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52

filleting knife

Worth a look

Shows low returns (0.8%), but a small market ($44K/yr) keeps it on the watch list.

Market size 11Growth 46Conversion 33Competition 59Returns 96Price range 75Avg price 77Brand share 63Review moat 73Quality gap 40

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Avg price

Great£15.72

avg listing price — sweet spot $15–$100

Price range

Great£3.38–£49.98

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Good578.96

avg incumbent reviews — the moat a new listing must climb

Brand share

Good67%

top-5 brand share — brands hold most of the demand

Competition

Good50%

top-5 click share — leaders hold, buyers still browse

Growth

Okay+17.1%

90-day search growth — must beat 0% to launch

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.6%

search→purchase rate — share of searches ending in a sale

Market size

Bad£44K

£44K/yr · 107K searches

According to Flapen's Amazon United Kingdom niche tracking, filleting knife is a £44K/yr Amazon United Kingdom market (107K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Dec. Verdict: Worth a look — 52/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

filleting knife market data

Units sold / yr
2K–3K
avg 0–100/product
Revenue / yr
£31K–£39K
units × avg price
Conversion rate
2.6%
Avg BSR
#37
Page quality
0%
Prime
100%
Sponsored
67%
Out of stock
8.9%
Avg brand age
62 months
Avg seller age
180 days

Competition & brand share

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

15

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

50%

Top 20: 94%

Open market

26%

  • SHAN ZU29%
  • nuovva14%
  • Rockingham Forge10%
  • Starrett7%
  • HOSHANHO7%
  • Mercer Culinary6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +17.1% search growth over the last 90 days.
3K2KHoliday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.7×

Top filleting knife search terms

  • filleting knife39K/yr
  • fish filleting knife26K/yr
  • fish knife17K/yr
  • fillet knife12K/yr
  • filleting knife fishing sea6K/yr
  • fish filleting knife with sheath4K/yr
  • fish knife filleting3K/yr
All search terms

Top filleting knife 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%4%£2K8%£3K12%£5K16%£7K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about filleting knife

What buyers praise and complain about, mined from review topics.

What buyers love

Sharpness26%

“Super sharp”

Quality-Overall23%

“top quality knife”

Value For Money20%

“Fair price”

Ease Of Use5%

“ergonomic handle that is comfortable to hold”

Flexibility3%

“Great product the nice flexible”

Gifting Purpose3%

“Elegant Gift Box”

Grip3%

“allows a nice grip”

Weight Light2%

“The knife has an excellent weight”

Durability2%

“Good durable material”

Size-Overall2%

“fitting in nicely”

What buyers complain about

Quality-Overall40%

“Not good worthy even the blade quality is not good to big to hold in pocket”

Product Condition20%

“I RECEIVED A USED KNIFE WHEN SHOULD HAVE BEEN BRAND NEW - TOTAL JUNK”

Strength10%

“A little bit flimsy”

Sharpness5%

“or be difficult to sharpen”

Top return reasons

Size-Overall29%
Sharpness21%
Quality-Overall10%
Advertised Vs Actual Product9%
Handle Quality6%
Shape/Style4%
Compatibility-Overall4%
Product Condition4%
Color4%
Scratch Resistance4%

Common questions

Is filleting knife profitable to sell on Amazon United Kingdom?
The niche generates £44K/yr across 27 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +17.1%. Flapen's verdict: Worth a look (52/100).
How competitive is the filleting knife niche?
18 brands and 15 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in filleting knife?
Top complaints mined from reviews: Quality-Overall, Product Condition, Strength. The return rate is 0.8%.
When does demand for filleting knife peak?
Demand peaks in Dec; the busiest month runs 1.7× the quietest.
What does it cost to enter the filleting knife niche?
Listings span £3.38–£49.98; the average listing price is £15.72 (sweet spot $15–$100). The average incumbent carries 579 reviews — the moat a new listing must climb.