Engineering Email List in Japan

SphereScout lists 1,400+ engineering consultants in Japan (October 2026 snapshot). Of these, 280+ (19.9%) have an email address, 1,300+ (92.6%) have a phone number, 1,000+ (77%) have a website, and 75 (5.3%) have a mobile number.

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300+ Email addresses · CSV/Excel

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Last update: October 2026File type: CSV/Excel

How many engineering consultants are there in Japan?

Source: SphereScout Data Lab, snapshot of October 27, 2026. About this data

SphereScout indexes 1,000+ public business listings categorized as Engineering Consultants in Japan. 200+ businesses (19.9%) have at least one email address; 1,000+ (92.6%) have at least one phone number. 70+ (5.3%) have a mobile number.

Where these listings are concentrated

Tokyo To300+23% of this dataset
Osaka Fu100+9.2% of this dataset
Aichi Ken90+6.8% of this dataset
Kanagawa Ken80+5.9% of this dataset
Fukuoka Ken50+4.1% of this dataset
Chiba Ken50+3.9% of this dataset
Saitama Ken40+3.4% of this dataset
Hokkaido40+3.3% of this dataset

Show all 47 regions

Hyogo Ken40+ (3.3%)
Hiroshima Ken30+ (2.3%)
Ibaraki Ken30+ (2.2%)
Miyagi Ken30+ (2.2%)
Shizuoka Ken20+ (1.9%)
Shimane Ken20+ (1.8%)
Niigata Ken20+ (1.5%)
Gifu Ken10+ (1.3%)
Nagano Ken10+ (1.3%)
Okayama Ken10+ (1.3%)
Fukushima Ken10+ (1.3%)
Tottori Ken10+ (1.3%)
Gumma Ken10+ (1.2%)
Tochigi Ken10+ (1.2%)
Kyoto Fu10+ (1.1%)
Ehime Ken10+ (1%)
Iwate Ken10+ (0.9%)
Kumamoto Ken10+ (0.8%)
Okinawa Ken10+ (0.8%)
Aomori Ken10+ (0.8%)
Oita Ken10+ (0.8%)
Mie Ken10+ (0.7%)
Yamaguchi Ken10+ (0.7%)
Yamanashi Ken9 (0.6%)
Kagawa Ken8 (0.6%)
Nagasaki Ken8 (0.6%)
Shiga Ken8 (0.6%)
Toyama Ken8 (0.6%)
Wakayama Ken8 (0.6%)
Kochi Ken7 (0.5%)
Ishikawa Ken6 (0.4%)
Yamagata Ken6 (0.4%)
Akita Ken5 (0.4%)
Saga Ken4 (0.3%)
Kagoshima Ken3 (0.2%)
Miyazaki Ken3 (0.2%)
Nara Ken3 (0.2%)
Tokushima Ken3 (0.2%)
Fukui Ken2 (0.1%)

Public business listings: 1,000+
Businesses with email: 200+ (19.9%); 300+ email addresses in total. Some businesses list several.
Businesses with phone: 1,000+ (92.6%); 2,500+ phone numbers in total. Some businesses list several.
Businesses with a mobile phone: 70+ (5.3%); 70+ mobile numbers and 2,500+ landlines in total.

These figures describe SphereScout's current coverage of public business listings in Japan. They are not an official count of every business or licensed professional. Records marked permanently closed are excluded.

Sample Preview

Preview the exact data you'll receive.

Company	Location	Phone	Email
佑エンジニアリング(株)	Maebashi, Gumma Ken	81 2 50	i*@y*.com
株式会社スホ	Shinjuku, Tokyo To		c*@s*.com
Araki Engineering	Akishima, Tokyo To	81 4 30	e*@k*.jp
Aim Nagoya Head Office	Nakamura, Aichi Ken	81 5 16	p*@a*.jp
株式会社羽藤防災	Kita, Osaka Fu	81 6 86	a*@a*.jp
（有）オリエンジニアリング	Fujisawa, Kanagawa Ken	81 4 22	o*@j*.jp
（株）セキ土木設計	Ojiya, Niigata Ken	81 2 87	s*@s*.jp
株式会社スターラップ・テクノロジー	Sawara, Fukuoka Ken	81 9 16	i*@s*.jp
（株）エフシーアール	Kita, Osaka Fu	81 6 13	y*@f*.jp
（株）かんこう神戸支店	Chuo, Hyogo Ken	81 7 30	r*@k*.jp
300+ more contacts

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Need more than this list? Japan Business Email List: 485,000+ businesses with emails across 19 industries.

How SphereScout prepares this business contact CSV

SphereScout turns public business profiles into a category-and-location export. The process uses the business categories shown in the current page breakdown and keeps official registers, classifications, licences, and inspections separate from the file.

Match the displayed business categories
SphereScout selects public business profiles matching the categories shown in the current page breakdown. These labels define the file's scope but do not replace official activity codes or authorizations.
Structure available public details
SphereScout organizes the available business name, category, location, website, email, phone, and public profile fields, then normalizes and deduplicates contact values for export.
Publish coverage and deliver the CSV
SphereScout refreshes public business profiles regularly, publishes the latest collection date and available coverage totals, and delivers the selected records as a structured CSV.

See collection timing and source methodology

Using business contacts in Japan

A published or purchased address is not blanket permission for advertising email. Japan's Act on Regulation of Transmission of Specified Electronic Mail is consent-led and identifies prior request or consent, an existing business relationship, and limited statutory exceptions. Commercial messages must carry the required sender information and must stop after a refusal. Personal information remains subject to the APPI.

Read Japan's official commercial-email law and APPI materials

Keep recipient-level evidence of the request, consent, business relationship, or specific exception relied on before sending advertising email.
Do not infer consent from a public listing, custom domain, role inbox, or purchased spreadsheet.
Display the required advertising designation, sender name and address, and a valid email address for refusal as applicable.
Stop sending after the recipient asks not to receive the advertising email and maintain a suppression list.
When a contact identifies a person, define and disclose the utilization purpose, limit use to that purpose, and apply appropriate APPI safeguards.
Validate that the business, operating company, geography, and offer are relevant before choosing email, telephone, or another channel.
The commercial-email rules do not grant permission for indiscriminate calls. Identify the caller and purpose, contact at reasonable times, keep the offer relevant, apply the APPI when a number identifies a person, and suppress further calls after an objection.

Classify the contact route before outreach

Evidence

Treatment

Consent or relationship evidenced

EvidenceA retained request or consent record, an existing business relationship, or another documented statutory basis for the intended advertising message.

TreatmentSend within the evidenced scope, include the required sender information and refusal route, and preserve the evidence.

Public business route only

EvidenceThe address or number appears on a business profile, but there is no evidence that the recipient requested or consented to advertising email.

TreatmentUse the profile for qualification. Do not treat publication alone as email consent; obtain permission or use a lawful alternative channel.

Identity or source unresolved

EvidenceThe domain, business, operating company, recipient, source context, or current status cannot be confirmed.

TreatmentValidate or exclude the record before contact. A Corporate Number match does not establish control of a branch inbox or permission to message it.

Frequently Asked Questions

How many engineering consultants in Japan have an email address?

280+ of the 1,400+ businesses (19.9%) list at least one email address. 1,300+ (92.6%) have a phone number.

Where are most engineering consultants in Japan located?

Tokyo To (320+, 23%), Osaka Fu (130+, 9.2%), and Aichi Ken (97, 6.8%) have the most listings: together 39% of the 1,400+ businesses.

Can I get the list of engineering consultants in Japan for just one region?

Yes. The ready-made file covers all 1,400+ businesses. For a single region, create an account and build a custom list filtered by region: Tokyo To alone has 320+ of them (23%).

How many engineering consultants in Japan have a website?

1,000+ of the 1,400+ businesses (77%) list a website. Businesses without an email address can often be contacted through their site.

How up to date is the list of engineering consultants in Japan?

The figures come from the SphereScout snapshot of October 27, 2026. Counts are recalculated every week.

Are the phone numbers mobile?

Some are. 75 businesses (5.3%) have a mobile number. The list has 77 mobile numbers and 2,700+ landlines in total, in a separate Mobile Phones column.

Engineering Consultants by country

SphereScout lists Engineering Consultants in 38 countries. Largest market: United States (27,000+ public business listings).

Country	Public business listings	Businesses with email	Businesses with phone
United States	27,000+	14,000+(50.6%)	26,000+(95.8%)
Brazil	14,000+	4,000+(28.7%)	14,000+(94.9%)
France	13,000+	7,000+(54.2%)	12,000+(95.2%)
Germany	8,000+	200+(3.4%)	7,000+(87.8%)
Türkiye	7,000+	2,500+(35.9%)	6,500+(90.5%)
United Kingdom	6,500+	3,500+(51.8%)	6,000+(90.7%)
Canada	6,500+	3,000+(51.5%)	6,000+(94.8%)
Australia	6,000+	3,500+(56.4%)	5,500+(93.5%)
Netherlands	4,000+	1,500+(46.8%)	3,500+(93%)
Spain	4,000+	1,500+(39.7%)	3,500+(93.9%)
Italy	3,000+	1,500+(48.9%)	2,500+(91%)
Saudi Arabia	2,500+	600+(26.5%)	2,000+(90.8%)
United Arab Emirates	2,000+	900+(37.9%)	2,000+(92.7%)
Poland	1,500+	700+(44.7%)	1,500+(91.4%)
Japan(this page)	1,000+	200+(19.9%)	1,000+(92.6%)
Belgium	1,000+	800+(60.5%)	1,000+(90%)
Sweden	1,000+	700+(55.8%)	1,000+(91.6%)
Thailand	1,000+	300+(27.2%)	1,000+(90.1%)
Denmark	1,000+	600+(56.5%)	1,000+(93.8%)
Switzerland	1,000+	400+(42.9%)	900+(90.7%)
New Zealand	1,000+	500+(53.3%)	1,000+(95.1%)
Hungary	1,000+	500+(48%)	900+(90.9%)
Ireland	800+	400+(45.5%)	800+(93.7%)
Finland	800+	500+(59.7%)	800+(94.4%)
Argentina	700+	100+(24.7%)	600+(92.1%)
Portugal	700+	400+(57.1%)	600+(89%)
Austria	600+	300+(51.7%)	600+(90.9%)
Romania	600+	200+(33.1%)	600+(93.1%)
Greece	500+	100+(28.8%)	500+(95.1%)
Norway	500+	200+(53%)	500+(93.8%)
Oman	400+	90+(21%)	300+(88.7%)
Israel	400+	100+(40.1%)	400+(96.1%)
Qatar	300+	100+(32.5%)	200+(90.9%)
Serbia	200+	100+(47.2%)	100+(89.3%)
Bulgaria	100+	100+(52.8%)	100+(96%)
Slovakia	100+	90+(51.1%)	100+(93.5%)
Croatia	100+	70+(44.5%)	100+(87.3%)
Estonia	100+	70+(63%)	100+(90.8%)

Counts come from the latest SphereScout snapshot for each country. They describe public business listings, not an official count of every business.

Engineering Email List in Japan

How many engineering consultants are there in Japan?

Where these listings are concentrated

Sample Preview

Choose your purchase option

Ready-to-use CSV for this business type

Build your custom list with an account

Get the Complete Database

How SphereScout prepares this business contact CSV

Match the displayed business categories

Structure available public details

Publish coverage and deliver the CSV

Using business contacts in Japan

Classify the contact route before outreach

Frequently Asked Questions

Engineering Consultants by country

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