UcarPAC

What UcarPAC does

UcarPAC株式会社 (UcarPAC Co., Ltd.), founded in March 2012 in Tokyo, operates a multi-channel used-vehicle commerce platform built around three core products: UcarPAC (consumer-to-dealer auction service connecting individual sellers with 8,000+ dealer buyers via a single inspection), UcarBID (closed B2B auction platform with 8,500+ registered dealers), and UIS (proprietary iPad-based inspection application that digitizes vehicle assessments into structured data). In August 2023 the company extended this data layer into MAT (Mobility Asset Technology), an AI-powered vehicle price estimation service delivered via API to financial institutions, leasing companies, dealers, and media platforms; the consumer-facing UcarPAC app (January 2025) brings MAT's predictive valuations to a smartphone interface, and スグ売るカー (December 2025) adds a photo-based, no-fee instant buying option.

The company's revenue model is dominated by transaction-based fees: C2C personal trading fees of ¥40,000 per party for vehicles under ¥1M, 4% of vehicle price for ¥1M-¥6M, and ¥240,000 per party above ¥6M; B2B seller closing fees of ¥25,000 per successful UcarBID auction plus optional ¥5,000 buyer negotiation fees; and emerging subscription/usage revenue from the MAT B2B API. Distribution combines direct-to-consumer web/app channels with channel partnerships (Yamada Denki retail chain, gas-station referral network expanded to 100+ locations by September 2016, Premier Group's ~18,000-dealer network) and a recently launched API/integration business targeting enterprise clients. Since service launch in April 2016, UcarPAC has accumulated 20,000+ transactions, expanded nationwide from the Kanto region, and raised approximately ¥490M in disclosed funding (¥155M in March 2016 from SMBC Venture Capital, Riders Publicity, and Japan Policy Finance Corporation; ¥280M in June 2016 from 四条 Investment LPs).

Name

UcarPAC

Legal name

UcarPAC株式会社

Website

https://ucarpac.co.jp

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

11–50 employees

Short description

UcarPAC operates a data-driven Japanese used-car commerce platform combining a consumer-to-dealer auction (UcarPAC), a closed B2B dealer auction (UcarBID), a standardized inspection system (UIS), and the MAT AI valuation API serving financial institutions, leasing companies, dealers, and media.

Ownership category

akta.pro rank

Product category

Used Vehicle Auction Platform

NAICS

Automobile Dealers (4411), Used Car Dealers (44112)

SIC

Retail-Auto Dealers & Gasoline Stations (5500)

akta.pro primary industry

Automotive Vehicles & Parts C2C (CRAFAKAE)

akta.pro secondary industry

Dealer-to-Dealer (B2B) Vehicle Remarketing Networks (TLABAKAB)

Keywords

• Used car auction
• Vehicle marketplace
• Automotive trading platform
• Used vehicle sales
• Car dealer network

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Transaction Fees — CtoC Individual Car Trading: Success-based fees on CtoC (individual-to-individual) vehicle transactions. Fee structure: ¥40,000 per party for vehicles under ¥1M; 4% of vehicle price for vehicles ¥1M-¥6M; ¥240,000 per party for vehicles ¥6M and above. This is the primary revenue stream for the personal trading service.
2. BtoB Auction Success Fees: UcarBID closed auction generates revenue through success-based fees on BtoB vehicle transactions. Fee model includes: ¥25,000 closing fee per successful B-to-B auction sale (seller pays); ¥5,000 negotiation fee for buyers (waived for highest bidder). No listing or monthly subscription fees.
3. MAT B2B API Licensing: Revenue from licensing the vehicle price estimation AI (MAT) to enterprise clients via API, dashboard, or white-label packages. Targets financial institutions, leasing companies, dealers, and media platforms. Sold on a subscription or usage basis.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels5 records

Core offering

UcarPAC operates a data-driven used car transaction platform connecting individual vehicle owners with a nationwide network of 8,500+ registered dealers via competitive online auction. The platform includes a consumer-facing single-inspection car buying service (C2B), a closed B2B dealer auction (UcarBID), a standardized vehicle inspection system (UIS), and an AI-powered vehicle price estimation API (MAT) for enterprise partners.

Product overview

UcarPAC operates a multi-channel used vehicle commerce platform comprising: (1) UcarPAC — the core C2B consumer-to-dealer auction service connecting individual car sellers with over 8,000 dealer buyers via a single inspection; (2) UcarBID — a B2B closed auction platform for dealer-to-dealer vehicle trading; (3) UIS — the proprietary inspection and valuation tool that standardizes vehicle assessments and underpins all services with structured data; (4) MAT — an AI-powered vehicle price estimation service for business partners via API; (5) the UcarPAC smartphone app — enabling consumers to check current and AI-predicted future vehicle values and sell directly into the auction; (6) UcarAUCTION — the fee-free B2B dealer auction sub-brand; (7) C2C personal sales service with Ucar guarantee repair warranty; and (8) スグ売るカー — a no-fee instant buying service. UIS data feeds all services; MAT powers the app's AI predictions; the app feeds vehicles into the auction marketplace.

Differentiator

Problem solved

Functional benefit

Brands

• UcarBID (ユーカービッド): 中古車買取事業者向けクローズド型オークションサイト
• UIS (ユーアイエス)
• MAT (マット)
• スグ売るカー

Products and services

• UcarPAC Consumer Service (C2B) Consumer-to-business used car buying auction service connecting individual car sellers with over 8,000 dealer buyers via a single inspection and competitive bidding. Aimed at consumers selling vehicles, offering transparent pricing, one-time inspection, and no aggressive sales calls.
• UcarBID (B2B Dealer Auction) Closed B2B auction platform enabling used car dealers to bid on consumer-sourced vehicles (CtoB) and trade inventory among dealers (BtoB). Features over 8,500 registered dealer members, success-fee-only pricing, and UIS-powered vehicle inspection data for all listed vehicles.
• MAT (Mobility Asset Technology) AI-powered vehicle price estimation service for business partners, offered via API integration, dedicated assessment site packages, or custom development. Provides real-time market prices and multi-year future value predictions based on UcarPAC's auction transaction big data. Targets financial institutions, leasing companies, dealers, and media platforms.
• UcarPAC App (ユーカーパック アプリ) Smartphone application enabling users to check current and AI-predicted future vehicle market values without registering personal information. Supports up to 3 vehicles, cost simulation, and direct connection to the UcarPAC auction for selling. Integrated with V Point loyalty rewards.
• スグ売るカー (Sugu Uru Car) No-fee instant car buying service where users submit vehicle photos for AI-assisted valuation. No in-person inspection, no store visits, no service fees. UcarPAC handles all documentation and payment.
• C2C Personal Sales (車の個人売買) Peer-to-peer (C2C) vehicle sales platform enabling direct transactions between individuals. Includes third-party vehicle inspection via UIS, document processing support, pre-delivery inspection, and the Ucar guarantee repair warranty.

Quantifiable outcome

• 20,000+ accumulated transactions since April 2016 service launch
• +3 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration9 records

AI capability4 records

Feature4 records

Partnerships

Five partnerships are on record, tiered core and minor.

• Yamada Holdings Co., Ltd. / Yamada Denki Co., Ltd. (株式会社ヤマダホールディングス / 株式会社ヤマダデンキ)coreChannel Partner/ Reseller/ Distributor · 9 April 2025UcarPAC participates in Yamada Holdings' 'Yamada Mobility Business Platform' (YMBP) launched April 2025. Yamada Denki had already been offering 'Yamada no Kuruma Purchase powered by Uucarpac' to Yamada members. UcarPAC provides vehicle price estimation data and auction services to YMBP users.
• CCCMK Holdings Co., Ltd. (CCCMKホールディングス株式会社)coreStrategic or Co-development Partner · 1 April 2025CCCMK Holdings (operator of T-Point/V Point ecosystem) partnered with UcarPAC to enable V Point accumulation through the UcarPAC App. Users earn V Points for checking vehicle market prices and completing purchases through the app.
• Sumitomo Mitsui Card Co., Ltd. (三井住友カード株式会社)coreStrategic or Co-development Partner · 1 April 2025Partnered with UcarPAC and CCCMK Holdings to enable V Point accumulation service in the UcarPAC App. Sumitomo Mitsui Card supports the financial infrastructure behind the V Point system integration.
• Japan Association of New Economy (了新経済連盟)minorOthers · 25 September 2019UcarPAC became a member of the Japan Association of New Economy (JANE) in September 2019. JANE promotes innovation, entrepreneurship, and globalization in Japan's economy through policy advocacy and networking events.
• Premier Group Co., Ltd. (プレミアグループ株式会社)coreChannel Partner/ Reseller/ Distributor · 14 August 2018Premier Group, a listed automotive services company (auto credit, warranty, maintenance) with a network of ~18,000 auto dealers, partnered with UcarPAC in August 2018 to accelerate UcarBID dealership recruitment. Premier Group leverages its dealer network to promote UcarBID as a new sourcing channel for used vehicles.

Scale indicators6 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Auto1 Group SE: European-based online used-car marketplace operator (Autohero retail brand plus B2B platform). Closest international comparable to UcarPAC's C2B + B2B marketplace model. Demonstrates the global potential and capital intensity of scaling a multi-channel used-vehicle platform.
• Goo-net (Proto Corp.): Long-established Japanese used-car information and marketplace portal from Proto Corp. Comparable to UcarPAC's consumer-facing listings/marketplace function. A leading destination for Japanese used-car buyers and a channel through which UcarBID-dealer inventory is indirectly distributed.
• CarSensor (Recruit): Japan's largest used-car listing and marketplace platform operated by Recruit. Directly comparable to UcarPAC's consumer marketplace business — dealers list inventory for consumer discovery. UcarPAC already has a data integration partnership with CarSensor's C-MATCH inventory system, confirming market overlap.
• USS Co., Ltd. Japan's largest used-vehicle physical auto auction house (USS Nagoya, USS Tokyo, etc.), facilitating B2B dealer-to-dealer transactions for millions of vehicles per year. Direct competitor to UcarBID/UcarAUCTION in the B2B auction segment, though operating via physical auction sites rather than UcarPAC's online-only model.
• IDOM Inc. (formerly Gulliver): Listed Japanese used-car retailer operating both physical dealerships and an online purchasing service. Competes with UcarPAC's C2B auction model by offering direct consumer sell-through, though via physical outlets rather than an open dealer-bidding marketplace.
• TAVATA (Toyota Auto Auction / Arai AA): Major Japanese physical auto auction houses including TAVATA and Arai AA, running member-only dealer auctions nationwide. Compete directly with UcarBID/UcarAUCTION for B2B dealer transactions; both formats target the same dealer members competing for the same inventory pool.

Broad incumbents

• Carvana Co. US online used-car retailer pioneering the consumer-direct vehicle commerce model. Demonstrates both the scale potential and execution pitfalls (logistics-heavy model) of a tech-enabled used-car platform. Less directly comparable given different geography and omnichannel retail focus.

Others

• JBA (Japan Automobile Auction Association): Industry body representing Japanese auto auction operators including USS, TAA, and others. UcarPAC is not a member but the association sets industry standards relevant to UcarBID/UcarAUCTION operations and provides competitive context for the broader Japanese auction market.

Emerging players

• Carsome Group: Southeast Asian used-car marketplace with C2B and B2B auction operations. Operates in adjacent Asia-Pacific geography with comparable marketplace/auction business model. Useful comparable for UcarPAC's potential regional expansion path.
• CarNext.com: European used-car B2B and B2C platform backed by Volkswagen. Comparable to UcarPAC's MAT B2B valuation API offering and its broader auction-plus-retail platform model. Less direct competitor geographically but operationally analogous.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/ucarpac

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 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 UcarPAC