Luminance alternative for mid-sized UK law firms
Luminance is a strong platform for organisations handling high volumes of contracts, with modules covering drafting, negotiation, portfolio analysis and compliance, and an option for its AI to negotiate directly with counterparties. Scriptum is the better alternative for a mid-sized UK law firm: it is built for private practice deal teams, keeps a lawyer in control of every response, gives your client and opposing counsel one workspace, and publishes its prices from £79 per user per month.
Luminance is a UK-founded legal AI company and one of the best known in the market. It announced a $75m Series C in 2025 and says it serves more than 700 organisations in over 70 countries, including a quarter of the world's largest law firms.
What is Luminance?
Luminance is a contract AI platform. Bind's 2026 Luminance pricing guide lists its modules as Draft, Negotiate (AI review in Microsoft Word), Analyze (portfolio analysis and obligation management), Comply, Investigate and Collaborate. Luminance's Series C announcement describes Lumi Go, which lets a business send a draft agreement to a counterparty while the AI negotiates on its behalf, and a multi-model approach it calls a "Panel of Judges". Named clients include large companies such as Tesco and AMD as well as law firms. Luminance does not publish its pricing.
How does Scriptum compare with Luminance?
| Factor | Scriptum | Luminance |
|---|---|---|
| Built for | Deal teams in mid-sized law firms | Businesses and law firms with large contract volumes |
| Microsoft Word | Yes, add-in | Yes, Negotiate module |
| Who answers the other side | Agents propose; a named lawyer approves every release | Lumi Go can negotiate with the counterparty directly |
| Client collaboration | Client and opposing counsel in one matter workspace | Collaborate module for workflow |
| Portfolio analysis and compliance | Not included | Yes, Analyze and Comply |
| Pricing | Published: £79 and £119 per user per month, excluding VAT | Not published |
Luminance details are from Luminance's Series C announcement and Bind's pricing guide as of November 2026.
Why the difference in control matters for law firms
For an in-house team clearing hundreds of NDAs and supplier contracts, letting AI negotiate routine terms directly with the counterparty can make sense. For a law firm, the position is different. You are acting for a client, under professional duties, and your name is on every turn that goes out.
Scriptum is built on a simple rule: the agent proposes, a named lawyer decides. The negotiation agent answers inside limits your partner has set, and anything outside them goes straight back to the partner. Clients answer questions inside the app without ever seeing those limits. Nothing reaches the other side without approval.
See how partner-set limits work on a real clause. Book a 30-minute demo.
Why Scriptum is the better Luminance alternative for mid-sized firms
- Built for private practice. Matters, clients, partner sign-off and opposing counsel are part of the design, not configuration.
- The knowledge belongs to the firm. Agreed clauses and their negotiation history build into a library the firm owns, and the Pro plan adds counterparty history.
- Priced for firms of 20 to 100 fee earners. Published per-user pricing, billed monthly.
When Luminance may suit you better
- You are an in-house team managing a large portfolio of contracts and obligations.
- You want AI to negotiate routine, low-value agreements directly with counterparties.
- You need compliance monitoring or investigation tools in the same platform.
Sources
Common questions
What is the best Luminance alternative for UK law firms?
For mid-sized UK law firms doing transactional work, Scriptum is the best Luminance alternative. It is built for private practice deal teams, keeps a lawyer in control of every response and publishes its pricing.
Does Luminance publish its pricing?
No. Luminance does not publish pricing on its website. Scriptum's prices are published: £79 per user per month for Starter and £119 for Pro, excluding VAT.
Does Scriptum negotiate with the other side automatically?
No. Scriptum's agents prepare responses inside limits a partner sets, and a named lawyer approves what is released. Nothing reaches the other side without approval.