Here's exactly what each one asks for — and how Emissa handles all of them from a single dataset.
No ESG team required. One upload. Every report format.
Requirements sourced from official program documentation: Walmart Giga Guru Framework, Costco Supplier Sustainability Assessment, Target Supplier Sustainability Assessment, Apple Supplier SAQ + Clean Energy Program, and EcoVadis Rating Methodology.
| Requirement |
W
WalmartProject Gigaton |
C
CostcoSSA |
T
TargetSSA |
A
AppleSAQ + CEP |
E
EcoVadisRating |
|---|---|---|---|---|---|
| Emissions Inventory | |||||
| Scope 1 emissions | ✅ RequiredAnnual total; direct combustion + refrigerant losses | ✅ RequiredAnnual total; GHG Protocol Scope 1 | ✅ RequiredAnnual total; GHG Protocol Scope 1 | ✅ RequiredFacility-level; energy + process | ✅ RequiredGHG Protocol-aligned Scope 1 |
| Scope 2 emissions | ✅ RequiredLocation-based; market-based if RECs purchased | ✅ RequiredGHG Protocol Scope 2; location-based | ✅ RequiredGHG Protocol Scope 2; location-based | ✅ RequiredLocation-based + market-based if applicable | ✅ RequiredGHG Protocol Scope 2; market-based |
| Scope 3 emissions | ✅ RequiredCats 1, 4, 5 core; all 15 preferred | ✅ RequiredCats 1, 4, 5 core; broader scope encouraged | ✅ RequiredCat 1 (purchased goods) required; others encouraged | ✅ RequiredCat 1 required; broader Scope 3 encouraged | ✅ RequiredFull Scope 3 assessed; Cat 1 primary driver |
| Energy & Environment | |||||
| Renewable energy target | ⚠️ EncouragedGiga Guru Gold favors RE commitments | ⚠️ EncouragedKirkland Signature suppliers encouraged | ⚠️ EncouragedRE progress scored in SSA assessment | ✅ Required100% renewable energy target; annual reporting | ⚠️ EncouragedRenewable energy procurement scored |
| SBTi alignment | ⚠️ EncouragedGiga Guru Gold加分; SBTi targets considered | ⚠️ EncouragedScience-based target setting encouraged | ⚠️ EncouragedSBTi commitment noted in SSA score | ⚠️ EncouragedApple Supplier Clean Energy Program aligned | ⚠️ EncouragedSBTi target = high EcoVadis score for climate |
| Water usage | — Not required | ⚠️ EncouragedWater intensity and reduction targets for food/CPG | ⚠️ EncouragedWater stewardship in SSA environmental section | ✅ RequiredWater consumption disclosure; reduction targets | ⚠️ EncouragedWater management policies assessed |
| Packaging sustainability | ⚠️ EncouragedGigaton calculates packaging waste; not mandatory | ✅ RequiredPackaging recyclability + sustainable sourcing | ✅ RequiredPackaging waste reduction; circular packaging goals | ✅ RequiredPackaging materials disclosure; elimination targets | ⚠️ EncouragedPackaging policy and EPR compliance scored |
| Social & Governance | |||||
| Labor / human rights | ⚠️ EncouragedSEDEX/SMETA or equivalent; preferred for Gold | ✅ RequiredSA8000 or equivalent social compliance audit | ✅ RequiredHigg Index Facility Social Module; SA8000 | ✅ RequiredApple SAQ labor section; third-party audits required | ✅ RequiredChild/forced labor policies; ILO standards |
| Supplier Code of Conduct | ⚠️ EncouragedAlignment with Responsible Sourcing Standards | ✅ RequiredCostco Supplier Standards; CoC acknowledgment | ✅ RequiredTarget Vendor Code of Conduct signature required | ✅ RequiredApple Supplier Code of Conduct; mandatory | ✅ RequiredSupplier Code of Conduct aligned with UNGP |
| Chemicals / restricted substances | — Not required | ⚠️ EncouragedREACH/RoHS compliance encouraged for Kirkland | ⚠️ EncouragedRSL (Restricted Substances List) reporting encouraged | ✅ RequiredApple RSL compliance; MRSL for manufacturing | ⚠️ EncouragedREACH compliance; chemical management policies |
| Reporting Mechanics | |||||
| Submission cadence | ✅ AnnualQ1 window; prefer by Mar 31 for Gold scoring | ✅ AnnualQ2–Q3 window; tied to buyer review cycle | ✅ AnnualAnnual; deadline varies by merchandise team | ✅ AnnualSAQ due annually; CEP energy data per facility | ✅ AnnualFull reassessment every 12–15 months |
| Buyer-side verification | ⚠️ YesGiga Guru verification; Preferred Supplier boost | ⚠️ YesSSA score reviewed by Costco merchandising | ⚠️ YesSSA score impacts supplier ranking | ✅ YesAudit cycle; third-party verification + Apple review | ⚠️ YesEcoVadis scorecard public; buyers can request evidence |
✅ Required = mandatory for submission | ⚠️ Encouraged = scored favorably or required for top tier | — Not required = not assessed by this program
Sources: Walmart Giga Guru Framework v4, Costco SSA Supplier Guide 2024, Target Vendor Sustainability Standards, Apple Supplier SAQ 2024 + Clean Energy Program, EcoVadis Rating Methodology v7.
Emissa pulls financials once from QuickBooks — maps them to each buyer's exact specification — and auto-formats the submission. No re-entry. No consultant. No spreadsheets.
Import QuickBooks, ERP, or utility bills. Emissa categorizes every transaction to EPA/USEEIO factors automatically.
GL codes map to Scope 1/2/3 categories. One canonical dataset covers all buyers — each sees only what they need.
Generate Walmart, Costco, Target, Apple, EcoVadis formats with full factor documentation and SHA-256 audit trail.
For Tier 1 suppliers facing Giga Guru rating. Scope 1, 2 & 3 required. Annual Q1 submission.
For Kirkland Signature and direct import vendors. Labor, packaging & emissions all assessed.
For Target vendors. Cat 1 Scope 3 + packaging required. SSA score affects vendor ranking.
For Apple suppliers. 100% renewable energy required. Water, chemicals, labor all mandatory.
For any supplier rated by a buying company. Full ESG across climate, labor, and procurement.
You're managing three or four different ESG questionnaires with the same underlying data. Emissa is the single layer that produces all of them — correctly, on time, without hiring an ESG team.