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64

flea

Worth a look

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 34Growth 55Conversion 70Competition 81Returns 99Price range 57Avg price 49Brand share 72Review moat 22Quality gap 78

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Competition

Great34%

top-5 click share — an open shelf

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Brand share

Good62%

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

Conversion

Good6.4%

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

Price range

Good£4.85–£28.65

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

Growth

Good+28.2%

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

Avg price

Okay£11.87

avg listing price — sweet spot $15–$100

Market size

Okay£160K

£160K/yr · 209K searches

Review moat

Bad8,859.13

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United Kingdom niche tracking, flea is a £160K/yr Amazon United Kingdom market (209K searches/yr). The top 5 brands hold 62% of demand. Verdict: Worth a look — 64/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

flea market data

Units sold / yr
10K–13K
avg 100–250/product
Revenue / yr
£119K–£148K
units × avg price
Conversion rate
6.4%
Avg BSR
#18
Page quality
0%
Prime
89%
Sponsored
91%
Out of stock
4.4%
Avg brand age
49 months
Avg seller age
169 days

Competition & brand share

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

Brands

19 falling

Sellers

132

Top-5 brand share

62%

Top 20: 100%

Top-5 click share

34%

Top 20: 73%

Open market

30%

  • Advantage15%
  • Bob Martin14%
  • FRONTLINE14%
  • Beaphar10%
  • Johnsons9%
  • Naqua Ltd8%

Demand

Weekly Amazon search volume, last 50 weeks — +28.2% search growth over the last 90 days.
6K4KPrime Day '26Aug '25Oct '25Nov '25Jan '26Mar '26May '26

Top flea search terms

  • flea95K/yr
  • flea treatment66K/yr
  • flee14K/yr
  • fleas6K/yr
  • cat and dog flea treatment5K/yr
  • pet flea treatment3K/yr
  • amazon flea treatment5K/yr
  • dog and cat flea treatment3K/yr
  • extra strong flea treatment9K/yr
  • flee treatment2K/yr
All search terms

Top flea 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%3%£5K6%£10K9%£14K12%£19K1001K10K100K 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 flea

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

What buyers love

Value For Money20%

“much cheaper”

Quality-Overall20%

“Brilliant quality”

Advertised Vs Actual Product16%

“As advertised”

Smell9%

“Neutral smell”

Ease Of Use8%

“Easy to open and apply”

Pet Friendly3%

“Great for all pets”

Spray/Flow3%

“Easy to spray”

Allergies3%

“No irritation of skin”

Strength2%

“Really strong”

Time Taken1%

“Very quick”

What buyers complain about

Functionality-Overall46%

“Doesn't work”

Value For Money11%

“It's expensive”

Allergies8%

“Itching”

Smell4%

“It does smell a bit chemical”

Quality-Overall4%

“Absolute garbage”

Spray/Flow3%

“bug spray”

Durability3%

“Doesnt last long”

Strength3%

“Very weak product”

Advertised Vs Actual Product2%

“misleading product information”

Pest/Insect Control2%

“Killed thousands of worms”

Top return reasons

Functionality-Overall26%
Leak-Proof16%
Spray/Flow15%
Advertised Vs Actual Product12%
Value For Money4%
Size-Overall4%
Compatibility-Overall3%
Material Quality2%
Ingredients-Overall2%
Instructions/User Manual/Troubleshooting2%

Common questions

Is flea profitable to sell on Amazon United Kingdom?
The niche generates £160K/yr across 53 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +28.2%. Flapen's verdict: Worth a look (64/100).
How competitive is the flea niche?
19 brands and 132 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 62% of demand.
What do buyers complain about in flea?
Top complaints mined from reviews: Functionality-Overall, Value For Money, Allergies. The return rate is 0.1%.
What does it cost to enter the flea niche?
Listings span £4.85–£28.65; the average listing price is £11.87 (sweet spot $15–$100). The average incumbent carries 8,859 reviews — the moat a new listing must climb.