Inside Ideas Group Ltd
Registered name: INSIDE IDEAS GROUP LTD
Part of The Brandtech Group Limited groupInside Ideas Group Ltd made £370m revenue and £35.1m profit in the year to 31 Dec 2024.
Inside Ideas Group Ltd’s revenue grew 3% to £370m in the year to 31 Dec 2024, with £35.1m profit and 4,351 employees. The company is classified under “advertising agencies” and is based in London; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- London
- Age
- 11 yrs · since 2014
- Type
- Private Limited Company
Key figures
Financial history
| Year to | 31 Dec 2022 | 31 Dec 2023 | 31 Dec 2024 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £344m | £358m | £370m |
| Cost of sales | −£30.5m | −£34.4m | −£37.7m |
| Gross profit | £313m | £324m | £333m |
| Operating profit | £48.1m | £45.1m | £48.3m |
| Profit before tax | £47.7m | £44.9m | £48.4m |
| Profit after tax | £37.2m | £31.7m | £35.1m |
| Profit (best available) | £37.2m | £31.7m | £35.1m |
| Employees (average) | 4,271 | 4,124 | 4,351 |
| Ratios | |||
| Profit margin | 10.8% | 8.8% | 9.5% |
| Gross margin | 91.1% | 90.4% | 89.8% |
| Revenue per employee | £80.4k | £86.9k | £85.1k |
| Profit per employee | £8.7k | £7.7k | £8.1k |
| Growth (year on year) | |||
| Revenue growth | — | ▲4.3% | ▲3.3% |
| Profit growth | — | ▼14.7% | ▲10.7% |
| Headcount growth | — | ▼3.4% | ▲5.5% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Aug 2024 | Accounts · bulk data Aug 2024 | Accounts · bulk data Aug 2025 |
How the business works
- Profit margin
- 9.5%
- Profit ÷ revenue.
- Gross margin
- 89.8%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £85.1k
- Revenue ÷ average employees.
- Profit per employee
- £8.1k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- —
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- —
- Money owed by customers. Low = customers pay quickly.
Balance-sheet signals
Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.
- Net assets
- —
- Now —
- Cash at bank
- —
- Now —
- Headcount
- ▲6%
- Now 4,351
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- The Brandtech Group Limitedultimate parent75–100%
- Inside Ideas Group Ltdthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (7)
- Adjust Your Set Holdings LimitedFigures not disclosed
- Aylesworth Fleming LimitedFigures not disclosed
- Dare Digital LimitedFigures not disclosed
- Inside Ideas Group (Group Services) LimitedFigures not disclosed
- Inside Ideas Group (Trading) LimitedFigures not disclosed
- More Global Production Portal LimitedFigures not disclosed
- Oliver Marketing LimitedFigures not disclosed
Sister companies (7)
- Fifty-Five UK LtdRev. £9.2m · Profit £1.9m
- Gravity Road LimitedRev. £7.6m · Profit −£41k
- Acorn Intelligence LimitedFigures not disclosed
- Brandtech Media LimitedFigures not disclosed
- Mobkoi LimitedFigures not disclosed
- Mofilm LtdFigures not disclosed
- Pencil AI LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Dec 2024 (profit £35.1m), from the Companies House accounts bulk data published Aug 2025. Spotted an error? Request a correction.
Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.