What Aimsun does

Aimsun is a Barcelona-headquartered transport simulation software company founded in 1998, operating globally across 100 countries with a workforce of 51–100. The company's core product, Aimsun Next, is a multi-resolution transport simulation platform supporting macroscopic, mesoscopic, microscopic, and hybrid modeling in a single environment, with Dynamic User Equilibrium assignment, Python/Lua scripting, and APIs/SDKs for adaptive signal control and V2X integration. The product suite is built around Aimsun Next and includes modular add-ons: Aimsun Live for real-time digital-twin traffic management, Aimsun Predict for historical and real-time traffic data services, Aimsun Start for TomTom-powered pre-calibrated models, Aimsun Insight for mobility analytics, and Aimsun Plus for end-to-end planning and operations.

Revenue is generated through tiered enterprise subscription licensing of Aimsun Next (Lite, Pro, Advanced, Expert editions), supplemented by professional services for model development, calibration, and consulting, and by data monetization through Aimsun Predict. Go-to-market is enterprise field sales targeting government transportation agencies, transport planning consultancies, infrastructure operators, and academic institutions, with named deployments at NYCDOT, TfGM, FDOT, Ville de Paris, EXAT, Beijing Traffic Management Bureau, Abu Dhabi Mobility, Groupe ADP, Getlink, and MIT.

Since October 2023, Aimsun has operated as a subsidiary of Siemens Mobility within the Yunex Traffic Group, extending its global distribution reach and integration with the broader Siemens intelligent transportation systems portfolio. The company holds ISO 9001, ISO 14001, and ISO 45001 certifications, plus Spain's ENS Basic Level declaration under RD 311/2022, supporting qualification for government transportation procurement.

Name

Aimsun

Legal name

Aimsun SLU

Website

https://aimsun.com

Company type

Private

Founded year

1998

Operating status

Operating

Headcount range

51–100 employees

Short description

Aimsun develops Aimsun Next, a multi-resolution transport simulation platform, sold on subscription to government agencies, consultancies, and infrastructure operators across 100 countries. Since October 2023 it has operated within Siemens Mobility's Yunex Traffic Group from its Barcelona headquarters.

Ownership category

akta.pro rank

Product category

Transport Simulation Software

NAICS

Computer Systems Design Services (541512), Engineering Services (54133), Computer Systems Design and Related Services (54151)

SIC

Services-Prepackaged Software (7372), Services-Computer Programming Services (7371)

akta.pro primary industry

Transportation & Traffic Engineering Consulting (BPAHAIAC)

akta.pro secondary industries

Transportation & Infrastructure Planning (BPAHAKAF), Enterprise Architecture & IT Operating Model (BPAHAEAB)

Keywords

• Transport simulation software
• Traffic modeling platforms
• Mobility digital twins
• Intelligent transportation systems
• Travel demand modeling

Headquarters

HQ city

Barcelona

HQ country

Spain

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. Software Subscription Licensing (Aimsun Next): Aimsun Next is offered as a subscription-based software license (for Aimsun Next 24 onwards). The software is available in multiple editions (Lite, Pro, Advanced, Expert) with tiered capabilities. Subscriptions include software updates, support, and access to the myAimsun portal. Perpetual licenses were available for older versions (Aimsun Next 23 and earlier).
2. Professional Services and Consulting: Aimsun provides professional services including transport modeling, model development, calibration, validation, and project-specific consulting engagements. These services complement the software license and are delivered alongside government and enterprise client projects.
3. Data Services (Aimsun Predict): Aimsun sells and processes historical and real-time traffic data, providing mobility insights to customers who require data inputs for their transport network models without necessarily licensing the full simulation platform.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels8 records

Core offering

Aimsun develops and sells Aimsun Next, a multi-resolution transport simulation platform supporting macroscopic, mesoscopic, microscopic, and hybrid traffic modeling. The company sells software subscriptions (Lite, Pro, Advanced, Expert editions), professional services for model development and consulting, and data services (Aimsun Predict) to government transportation agencies, transport planning consultancies, and infrastructure operators globally.

Product overview

Aimsun offers a platform-plus-modules product architecture centered on Aimsun Next, the core transport simulation software. Aimsun Next provides integrated simulation capabilities supporting macroscopic, mesoscopic, microscopic, and hybrid simulation approaches for transport planning and operations. The product suite includes specialized modules: Aimsun Insight for data-driven mobility insights, Aimsun Predict for traffic prediction, Aimsun Start for pre-calibrated models powered by TomTom data, Aimsun Plus for comprehensive planning and operations analysis, and Aimsun Live for digital twin real-time operations. The modules share a common data model and can be used independently or in combination, with Aimsun Live representing the real-time AI-powered evolution of simulation technology for live traffic management.

Differentiator

Problem solved

Functional benefit

Brands

• Aimsun Next: All-in-one transport simulation software platform for impact studies of any scale and scope.
• Aimsun Live
• Aimsun Insight
• Aimsun Predict
• Aimsun Start
• Aimsun Plus

Products and services

• Aimsun Next All-in-one transport simulation platform supporting macroscopic, mesoscopic, microscopic, and hybrid simulations for transport planners, modelers, and traffic engineers. Offers Lite, Pro, Advanced, and Expert subscription editions for building, calibrating, validating, and analyzing traffic models at any scale.
• Aimsun Insight Data-driven mobility insights module that analyzes traffic patterns and provides visualization and reporting capabilities for transport network performance, for transport planners and authorities.
• Aimsun Predict Data-driven mobility prediction service that sells and processes historical and real-time traffic data, providing fast, cost-efficient insights into transport network behavior for clients needing data inputs without licensing the full simulation platform.
• Aimsun Start Pre-built, ready-to-calibrate transport models powered by TomTom data, delivered in days to bypass lengthy manual model setup and accelerate transport modeling project timelines for consultancies and government agencies.
• Aimsun Plus Complete planning and operations analysis module covering the full lifecycle of transport modeling from demand forecasting to scenario comparison for transport planners and operators.
• Aimsun Live Digital twin product for real-time traffic operations, providing automated traffic management support using AI-powered live data monitoring and prediction to reduce delays and improve journey times for transport authorities and operators.

Quantifiable outcome

• 13.7% reduction in traffic delays using AI-powered digital twin real-time interventions
• +7 more outcomes

Named customers22 records

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature10 records

Partnerships

Five partnerships are on record, tiered flagship, core and minor.

• Siemens MobilityflagshipStrategic or Co-development Partner · 1 October 2023Siemens Mobility acquired Aimsun in October 2023 to strengthen its portfolio of intelligent transportation and simulation capabilities. The acquisition positions Aimsun within the Siemens/Yunex Traffic ecosystem, expanding distribution reach and integration with Siemens' broader intelligent transportation systems offerings.
• TomTomcoreTechnology or IntegrationTomTom provides traffic data that powers Aimsun Start, Aimsun's pre-built, ready-to-calibrate transport models. TomTom data enables rapid model deployment without the need for lengthy data collection and calibration processes.
• Tees Valley Combined AuthoritycoreImplementation/ SI/ Consulting PartnerTees Valley Combined Authority led the Tees Valley Traffic Digital Twin project, with Aimsun providing the digital twin technology. The project demonstrated 13.7% delay reduction and 11mph improvement in bus speeds, winning the CIHT Technology & Digital Transformation Award.
• Chartered Institution of Highways & Transportation (CIHT)minorGTM or Marketing PartnerCIHT runs the annual awards program where Aimsun's Tees Valley Traffic Digital Twin project received the Technology & Digital Transformation Award, providing industry recognition and credibility.
• Yunex Traffic GroupflagshipStrategic or Co-development PartnerAimsun is part of Yunex Traffic Group, following the Siemens Mobility acquisition. Aimsun follows Yunex Traffic's quality policy, environmental and safety standards, information security policy, code of ethics, and ESG sustainability commitments. The relationship provides access to Yunex Traffic's global distribution network and shared compliance infrastructure.

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Kapsch TrafficCom: Kapsch TrafficCom is a broad intelligent transportation systems incumbent offering tolling, traffic management, and connected vehicle solutions. It competes with the operational/real-time side of Aimsun Live and overlaps with parent Siemens/Yunex Traffic in the broader ITS market.
• Autodesk (InfraWorks / Civil 3D): Autodesk's infrastructure design tools (Civil 3D, InfraWorks, and increasingly simulation add-ons) are used by transportation engineering consultancies that also deploy Aimsun Next. Autodesk competes in the broader transportation planning and design workflow that surrounds microscopic simulation.
• Bentley Systems: Through OpenRoads and the Citilabs acquisition, Bentley offers integrated infrastructure design and traffic simulation tools. As a broad infrastructure software incumbent, it bundles planning and modeling capabilities that compete with parts of the Aimsun Next portfolio.
• Cubic Transportation Systems: Cubic provides urban transportation software and services (including the Paramics traffic simulation product line) to public transit and transportation agencies globally, overlapping with Aimsun in traffic modeling and adjacent operational use cases.

Others

• TomTom: TomTom is both a strategic partner (powering Aimsun Start with traffic data) and an adjacent player in location-based traffic data and mapping services. It supplies the data layer underneath several Aimsun products while also competing indirectly in mobility analytics.
• Siemens Mobility (Yunex Traffic): Yunex Traffic is the parent entity and distribution channel for Aimsun within Siemens Mobility, providing the ITS hardware and software platform into which Aimsun's simulation and digital twin technology is integrated. It is both parent and ecosystem enabler.

Emerging players

• INRIX: INRIX provides traffic data, analytics, and intelligent mobility software that overlaps with Aimsun Predict's data services and complements Aimsun Live's digital twin operations. INRIX is a key emerging competitor in the data-driven mobility intelligence layer that increasingly surrounds traffic simulation.

Direct peers

• PTV Group: PTV Group's PTV VISSIM is the most direct competitor to Aimsun Next, offering microscopic and mesoscopic traffic simulation used by the same government agencies, consultancies, and research institutions worldwide. Both companies compete on multi-resolution modeling capability, dynamic assignment, and consultancy-grade outputs.
• Citilabs (part of Bentley Systems): Citilabs' Cube and Street系列产品 are widely deployed transport planning and traffic simulation tools used by the same DOTs, MPOs, and engineering consultancies that buy Aimsun Next. Now part of Bentley Systems, Citilabs competes across both planning and operational modeling use cases.
• Transoft Solutions: Transoft Solutions (including ITS/transport planning products acquired from services like Aimsun-adjacent traffic engineering tools) competes in traffic simulation, transportation engineering design, and airport/roadway planning workflows, targeting similar government and consultancy buyers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/Aimsun
• LinkedInlinkedin.com/company/aimsun
• Instagraminstagram.com/aimsun.mobility
• Xx.com/aimsun

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Aimsun