IFRS S2 + NIS B-1 for Technology in Mexico: 2026 Guide
BMV and BIVA issuers face the unique challenge of simultaneously complying with IFRS S2 (CNBV) and NIS B-1 (CINIF) for the same fiscal year, implying two regulatory frameworks, two regulators, and potentially two external assurance processes. Without a centralized platform, companies end up with sustainability and finance teams operating in silos, collecting redundant data in non-auditable spreadsheets. The overlap between IBSO indicators and IFRS S2 metrics is significant but not total, requiring precise mapping.
Mexican private technology companies are the NIF segment with the greatest external pressure toward NIS B-1 — PE and VC funds investing in Softtek, Clip, and NEORIS already require ESG-ready portfolios for their own reporting to institutional LPs (AFORES, European pension funds). NIS B-1 is for them a financing condition more than just a regulatory one.
Why IFRS S2 + NIS B-1 Applies Differently in Technology
CEO/CFO of Mexican private technology companies required by NIS B-1, with high pressure from corporate clients and PE/VC funds to report ESG
Cloud Scope 3 (Cat 3 — cloud computing) — a software company's largest environmental impact is electricity consumption in AWS/GCP/Azure servers where tCO2e allocation per instance/API call is not standardized in NIS B-1
Product impact (Scope 3 Cat 11) — the software/hardware that Clip or Conekta sell enables transactions with a carbon footprint, but the attribution methodology does not exist in IBSO
Tech talent attraction and retention — NIS B-1 requires satisfaction, turnover and diversity indicators that tech companies must report in a sector with 20-30% annual turnover
Electronic waste (RAEE/e-waste) from own hardware — laptops, phones, servers in own DataCenter without a certified take-back program
Critical IFRS S2 + NIS B-1 KPIs for Technology
| Required KPI | Data Source | Difficulty |
|---|---|---|
| GHG per capita (tCO2e/employee, including Scope 3 cloud and home office) | Purchased electricity (Scope 2) | High 🔴 |
| Percentage of renewable energy in offices and own infrastructure (%) | Electricity bills (Scope 2) | High 🔴 |
| Tech talent voluntary turnover rate (%) | Cat 3 - Actividades energéticas indirectas de cloud computing | High 🔴 |
| Percentage of e-waste recycled with certified chain of custody (%) | HR / payroll system | Medium 🟡 |
| Women in technical and leadership positions (%) | ERP / accounting system | Medium 🟡 |
Hard-to-Collect Data in Technology
Cloud infrastructure emission allocation by provider (AWS/GCP/Azure publish data at region level, not per specific client account, without an official carbon accounting tool per API call)
Home office energy use data per employee (requires survey or estimation with remote work hours × residential emission factor)
E-waste inventory by device type with chain of custody to authorized recycler (requires integration with fixed asset system and disposal manifest)
That is why manual Excel-based processes will not pass the 2027 assurance. Without automated traceability, an external auditor cannot verify the completeness or accuracy of emissions data.
Checklist: 8 Steps to Comply with IFRS S2 + NIS B-1 in Technology
- 1
Mapping and reconciliation of all 30 IBSO indicators with IFRS S2 metrics requirements to avoid duplication of effort
- 2
Unified GHG emissions data collection for Scope 1, 2, and 3 serving both frameworks simultaneously without double measurement
- 3
Management of two distinct assurance processes: CNBV's limited assurance under IFRS S2 and CINIF's review under NIS B-1, ideally with the same auditor
- 4
Alignment of reporting calendars — the integrated sustainability report must meet both deadlines from a single data collection cycle
- 5
Implementation of robust internal controls over sustainability information capable of supporting third-party assurance under both frameworks from 2027
- 6
Connect data sources (ERP, meters, suppliers) to a centralized platform
- 7
Review with internal audit team and adjust consolidation perimeter
- 8
Generate report in CNBV/CINIF format ready for external assurance
How Climatta Automates IFRS S2 + NIS B-1 for Technology
Automated Collection
Eliminate spreadsheets in Technology. Climatta connects your systems and automatically collects GHG per capita and other critical KPIs.
Auditor-Grade Traceability
Every data point has source, date, and owner documented. The 2027 assurance auditor can trace every figure to its origin in your systems.
IFRS S2 + NIS B-1 Report Ready
Generates the report in the exact CNBV + CINIF format — tables, metrics, and narrative. No last-minute manual reformatting.
Onboarding in 4 Weeks
Climatta connects to Technology systems in 4 weeks. No months-long IT project or external implementation consultant.
FAQ: IFRS S2 + NIS B-1 in Technology
Ready to comply with IFRS S2 + NIS B-1 in Technology?
Climatta centralizes all data collection, generates the report in regulatory format, and leaves it ready for 2027 external assurance. No spreadsheets.