GVA NDAチェック vs Sirion
Side-by-side comparison of features, pricing, ratings, and alternatives.
GVA NDAチェック is a free AI-powered contract review service supervised by lawyers, specifically designed for checking NDA (Non-Disclosure Agreements). It allows users to upload contracts, receive risk assessments (unfavorable, neutral, favorable) and clause-level modification suggestions. The service aims to help SMEs and freelancers without dedicated legal teams to review contracts efficiently. It has been adopted by over 400 companies and 1,000+ freelancers, and has received awards like the Nikkei Excellent Products and Services Award.
Sirion is an AI-native contract lifecycle management platform used by large enterprises like Vodafone, IBM, and Morgan Stanley to create, manage, and analyze commercial contracts. Its AI engine, built organically over 15+ years rather than bolted on from a third party, centralizes contract data into a searchable repository and supports conversational search across an organization's full contract portfolio.
GVA NDAチェックは完全無料で利用できます。
- Completely free for NDA checks (unlimited)
- AI-powered review supervised by professional lawyers
- Provides risk visualizations and clear recommendations
- Easy three-step process: upload, check, modify
- AI engine built organically in-house over 15+ years rather than a third-party wrapper
- Proven at very large enterprise scale (Vodafone, IBM, Morgan Stanley)
- Strong multi-language support for global contracting operations
- Covers the full lifecycle from creation through post-signature obligation management
- Currently only supports NDA (Non-Disclosure Agreement) contract types, limiting its use for other contract forms.
- The service is available only in Japanese, which restricts its accessibility to non-Japanese speakers.
- While the NDA check is free, other contract checks (e.g., business consignment, system development) may require additional costs or separate services.
- No public pricing; enterprise sales cycle required
- Likely overkill and costly for small businesses or startups
- Implementation complexity scales with the size of the contract portfolio
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The Verdict
AI-generated from listing dataSirion is a full‑stack, enterprise‑grade CLM with AI‑driven authoring, negotiation and obligation tracking, while GVA NDAチェック is a free, Japanese‑only AI NDA reviewer.
Key differences
- •Scope: Sirion covers the entire contract lifecycle; GVA only checks NDAs.
- •Pricing: Sirion requires a custom enterprise quote; GVA is free for unlimited NDA checks.
- •Language & geography: Sirion supports ~100 languages for global use; GVA works solely in Japanese.
- •Integrations: Sirion offers API and connectors to Salesforce, SAP Ariba, Microsoft 365, DocuSign; GVA provides no listed integrations.
- •Target size: Sirion is built for large enterprises; GVA is aimed at SMEs, startups, freelancers.
Pricing & value
GVA NDAチェック is completely free for unlimited NDA checks; Sirion requires a custom enterprise price.
Ease of use / learning curve
GVA offers a simple three‑step upload‑check‑modify flow; Sirion is a complex CLM needing implementation.
Features & depth
Sirion provides full‑lifecycle CLM, AI authoring, obligation management, multilingual support; GVA only reviews NDAs.
Integrations & ecosystem
Sirion lists integrations with Salesforce, SAP Ariba, Microsoft 365, DocuSign and an API; GVA lists none.
Collaboration
Sirion includes enterprise collaboration tools and dedicated account support; GVA is a self‑service review tool.
Scalability
Sirion is proven at scale with millions of contracts for large enterprises; GVA is limited to NDA volume.
Support
Sirion offers email, portal, and dedicated account team; GVA provides only the free service with no listed support tier.
Choose GVA NDAチェック if…
SMEs, startups, or freelancers needing free, Japanese‑only NDA reviews without complex implementation.
Choose Sirion if…
Large enterprises needing end‑to‑end CLM, multilingual contracts, and integration with existing systems.
Common questions
What is the cost to start using each tool?
Sirion requires contacting sales for a custom enterprise price; GVA NDAチェック is free for unlimited NDA checks.
Can I use the tool for contracts other than NDAs?
Sirion supports all contract types across the lifecycle; GVA currently only supports NDAs.
Does the solution integrate with my existing SaaS stack?
Sirion provides APIs and connectors to Salesforce, SAP Ariba, Microsoft 365, DocuSign; GVA lists no integrations.