Brand page · Clothing · Hong Kong SAR China
Koisea: 33.2k visits a month, 6 active Meta ads, Gravity score 464.
Koisea — Koisea is a premium Japanese heritage brand specializing in authentic Sukajan Souvenir Jackets, traditional embroidery, and contemporary streetwear clothing. In September 2026 koisea.com drew an estimated 33.2k visits, down 10% on the month before. It ranks #3,833 of 97,158 Clothing brands in Hong Kong SAR China and holds a 3.6 Trustpilot rating over 13 reviews.
Updated Traffic Sept 2026Meta ads 7 Oct 2026Google ads 21 Oct 2026Instagram Sept 2026Trustpilot Oct 2026Catalogue Oct 2026Gravity score 2 Nov 2026
Gravity score
Percentiles within 151 peers: Clothing brands in Hong Kong SAR China with 30K–100K monthly visits. Recomputed nightly, last on 2 Nov 2026.
About the store
Koisea is a premium Japanese heritage brand specializing in authentic Sukajan Souvenir Jackets, traditional embroidery, and contemporary streetwear clothing.
01 · Traffic
How much traffic Koisea gets.
The traffic card of the Gravity brand page: the latest month and its two trends. The monthly curve, 24 months of history, the audience by country, the traffic sources and the category comparison are for members, free to start.
Koisea drew an estimated 33.2k visits in September 2026, down 10% on the month before and down 28% over three months.
- Worldwide#241,644of 4.5m sites · Top 10%
- In United States#75,748of 1.2m sites · Top 10%
- Clothing, worldwide#23,000of 459,295 brands · Top 10%
- Clothing, United States#3,833of 97,158 brands · Top 5%
33.2k
estimated visits in September
1 mo ▼ −9.8%4 mo ▼ −27.9%
The monthly curve, 24 months of history and the category comparison.
Create your free account02 · Reviews
What customers say about Koisea.
The review cards of the Gravity brand page: the Trustpilot page, with its star distribution and the brand's tiers against the index, and the Google reviews. The TrustScore history and the review velocity against the category are for signed-in members.
Koisea holds 3.6 out of 5 on Trustpilot over 13 reviews, 3 of them in the last twelve months: 54% of customers give five stars and 31% one star.
Clothing Store Men's Clothing Store Printed Clothing Store Outerwear Store Streetwear Store Women's Clothing Store
Data not available
Review velocity, TrustScore history and the category comparison are on the Gravity brand page.
03 · Products
What Koisea sells, ranked by sales.
The top three products in the catalogue, in the store's own best-seller order, with price and stock. The full catalogue, the rankings over time and the ads that lead to each product are for signed-in members.
Koisea sells on Shopify, 99% of its catalogue in stock. The best seller is Four Legendary Creatures Sukajan Souvenir Jacket, at HK$1,413.00, followed by Phoenix Sukajan Souvenir Jacket and Double Dragon & Phoenix Sukajan Souvenir Jacket.
#1Four Legendary Creatures Sukajan Souvenir JacketKoiseaHK$1,413.00In stock
#2Phoenix Sukajan Souvenir JacketKoiseaHK$1,178.00In stock
#3Double Dragon & Phoenix Sukajan Souvenir JacketKoiseaHK$1,413.00In stock- +View all productsRankings over time, ratings, stock and the ads that lead to each product. Free account.Sign in to Gravity
Share of the catalogue by product family.
The dominant category places Koisea in its comparison group.
- Average rating
- 4.90 / 5
- Rated products
- 99% of the catalogue
- In stock
- 99%
- Upper price quartile
- US$128.06
- Currency
- HKD
04 · Ads
What Koisea is advertising right now.
Meta and Google ads, as the Gravity brand page shows them; the blurred ones are placeholders. Every creative, how long it ran, its EU reach and the estimated monthly spend band are for signed-in members.
Koisea runs Meta ads on Facebook, Instagram, Messenger, Audience Network, Threads, and has advertised on Google since August 2022 (image, text, video).
Red Phoenix Sukajan Souvenir JacketKoisea21 Jun 2026image
Japanese Style ClothingKoisea28 Apr 2026image
Sukajan Souvenir Bomber Jackets - Japanese StyleKoisea23 Apr 2026image- +View all Meta adsReach per ad, how long each creative ran, and the estimated monthly spend band. Free account.Sign in to Gravity
Text ad21 Oct 2026DCH EXQUISITE LIMITEDverified
Text ad21 Oct 2026DCH EXQUISITE LIMITEDverified
Text ad21 Oct 2026DCH EXQUISITE LIMITEDverified
- +View all Google adsFormats, first and last seen, and the keywords the brand bids on. Free account.Sign in to Gravity
05 · Influencers
Who talks about Koisea.
The creators who tag @koisea.co on Instagram, found by Gravity by Benchr in their posts. One is shown here; the full list, the audiences and the contact details are for signed-in members.
Gravity has not found creators tagging this brand on Instagram yet.
Gravity has not found creators tagging this brand on Instagram yet.
06 · Competitors according to Gravity
Who Koisea competes with, by the numbers.
Gravity picks competitors from the index itself: same category, same market, similar size. The closest are named here; their figures, the full list and the side-by-side comparison are for subscribers.
Gravity by Benchr finds competitors for Koisea among Clothing brands in Hong Kong SAR China. The closest is DETERMINANT, then Chanyarn, Iki Apparel, KALVERO, Karaku, GROCERY.
| Brand | Similarity | Gravity score | Est. traffic | Trustpilot | Meta ads | Products | |
|---|---|---|---|---|---|---|---|
| DETERMINANTshop.detshirts.com | |||||||
| Chanyarnchanyarn.com | |||||||
| Iki Apparelikiapparel.jp | |||||||
| KALVEROkalvero.com | |||||||
| Karakushopkaraku.com | |||||||
| GROCERYgrogrocery.com |
07 · Company
The company behind Koisea.
Legal entity, funding and distribution, as the Company tab of the Gravity brand page shows them. Where Gravity has nothing on file, the line says so rather than disappearing.
Koisea is a company based in Fo Tan, Hong Kong SAR China, on a domain registered in December 2017.
- Legal name
- Data not available
- Registration no.
- Data not available
- VAT
- Data not available
- Legal form
- Data not available
- Entity country
- 🇭🇰 Hong Kong SAR China · Fo Tan
- Founded
- Data not available
- Domain registered
- 7 Dec 2017
- Share capital
- Data not available
- Status
- Data not available
- President
- Data not available
- Activity code
- Data not available
- Employees
- Data not available
- Funding stage
- Data not available
- Total raised
- Data not available
- Investors
- Data not available
- VC-backed
- Data not available
- Own store
- koisea.com · Shopify · USD
- Catalogue
- 7 collections
- Retailers
- None recorded
- Open jobs
- None recorded
08 · What people ask about Koisea
What people ask Google about Koisea.
11 answers built from the data on this page, each one sourced to Gravity by Benchr, which say so when we don't know.
Is Koisea legit?
According to Gravity by Benchr, Koisea is a brand based in Fo Tan, Hong Kong SAR China: its website has existed since December 2017, it sells on a Shopify store, it has 106,950 Instagram followers. Those are the marks of an established brand, not a pop-up shop. Source: Gravity by Benchr brand index, November 2026.
Koisea reviews: is it worth it?
Customers rate Koisea 3.6 out of 5 on Trustpilot over 13 reviews, 3 of them in the last twelve months: 54% give five stars, 31% one star. Source: Gravity by Benchr Trustpilot reading, October 2026.
What is Koisea?
Koisea is a premium Japanese heritage brand specializing in authentic Sukajan Souvenir Jackets, traditional embroidery, and contemporary streetwear clothing. Gravity by Benchr classifies it under Clothing, with Apparel & Accessories making up 17% of the catalogue. Source: Gravity by Benchr product classification, October 2026.
How much does Koisea cost?
Koisea's best seller, Four Legendary Creatures Sukajan Souvenir Jacket, sells HK$1,413.00 on koisea.com. 99% of the catalogue is in stock. Gravity does not track prices daily: check koisea.com before buying. Source: Gravity by Benchr catalogue reading, October 2026.
Koisea promo code
Gravity by Benchr does not collect discount codes. What Gravity observes: Koisea advertises on Facebook and Instagram and on Google, where its offers often run. Check koisea.com for current promotions. Source: Gravity by Benchr ad records, October 2026.
Where can I buy Koisea?
Koisea sells on its own website, koisea.com, a Shopify store. Gravity by Benchr lists no retailer or marketplace for the brand. Source: Gravity by Benchr retailer data, November 2026.
Who is behind Koisea?
Gravity by Benchr records a company based in Fo Tan, Hong Kong SAR China, whose domain was registered in 2017. Gravity publishes no personal data about founders. Source: Gravity by Benchr company records, November 2026.
Is Koisea doing well?
Not at the moment. Gravity by Benchr estimates about 33,200 visits to koisea.com in September 2026, down 10% in a month and down 28% over three months. Koisea ranks #3,833 of 97,158 Clothing brands in Hong Kong SAR China in the Gravity index. Source: Gravity by Benchr estimated traffic, September 2026.
Which platform and tools does Koisea use?
Gravity by Benchr identifies koisea.com as a Shopify store (standard plan, not Shopify Plus), selling in USD. It advertises through Meta and on Google since August 2022. Source: Gravity by Benchr platform and advertising records, November 2026.
How much does Koisea spend on Meta ads?
Gravity by Benchr does not publish a spend figure for Koisea on this page. What Gravity observes: an active Meta advertiser, on Facebook, Instagram, Messenger, Audience Network, Threads. The estimated monthly spend band, derived from the EU reach of each ad, is on the Gravity brand page. Source: Gravity by Benchr Meta Ad Library records, October 2026.
Who are the biggest Clothing brands in Hong Kong SAR China?
Among Clothing brands in Hong Kong SAR China in the Gravity by Benchr index, Koisea ranks #3,833 of 97,158 by estimated traffic. Its closest competitors on the same market are DETERMINANT, Chanyarn, Iki Apparel, KALVERO and Karaku. Source: Gravity by Benchr competitor analysis, same category, same market, similar size, November 2026.
Category
Gravity by Benchr indexes more than 4 million e-commerce brands across 150 countries. Figures on this page are estimates, updated monthly; the Gravity score is recomputed nightly. Not affiliated with Koisea.