Ntop
nTop (formerly nTopology) provides computational design software powered by a proprietary implicit modeling kernel, serving engineering teams in aerospace, automotive, medical, and consumer products to rapidly generate, simulate, and validate complex geometries for high-performance production.
- Company typePrivate
- Founded2015
- HeadquartersNew York, United States
- Headcount51–100
- GTM typeB2B
- OfferingSoftware
What Ntop does
nTop (legally nTopology Inc., formerly nTopology) is a New York-based computational design software company founded in 2015 that develops engineering design tools powered by a proprietary implicit modeling kernel. The company's core technology, refined over more than a decade, enables engineers to create, simulate, and validate complex geometries without the fragility associated with traditional boundary-representation (B-rep) CAD systems. The latest release, nTop 5, introduced a next-generation implicit modeling kernel delivering approximately 10% faster average computation and 90%+ faster boolean operations. The platform includes nTop Core, a developer library enabling third-party applications to natively read .implicit files, and nTop Automate for programmatic workflow control. Embedded FEA and CFD simulation capabilities, combined with integrations to NVIDIA PhysicsNeMo and Luminary Cloud for physics-based AI design optimization, position nTop as a unified environment for design exploration, simulation, and manufacturing preparation.
The company sells primarily through a direct enterprise sales motion targeting engineering teams in aerospace and defense, automotive, industrial and energy, medical devices, and consumer products. Revenue is generated via annual subscription licensing on a named-user basis (up to 3 devices per user) with custom enterprise pricing. An Autodesk Fusion add-in extends reach through the Autodesk App Store, while a free educational license program (nTop EDU) builds a future customer pipeline among students and academic researchers. Named customers include Lockheed Martin, Specter Aerospace, Ocado Technology, Wärtsilä, Sintavia, and Cobra Puma Golf. The company has built a partner ecosystem spanning Materialise, Autodesk, Hexagon scSTREAM, Intact Solutions, SimScale, NVIDIA, and Luminary Cloud. In February 2025, nTop acquired Cloudfluid, a German GPU-native CFD software firm, to extend simulation capabilities internally.
Ntop firmographics
Firmographics- Name
- Ntop
- Legal name
- nTopology Inc.
- Website
- https://ntop.com
- Company type
- Private
- Founded year
- 2015
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- nTop (formerly nTopology) provides computational design software powered by a proprietary implicit modeling kernel, serving engineering teams in aerospace, automotive, medical, and consumer products to rapidly generate, simulate, and validate complex geometries for high-performance production.
- Ownership category
- akta.pro rank
Ntop industry classification
Industry- Product category
- Computational Design Software
- NAICS
- Software Publishers (5132), Industrial Design Services (541420), Computer Systems Design Services (541512)
- SIC
- Services-Prepackaged Software (7372), Services-Computer Integrated Systems Design (7373)
- akta.pro primary industry
- 3D Design & CAD for Additive Manufacturing (IMAAACAA)
- akta.pro secondary industries
- Generative Design & Topology Optimization for AM (IMAAACAI), Support Generation & Lattice/Structure Design Tools (IMAAACAJ)
Keywords
Where Ntop is headquartered
LocationHeadquarters
- HQ city
- New York
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Ntop business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure
Revenue model
- Software Licenses (Subscription): nTop provides software licenses through subscription-based pricing. Named user licenses allow access through up to 3 devices during the license term. The company offers various license types including commercial, promotional, educational, and preview mode licenses.
- Enterprise Site Licenses: Enterprise-level licensing for organizations with multiple users, with flexible terms and usage-based expansion options for additional seats or concurrent users.
- Educational Licenses: Free software access for students, educators, and academic researchers engaged in non-commercial educational purposes, building future customer pipeline.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Enterprise Subscription - Custom pricing based on organization size and requirements |
| Per seat | Annual | Named User Licenses - Per-seat access with device restrictions |
| Freemium | Annual | Educational License - Free access for students and educators |
Go-to-market motion3 records
Distribution channels3 records
Marketing channels8 records
Ntop product offering
Product offeringCore offering
nTop sells computational design software (nTop Platform / nTop 5) powered by a proprietary implicit modeling kernel. The platform enables engineering teams to generate, explore, and validate complex geometries for additive manufacturing — combining logic-driven parametric modeling, embedded FEA/CFD simulation, AI-driven design optimization, and a developer library (nTop Core) for third-party interoperability. The software is sold to enterprise engineering organizations via annual named-user or site-license subscriptions, with free educational access through the nTop Ed program.
Product overview
nTop is a computational design software company offering a unified platform for high-performance engineering. The core nTop Platform (now at version nTop 5) is powered by a proprietary implicit modeling kernel that enables engineers to rapidly generate, explore, and validate complex geometries without the fragility of traditional CAD. The platform includes nTop Core, a developer API that enables third-party applications to natively read implicit models, and nTop Automate for programmatic workflow control. The nTop EDU program provides free access for educational purposes. In February 2025, nTop acquired cloudfluid to add GPU-native CFD simulation capabilities to its portfolio. The platform integrates with simulation tools (SimScale, Hexagon scSTREAM, Intact.Simulation), CAD/CAM systems (Autodesk Fusion), and manufacturing software (Materialise Magics) to provide seamless design-to-manufacturing workflows.
Differentiator
Problem solved
Functional benefit
Products and services
- nTop Platform Computational design platform powered by implicit modeling technology that enables rapid design exploration, simulation-driven optimization, and workflow automation for high-performance engineering teams in aerospace, automotive, medical devices, and consumer products.
- nTop 5 Latest major release of the nTop platform with a next-generation implicit modeling kernel delivering higher performance and precision, faster boolean operations, and expanded modeling possibilities for high-performance engineering design.
- nTop Core Developer library and corresponding .implicit file format enabling software partners to natively read and query information within nTop models, facilitating end-to-end workflows from design to simulation and manufacturing.
- nTop EDU Free educational program providing students, educators, and academic researchers with access to nTop software, learning resources, tutorials, and community support to develop skills in computational design.
- nTop Automate Command-line functionality within the nTop software that enables programmatic control and automation of nTop workflows for individual customer use.
- nTop CFD Solution New computational fluid dynamics solution that brings GPU-native CFD analysis to the nTop platform following the cloudfluid acquisition, enabling mesh-free CFD on implicit models.
Quantifiable outcome
- 3 days to build OML compared to 3 weeks in traditional CAD
- +5 more outcomes
Companies that use Ntop
Customer profileNamed customers7 records
Segments6 records
Ideal customer profiles5 records
Ntop technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration8 records
AI capability2 records
Feature5 records
Ntop partnerships and signals
Strategic signalPartnerships
Eleven partnerships are on record, tiered minor, core and major.
- SintaviaminorAerospace component manufacturer collaborating with nTop on LPBF additive manufacturing for thermal management parts in hypersonic and aircraft systems.
- Lockheed MartincoreCollaboration to embed simulation and AI-driven optimization into heat exchanger design processes. Enabled evaluation of 400+ designs in under 8 hours, reducing cycle times from weeks to minutes. Applied to UH-60M BlackHawk and Precision Strike Missile.
- SimScalemajorNative integration enabling implicit geometry import into SimScale's cloud-based simulation platform. Allows heat exchanger simulation with unprecedented speed through direct import of nTop implicit models.
- EOSminorCollaboration on thermal management for additive manufacturing. EOS, Sintavia, and nTop partnered to address heat challenges in 3D printed components for aerospace applications.
- Luminary CloudmajorIntegration with NVIDIA PhysicsNeMo framework for physics-based AI design optimization. Compresses traditional weeks-long design optimization processes into hours. First automated pipeline for physics AI-driven engineering design.
- cloudfluidcoreAcquired in February 2025. German company specializing in GPU-native computational fluid dynamics software. Strengthens nTop's engineering portfolio for aerospace applications with mesh-free CFD analysis.
- NVIDIAcorenTop and NVIDIA partnership to advance computational design through accelerated computing. NVIDIA invested in nTop and is integrating nTop's implicit modeling capabilities with NVIDIA Omniverse and RTX technologies. The collaboration enables ray tracing and enhanced visualization capabilities in nTop software.
- MaterialisecoreIntegration of nTop Core implicit modeling API with Materialise Magics 3D Print Suite and NxG Build Processor. Enables native processing of implicit design files for production without meshing or intermediate conversions. Successfully produced 60% weight-reduced cylinder head for Wärtsilä.
- AutodeskcorenTop Connector add-in for Autodesk Fusion enables nTop users to import implicit models into Fusion for downstream tasks, model interrogation, assembly integration, and manufacturing preparation. Available in Autodesk App Store.
- Hexagon scSTREAMmajorIntegration with Hexagon's CFD application for thermal management simulation. Direct data transfer for implicit models eliminates need to simplify designs. Enables 10x more simulations to optimize thermal performance.
- Intact SolutionsmajorMechanical simulation integration that removes meshing bottleneck. Enables linear elastic, modal, and thermal analysis solved directly on implicit models without conformal FE mesh generation.
Scale indicators11 records
Recent moves6 records
Expansion highlights6 records
Ntop competitors and assessment
Company assessmentDirect peers
- Materialise: Materialise Magics 3D Print Suite and NxG Build Processor are integrated with nTop but also offer build preparation and workflow tools that compete for AM software budget. Strong overlap in design-to-production AM workflows.
- ANSYS: ANSYS Discovery combines real-time simulation with design exploration that overlaps with nTop's embedded FEA/CFD value proposition. ANSYS also acquired Frustum (generative design), making it a direct competitor in physics-driven design optimization.
- Altair Engineering: Altair Inspire offers topology optimization and generative design that directly competes with nTop's core use case. Altair's broader simulation portfolio (HyperWorks) makes it a closely comparable peer for design-for-AM and optimization.
- Hexagon (MSC Software): Hexagon's MSC Software and scSTREAM CFD compete with nTop's simulation integrations, while Hexagon is also an integration partner. Overlap in CAE-driven engineering design for manufacturing.
Broad incumbents
- PTC: PTC's Creo (and Onshape) compete in mainstream CAD/PLM, with growing additive manufacturing and generative design capabilities targeting overlapping engineering customers in industrial and aerospace sectors.
- Siemens Digital Industries Software: Siemens NX (with topology optimization and generative design features) competes with nTop for high-end engineering design seats, particularly in automotive and aerospace. George Allen, nTop's Technical Fellow, previously led key NX CAD technology development.
- Autodesk: Autodesk's Fusion 360 and generative design capabilities compete with nTop in computational design and design-for-AM. As a broader CAD/CAM/CAE platform with a much larger installed base, Autodesk is the most strategically significant incumbent and is simultaneously a partner (Fusion add-in) and a competitor.
- Dassault Systèmes: Dassault's 3DEXPERIENCE platform (CATIA, SOLIDWORKS) competes in PLM-driven engineering design with growing generative design and additive manufacturing capabilities, particularly strong in aerospace and automotive customer accounts.
Emerging players
- Carbon: Carbon's Design Engine and digital manufacturing platform serve a similar end-customer (high-performance product engineering teams) with design software tightly coupled to additive production, representing both a competitor and ecosystem partner.
- ParaMatters: ParaMatters' CogniCAD is a cloud-native generative design and topology optimization tool that competes directly with nTop for AM-focused design exploration use cases, though with a smaller customer footprint.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Ntop social profiles
Digital presenceNtop financial estimates
Financial estimateRevenue estimate
Valuation estimate
Ntop leadership team
Management profileNumber of profiles
Profiles4 records
Ntop subsidiaries and ownership
Company hierarchySubsidiaries1 record
Ntop funding detail
Funding detailFunding overview
Funding rounds7 records
Investors15 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Ntop M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Ntop
What does Ntop do?
nTop sells computational design software (nTop Platform / nTop 5) powered by a proprietary implicit modeling kernel. The platform enables engineering teams to generate, explore, and validate complex geometries for additive manufacturing — combining logic-driven parametric modeling, embedded FEA/CFD simulation, AI-driven design optimization, and a developer library (nTop Core) for third-party interoperability. The software is sold to enterprise engineering organizations via annual named-user or site-license subscriptions, with free educational access through the nTop Ed program.
Is Ntop a public or private company?
Ntop is a private company. It is classified as venture growth investor backed and is currently operating.
When was Ntop founded?
Ntop was founded in 2015. It employs 51 to 100 people.
Where is Ntop based?
Ntop is headquartered in New York, United States, in the North America region.
How does Ntop make money?
Three revenue lines are on record. Software Licenses (Subscription) is the primary driver. The others are enterprise Site Licenses and educational Licenses.
Who are Ntop's main competitors?
Direct peers on record are Materialise, ANSYS, Altair Engineering and Hexagon (MSC Software). Broad incumbents are PTC, Siemens Digital Industries Software, Autodesk and Dassault Systèmes. Emerging players are Carbon and ParaMatters.
Does Ntop have an API?
No public API is recorded for Ntop.
What industry is Ntop in?
Ntop's product category is Computational Design Software. Its primary akta.pro industry code is IMAAACAA, 3D Design & CAD for Additive Manufacturing, with a secondary code of IMAAACAI, Generative Design & Topology Optimization for AM. Its NAICS code is 5132 and its SIC code is 7372.