Wingstop sustainability score: 22/100
Wingstop is a US chicken-wing restaurant brand with about 3,056 restaurants, about 98% of them franchised, headquartered in Dallas, Texas. Incorporated in Delaware in 2015 (its roots go back to 1994), it had about 1,367 employees and $696.9 million in FY2025 revenue.
Founded 2015Head office Dallas, Texas, United StatesStaff ~1,367 (FY2025)Revenue $696,853K total revenue (FY2025)Website ↗
Wingstop reports only Scope 1 and 2 emissions for its company-owned restaurants and head office (5,331 tCO2e in 2025), about 2% of its 3,056 restaurants, and no Scope 3, although chicken is 57% of its purchases. Those emissions rose about 10% from 2023. It publishes no renewable energy share, water data, emissions target or nature assessment, although a 2024 shareholder resolution asking for targets passed with 52.2% support.
Wingstop scores 22/100 (Significant gaps) on SINK's independent climate assessment, scored from public data only. Scores are free. Companies can never pay for anything about their own score. Last verified October 2026.
That places Wingstop joint 870th of 934 companies scored, and 49th of 51 in Food Service / Restaurants.
What is Wingstop doing well, and where does it fall short?
Strongest on Controversies & Red Flags and Carbon Footprint: Operations (7/10, 6/10). Weakest on Emissions Trajectory and Water Impact (0/10, 0/10).
Where Wingstop lost points
For each question that lost points, the evidence our public rubric looks for that we didn't find.
- Emissions from its own operations6/10Its own emissions aren't independently verified or tracked over several years.
- Emissions from its supply chain1/10No assessment of where its supply-chain emissions come from.
- Whether its emissions are falling0/10No evidence its emissions are falling, not even from energy bills or mileage.
- How clean its energy is2/10No renewable energy tariff or major efficiency investment shown.
- Its effect on nature1/10No evidence it knows its main risks to nature.
- How it uses materials and handles waste4/10No measurable waste or recycling targets reported publicly.
- Its effect on water0/10No figures for its water use.
- Its climate targets1/10No emissions reduction targets.
- How openly it reports4/10No dedicated sustainability role, board oversight or public report.
- Its record on controversies7/10Points deducted for controversies or its business model. The finding is under question 10.
A score changes when the evidence does. We use new published evidence at the next rescore. Anyone can send us new evidence, free. How to send it.
How is Wingstop's SINK score calculated?
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleHas Wingstop's score changed?
Wingstop's score has moved from 35 to 22 across 2 recorded reviews, down 13 points.
- 35 → 22-1325 October 2026
Re-scored under the current method. Down from 35 because Wingstop reports no supply chain emissions (size deduction now 0.70x), two earlier credits had no supporting source (a science-based target and wind power at its head office), and its own figures show emissions rising since 2023.
- Scored 359 April 2026
Initial score at platform launch
What evidence is Wingstop's score based on?
11 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
18% of them were published by Wingstop itself; the rest come from independent sources.
“Scope 1 and 2 includes all company-owned and operated restaurants and the Global Support Center emissions coming from natural gas and electricity.”
“approximately 98% of Wingstop's restaurants currently owned and operated by independent franchisees”
“Utilize high-efficiency rooftop units for all HVAC”
“Shareholders request that Wingstop issue a report disclosing its current GHG emissions, as well as short-, medium- and long-term targets for measurably reducing them”
“Stockholder Proposal regarding greenhouse gas emissions reporting and goals”
“52.2% at Wingstop Inc.”
“In the food sector, however, as much as 90% of greenhouse gases come from Scope 3 sources”
“Chemicals: Bisphenol S (BPS) Source: Wingstop Receipt”
“Not only does chicken production pollute waterways”
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How does Wingstop compare with other food service / restaurants companies?
Where Wingstop sits among food service / restaurants peers.
Among the 51 major food service / restaurants brands we've scored, Wingstop sits 49th of 51.
Who scores higher in Food Service / Restaurants?
The 3 companies in the sector scoring nearest above Wingstop.
Burger King's sustainability performance is dominated by supply chain deforestation, greenwashing, and a beef-heavy business model that fundamentally conflicts with emissions reduction.
See the breakdown →Caravan publishes no emissions figures, and its accounts fall below the threshold for reporting them, so the size deduction for no own figure (0.70x) applies.
See the breakdown →Chick-fil-A operates 3,000+ restaurants generating $22.7B in systemwide sales with no disclosed emissions data, no science-based targets, and no renewable energy strategy beyond three pilot solar projects.
See the breakdown →Which companies moved this week, and why.
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