---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-24-034125"
form_type: "8-K"
ticker: "ZEO"
cik: "0001865506"
company_name: "Zeo Energy Corp."
filed_at: "2024-04-18T23:59:59+00:00"
generated_at: "2026-06-03T19:34:31.110852+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Zeo Energy dismisses BDO, engages Grant Thornton; material weaknesses cited

## Summary
- BDO USA P.C. dismissed as independent auditor on April 16, 2024; no disagreements with BDO.
- Material weaknesses in internal control over financial reporting identified (EPS calculation, cash flow classification).
- Grant Thornton LLP engaged as new independent registered public accounting firm for FY 2024.
- Grant Thornton previously served as Sunergy's auditor prior to the business combination with ESGEN Acquisition.
- Auditor change approved by Audit Committee; BDO letter attached as Exhibit 16.1.

## SEC filing metadata
- accession: 0001213900-24-034125
- form_type: 8-K
- ticker: ZEO
- cik: 0001865506
- company_name: Zeo Energy Corp.
- filed_at: 2024-04-18T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1865506/000121390024034125/0001213900-24-034125-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1865506/000121390024034125/ea0204208-8k_zeoenergy.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-24-034125
- JSON: https://secwatch.observer/filing/0001213900-24-034125.json
- Plain text: https://secwatch.observer/filing/0001213900-24-034125.txt

## Key facts
- Auditor Changes
  Zeo Energy Corp. dismissed BDO USA P.C. as its auditor.
  - Action: dismissal
  - Auditor: BDO USA P.C.
  source text: (a) Dismissal of independent registered public accounting firm On April 16, 2024 (the “ Dismissal Date ”), the Company dismissed BDO USA P.C. (“ BDO ”) as the independent registered public accounting firm for the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1865506/000121390024034125/0001213900-24-034125-index.htm
- Auditor Changes
  Zeo Energy Corp. engaged Grant Thornton LLP as its auditor.
  - Action: engagement
  - Auditor: Grant Thornton LLP
  source text: 1 (b) Engagement of new independent registered public accounting firm On April 16, 2024, as recommended and approved by the Committee, the Company engaged Grant Thornton LLP (“ GT ”) as the Company’s independent public accounting
  evidence_url: https://www.sec.gov/Archives/edgar/data/1865506/000121390024034125/0001213900-24-034125-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.