---
title: "Mayonnaise — £578K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/mayonnaise"
last_updated: "2026-07-31T20:15:20.603Z"
locale: en
meta:
description: "Niche score 50/100 · £578K/yr market · 816K searches/yr. Prices mostly outside the sweet spot ($1.07–$10.05) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · £578K/yr market · 816K searches/yr. Prices mostly outside the sweet spot ($1.07–$10.05) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Mayonnaise — £578K/yr Amazon UK Niche (2026) - Flapen"
---
# **mayonnaise**
**Worth a look**
Shows searches that convert (24.9% search→purchase), but prices mostly outside the sweet spot ($1.07–$10.05) keeps it on the watch list.
Market size 63Growth 39Conversion 100Competition 58Returns 100Price range 0Avg price 8Brand share 2Review moat 65Quality gap 24
**Conversion**
**Incredible****24.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****907.32**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****£578K**
£578K/yr · 816K searches
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+11.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****£2.85**
avg listing price — sweet spot $15–$100
**Brand share**
**Bad****99%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****£1.07–£10.05**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, mayonnaise is a £578K/yr Amazon United Kingdom market (816K searches/yr). The top 5 brands hold 99% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mayonnaise market data**
- **Units sold / yr**
- **200K–250K**
- avg 6,000–8,000/product
- **Revenue / yr**
- **£570K–£713K**
- units × avg price
- **Conversion rate**
- **24.9%**
- **Avg BSR**
- **#181**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **32%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **72 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **▲rising
**Sellers**
**65**
**Top-5 brand share**
**99%**
Top 20: 100%
**Top-5 click share**
**50%**
Top 20: 94%
**Open market**
**0%**
- Hellmann's42% - HEINZ28% - Morrisons19% - by Amazon9% - Winiary1% - Kewpie1% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +11.0% search growth over the last 90 days.
20K15KSpike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/uk/grocery/mayonnaise/trend)
## **Top mayonnaise search terms**
- **mayonnaise**500K/yr+14.2%21.4% conv. - **mayo**177K/yr-3.9%17.9% conv. - **hellmanns mayonnaise**49K/yr+23.1%9.2% conv. - **heinz mayonnaise**35K/yr-0.9%13.1% conv. - **mayonaise**14K/yr+6.3%26.1% conv. - **mayonnaise hellmanns**7K/yr+237.2%11.9% conv. - **hellmans**10K/yr+98.2%8.6% conv. - **hellmanns**9K/yr-1.6%2.1% conv. - **heinz mayo**10K/yr-26.3%12.5% conv. - **hellmanns real mayonnaise**3K/yr-8.7%6.8% conv. [**All search terms **](https://flapen.com/research/uk/grocery/mayonnaise/search-terms)
## **Top mayonnaise 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%£23K8%£46K12%£69K16%£93K101001K10K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Heinz Seriously Good Mayonnaise 775g**HEINZ**£2.79**4.8★3,805 rev](https://www.amazon.co.uk/dp/B01H5DE2BM) [2**Morrisons Mayonnaise Squeezy 500ml**Morrisons**£1.09**4.6★1,146 rev](https://www.amazon.co.uk/dp/B0C8TTQCB6) [3**by Amazon Mayo 500ml**by Amazon**£1.07**4.5★1,123 rev](https://www.amazon.co.uk/dp/B0D4VC33N2) [4**Heinz Seriously Good Mayonnaise 395g**HEINZ**£2.32**4.8★395 rev](https://www.amazon.co.uk/dp/B01H5DD7U4) [5**Hellmanns Real Mayonnaise mayo made with 100% free-range eggs perfect for sandwiches 250 ml**Hellmann's**£1.93**4.5★752 rev](https://www.amazon.co.uk/dp/B00J3TUUOU)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**by Amazon Mayo 500ml**by Amazon**£1.07**1,123 rev1y ago](https://www.amazon.co.uk/dp/B0D4VC33N2) [**Hellmanns Mayo Sauce 850ml**Hellmann's**£3.92**74 rev2y ago](https://www.amazon.co.uk/dp/B0D3HXFPVV) [**Morrisons Mayonnaise Squeezy 500ml**Morrisons**£1.09**1,146 rev3y ago](https://www.amazon.co.uk/dp/B0C8TTQCB6) [**Morrisons Light Mayo 500ml**Morrisons**£1.09**579 rev3y ago](https://www.amazon.co.uk/dp/B0C9V8H3F7) [**Hellmanns Real Mayonnaise Condiment Squeeze Bottle for Burgers Sandwiches and Salads 580 ml**Hellmann's**£3.05**320 rev3y ago](https://www.amazon.co.uk/dp/B0BZ92D3TF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Hellmanns Real Mayonnaise mayo made with 100% free-range eggs perfect for sandwiches 250 ml**Hellmann's**£1.93**4.5★**▲ 118%**](https://www.amazon.co.uk/dp/B00J3TUUOU) [**Heinz Seriously Good Light Mayonnaise 420g**HEINZ**£2.01**4.5★**▲ 57%**](https://www.amazon.co.uk/dp/B01HCOEDBS) [**Hellmanns Mayo Sauce 850ml**Hellmann's**£3.92**4.0★**▲ 56%**](https://www.amazon.co.uk/dp/B0D3HXFPVV) [**Hellmanns Lighter Than Light Mayonnaise mayo with 15 calories per tablespoon squeeze bottle for sandwiches wraps and salads 750 ml**Hellmann's**£3.18**4.5★**▲ 39%**](https://www.amazon.co.uk/dp/B07RZL1XLW) [**by Amazon Mayo 500ml**by Amazon**£1.07**4.5★**▲ 36%**](https://www.amazon.co.uk/dp/B0D4VC33N2)
**~~View all trending →~~**
## **What buyers say about mayonnaise**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**44%
*“Excellent taste”*
**Value For Money**17%
*“Worth it”*
**Quality-Overall**10%
*“Just as good as the big brands”*
**Flavor**8%
*“more flavourful than expected”*
**Texture/Consistency-Overall**2%
*“Excellent taste and texture”*
**Nutritional Content**2%
*“Quality for food”*
**Advertised Vs Actual Product**2%
*“As described”*
**Size-Overall**2%
*“This size was ideal”*
**Thickness**1%
*“Very nice mayonnaise very rich thick”*
**Soft Feel**1%
*“Creamy and lovely”*
### **What buyers complain about **
**Taste-Overall**35%
*“It has a horrible oily taste”*
**Quality-Overall**6%
*“** I really don't like the high-quality, mainstream mayonnaise”*
**Value For Money**5%
*“can be bought cheaper”*
**Salt Content**5%
*“It is saltier”*
**Ingredients-Overall**5%
*“They have completely different ingredients”*
**Oily/Greasy**5%
*“Full of palm oil”*
**Size-Overall**4%
*“Quite a large bottle”*
**Ease Of Use**2%
*“cant use it at all”*
**Chunk/Clump/Collection**2%
*“clumpy”*
**Flammable**2%
*“Not nice drizzle”*
## **Common questions**
- **Is mayonnaise profitable to sell on Amazon United Kingdom?**
- The niche generates £578K/yr across 28 tracked products. 90-day search growth is +11.0%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the mayonnaise niche?**
- 6 brands and 65 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 99% of demand.
- **What do buyers complain about in mayonnaise?**
- Top complaints mined from reviews: Taste-Overall, Quality-Overall, Value For Money. The return rate is 0.0%.
- **When does demand for mayonnaise peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the mayonnaise niche?**
- Listings span £1.07–£10.05; the average listing price is £2.85 (sweet spot $15–$100). The average incumbent carries 907 reviews — the moat a new listing must climb.
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