Tamari
brand-locked demand (top 5 brands take 100% of clicks) — Tamari doesn't clear our bar today.
Flapen Score
Is Tamari profitable on Amazon?
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.
Tamari: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -16.9% over the last 90 days and 20.9% of searches end in a purchase.
£107K
revenue / yr
Who owns the niche?
The top 5 brands hold 100% of demand, so 0% of the market is open.
0%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.
0/100
page quality · 10 products
Top Tamari products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Kikkoman Tamari Gluten Free Soy Sauce 1 L
- Price
- £6.97
- Rating
- 4.6/5
- Reviews
- 1,680
- Age
- 12y ago

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
- Price
- £2.75
- Rating
- 4.8/5
- Reviews
- 12
- Age
- 1y ago

Emma Basic Gluten Free Reduced Salt Soy Sauce 1 Litre | Umami |Reduced Salt |No Additives|
- Price
- £5.35
- Rating
- 4.6/5
- Reviews
- 1,162
- Age
- 5y ago

KIKKOMAN Tamari Gluten Free Soy Sauce 250 ml
- Price
- £2.88
- Rating
- 4.6/5
- Reviews
- 1,303
- Age
- 16y ago

Kikkoman Less Salt Soy Sauce 975 ml Naturally Brewed
- Price
- £7.35
- Rating
- 4.7/5
- Reviews
- 2,200
- Age
- 15y ago
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
- Price
- £2.75
- Rating
- 4.8/5
- Reviews
- 12
- Age
- 1y ago

Yamasa Low Sodium Soy Sauce 1L | Naturally Brewed | 45% Less Salt | Rich Umami Flavor | Ideal for Health-Conscious Cooking
- Price
- £5.59
- Rating
- 4.4/5
- Reviews
- 58
- Age
- 4y ago

Kikkoman Tamari Gluten Free Soy Sauce 1 L
- Price
- £6.97
- Rating
- 4.6/5
- Reviews
- 1,680
- Age
- 12y ago

Kikkoman Less Salt Soy Sauce 975 ml Naturally Brewed
- Price
- £7.35
- Rating
- 4.7/5
- Reviews
- 2,200
- Age
- 15y ago

Kikkoman Soy Sauce 1 Litre Naturally Brewed
- Price
- £5.77
- Rating
- 4.8/5
- Reviews
- 4,045
- Age
- 15y ago
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
- Price
- £2.75
- Rating
- 4.8/5
- Reviews
- 12
- Age
- 1y ago

Kikkoman Tamari Gluten Free Soy Sauce 150ml
- Price
- £5.64
- Rating
- 4.7/5
- Reviews
- 121
- Age
- 3y ago

Yamasa Low Sodium Soy Sauce 1L | Naturally Brewed | 45% Less Salt | Rich Umami Flavor | Ideal for Health-Conscious Cooking
- Price
- £5.59
- Rating
- 4.4/5
- Reviews
- 58
- Age
- 4y ago

Emma Basic Gluten Free Reduced Salt Soy Sauce 1 Litre | Umami |Reduced Salt |No Additives|
- Price
- £5.35
- Rating
- 4.6/5
- Reviews
- 1,162
- Age
- 5y ago

Clearspring Organic Single Strength Japanese Tamari SOYA Sauce 250ml
- Price
- £6.94
- Rating
- 4.5/5
- Reviews
- 112
- Age
- 6y ago
Competition: brands, sellers & click 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%
Tamari demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jan · busiest ÷ quietest = 1.6×
Top Tamari search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- gluten free soy sauce33K/yr
- tamari25K/yr
- low sodium soy sauce6K/yr
- tamari soy sauce7K/yr
- low salt soy sauce4K/yr
- tamari sauce4K/yr
- soy sauce gluten free2K/yr
- kikkoman gluten free soy sauce2K/yr
What reviews say buyers love and hate about Tamari
What buyers mention most, as a share of all reviews.
What buyers love
90% of reviews“Good taste”
“Good value for money”
“the quality has been consistent”
“Great flavour”
“Gluten free”
What buyers complain about
57% of reviews“It is quite salty I think”
“This tub is massive”
“It completely drowns out the flavor of whatever Im cooking”
“Consistency: Very thin and watery”
“very acidic”
Common Tamari questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









