core offering includes the EULYNX Gateway for protocol conversion, RaSTA communication library for safety-critical data transfer, Relesoft Test Center for EULYNX compliance verification, and a Simulation System for ETCS/ERTMS testing and training. These products are complemented by CCS Management services for signalling system lifecycle management. All solutions are built on open EULYNX standards to enable vendor independence and modular railway signalling architectures.
Differentiator
Problem solved
Functional benefit
Brands
- Relesoft RaSTA: C programming library implementing DIN EN 50159 standard for safe communication in embedded environments, serving as the data communication layer for EULYNX standard.
- EULYNX Gateway
- Relesoft Test Center
- Relesoft Simulation Environment
Products and services
- EULYNX Gateway A plug-and-play protocol conversion module that converts any legacy protocol to EULYNX, enabling infrastructure managers or OEM signalling suppliers to implement EULYNX by adding a conversion layer over existing legacy systems, including relay interlockings using the SCI-CC protocol. Includes formally proven conversion logic and supports SCI-CC Baseline 3 and Baseline 4.
- RaSTA (Rail Safe Transport Application)
Quantifiable outcome
- Approximately 20,000 EUR per interlocking delivery cost for EULYNX Gateway including architecture, development and documentation
- +2 more outcomes
Companies that use Relesoft
Customer profileNamed customers2 records
Segments3 records
Ideal customer profiles3 records
Relesoft technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
Feature5 records
Relesoft partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core and flagship.
- EULYNX Consortium OfficecoreRelesoft Test Center is the official testing system and test case database of the EULYNX Consortium Office. This collaboration positions Relesoft as the preferred testing partner for EULYNX compliance verification of object controllers, interlockings and CTC systems.
- GRK Infra OyjflagshipGRK Infra Oyj was the contractor for Finland's POKA project where Relesoft's EULYNX Gateway was successfully deployed. The project involved enabling EULYNX SCI-CC protocol communication between TMS and 55 relay interlockings.
Scale indicators3 records
Recent moves5 records
Expansion highlights5 records
Relesoft competitors and assessment
Company assessmentDirect peers
- Kontron Transportation: Kontron Transportation (formerly Kontron/Siemens rail unit) delivers IP-based communications, GSM-R/FRMCS and signalling subsystems for mainline and urban rail. It directly competes with Relesoft in rail communications and adjacent control systems for EULYNX deployments.
- Indra: Indra's Mobility business develops ERTMS/ETCS signalling, traffic management and rail communications for European and Latin American operators. It is a direct comparable to Relesoft in mainline signalling modernisation and competes for EULYNX projects.
- Mermec: Mermec specialises in rail diagnostics, measurement and signalling testing equipment used by infrastructure managers globally. It is directly comparable to Relesoft Test Center in the EULYNX compliance testing and rail asset inspection market.
- Funkwerk AG: Funkwerk develops rail communication and signalling products including GSM-R and IP-based platforms. It is a direct comparable to Relesoft's RaSTA/EULYNX Gateway offering in the European rail communications niche.
- Frequentis AG: Frequentis provides control centre solutions and rail communications for dispatch and traffic management, with overlap to Relesoft's CCS Management and Simulation System offerings in network control centres.
- CAF Signalling: CAF Signalling (formerly Dimetronic) develops ERTMS, CBTC and ATO solutions including EULYNX-aligned products. It is a direct peer competing for EULYNX-related signalling contracts across Europe.
Broad incumbents
- Alstom: Alstom is a global rail signalling and infrastructure incumbent with ETCS, interlocking and digital mobility solutions. It pursues EULYNX interoperability initiatives and competes with Relesoft for European infrastructure manager tenders.
- Hitachi Rail: Hitachi Rail (including the former Ansaldo STS) is a major rail signalling and interlocking vendor with established ETCS and CBTC offerings. It competes with Relesoft in the EULYNX signalling space and represents the type of strategic acquirer that could absorb Relesoft's niche capability.
- Thales Ground Transportation: Thales provides ETCS, CBTC, interlocking and rail cybersecurity solutions across Europe. As a broad incumbent with significant R&D budgets, it competes with Relesoft on EULYNX signalling components and rail OT security.
- Siemens Mobility: Siemens Mobility is the largest European rail signalling incumbent offering CBTC, ETCS and interlocking solutions with active EULYNX commitments. It competes with Relesoft for EULYNX Gateway and Test Center contracts but as part of a much broader rolling stock and signalling portfolio.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Relesoft social profiles
Digital presenceRelesoft compliance and trust
Trust signalCompliance7 records
Relesoft financial estimates
Financial estimateRevenue estimate
Valuation estimate
Relesoft leadership team
Management profileNumber of profiles
Profiles1 record
Relesoft funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Relesoft M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Relesoft
What does Relesoft do?
Relesoft designs and develops software systems and tools for testing, simulation and development of EULYNX-compatible railway signalling systems. The product portfolio includes a protocol conversion gateway (EULYNX Gateway), a SIL 4-certified safety-critical communication library (RaSTA), an official EULYNX compliance testing system (Relesoft Test Center), a full-scale EULYNX/ERTMS simulation environment, and lifecycle management tools for railway command, control and signalling.
Is Relesoft a public or private company?
Relesoft is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Relesoft founded?
Relesoft was founded in 2021. It employs 1 to 10 people.
Where is Relesoft based?
Relesoft is headquartered in Helsinki, Finland, in the Europe region.
How does Relesoft make money?
Four revenue lines are on record. Project-based Configuration Support is the primary driver. The others are simulation System Licensing, test Center Leasing and hardware Sales.
Who are Relesoft's main competitors?
Direct peers on record are Kontron Transportation, Indra, Mermec, Funkwerk AG, Frequentis AG and CAF Signalling. Broad incumbents are Alstom, Hitachi Rail, Thales Ground Transportation and Siemens Mobility.
Does Relesoft have an API?
No public API is recorded for Relesoft.
What industry is Relesoft in?
Relesoft's product category is Railway Signalling Software. Its primary akta.pro industry code is TLAJADAB, Rail Signaling & Train Control Infrastructure (Interlockings, ETCS/CBTC Wayside), with a secondary code of TLAJADAD, Rail Communications & Telecom Infrastructure (GSM-R/FRMCS, Fiber, Radio). Its NAICS code is 541380 and its SIC code is 7371.