---
title: "Mars — £215K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/mars"
last_updated: "2026-08-01T21:57:43.494Z"
locale: en
meta:
description: "Niche score 47/100 · £215K/yr market · 202K searches/yr · £9.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · £215K/yr market · 202K searches/yr · £9.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Mars — £215K/yr Amazon UK Niche (2026) - Flapen"
---
# **mars**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 41Growth 18Conversion 91Competition 34Returns 100Price range 44Avg price 31Brand share 0Review moat 61Quality gap 65
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.0%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****1,040.24**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****£1.40–£25.78**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****£215K**
£215K/yr · 202K searches
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Okay****£9.75**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-13.3%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, mars is a £215K/yr Amazon United Kingdom market (202K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Nov. Verdict: Skip it — 47/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mars market data**
- **Units sold / yr**
- **25K–30K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **£244K–£293K**
- units × avg price
- **Conversion rate**
- **11.0%**
- **Avg BSR**
- **#397**
- **Page quality**
- **0%**
- **Prime**
- **76%**
- **Sponsored**
- **12%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **46 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**4 **▲rising
**Sellers**
**99**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**0%**
- Mars88% - SHANZA DEPARTMENTAL'S9% - ESSENTIAL PRODUCTS2% - Cadbury1% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -13.3% search growth over the last 90 days.
9K7KSpike '24Spike '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Nov · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/uk/grocery/mars/trend)
## **Top mars search terms**
- **mars bar**111K/yr-20.8%7.2% conv. - **mars bars**58K/yr+7.5%8.1% conv. - **mars bars - full box of 48 bars**15K/yr-26.6%4.4% conv. - **mars chocolate**8K/yr-24.9%2.6% conv. - **mars bars - full box of 24 bars**4K/yr+11.5%8.8% conv. - **mars chocolate bars**3K/yr-6.9%5.3% conv. - **mars bars multipack**3K/yr-56.5%6.7% conv. [**All search terms **](https://flapen.com/research/uk/grocery/mars/search-terms)
## **Top mars 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%10%£22K20%£43K30%£65K40%£86K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mars Caramel Chocolate Bars 8 Pack - Milk Chocolate Nougat Multipack for Summer Holidays On-the-Go Snack Festival Snacks Sharing & Party Treats**Mars**£3.11**3.3★5 rev](https://www.amazon.co.uk/dp/B0GGSK648Q) [2**Mars Chocolate Bar Box 51g x24**Mars**£15.02**4.6★2,988 rev](https://www.amazon.co.uk/dp/B0DPB5YQ9C) [3**Mars Chocolate Fun Size Bars Multipack 16 x 18g**Mars**£3.37**4.6★166 rev](https://www.amazon.co.uk/dp/B0BZJWHBMW) [4**Mars Milk Chocolate Caramel & Nougat Bars Bulk Box 48 Bars of 51g**Mars**£25.32**4.5★954 rev](https://www.amazon.co.uk/dp/B0751957G7) [5**Mars Chocolate Bars Milk Chocolate Bulk Gift Treat Office Box 51g Pack Of 24 Bars**SHANZA DEPARTMENTAL'S**£18.26**4.5★135 rev](https://www.amazon.co.uk/dp/B0DCZWT1K6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Mars Orange Chocolate Low Sugar High Protein Bars 12×55g | 18g Protein Only 2g Sugar | Healthy Energy Snack Individually Wrapped Protein Bar for Fitness Gym & OntheGo Fuel**Mars**£18.15**12 rev5mo ago](https://www.amazon.co.uk/dp/B0GNMZGDKM) [**Mars Caramel Chocolate Bars 8 Pack - Milk Chocolate Nougat Multipack for Summer Holidays On-the-Go Snack Festival Snacks Sharing & Party Treats**Mars**£3.11**5 rev6mo ago](https://www.amazon.co.uk/dp/B0GGSK648Q) [**Mars Caramel Milk Chocolate Bars Multipack 4 x 40g Chocolate Bars with Soft Nougat Chocolate Gift Box for Sharing Snacks Movie Nights & Office Treats**Mars**£2.22**0 rev6mo ago](https://www.amazon.co.uk/dp/B0GGTNN2Z6) [**Mars Chocolate Bar Box 51g x24**Mars**£15.02**2,988 rev9mo ago](https://www.amazon.co.uk/dp/B0DPB5YQ9C) [**Mars Bar Chocolate Bundle Pack of 10 | 51g**Mars**£8.81**2,988 rev1y ago](https://www.amazon.co.uk/dp/B0DL6J5SF6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Mars Caramel Chocolate Bars 8 Pack - Milk Chocolate Nougat Multipack for Summer Holidays On-the-Go Snack Festival Snacks Sharing & Party Treats**Mars**£3.11**3.3★**▲ 357%**](https://www.amazon.co.uk/dp/B0GGSK648Q) [**Mars Caramel Milk Chocolate Bars Multipack 4 x 40g Chocolate Bars with Soft Nougat Chocolate Gift Box for Sharing Snacks Movie Nights & Office Treats**Mars**£2.22**0.0★**▲ 342%**](https://www.amazon.co.uk/dp/B0GGTNN2Z6) [**Mars Orange Chocolate Low Sugar High Protein Bars 12×55g | 18g Protein Only 2g Sugar | Healthy Energy Snack Individually Wrapped Protein Bar for Fitness Gym & OntheGo Fuel**Mars**£18.15**3.7★**▲ 318%**](https://www.amazon.co.uk/dp/B0GNMZGDKM) [**Mars Chocolate Bars 4 x 39.4g**Mars**£2.23**4.6★**▲ 196%**](https://www.amazon.co.uk/dp/B01BND12YU) [**Mars Fun Size Bars Pack of 13**Mars**£6.97**4.4★**▲ 63%**](https://www.amazon.co.uk/dp/B00MFML58C)
**~~View all trending →~~**
## **What buyers say about mars**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**28%
*“Good taste”*
**Value For Money**22%
*“Good value”*
**Sweetness**6%
*“Very sweet”*
**Quality-Overall**6%
*“Good variety”*
**Soft Feel**4%
*“Delights soft nougat”*
**Nutritional Content**4%
*“Tasty protein bars”*
**Size-Overall**4%
*“good size”*
**Flavor**3%
*“A lovely little find, ideal for that little treat, they taste lovely soft chewy nougat center in milk chocolate, satisfying”*
**Blend/Ratio**3%
*“Nice mix of chocolates”*
**Advertised Vs Actual Product**3%
*“As described”*
### **What buyers complain about **
**Size-Overall**12%
*“find the full size ones too much for me”*
**Taste-Overall**9%
*“with very little taste”*
**Storage Temperature**8%
*“some of them had melted”*
**Value For Money**8%
*“poor not worth the money”*
**Durability**8%
*“Didn't last long as they were tasty”*
**Sweetness**8%
*“Far sugary than I remembered”*
**Quality-Overall**6%
*“they are not cheap”*
**Stale/Rotten/Spoiled**6%
*“It was stale”*
**Powdered/Crumbled**6%
*“14 Mars bars were crushed”*
**Hard Feel**2%
*“The caramel was hard and dry, not soft and smooth as normal with a stretch like mozzarella”*
### **Top return reasons **
**Value For Money**100%
## **Common questions**
- **Is mars profitable to sell on Amazon United Kingdom?**
- The niche generates £215K/yr across 17 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -13.3%. Flapen's verdict: Skip it (47/100).
- **How competitive is the mars niche?**
- 4 brands and 99 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in mars?**
- Top complaints mined from reviews: Size-Overall, Taste-Overall, Storage Temperature. The return rate is 0.1%.
- **When does demand for mars peak?**
- Demand peaks in Nov; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the mars niche?**
- Listings span £1.40–£25.78; the average listing price is £9.75 (sweet spot $15–$100). The average incumbent carries 1,040 reviews — the moat a new listing must climb.
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