← Back to On3 Works
— INDEX · INSIGHTS

Research on hiring engineers.

Sourced, comparative, and written for hiring managers and founders making real trade-offs.

GUIDE · AI-PIPELINE · 11 min read

AI Recruiting: How It Works, What It Costs, and When It Fits (2026)

Inside ON3's pipeline: keyword filtering, vector embeddings, fine-tuned LLM vetting, live AI candidate conversations, and the senior engineer interview that follows.

Read article →
GUIDE · FEES-UK · 12 min read

Recruitment Agency Fees UK: What Employers Pay in 2026 (+ Calculator)

Contingency, retained and RPO fee models broken down with real UK examples, the costs hidden behind the headline percentage, and how AI-native fees compare.

Read article →
GUIDE · FEE-TOOL · Free tool

Recruitment Fee Calculator UK 2026: Fee, VAT and Rebate

Enter the salary and the agency's percentage: the fee, the VAT, what is due before anyone starts, what a rebate returns if the hire leaves, and the same hire at 7%. Shareable results.

Read article →