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nTopology

SoftwareNew York, USAFounded 2015· One of 350 Software companies tracked by AMPulse

Computational engineering design software company enabling generative design for additive manufacturing, creating complex lightweight structures optimized for aerospace, automotive, medical, and consumer applications.

CEO / Founder
Bradley Rothenberg
Team Size
51-200
Stage
Active
Total Funding
$135M
Latest Round
Series D
Key Investors
Tiger Global (lead, Series D), Insight Partners, Canaan Partners, FirstMark Capital, Root Ventures, Haystack, AME Cloud Ventures

Technology & Products

Key Products

nTop Platform (formerly nTopology), a computational engineering design software for generative design, simulation, and optimization, enabling complex geometries for additive manufacturing. It offers toolkits for lightweighting, topology optimization, and additive manufacturing, serving industries like aerospace, automotive, medical devices, and consumer products.

Technological Advantage

The technology provides a significant business advantage by enabling companies to design and manufacture next-generation products with improved performance, reduced weight, and consolidated parts. This leads to cost savings, faster innovation cycles, and a competitive edge in the market.

Differentiation

Value Proposition

nTopology's software empowers engineers to design and manufacture innovative products by overcoming the limitations of traditional CAD software. It enables the creation of lightweight, high-performance parts with complex geometries, while accelerating the product development lifecycle through a unified, automated workflow.

How They Differentiate

nTop differentiates through its implicit modeling engine that enables complex geometry generation impossible in traditional CAD, combined with automation capabilities that capture engineering intent as reusable design code.

Market & Competition

Target Customers

Design engineers and manufacturing teams requiring advanced computational design tools for creating complex, lightweight, optimized parts for additive manufacturing and advanced production methods.

Industry Verticals

["Aerospace", "Automotive", "Medical Devices", "Consumer Products", "Defense", "Industrial Equipment"]

Competitors

Autodesk Fusion, SOLIDWORKS, Onshape, Inventor, Ansys, PTC

Growth & Milestones

Growth Metrics

Total funding: $133-135M over 7 rounds. Series D: $65M led by Tiger Global. Valuation: $400M (post-money). Sep 2024: Additional Series D funding (undisclosed amount). Growing customer base in aerospace, automotive, and medical industries.

Major Milestones

["2015: Founded in New York City", "2016: First funding round", "2019: Opened first European office in Germany", "2021: Raised $40M Series C", "2022: Raised $65M Series D led by Tiger Global at $400M valuation", "2024 Sep: Additional Series D funding", "Rebranded from nTopology to nTop", "2025 Feb: Acquired cloudfluid (CFD software company) to accelerate real-time design simulation"]

Notable Customers

Ford, Lockheed Martin, Honeywell, Emerson, Wilson

https://www.ntop.com

Why this company matters

nTopology addresses a fundamental limitation of traditional B-rep CAD software: the inability to efficiently create, manipulate, and iterate on complex geometries such as lattices, shells, and topology-optimized structures. Its implicit modeling engine treats geometry as mathematical fields rather than boundary surfaces, enabling engineers to design parts that are often impossible to model in conventional tools. The platform unifies design, simulation, and manufacturing data into a single automated workflow, capturing engineering intent as reusable design code.

The software is deployed primarily by design engineers and manufacturing teams in aerospace, automotive, medical devices, defense, and industrial equipment. Named customers include Ford, Lockheed Martin, Honeywell, Emerson, and Wilson. Typical applications include lightweighting metal LPBF components, consolidating assemblies into single printed parts, and generating conformal lattices for thermal or structural performance. The platform integrates with major printer OEMs including Stratasys, EOS, Renishaw, 3D Systems, and DMG MORI, as well as simulation partner Ansys.

nTopology has raised approximately $133.8 million across seven rounds, including a $65 million Series D led by Tiger Global in 2022 at a $400 million post-money valuation, with additional Series D funding in September 2024. Investors include Insight Partners, Canaan Partners, and FirstMark Capital. The company was founded in 2015 by Bradley Rothenberg and rebranded from nTopology to nTop. Its primary competitive risk comes from established CAD and simulation vendors—Autodesk Fusion, SOLIDWORKS, Onshape, Ansys, PTC—that are adding generative design and lattice capabilities, though none yet match nTop's implicit modeling depth for production-grade AM workflows.