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MonotaRO

eCommerce & Marketplaces · Amagasaki, Japan · Founded 2000

Japanese e-commerce company of industrial supply products based in hyogo, japan MoreLess

In 2000, a gap in the Japanese market for industrial supplies caught the attention of American distributor W.W. Grainger and the Japanese trading house Sumitomo Corporation. They saw that small and mid-sized businesses struggled to efficiently procure maintenance, repair, and operations (MRO) products. This led to the creation of a joint venture, initially named Sumisho Grainger Co., Ltd., with founder Kinya Seto at the helm. The goal was to build an e-commerce platform that simplified ordering these essential items. The company, later renamed MonotaRO, launched its website in 2001 and began to fundamentally change how businesses shop for everything from nuts and bolts to work gloves and cutting tools. By centralizing a massive catalog of items online and offering transparent, fixed pricing, MonotaRO eliminated the need for time-consuming visits to multiple suppliers. The business quickly gained traction, and in December 2006, it went public on the Tokyo Stock Exchange. A pivotal moment arrived in 2009 when W.W. Grainger increased its stake to a majority ownership of 53%, solidifying the strategic partnership. This move demonstrated Grainger's confidence in MonotaRO's model and its potential for growth in the world's second-largest MRO market. Under the leadership of President Masaya Suzuki, who took the role in 2012, the company continued to expand its private-label offerings and enhance its powerful data analytics to better meet customer needs. Today, MonotaRO stands as a dominant force in Japan's B2B e-commerce space, having successfully digitized a traditionally offline industry.

Valuation $5–10B
Revenue $1–5B
Headcount 100–500
Total funding $10–50M
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Company overview

MonotaRO company information

The essential company record, classifications and operating signals in one place.

Status
Acquired
Founded
2000
Headquarters
Amagasaki, Japan
Employees
218
Open positions
1
Dealroom signal
84.3
Investment activity
2 companies · latest May 2023
Capital deployed
$35M
Preferred round
SERIES A
client focusb2cbusiness modelMarketplace & ecommerceindustryMarketing

Valuation & funding

MonotaRO funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
ACQUISITIONExit Jun 2009 $0 W.W. Grainger
LATE VCEquity / VC Jan 2006 $9.2M $37M Sumitomo · Kinya Seto · Grainger
SEEDEquity / VC Mar 2003 $9.3M $49M Sumitomo · Mitsubishi UFJ Capital · SMBC Venture Capital · Grainger
SEEDEquity / VC Feb 2002 $9.9M $39M Mitsubishi UFJ Capital · DBJ Capital · Daiwa Corporate Investment · SMBC Venture Capital
LATE VCEquity / VC Dec 2001 $1.2M $4.6M Undisclosed
LATE VCEquity / VC Aug 2001 Mitsui Global Investment · Sumitomo Corporation of Americas
Showing 6 recorded eventsUnlock the complete deal history →

Financials

Revenue, earnings and profit over time

Reported history and available estimates. Estimated years are marked “E”; sparse fields are left blank rather than inferred.

YearRevenueGrowthEBITDAMarginProfitMargin
2026 $2.9B +14.3% $407M 13.9% $250M 8.5%
2025 $2.6B +15.9% $407M 15.8% $250M 9.7%
2024 $2.2B +13.3% $332M 15% $203M 9.1%
2023 $2B +12.5% $281M 14.4%
2022 $1.7B +19.1% $231M 13.3%
2021 $1.5B +20.6% $204M 14%
2020 $1.2B $164M 13.5%
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

MonotaRO website traffic

Latest recorded traffic for MonotaRO is 36M monthly website visits, down 2.7% over the last three months. MonotaRO's team grew 67.7% over the past year.

Latest monthly visits36M 3-month web change-2.7% 1-year team growth+67.7%
Monthly website visits62 observations · Dec 2018–Jul 2026
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Comparisons

MonotaRO compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

Showing 8 of the closest matchesCompare every metric →

Talent graph

MonotaRO's talent

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Team profiled 4 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

13 investors on MonotaRO's cap table

Sourced from Dealroom's funding and investor records.

Seed 9 investors entered at this stage
Mitsubishi UFJ Capital
DBJ Capital
Daiwa Corporate Investment
SMBC Venture Capital
Sumitomo
Grainger
Sanwa Seimitsu
Nishino Sangyo
Yoshida Sangyo
Series B+ 3 investors entered at this stage
Mitsui Global Investment
Sumitomo Corporation of Americas
Kinya Seto
Other known 1 additional known investor
W.W. Grainger

Global footprint

Where MonotaRO has talent and traffic

Workforce by country
5 countries with
team presence
🇯🇵 Japan80.8%
🇮🇳 India5.3%
🇮🇩 Indonesia4.3%
🇺🇸 United States1.1%
🇨🇳 China1.1%
5 countries shown

In the news

Latest news about MonotaRO

Recent press, funding announcements, and product moves mentioning MonotaRO — open to read from the original sources.

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Market sentiment

What the market is saying about MonotaRO

An AI-synthesized read of the highest-engagement posts about MonotaRO on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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