Why our hybrid approach (AI + human review) beats pure manual or pure automation.
| Metric | 100% Manual | AI + Human (Us) | 100% AI (No Review) |
|---|---|---|---|
| Tagging Speed | 4-8 hours | 2-5 minutes | 1-3 minutes |
| Accuracy Rate | 95-97% | 99.8% | 92-94% |
| Consistency (year-on-year) | |||
| Edge Case Handling | |||
| Cost (per filing) | £800-1200 | £295-695 | £150-250 |
| HMRC Acceptance Rate | 98.5% | 99.7% | 89-92% |
AI excels at patterns (90% of accounts are standard). Humans excel at exceptions (foreign currency, discontinued operations, restated comparatives). Our model: AI does the heavy lifting, UK-qualified accountants review edge cases. Result: 99.8% accuracy at 1/3 the cost of pure manual.
Trained on 10,000+ UK accounts. Continuously improving with every filing.
10,000+ manually verified UK accounts (2018-2024). FRS 102, FRS 105, Charities SORP, LLP variants. All company sizes.
200+ features per line item: position in document, numeric format, surrounding words, parent-child relationships, prior year tag.
Transformer-based (BERT fine-tuned on UK GAAP terminology). Gradient boosting for numeric validation. Ensemble voting for final tag selection.
Every human correction feeds back into model. Monthly retraining. A/B testing new architectures. Accuracy improves 0.1-0.2% quarterly.
No. AI does initial tagging (2-5 minutes). Then UK-qualified accountant reviews 100% of output (30-60 minutes). Human focuses only on AI's "low confidence" flags + edge cases. This hybrid approach: 10x faster than pure manual, 5x more accurate than pure AI.
Human reviewer catches it. Our QA process: (1) AI flags own uncertainty (confidence score <95%), (2) Reviewer checks all flagged items + random sample of high-confidence tags, (3) Final validation run against 50+ HMRC rules. In 3 years, our HMRC acceptance rate is 99.7%—higher than industry average 98.5%.
Yes. Client portal shows audit trail: AI initial tag, confidence score, human correction (if any), reason for correction. Typical filing: 80% tags are AI-only (95%+ confidence), 15% are AI + human tweak, 5% are 100% human (complex edge cases AI couldn't handle).
Yes (with permission). After first year, AI recognizes your entity-specific patterns (unusual terminology, custom note structures). Returning clients see 85-90% automation rate (vs 80% for new clients). Your data never trains competitor filings—model updates are anonymized and aggregated.
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