Icertis vs Ironclad vs Sirion: Enterprise CLM Compared

If you are choosing between Icertis, Ironclad, and Sirion, you are shopping at the enterprise end of contract lifecycle management: quote-only pricing, multi-month rollouts, platforms built for thousands of contracts a month. This page is published by Adira, a smaller, India-first CLM with published pricing, disclosed upfront. Adira is not a peer to these three at enterprise scale, and nothing below pretends otherwise. What follows is an honest look at where each genuinely leads, where they overlap, and, only at the end, where a right-sized alternative might fit better than any of them.

What each one actually is

Icertis was founded in Pune in 2009 by Samir Bodas and Monish Darda, later moving headquarters to Bellevue, Washington, while keeping a large Pune engineering base. Its product, Icertis Contract Intelligence, is an AI-native enterprise CLM, AI branded Vera, built into major ERP and CRM stacks (full list in the matrix below). In November 2025 it acquired the AI contracting startup Dioptra. As of this writing, Icertis has been reported, since February 2026, to be working with Goldman Sachs on a possible sale valued at up to $5 billion, backed by SoftBank; no transaction has closed. Confirm current ownership before signing anything long-term.

Ironclad was founded in San Francisco in 2014 by Jason Boehmig and Cai GoGwilt. It built its name on a visual, no-code Workflow Designer letting legal teams build self-serve intake and approval chains for sales, procurement, and HR, a different starting point from CLMs that begin with the document rather than the process. In March 2026 it launched Ironclad Assistant, an AI agent for lifecycle tasks, and in June 2026 announced a strategic alliance with Deloitte for agentic CLM at large organisations. Ironclad remains independently owned; no sale or renaming has been reported.

Sirion, formerly branded SirionLabs, was founded in India in 2012 by Ajay Agrawal, Claude Marais, Kanti Prabha, and Aditya Gupta, and today lists headquarters in Lehi, Utah, with engineering still in Gurugram. It acquired Document AI company Eigen Technologies in June 2024, and has been named a Leader in the Gartner Magic Quadrant for CLM for four consecutive years through 2025. On 8 January 2026, Sirion announced Haveli Investments would take a majority stake of up to 90 percent, valuing it at roughly $1 billion; the deal closed 23 February 2026. Sirion's materials describe managing more than 7 million contracts worth close to $800 billion, a vendor figure not independently audited.

Where each one is genuinely strongest

These three are not interchangeable versions of the same product. Each was built around a different bottleneck, and that shows in what a demo spends its time on.

Icertis's centre of gravity is the ERP: packaged integrations pull structured metadata straight out of SAP, Salesforce, or Dynamics, real enough that SAP now co-sells an SAP Ariba Contract Intelligence offering built on Icertis.

Ironclad's centre of gravity is the workflow. Its Workflow Designer lets a legal team build no-code intake forms and approval routing across departments, paying off once request volume from sales, procurement, and HR gets high enough that ad hoc email routing breaks down. Its June 2026 Deloitte alliance and August 2026 procurement agents, tracking rebates and compliance commitments, extend that same logic.

Sirion's centre of gravity is the obligation, not the document. Its Draft, Issue Detection, and Redline agents work at the "create" stage, but its most distinctive strength is downstream: Obligation agents tracking milestones and escalations, and an Invoice agent reconciling vendor invoices against contracted terms. If your problem is thousands of supplier contracts nobody is tracking billing accuracy against, that is precisely the job Sirion was purpose-built to do, and neither of the other two has an equivalent module.

None of the three has had its Indian-law drafting independently benchmarked. Test any shortlisted tool on a real Indian-law contract before trusting output that matters.

The full side-by-side matrix

Job	Icertis	Ironclad	Sirion
Design centre	ERP-embedded enterprise contracting	No-code workflow and approval routing	Obligation tracking and invoice reconciliation
Drafting and review	Vera AI, strengthened by Nov 2025 Dioptra buy	Ironclad Assistant (Mar 2026)	Draft, Issue Detection, Redline agents vs. playbook
Strongest feature	Deep ERP-linked structured metadata	Cross-department intake automation	Purpose-built Obligation and Invoice agents
Integrations	SAP, Dynamics 365, Salesforce, Coupa, Workday	Salesforce, Slack, Microsoft, DocuSign, NetSuite	Enterprise ERP and procurement connectors
India execution	Standard e-sign; stamping not a named step	Standard e-sign; stamping not a named step	Global e-sign; stamping not foregrounded
Pricing	Quote-only; median ACV ~$88,000; year-one $100,000 to $300,000-plus	Quote-only; median ~$40,000/yr; enterprise $80,000 to $600,000/yr	Quote-only; scoped by module; no public benchmark found
Implementation	6 to 12 months	$10,000 to $40,000 standard; complex builds exceed $75,000	Several months with ERP integration
Ownership, 2026	Possible $5B sale explored since Feb, unresolved	Independent; Deloitte alliance June	Haveli majority stake closed 23 Feb, ~$1B valuation
Scale (vendor-stated)	~1/3 of Fortune 100	$200M+ ARR (Feb 2026)	7M+ contracts, ~$800B managed

India execution: the step all three were built for other markets to solve first

This is the part a feature list does not show, because getting it wrong is not a missing checkbox, it is a wrong default baked into the product's home market. An electronic signature is legally recognised in India under Section 5 of the Information Technology Act, 2000: "Where any law provides that information or any other matter shall be authenticated by affixing the signature or any document shall be signed or bear the signature of any person, then, notwithstanding anything contained in such law, such requirement shall be deemed to have been satisfied, if such information or matter is authenticated by means of electronic signature affixed in such manner as may be prescribed." Read Section 5 on Indian Kanoon.

That handles signing. It does not handle stamping, and the two are not the same step. Section 35 of the Indian Stamp Act, 1899 states: "No instrument chargeable with duty shall be admitted in evidence for any purpose by any person having by law or consent of parties authority to receive evidence, or shall be acted upon, registered or authenticated by any such person or by any public officer, unless such instrument is duly stamped." Read Section 35 on Indian Kanoon. An e-signed contract never stamped, or stamped short, can be unusable as evidence in an Indian court, however smooth the workflow behind the signature was.

There is a further wrinkle. Since 1 July 2024, electronic records are governed by Section 63 of the Bharatiya Sakshya Adhiniyam, 2023, replacing the old Section 65B of the Evidence Act, requiring a two-part certificate, from the device custodian and a technical expert, plus the record's hash value, before a copy is admitted without the original device. None of the three foregrounds Indian e-stamping as a named step, unsurprising given two now list US headquarters and all three built integration depth around US and European stacks first. Separately, the Digital Personal Data Protection Act, 2023 governs personal data of Indian data principals, with DPDP Rules, 2025 starting an 18-month phased compliance window. Read the DPDP Act on India Code. Whether contract text is DPDP-governed is separate from whether a vendor trains its AI on your uploaded contracts, worth asking all three in writing, especially Sirion after its change of owner.

Ask any of the three, specifically, how a document moves from e-signed to duly stamped to court-admissible for an Indian counterparty. "We support e-signature" is not an answer to that question.

Pricing reality, without the sales call

All three sell only by quote; there is no rate card for any of them, normal at this end of the market. What differs is how much third-party purchasing data exists to sanity-check a quote against. Vendr's tracked purchases put Icertis's median annual contract around $88,000, with realistic first-year cost, licensing plus implementation plus training, running $100,000 to $300,000-plus. See Icertis pricing data via Vendr. For Ironclad, Vendr's data puts the median contract at roughly $40,000 a year, with enterprise deals commonly $80,000 to $600,000. See Ironclad pricing data from Vendr. No comparable benchmark exists publicly for Sirion; cost depends on modules licensed and volume, so treat other numbers as rough estimates, not quotes. Ask for renewal-year pricing in writing too: Vendr's Ironclad data shows 15 to 25 percent annual increases are common, roughly doubling first-year cost by year three.

Signs you're buying the wrong shape of enterprise tool

Normal	Red flag	Why it matters
A realistic implementation range for your scope	"Live in weeks" for deep ERP or workflow work	Enterprise rollout in a week usually means scope was quietly cut
Pricing scoped clearly on the first call	"Contact sales" with no number, even roughly	You cannot budget against a figure nobody will range
Vendor names its own centre of gravity honestly	Claims to be equally best at everything	A specialised platform unwilling to name its limits is not being straight with you
Vendor explains how a document gets stamped for India	Signature and stamping treated as one step	Under Stamp Act Section 35, an unstamped instrument can be inadmissible as evidence
Data hosting and AI-training policy stated in writing, especially post-acquisition	Vague answer, or the question gets redirected	A new majority owner, as with Sirion and Haveli, can change policy within months
Contract volume matches the vendor's typical customer	A 30-person team sold the tier a multinational runs	Tooling built for thousands of contracts a month can be overhead for a small team
Renewal pricing disclosed up front	Year-one price looks good, renewal left for "later"	Compounded 15 to 25 percent annual increases can double cost by year three

A bad execution clause, and a better one

Here is what an execution clause looks like when it assumes a smooth e-signature workflow, whichever vendor built it, equals being ready for India. It does not.

Bad (signature confirmed, stamping and evidence left silent): "This Agreement is executed electronically through the Parties' agreed contracting platform and shall be deemed valid and binding upon completion of the electronic signature process, governed by the laws of India."

What is wrong: it confirms a valid signature but says nothing about who pays stamp duty, by when, or what happens if the document must later be produced as evidence. A clean signing workflow does not make a document court-ready; silence here defaults to a dispute about admissibility, not to "fine."

Better (stamping and evidentiary status addressed): "This Agreement is executed by way of electronic signature in accordance with Section 5 of the Information Technology Act, 2000. [Party] shall bear the stamp duty payable on this instrument under the applicable state Stamp Act and shall ensure the instrument is duly stamped within the time and manner prescribed. Where this Agreement, or an electronic copy of it, is relied upon as evidence, the party producing it shall furnish a certificate under Section 63 of the Bharatiya Sakshya Adhiniyam, 2023."

What changed: the rewrite names the exact statutory basis for the signature, allocates stamp duty instead of leaving it to be argued over later, and pre-commits to the certificate an Indian court will actually ask for if challenged. You do not need enterprise software to fix a clause like this; you can mark it up yourself, free, in Weave, Adira's browser-based contract markup tool, before it goes near a lawyer or counterparty.

Which of the three fits which buyer

Icertis fits you if you run contracting at genuine multinational scale, already have SAP, Salesforce, or Dynamics as your backbone, and can afford a 6-to-12-month implementation.

Ironclad fits you if your real problem is process at volume: hundreds of monthly intake requests from sales, procurement, and HR needing automated routing, on contracts primarily US-governed.

Sirion fits you if your core pain is a large book of supplier contracts where obligations and invoices need automatic reconciliation, at scale, and you can live with its recent change of majority owner.

Do not take any vendor's page, including this one, as the final word. Queries like "best enterprise CLM" are answered better by third-party sites such as G2 and Capterra, where real customers rate their actual experience.

If none of the three is the right size for you

All three above are built, priced, and sold for enterprise-scale contracting. If you run a smaller legal team, an in-house function at a mid-sized company, or a firm that does not need SAP-level integration, workflow routing, or invoice reconciliation, none of the three will be pleasant to buy or live with, whatever the demo looks like. This is where Adira, the India-first CLM publishing this page, is worth a look, not as an enterprise-equal, but as a right-sized alternative: published pricing (Practice $89 to $109 per seat/month, Firm $179 to $219, Enterprise on request, 7-day trial, last verified 4 September 2026 on adiralaw.com) instead of a sales cycle, drafting grounded in your own contracts through Company Persona and a structured clause tree, e-stamping built into execution, and no training of models on customer contracts. Adira has no ERP integration, no workflow designer, and no invoice-reconciliation engine, and nowhere near the customer base of any above. That gap is real; weigh it plainly rather than take a competitor's page at face value here either.

FAQ

Which of Icertis, Ironclad, and Sirion is the best enterprise CLM? There is no single answer; each was built for a different bottleneck. Icertis fits ERP-embedded, multinational-scale contracting. Ironclad fits high-volume, cross-department workflow automation. Sirion fits obligation-heavy, supplier-facing contracting with invoice reconciliation.

Has Icertis been acquired or renamed? Not as of this writing. Reports since February 2026 say Icertis, backed by SoftBank, has been working with Goldman Sachs on a possible sale valued at up to $5 billion, with no completed transaction announced. Confirm current status directly with Icertis before signing.

Has Sirion been acquired or renamed? Yes, in part. It was renamed from SirionLabs to Sirion some years ago. On 8 January 2026, Sirion announced Haveli Investments would take a majority stake of up to 90 percent, valuing it at roughly $1 billion; the deal closed 23 February 2026.

Which of the three is cheapest? Based on Vendr's tracked data, Ironclad's median annual contract (roughly $40,000) tends to run lower than Icertis's median (roughly $88,000), though enterprise deals for either run far higher. No comparable benchmark exists for Sirion; get a scoped quote from all three.

Do any of the three handle Indian stamp duty and e-stamping as a named feature? None foregrounds Indian e-stamping as a first-class step. Ask each vendor directly how a signed document moves from e-signature to a duly stamped, court-admissible instrument under Section 35 of the Indian Stamp Act, 1899.

Is Adira a substitute for Icertis, Ironclad, or Sirion? Only for teams that do not need enterprise scale. Adira matches none of the three on ERP integration, workflow design, or invoice reconciliation. For a smaller India-first team wanting published pricing and house-style drafting without a multi-month rollout, it is worth evaluating; for genuine enterprise-scale contracting, it is not a like-for-like alternative.

This page compares Icertis, Ironclad, and Sirion on public information as of September 2026, disclosed as written by Adira, a smaller competing product. Vendor pricing and ownership change quickly at this end of the market, so confirm current details directly with each company before buying. Nothing here is legal advice on whether a specific contract or execution process is valid or admissible in your situation; it explains the general statutory position, not your facts, and a qualified Indian lawyer should review anything you are about to sign.