---
title: "Tamari — £107K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/tamari"
last_updated: "2026-07-31T13:19:31.945Z"
locale: en
meta:
description: "Niche score 34/100 · £107K/yr market · 83K searches/yr · £6.21 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · £107K/yr market · 83K searches/yr · £6.21 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Tamari — £107K/yr Amazon UK Niche (2026) - Flapen"
---
# **tamari**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 26Growth 17Conversion 100Competition 12Returns 100Price range 0Avg price 17Brand share 0Review moat 61Quality gap 22
**Conversion**
**Incredible****20.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****1,076.4**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****£107K**
£107K/yr · 83K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-16.9%**
90-day search growth — must beat 0% to launch
**Avg price**
**Bad****£6.21**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****86%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****£2.75–£12.90**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, tamari is a £107K/yr Amazon United Kingdom market (83K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan. Verdict: Skip it — 34/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **tamari market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **£93K–£124K**
- units × avg price
- **Conversion rate**
- **20.9%**
- **Avg BSR**
- **#25**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **60%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **78 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **—flat
**Sellers**
**39**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**86%**
Top 20: 100%
**Open market**
**0%**
- Kikkoman66% - Yutaka14% - Emma Basic11% - Clearspring6% - Yamasa3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -16.9% search growth over the last 90 days.
2K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/uk/grocery/tamari/trend)
## **Top tamari search terms**
- **gluten free soy sauce**33K/yr-18.0%21.1% conv. - **tamari**25K/yr-3.1%16.1% conv. - **low sodium soy sauce**6K/yr-27.0%10.8% conv. - **tamari soy sauce**7K/yr-42.6%16.4% conv. - **low salt soy sauce**4K/yr-9.9%13.8% conv. - **tamari sauce**4K/yr-24.8%14.2% conv. - **soy sauce gluten free**2K/yr-3.1%21.3% conv. - **kikkoman gluten free soy sauce**2K/yr-29.9%22.4% conv. [**All search terms **](https://flapen.com/research/uk/grocery/tamari/search-terms)
## **Top tamari products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%£16K30%£32K45%£48K60%£64K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Kikkoman Tamari Gluten Free Soy Sauce 1 L**Kikkoman**£6.97**4.6★1,680 rev](https://www.amazon.co.uk/dp/B01CQE03RM) [2**Yutaka Organic Tamari Soy Sauce 150ml | Naturally Brewed Japanese Soy Sauce | Premium Gluten-Free & Vegan Seasoning | Rich Umami Flavor for Sushi Stir-Fries Marinades & Dressings**Yutaka**£2.75**4.8★12 rev](https://www.amazon.co.uk/dp/B0FFH2GNJD) [3**Emma Basic Gluten Free Reduced Salt Soy Sauce 1 Litre | Umami |Reduced Salt |No Additives|**Emma Basic**£5.35**4.6★1,162 rev](https://www.amazon.co.uk/dp/B08NM63SWZ) [4**KIKKOMAN Tamari Gluten Free Soy Sauce 250 ml**Kikkoman**£2.88**4.6★1,303 rev](https://www.amazon.co.uk/dp/B00519B0XQ) [5**Kikkoman Less Salt Soy Sauce 975 ml Naturally Brewed**Kikkoman**£7.35**4.7★2,200 rev](https://www.amazon.co.uk/dp/B004SGTTI6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Yutaka Organic Tamari Soy Sauce 150ml | Naturally Brewed Japanese Soy Sauce | Premium Gluten-Free & Vegan Seasoning | Rich Umami Flavor for Sushi Stir-Fries Marinades & Dressings**Yutaka**£2.75**12 rev1y ago](https://www.amazon.co.uk/dp/B0FFH2GNJD) [**Kikkoman Tamari Gluten Free Soy Sauce 150ml**Kikkoman**£5.64**121 rev3y ago](https://www.amazon.co.uk/dp/B0BBKXQKKC) [**Yamasa Low Sodium Soy Sauce 1L | Naturally Brewed | 45% Less Salt | Rich Umami Flavor | Ideal for Health-Conscious Cooking**Yamasa**£5.59**58 rev4y ago](https://www.amazon.co.uk/dp/B09C6KYCZ6) [**Emma Basic Gluten Free Reduced Salt Soy Sauce 1 Litre | Umami |Reduced Salt |No Additives|**Emma Basic**£5.35**1,162 rev5y ago](https://www.amazon.co.uk/dp/B08NM63SWZ) [**Clearspring Organic Single Strength Japanese Tamari SOYA Sauce 250ml**Clearspring**£6.94**112 rev6y ago](https://www.amazon.co.uk/dp/B07WY82MZF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Yutaka Organic Tamari Soy Sauce 150ml | Naturally Brewed Japanese Soy Sauce | Premium Gluten-Free & Vegan Seasoning | Rich Umami Flavor for Sushi Stir-Fries Marinades & Dressings**Yutaka**£2.75**4.8★**▲ 147%**](https://www.amazon.co.uk/dp/B0FFH2GNJD) [**Yamasa Low Sodium Soy Sauce 1L | Naturally Brewed | 45% Less Salt | Rich Umami Flavor | Ideal for Health-Conscious Cooking**Yamasa**£5.59**4.4★**▲ 19%**](https://www.amazon.co.uk/dp/B09C6KYCZ6) [**Kikkoman Tamari Gluten Free Soy Sauce 1 L**Kikkoman**£6.97**4.6★**▲ 17%**](https://www.amazon.co.uk/dp/B01CQE03RM) [**Kikkoman Less Salt Soy Sauce 975 ml Naturally Brewed**Kikkoman**£7.35**4.7★**— 8%**](https://www.amazon.co.uk/dp/B004SGTTI6) [**Kikkoman Soy Sauce 1 Litre Naturally Brewed**Kikkoman**£5.77**4.8★**▼ 10%**](https://www.amazon.co.uk/dp/B005E9VL28)
**~~View all trending →~~**
## **What buyers say about tamari**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**23%
*“Good taste”*
**Value For Money**20%
*“Good value for money”*
**Quality-Overall**16%
*“the quality has been consistent”*
**Flavor**11%
*“Great flavour”*
**Nutritional Content**6%
*“Gluten free”*
**Salt Content**5%
*“Not too salty”*
**Advertised Vs Actual Product**3%
*“As expected”*
**Vegan/Organic**2%
*“Gluten free as well”*
**Spiciness**2%
*“Best soy sauce you can get”*
**Ingredients-Overall**2%
*“no additives unlike most other brands”*
### **What buyers complain about **
**Salt Content**29%
*“It is quite salty I think”*
**Size-Overall**6%
*“This tub is massive”*
**Flavor**5%
*“It completely drowns out the flavor of whatever Im cooking”*
**Thickness**5%
*“Consistency: Very thin and watery”*
**Sour**4%
*“very acidic”*
**Nutritional Content**4%
*“Why isn't all soy sauce Gluten free”*
**Dilute/Watery**3%
*“Very thin and watery”*
**Taste-Overall**1%
*“it just makes everything taste like a salt-lick”*
## **Common questions**
- **Is tamari profitable to sell on Amazon United Kingdom?**
- The niche generates £107K/yr across 10 tracked products. 90-day search growth is -16.9%. Flapen's verdict: Skip it (34/100).
- **How competitive is the tamari niche?**
- 5 brands and 39 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in tamari?**
- Top complaints mined from reviews: Salt Content, Size-Overall, Flavor. The return rate is 0.0%.
- **When does demand for tamari peak?**
- Demand peaks in Jan; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the tamari niche?**
- Listings span £2.75–£12.90; the average listing price is £6.21 (sweet spot $15–$100). The average incumbent carries 1,076 reviews — the moat a new listing must climb.
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