tuna
Worth a lookShows searches that convert (21.4% search→purchase), but pricing outside the sweet spot ($6.14 avg) keeps it on the watch list.
Conversion
Incredible21.4%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Review moat
Great367.59avg incumbent reviews — the moat a new listing must climb
Market size
Great£1.0M£1.0M/yr · 796K searches
Growth
Okay+10.1%90-day search growth — must beat 0% to launch
Price range
Okay£1.82–£22.50cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Brand share
Bad92%top-5 brand share — brand-locked demand
Avg price
Bad£6.14avg listing price — sweet spot $15–$100
According to Flapen's Amazon United Kingdom niche tracking, tuna is a £1.0M/yr Amazon United Kingdom market (796K searches/yr). The top 5 brands hold 92% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
tuna market data
- Units sold / yr
- 200K–250K
- avg 10,000–12,500/product
- Revenue / yr
- £1.2M–£1.5M
- units × avg price
- Conversion rate
- 21.4%
- Avg BSR
- #165
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 35%
- Out of stock
- 0.0%
- Avg brand age
- 72 months
- Avg seller age
- 159 days
Competition & brand share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
8 falling
Sellers
74
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
66%
Top 20: 100%
Open market
5%
- John West40%
- Princes29%
- OfficeXpress Europe13%
- Rio Mare6%
- by Amazon4%
- AHG Investment3%
- Open — no brand owns it (2 brands, 5%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +10.1% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top tuna search terms
- tuna487K/yr
- tuna in spring water132K/yr
- tun38K/yr
- tuna in sunflower oil31K/yr
- tinned tuna21K/yr
- john west18K/yr
- canned tuna15K/yr
- john west tuna13K/yr
- tuna chunks4K/yr
- tuna fish5K/yr
Top tuna 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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Princes Tuna Chunks in Spring Water 145 g (Pack of 4)
Princes£4.164.6★1,303 rev
John West Tuna Chunks in Spring Water Easy Open 4 Cans x 125 g
John West£4.274.6★178 rev
Morrisons Fad Free Tuna Chunks In Sunflower Oil 4 X 145G
OfficeXpress Europe£3.124.6★1,147 rev
Princes Tuna Chunks in Brine Pack 145 g (Pack of 4)
Princes£4.124.6★1,026 rev
John West No Drain Tuna Chunks in Sunflower Oil 3 x 100g
John West£3.654.7★96 rev
Newest
by launch date
by Amazon MSC Skipjack Tuna Chunks in Tomato Sauce 4x145g
by Amazon£3.22276 rev
John West Tuna Chunks in Spring Water Easy Open 4 Cans x 125 g
John West£4.27178 rev
John West No Drain Tuna Chunks in Sunflower Oil 3 x 100g
John West£3.6596 rev
John West No Drain Tuna Chunks in Springwater 3 x 100g
John West£3.6676 rev
John West Tuna Chunks in Brine Easy Open 4 Cans x 125 g
John West£4.26153 rev
Trending
90-day click momentumby Amazon MSC Skipjack Tuna Chunks in Tomato Sauce 4x145g
by Amazon£3.224.7★
John West No Drain Tuna Chunks with A Little Spring Water 3 x 100g
John West£3.594.2★
Morrisons Yellow Fin Tuna Steaks 225g (Frozen)
Morrisons£4.604.3★
Rio Mare Insalatissime Corn and Tuna Salad 160g with Prime Quality Tinned Fish Ready to Eat Healthy Meal Sustainably sourced
Rio Mare£1.824.4★
John West Tuna Chunks in Brine 4x132g
John West£3.585.0★
What buyers say about tuna
What buyers praise and complain about, mined from review topics.What buyers love
“sauce very nice”
“Truly a reliable”
“Well worth it”
“I am absolutely in love with the flavour”
“high protein too”
“Very good and convenient”
“Nice firm chunks with some finer areas”
“As described”
“Great combination”
“with fresh”
What buyers complain about
“Too expensive”
“Not much in the way of either tomato or tuna taste at all”
“the quality control has really gone down with this tuna”
“portion could be small for big eaters”
“Mushy and salty”
“Full of oil small amounts of tuna”
“the sweetcorn has no flavour”
“The picture of the slices of tuna is very misleading”
“Tiddles took one smell”
“It was also not chunks at all”
Common questions
- Is tuna profitable to sell on Amazon United Kingdom?
- The niche generates £1.0M/yr across 17 tracked products. 90-day search growth is +10.1%. Flapen's verdict: Worth a look (54/100).
- How competitive is the tuna niche?
- 8 brands and 74 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in tuna?
- Top complaints mined from reviews: Value For Money, Taste-Overall, Quality-Overall. The return rate is 0.0%.
- When does demand for tuna peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the tuna niche?
- Listings span £1.82–£22.50; the average listing price is £6.14 (sweet spot $15–$100). The average incumbent carries 368 reviews — the moat a new listing must climb.