SOA requirements guide

To obtain SOA certification, the company must demonstrate general and special requirements (Legislative Decree 36/2023, Annex II.12). Here you will find what is needed and with which documents.

General requirements

These concern the reliability of the company and its representatives. The SOA assesses each situation and any exceptions provided for.

Registration with the Companies Register.Company duly registered with the Companies Register.

No final disqualifying conviction.No final convictions that prevent qualification.

Anti-mafia compliance.No anti-mafia grounds for exclusion.

No disqualifying insolvency proceedings.Crisis and insolvency are assessed case by case.

No disqualifying ANAC entries.No entries for false declarations or documents.

No ban on contracting with the public administration.No measure preventing it.

Tax and social security compliance.Taxes and contributions paid, valid DURC.

Compliance with obligations to employ persons with disabilities, where applicable.Fulfilment of the applicable obligations, where they apply to the company.

How compliance is verified: CQOP verifies the requirements of the company and the individuals concerned through the declarations submitted, available databases and the competent authorities.

Special requirements

These measure the company’s economic and technical capacity in relation to the requested categories and classifications.

How to read the percentages. Equipment and staff are calculated against turnover from works; completed works are assessed for each category.

Economic and financial capacity

Requirement

At least 100% of the sum of the classifications requested in the various categories, over the last fifteen years.

Example: OG1 in classification III (€ 1.033.000) + OS30 in II (€ 516.000) = minimum turnover € 1.549.000

How it is demonstrated

Corporations: reclassified financial statements and filing receipts
Sole proprietorships and partnerships: VAT returns

Requirement

Positive in the latest filed financial statements, for those required to prepare them.

How it is demonstrated

Latest filed financial statements.

Requirement

References attesting to the company’s financial soundness.

How it is demonstrated

Issued by the company’s bank.

Technical and organisational capacity

Requirement

Suitable qualification (or experience, where permitted)
Relationship with the company: owner, legal representative, director or shareholder/partner; alternatively, an employee or a professional engaged by the company
Exclusive appointment, not shared with other companies

How it is demonstrated

Qualification or experience, contract with the company and declaration of exclusivity.

Requirement

Over the last fifteen years, for each category: at least 90% of the classification, plus one of the following three alternatives for peak works:

one work of at least 40%
two works totalling at least 55%
three works totalling at least 65%

How it is demonstrated

With Works Execution Certificates (CEL). For private works, certificates of proper execution, contracts, invoices and building permits are also required.

Find out more about the CEL

Example for OG1 classification III: works totalling €929,700 and one project worth €413,200

Requirement

At least 2% of construction turnover, including depreciation, leasing and rentals.

At least 40% from owned or leased assets.

How it is demonstrated

Fixed asset register with depreciation charges
Reclassified financial statements (corporations)
Income tax returns (sole proprietorships and partnerships)

Requirement

At least 15% of construction turnover, of which 40% for manual workers.

Alternatively: 10% for permanent staff, of which 80% technical staff.

How it is demonstrated

INPS DM10 (UniEmens flow)
INAIL and Cassa Edile summaries
Reclassified financial statements or equivalent documents
Declaration of workforce by job grade

Requirement

UNI EN ISO 9001 certified quality management system.

For classifications III and above; not required for I and II.

How it is demonstrated

Valid ISO 9001 certificate.

If a requirement falls short

If equipment or staff are below the threshold, the usable turnover is reduced and, with it, the classifications that can be obtained.

Some categories have specific requirements and verification procedures that differ from the general ones described in this guide. Find out more about OG2 and OG11.

SOA requirements: frequently asked questions

Do works for private clients count towards qualification?

Yes, if documented with a certificate of proper execution, contract, invoices and building permit.

Can I use works managed by my technical director at another company?

Yes, up to classification III. The SOA checks the length of the appointment, the period and the amounts: it is not an automatic transfer.

What documents are needed to demonstrate equipment and staff costs?

For equipment, the fixed asset register and financial statements; for staff, INPS DM10, INAIL and Cassa Edile summaries and the workforce declaration.