Pet food brand

B

William's

B Average score: 76/100 (Good)

Discover the 4 William's products graded A to E by PetFoodRate. Our independent analysis covers protein quality, nutritional value, absence of undesirables, label transparency, and species adaptability.

In short

William's averages 76/100 (B) across 4 graded products, 3 of them A or B. It is strongest on "Few undesirables" and weakest on "Ingredient transparency". Top-rated product: William's Pâtée pour Chat au Bœuf (82/100).

By Theo Blanchard · reviewed by Max Kowalski · updated June 2026 · independent grading, no sponsorship

A
0
B
3
C
1
D
0
E
0

The William's profile across 5 criteria

Average of the A–E sub-scores across the 4 graded William's products. The brand is strongest on "Few undesirables" and weakest on "Ingredient transparency".

  • Protein quality B · 75/100
  • Nutritional balance C · 68/100
  • Few undesirables A · 90/100
  • Ingredient transparency C · 60/100
  • Species fit C · 68/100

All William's products graded

#1
B 82
Pâtée pour Chat au Bœuf
wet food cats
#2
B 81
Pâtée pour Chat au Bœuf
wet food cats
See offer
#3
B 75
Pâtée pour Chat au Poulet – JUNIOR
wet food cats
See offer
#4
C 65
Pâtée pour Chat au Poulet – JUNIOR
wet food cats

Our verdict on William's

William's offers 4 products in our database, covering 1 food type and 1 species. The brand average score is 76/100, a grade B (Good). This score evolves whenever we add products or update our methodology.

Understand the grade

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Frequently asked questions

How many William's products are rated?

4 William's products are rated by PetFoodRate, with an average score of 76/100 (B).

What is the best William's product?

The highest-rated William's product in our database is William's Pâtée pour Chat au Bœuf (grade B).

Is William's a good brand?

Based on its rated products, William's averages 76/100, i.e. B on our A to E scale. Quality can vary across ranges: check each product's grade.

How does PetFoodRate rate brands?

Each product is graded A to E on five axes (proteins, nutrition, undesirables, transparency, suitability). A brand's score is the average of its products; only brands with at least 10 rated products enter the comparative ranking.