How much should a new enquiry cost in new law and consultant models?

A new enquiry in consultant-led models typically costs between £40 and £120, depending on practice area. However, because consultants often manage their own pipelines, the focus should shift to Cost Per Instruction (CPI). In high-growth new law models, an efficient CPI generally sits between 5% and 15% of the projected fee.

Why is the consultant model different for enquiry costs?

In traditional law firms, marketing spend is often centralised, and leads are distributed by a department head. In "new law" or consultant platforms—which represent a growing segment of the 25,099 organisations on the SRA register—the dynamic shifts. Consultants often operate as self-employed entities within a central brand, responsible for their own business development or paying a premium for centrally provided leads.

Because the consultant usually retains a larger share of the fee (often 60-80%), the margin for enquiry acquisition is slimmer for the central platform but highly sensitive for the individual lawyer.

How do you calculate Cost Per Enquiry (CPE)?

To find your CPE, you must aggregate all costs associated with generating a lead before it is qualified. This includes:

• Direct Ad Spend: PPC, LinkedIn Ads, or paid directories.
• Platform Fees: Pro-rated costs of the website or lead-gen portals.
• Content & SEO: The monthly investment in organic visibility.
• Events/Networking: Costs for webinars or seminars hosted by the consultant.

The Formula: Total Marketing Spend ÷ Number of Enquiries (Calls, Forms, Emails) = CPE.

What is a "good" Cost Per Instruction (CPI)?

CPE is a vanity metric if those enquiries do not convert. In a consultant model, where the lawyer is the salesperson, conversion rates can vary wildly. The CPI is a more accurate reflection of health.

If a consultant in London (where 7506 firms are headquartered according to SRA data) spends £1,000 on a campaign that generates 10 enquiries (CPE £100) but only 1 instruction, the CPI is £1,000. If that instruction is for a £5,000 matter, the acquisition cost is 20%. For a consultant-led model, this is often the upper limit of sustainability.

Which factors drive enquiry costs up or down?

The "Consultant Brand" vs. "Platform Brand"

If the enquiry is driven by the individual consultant’s reputation (referrals, personal LinkedIn), the CPE is technically the cost of the consultant's time. If the platform provides the lead, the cost includes the "brand tax" of maintaining a high-authority domain that competes in major hubs like Manchester (569 firms) or Birmingham (474 firms).

Practice Area Volatility

• High Volume/Fixed Fee (e.g., Conveyancing): CPE must be low (e.g., £25-£45) because margins are tight.
• High Value/Complex (e.g., HNW Divorce, M&A): A CPE of £200+ may be acceptable if the instruction value exceeds £15,000.

Conversion Speed

Consultants who follow up within 5 minutes typically see a 30-50% lower CPI than those who wait 24 hours. In a model where the fee earner owns the pipeline, "leaky buckets" in the follow-up process are the primary cause of inflated enquiry costs.

Illustrative Worked Example: The "Platform Lead" Scenario

Consider a consultant-led firm operating in Leeds (288 firms per SRA data) focusing on commercial contracts.

• Monthly Marketing Spend: £3,000 (PPC and LinkedIn Ads)
• Total Enquiries Generated: 40
• Calculated CPE: £75 per enquiry

In this model, the enquiries are distributed to five self-employed consultants.

• Consultant A receives 20 enquiries and instructs 4 (20% conversion). Their CPI is £375.
• Consultant B receives 20 enquiries and instructs 1 (5% conversion). Their CPI is £1,500.

If the average instruction value is £3,000:

• Consultant A's acquisition cost is 12.5% (Healthy).
• Consultant B's acquisition cost is 50% (Unsustainable).

This illustrates that the "cost" of an enquiry is not just the ad spend, but the efficiency of the consultant handling it. The platform is paying £75 for every lead, but the lack of conversion by Consultant B effectively doubles the firm's average CPI.

To accurately measure your enquiry costs, you must move beyond spreadsheets and into real-time pipeline visibility. Managing partners should audit their current "lead-to-instruction" ratio for every consultant.

IntelligenceIQ empowers new law platforms by:

• Linking every pound spent on marketing to a specific instruction.
• Identifying which consultants are letting expensive enquiries go cold.
• Providing transparent reporting that proves the value of the platform’s lead generation to its consultants.

Stop guessing your acquisition costs. Use IntelligenceIQ to see exactly which enquiries are turning into fees.