CalTa

What CalTa does

CalTa株式会社 (CalTa) is a Tokyo-headquartered digital twin platform vendor founded in July 2021 as a venture spin-off from East Japan Railway Company (JR East, 東日本旅客鉄道). It builds software that converts ordinary video footage — from smartphones, 360° cameras, drones (Liberaware IBIS2, ACSL SOTEN), pipe-crawling robots (Sooha, FullDepth), quadruped robots (Boston Dynamics Spot) and LiDAR carts (SEAMS by Mapfor/MAP IV) — into 3D point clouds, 3D Gaussian Splatting (3DGS) models, and time-stamped 4D digital twins, rendered on a Cesium-powered web browser for inspection, construction management, and machine guidance. The flagship TRANCITY product line (TRANCITY, CalTa M42, Oort Cam, TRANCITY ARCADE, and the next-generation TRANCITY Nebula launched March 2025/2026) integrates generative-AI natural-language operations and BIM/CAD overlays.

CalTa monetizes through four streams: (1) TRANCITY platform subscriptions with unlimited seats per contract and team-level access controls; (2) on-site video acquisition services using partner drones and robots; (3) custom/entrusted system development including Project SPARROW autonomous railway patrol drones; and (4) SEAMS hardware resale. Go-to-market is direct enterprise field sales to large infrastructure operators — JR East, JR Central (JR Tokai 東海旅客鉄道), JR West, JR Kyushu, Seibu Railway (西武鉄道), NEXCO Central Japan (NEXCO中日本高速道路), Tekken Kensetsu (鉄建建設), Takenaka Corporation (竹中工務店), Tokyo Metropolitan Port Bureau (東京都港湾局), Tokyo Gas Engineering Solutions, J-Power (電源開発), Pacific Consultants (太平洋コンサルティング), Fukui Prefecture, and Aichi Prefecture — supplemented by event-driven demand generation (CEATEC, CES Las Vegas, IFA Berlin, Japan Mobility Show, ORIGIN TRANCITY user conference) and channel access through Tokyo Metropolitan Government programs (X-HUB Tokyo, GlobalXpander, First Customer Alliance public procurement listing) and the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) Construction Startup Technology Catalog.

The company is privately held with no disclosed institutional funding, parent company, or M&A activity; registered capital at founding was approximately ¥50 million (~$0.5M) with stated continuing growth. Headcount is 11-50 employees and the company operates from a single Tokyo office (relocated within the same Takanawa-area building in May 2026). Leadership transitioned in December 2025 from founder/CEO Takatsu Toru (高津 徹) to Kobayashi Hideyuki (古林 秀之), a former JR East Ueno Tokyo Line site manager. As of 2026 the company claims 130+ introduced client companies.

Name

CalTa

Legal name

CalTa株式会社

Website

https://calta.co.jp

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

11–50 employees

Short description

CalTa is a Tokyo-based digital twin platform provider, founded in 2021 as a JR East spin-off, that converts video from drones, robots and smartphones into 4D 3D models for railway, highway, port, sewer, power, and construction operators. Its TRANCITY platform integrates 3D Gaussian Splatting, generative AI, and Cesium geospatial mapping, monetized via enterprise subscriptions, on-site data services, custom development, and hardware resale.

Ownership category

akta.pro rank

Product category

Infrastructure Digital Twin Software

NAICS

Other Motion Picture and Video Industries (512199)

SIC

Services-Computer Processing & Data Preparation (7374)

akta.pro primary industry

Mapping & Basemap Platforms (Tiles/SDKs) (BPAMANAB)

akta.pro secondary industries

Cloud Storage, Sync & Transfer for Media (high-speed ingest/egress, acceleration) (MPAHANAD), Production Asset Collaboration (shared bins, proxies, live collaboration) (MPAHANAG)

Keywords

• Digital twin platform
• Infrastructure inspection
• 3D point cloud
• Video-to-3D conversion
• Railway infrastructure

Headquarters

HQ city

Takanawa

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. TRANCITY Platform Subscription: Digital twin platform TRANCITY Nebula offered as a subscription service with unlimited users per contract. Includes software platform access, data storage, team features, generative AI capabilities.
2. Site Video Acquisition Services: On-site video/data acquisition services using drones, robots, and LiDAR to capture visual data for 3D digital twin generation. Full-service from planning to data delivery.
3. Custom Development (Entrusted Development): Custom software and hardware system development tailored to customer needs, including TRANCITY customization, point cloud system development, robot integration, and bespoke solutions.
4. CalTa M42 / SEAMS Hardware Solutions: Sale of 3D data measurement systems (SEAMS) and related hardware for point cloud acquisition, including introduction support.

Go-to-market motion3 records

Distribution channels4 records

Marketing channels6 records

Core offering

CalTa builds and sells the TRANCITY digital twin platform that automatically converts video footage (from smartphones, drones, robots, and 360 cameras) into 3D point clouds and 3D models, layering them onto digital maps with time-series 4D data for infrastructure operators. Its portfolio also includes the CalTa M42 wide-area point cloud acquisition solution built on the SEAMS measurement system, the Oort Cam iOS companion app for optimized video capture, on-site drone/robot video acquisition services, and custom system development. Revenue combines TRANCITY subscriptions with professional services and hardware sales targeting railways, roads, ports, sewers, power, and construction.

Product overview

CalTa offers a unified digital twin platform portfolio centered on TRANCITY, with three core service lines: (1) TRANCITY digital twin platform (including TRANCITY Nebula as the latest generation, CalTa M42 for point cloud solutions, and Oort Cam companion app), (2) On-site Video Acquisition Service using drones and robots, and (3) Custom Development services including Project SPARROW automated patrol drone solution. The platform enables video-to-3D automatic generation and integrates with various inspection devices (IBIS2, SOTEN, Sooha, SEAMS) and external systems (Cesium, MODE BizStack) for comprehensive infrastructure management across rail, road, port, waterway, and plant sectors.

Differentiator

Problem solved

Functional benefit

Brands

• TRANCITY: デジタルツインプラットフォーム。動画から3Dデータを自動生成し、WEBブラウザ上で時系列情報を組み合わせた4Dデータとして現場管理ができるプラットフォーム (Digital twin platform that automatically generates 3D data from videos and enables site management by combining chronological information on a web browser)
• TRANCITY Nebula
• CalTa M42
• Oort Cam
• TRANCITY ARCADE
• Project SPARROW

Products and services

• TRANCITY Nebula Next-generation digital twin platform that automatically generates 3D point clouds, 3D models, and 3D Gaussian Splatting data from video uploads and combines time-series 4D information with web browser and digital map overlay for infrastructure operators. Includes generative AI chatbot for natural-language operations, unlimited users per contract, team-level access controls, multi-factor authentication, and BIM/CAD data overlay.
• TRANCITY (Original) Original-generation TRANCITY digital twin software for infrastructure operators, providing video-to-3D data generation and time-series visualization on a web platform.
• CalTa M42 High-quality wide-area point cloud data acquisition solution combining the SEAMS 3D measurement system from Mapfour with TRANCITY; automatically removes noise (pedestrians, vehicles) and generates high-precision point cloud data on a digital map. Can be mounted on commercial trains via a special jig to acquire point clouds along rail lines without vehicle modification.
• Oort Cam iOS camera app for TRANCITY that enables users to capture videos optimized for 3D model generation; provides real-time shooting-quality analysis (movement speed, feature points, frame overlap) and improvement advice.
• TRANCITY ARCADE Experiential content building service for education, training, exhibition, and facility guidance that converts TRANCITY Nebula data (point clouds, 3D models, Google Maps terrain data) into interactive content with dedicated editor for route settings and quiz placement.
• Project SPARROW (Abnormal Inspection Drone) Automated patrol drone solution for railway inspection and disaster environment confirmation, integrated with TRANCITY for viewing and analyzing collected information; aims to improve safety and productivity in railway infrastructure inspection.
• On-site Video Acquisition Service (現地映像取得サービス) Professional video and image data acquisition service using small drones, robots, and 3D measurement devices for inspection of high places and narrow spaces; supports Liberaware IBIS2 drone, ACSL SOTEN drone, Sooha pipe inspection robot, SEAMS measurement system, and Skydio X10 equipment.
• Custom Development Service (受託開発) Custom software and hardware system development including TRANCITY customization, point cloud system development, robot integration, and bespoke solutions tailored to customer infrastructure needs.

Quantifiable outcome

• 130+ client companies using CalTa services
• +2 more outcomes

Named customers13 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration8 records

AI capability8 records

Feature9 records

Partnerships

18 partnerships are on record, tiered core, important and minor.

• Cesium (Bentley Systems)coreTechnology or Integration · 10 February 2026Cesium provides the 3D geospatial platform technology (CesiumJS and Cesium ion) underlying TRANCITY's map display capabilities. CalTa's TRANCITY Nebula uses Cesium ion and CesiumJS. Cesium founder Patrick Cozzi visited CalTa for digital twin discussions. Featured in Cesium blog case study.
• JR東日本（東日本旅客鉄道）coreStrategic or Co-development Partner · 10 December 2025Parent company and primary strategic partner. JR East founded CalTa as a startup in 2021. Joint development of drone inspection solutions, including transport disruption inspection drones (trial from 2026 autumn). JR East co-exhibits with CalTa at major events. Sponsor of ORIGIN TRANCITY user conference.
• 株式会社キャドセンターimportantTechnology or Integration · 1 June 2025Co-development partner for TRANCITY ARCADE, an experiential content construction service using 3D data from TRANCITY. Joint exhibitor at CEATEC 2025.
• 太平洋コンサルティング株式会社importantStrategic or Co-development Partner · 1 June 2025Pacific Consultants operates the Pacific Consultants Co-Creation Program 2025, an open innovation program. CalTa was selected as one of 6 final startups to collaborate on disaster resilience themes with Pacific Consultants.
• 鐵建建設importantStrategic or Co-development Partner · 1 June 2025Co-development partner for machine guidance technology and tunnel face crack analysis system. Three-party joint development with CalTa, Tetsken Kensetsu, and Mapfor for non-GNSS excavator guidance using auto-detection and portable LiDAR.
• 竹中工委店minorStrategic or Co-development Partner · 1 June 2025Takenaka Corporation conducted demonstration experiments using Boston Dynamics' Spot robot with TRANCITY for construction site surveying and measurement map creation, expanding Spot's use cases to include survey assistance.
• 東京都（X-HUB Tokyo / GlobalXpander Tokyo）importantGTM or Marketing Partner · 1 June 2025Tokyo Metropolitan Government programs supporting CalTa's overseas expansion. X-HUB Tokyo outbound program to Singapore and UK, and GlobalXpander Tokyo for developing countries. First Customer Alliance (公共調達) listing for government procurement access.
• 大阪市minorGTM or Marketing Partner · 1 June 2025Osaka city participation in infrastructure digitalization programs with CalTa, including participation in Tech Osaka Summit 2025.
• 愛知県minorGTM or Marketing Partner · 1 June 2025Aichi Prefecture selected CalTa for the Smart Sustainable City Co-Creation Challenge (Singapore linkage program), collaborating with UACJ on flood control plate process efficiency using digital twins.
• CES / IFA / CEATEC OrganizersimportantGTM or Marketing Partner · 1 June 2025International tech event organizers that provide exhibition platforms for CalTa to showcase TRANCITY to global audiences (CES Las Vegas, IFA Berlin, CEATEC Japan).
• ジェトロ（日本貿易振興機構）minorGTM or Marketing Partner · 1 June 2025JETRO featured CalTa's IFA 2025 exhibition in its international business news, providing coverage and credibility for CalTa's European market entry.
• Liberaware株式会社coreTechnology or Integration · 14 March 2025Liberaware is the developer of the IBIS2 ultra-compact drone used in CalTa's on-site video acquisition services. CalTa and Liberaware co-developed drone-based railway inspection solutions and下水道 (sewer) inspection DX solutions. Liberaware is a key ecosystem partner in the CalTa M42 solution and Project SPARROW. Three-company consortium for railway drone inspection solutions.
• KDDIスマートドローンcoreTechnology or Integration · 14 March 2025KDDI Smart Drone is part of the three-company consortium (CalTa, Liberaware, KDDI Smart Drone) plus railway operators working on railway environment drone inspection solutions. Partnered at EXPO 2025 Osaka-Kansai for Project SPARROW.
• 株式会社マップフォーcoreTechnology or Integration · 1 October 2024Developer of the SEAMS 3D measurement system used in CalTa M42. Mapfor and CalTa jointly offer CalTa M42 for wide-area point cloud data acquisition. The SEAMS backpack/car-mounted LiDAR system enables point cloud collection that CalTa processes on its TRANCITY platform. Joint participation at trade shows.
• MODE, Inc.importantTechnology or Integration · 22 April 2024Silicon Valley-origin AI/IoT company whose BizStack platform combines generative AI and IoT for real-time field reporting. Integrated with TRANCITY for construction and infrastructure management. Joint participation at events and joint development of integrated solutions.
• JR東日本コンサルタンツimportantStrategic or Co-development Partner · 26 June 2023JR East Consultants co-exhibits with CalTa at railway technology events. Partner in IBIS2 and TRANCITY co-development and promotion within the JR East ecosystem.
• UACJminorStrategic or Co-development Partner · 19 June 2023UACJ conducted proof-of-concept experiments using TRANCITY to shorten on-site confirmation time and pursue labor savings for their Mizuyōjin flood control plate product, which requires custom on-site measurements.
• JR東海・JR西区・JR九州・西武鉄道coreStrategic or Co-development Partner · 14 March 2023Five railway operators (JR East, JR Tokai, JR West, JR Kyushu, Seibu Railway) collaborating with the CalTa-Liberaware-KDDI Smart Drone consortium on railway environment drone inspection solutions for safety and productivity improvement.

Scale indicators3 records

Recent moves7 records

Expansion highlights7 records

Direct peers

• OpenSpace: OpenSpace uses AI + 360-degree and smartphone video to create visual records and progress tracking for construction projects — a near-identical capture methodology to CalTa's video-to-3D pipeline. Both sell to general contractors and infrastructure owners seeking remote, automated site documentation.
• Matterport: Matterport is a leading 3D digital twin platform that converts photo/video capture into navigable 3D spaces, with subscription pricing and enterprise/property use cases. CalTa's TRANCITY Nebula mirrors the same 'capture anywhere → 3D model on a map' workflow but targets infrastructure (rail, tunnel, sewer) rather than real estate.
• DroneDeploy: DroneDeploy turns drone and ground imagery into 3D maps, point clouds, and digital twins for construction and infrastructure inspections. CalTa's CalTa M42 point cloud pipeline and Project SPARROW autonomous drone solution compete for the same drone-to-digital-twin workflow in the same enterprise inspection vertical.
• Pix4D: Pix4D provides photogrammetry software that converts drone and smartphone imagery into point clouds and 3D models. CalTa's video-to-3D auto-generation is a direct functional analog aimed at the same infrastructure inspection buyer with a similar 'no specialized hardware required' value proposition.

Broad incumbents

• Bentley Systems (iTwin + Cesium): Bentley owns the Cesium platform that underlies CalTa's TRANCITY Nebula map display and ships its own iTwin infrastructure digital twin offering, making it the most direct large-scale competitor and a strategic upstream dependency simultaneously. Both target engineering and infrastructure owner-operators with digital twin management for assets like rail, road, and utilities.
• Autodesk (Tandem / Forma / BIM 360): Autodesk's Tandem digital twin platform and BIM 360 / Forma construction products compete across the full infrastructure and AEC lifecycle with massive installed bases among CalTa's customer set. Both target owner-operators and contractors seeking BIM/CIM-led facility management.
• Esri (ArcGIS): Esri's ArcGIS is the dominant enterprise geospatial platform, used by most Japanese government and infrastructure operators — the same buyers purchasing TRANCITY. Both compete to be the system of record for spatial asset data with integrated 3D visualization.

Emerging players

• Reconstruct: Reconstruct builds digital twins for facility and infrastructure management from photos, laser scans, and BIM data — overlapping with CalTa's infrastructure owner-operator use cases (rail, port, power). Both pursue predictive maintenance and remote inspection narratives targeting similar buyer personas.
• Nearmap: Nearmap provides frequently updated aerial imagery, 3D content, and AI-derived property and infrastructure insights. Both CalTa and Nearmap sell 3D spatial data products to infrastructure and construction customers, differing mainly in capture modality (drone/robot video vs aerial surveys).

Others

• Mapbox: Mapbox supplies mapping and geospatial visualization infrastructure that, like Cesium, underpins enterprise location-aware applications. Though not a direct digital twin competitor, Mapbox competes for the same foundational slot in enterprise geospatial stacks that Cesium currently occupies beneath TRANCITY Nebula.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/caltan_info
• Facebookfacebook.com/calta.co.jp

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 CalTa