
SOW Statement of Work: definition and role in B2B 2026
The SOW or Statement of Work is the contractual document that precisely defines the scope, deliverables and responsibilities of a project. Discover its structure and strategic role in B2B.
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Paperless signatures have become a competitive lever for businesses of all sizes. This guide presents concrete use cases by department, measurable gains, the deployment checklist, and how to integrate electronic signatures into your existing tools.

In France, a mid-sized enterprise processes on average several hundred contractual documents per month. Each handwritten signature involves a lengthy cycle: printing, postal delivery or scanning, manual follow-up, return, physical filing. This process takes on average 5 days and costs between €15 and €35 per document (paper, postage, administrative management time).
The electronic signature reduces this cycle to just a few hours, with no travel, no printing, and no risk of loss. Signatories receive a link by email, sign from their phone or computer, and the signed document is immediately available to all parties.
Beyond time savings, electronic signature brings superior traceability compared to paper: every action is timestamped and recorded, making it impossible to in good faith contest the signature or the date of commitment.
Concrete and quantifiable benefits from the first months of deployment.
Each department in the business has its own document workflows. Here is how electronic signature integrates into each one.
Reduction in onboarding time from 5 days to just a few hours
Complete traceability and audit trail for every transaction
Quote signing 3x faster, improved conversion rate
Centralisation and traceability of all supplier commitments
A successful deployment follows four key phases. This checklist is applicable regardless of company size.
For enterprises with large volumes or those wishing to embed signature into automated processes, Certyneo's REST API lets you trigger signatures directly from your CRM, ERP, HRMS or any other business software.
The typical integration follows this pattern: your system generates the document and calls the Certyneo API to create an envelope. Certyneo sends notifications to signatories. Once signing is complete, a webhook notifies your system and you can automatically retrieve the signed PDF via the API.
Note: API access is available on the Standard plan (€19/month). Contact our team for a personalized integration demonstration.
Yes. In France, permanent and fixed-term employment contracts can be signed electronically as soon as the validity requirements (signer identification, document integrity) are met. An advanced signature (AES) with an SMS OTP is recommended to guarantee probative value. Some specific contracts (apprenticeship, work-study) may be subject to particular requirements under collective agreements.
Absolutely. Electronic signature is particularly beneficial for SMEs lacking resources to manage paper processes. Solutions like Certyneo offer plans starting from €0/month, with no hardware investment and minimal technical training. Return on investment is typically visible within the first month.
Most modern signature solutions offer a REST API that allows you to send documents for signing from any business software. Certyneo offers a complete API (Standard plan, €19/month) allowing you to create envelopes, add signers, track status and retrieve signed documents. Webhooks notify third-party systems in real time of signature events.
For web interface usage without technical integration, deployment is immediate — first documents can be signed the same day. For API integration with existing software, allow 1 to 4 weeks depending on complexity. Organisational process setup (training, internal procedures) may take an additional 2 to 6 weeks.
The main risks are: choosing an insufficient signature level for the document type (using simple signature for high-stakes contracts), failing to retain the audit trail for the legal duration, or using a provider hosting data outside the EU in violation of GDPR. These risks are mitigated by choosing an eIDAS-compliant solution with EU hosting and documented retention.
Sector studies (Aberdeen Group, Forrester) show electronic signature reduces signing time by 80% on average (from several days to a few hours) and generates direct savings of €20–30 per document (printing, postage, archival). For a company handling 100 contracts monthly, annual ROI can exceed €30,000, not counting productivity gains.

The SOW or Statement of Work is the contractual document that precisely defines the scope, deliverables and responsibilities of a project. Discover its structure and strategic role in B2B.

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