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Surströmming

a concentrated shelf (top 5 take 100% of clicks) — Surströmming doesn't clear our bar today.

Flapen Score

39
Skip it
Market size 14Growth 16Conversion 21Competition 0Returns 100Price range 95Avg price 95Brand share 0Review moat 92Quality gap 83
This niche Category average

Is Surströmming profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Surströmming is a £56K/yr Amazon United Kingdom market (113K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.

Surströmming: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -18.8% over the last 90 days and 1.6% of searches end in a purchase.

£56K

revenue / yr

Units sold / yr2K
Search volume / yr-18.8%113K
Conversion rate1.6%
Avg price£30.05

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

0%

open market share

Brands · sellers4 · 4
Top-5 product click share100%
Open market0%
Avg brand age58 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.2★ — the gap to enter on.

0/100

page quality · 4 products

Sponsored placement25%
New entrants (1y)0· 0 succeeded
Avg rating4.2★
Avg reviews168

Top Surströmming products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

£0£8K£17K£25K£34K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

4 falling

Sellers

4

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

0%

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Surströmming demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume113KCVR1.6%Products4Brands4Top 5 Brands100%OOS Rate2.9%Rating4.2★Reviews168Avg BSR#112
5K3KHoliday '25Spike '26Prime Day '26Nov '25Dec '25Feb '26Mar '26Apr '26May '26Jun '26

Top Surströmming search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • surströmming66K/yr
  • surstromming27K/yr
  • surstromming fermented fish uk9K/yr
  • fermented fish6K/yr
  • surstromming fish4K/yr

What reviews say buyers love and hate about Surströmming

What buyers mention most, as a share of all reviews.

What buyers love

100% of reviews
Baking50%

perfect with a bit of crusty bread

Taste-Overall50%

quite delish

Common Surströmming questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Surströmming 39/100 on Amazon United Kingdom — Skip it. The niche generates £56K/yr across 4 tracked products. Search demand moved -18.8% over the last 90 days.
Surströmming sells for £30.05 on average on Amazon United Kingdom, inside our $15–$100 sweet spot. Listings span £25.21–£33.08. The average incumbent carries 168 reviews — the moat a new listing must climb.