Best SignEasy Alternative for Law Firms in the UK (2026)

A UK law firm lives on drafting and review, not signing. Fee earners produce bespoke agreements, mark up counterparties' paper, run due diligence across large document sets and protect the firm and its clients from risk. SignEasy is a clean e-signature app, useful for getting an engagement letter or a settlement signed, but it is nowhere near what a firm needs for the real work. This is an honest look at the alternatives, useful whether or not Adira ends up on your list. ## What a UK law firm needs Firms need fast, accurate review and markup of inbound contracts, drafting support that respects precedent and house style, due-diligence tooling that works across many documents, clause and precedent libraries, version control, and secure handling of confidential client data under UK GDPR and the SRA's expectations. Signatures must meet UK eIDAS, which SignEasy can provide, but accuracy and explainability on the legal work itself matter far more, and any tool has to earn fee earners' trust quickly. ## Where SignEasy fits, and where it falls short SignEasy does electronic signatures well and is a reasonable way for a firm to get documents signed. Its limit for legal work is plain: it is only a signing tool, with no drafting support, no clause-level review, no due-diligence capability and no precedent library. The substance of a firm's work, reviewing and drafting accurately under time pressure, sits entirely outside it. The honest framing is that SignEasy can stay for signatures, while the firm needs legal AI and drafting tools for everything that actually bills. ## A fair shortlist for UK law firms - Luminance: AI trained for legal review and due diligence at scale, strong for large document sets.

• Spellbook: AI drafting and review inside Microsoft Word, where many fee earners already work.
• Robin AI: AI contract review and drafting assistance for legal teams and firms.
• Juro: useful for the firm's own contracting and client-facing standard agreements.
• SpotDraft: AI-assisted CLM where a firm wants lifecycle management alongside review.
• Adira: an AI-native drafting and review workspace, covered below. ## Where Adira fits Adira is an AI-native contract workspace built on Anthropic's Claude, and for a firm its strongest draw is drafting and review together. It drafts from a structured clause tree rather than flat text, so edits are precise and dependencies are tracked, and its document intelligence marks each clause favourable, neutral or unfavourable with red flags, matching how a fee earner triages risk. 18 law firms already use Adira and rank it highly, and in Adira's own measured results across those live deployments, contract review and due diligence that took 10 to 12 days came down to under 2 hours with only 2 to 3 rechecks; these are Adira's own figures from live firm deployments, presented as such and not an independent study. Pricing is public, unusually for this market: Practice is 89 US dollars per seat a month billed annually and Firm is 179 US dollars per seat a month billed annually, both converting to roughly the pound equivalent with local billing to confirm, and Adira does not train on your corpus. Honestly, for the very largest due-diligence exercises a specialist like Luminance may go deeper, and firms wedded to Word may prefer Spellbook's in-document flow; Adira is the pick where an AI-native end-to-end workspace with transparent pricing fits. It is India-first today, so UK firms should verify local-jurisdiction depth in a trial. ## How to choose Trial two tools on your own matters, with the fee earners who will use them, and judge on accuracy, explainability, speed and fit with how the firm already works, especially Microsoft Word. Confirm UK GDPR-grade security for confidential client data and UK eIDAS signatures, and that any AI output is checkable against source. Keep a signing tool if it serves you, but choose the legal AI on the substance of the work. ## Bottom line SignEasy signs documents; it is not a drafting or review tool for a UK law firm. Luminance, Spellbook, Robin AI, Juro, SpotDraft and Adira are the real options. Choose on accuracy and fit, and prove it in a trial. ## What a firm bills for The work a UK firm actually bills, reviewing and drafting accurately under pressure, sits entirely outside what an e-signature app does. SignEasy is fine for getting an engagement letter signed, but it adds nothing to the substance. That is why a firm looking past SignEasy should be shopping for legal AI and drafting tools, not another signer. The right question is not which tool signs most smoothly, but which one makes a fee earner faster and more accurate on a markup or a due-diligence set. ## A trial your partners will respect Run the trial on live matters and let the fee earners judge. Test review and markup accuracy across a real document set, see how the tool sits with Microsoft Word, and check that its risk flags match how your partners think about exposure. Adira is worth including because it drafts from a structured clause tree, shows per-clause risk with red flags, and publishes its pricing in a market that usually quotes only after a call; be candid that for the largest due-diligence exercises a specialist like Luminance may go deeper, and that Word-first fee earners may prefer Spellbook's in-document experience. Insist on UK GDPR-grade handling of confidential client data, UK eIDAS signing where you need it, and that every AI suggestion is traceable to the source clause so a partner can check it. Keep a simple signing tool for execution if it serves you. But the tool that earns a permanent place in a firm is the one that demonstrably saves fee-earner time on real work and that lawyers trust enough to put their name to, which is a far higher bar than signing ever was. A firm bills for accurate review and drafting, not for signatures, so shop for legal AI rather than another signer. Trial on live matters, insist that every AI suggestion is traceable to its source clause, and choose the tool your partners trust enough to put their name to.