Interaction Associates Limited
Registered name: INTERACTION ASSOCIATES LIMITED
Part of GRPH Limited groupInteraction Associates Limited made £28.6m revenue and £712k profit in the year to 31 Mar 2026.
Interaction Associates Limited’s revenue fell 3% to £28.6m in the year to 31 Mar 2026, with £712k profit and 57 employees. The company is classified under “other specialised construction activities” and is based in Bath; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- Bath, South West
- Age
- 34 yrs · since 1992
- Type
- Private Limited Company
Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2025 | 31 Mar 2026 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £29.3m | £28.6m |
| Cost of sales | £22.8m | £22.2m |
| Gross profit | £6.5m | £6.4m |
| Operating profit | £1.5m | £1m |
| Profit before tax | £1.6m | £1.1m |
| Profit after tax | £1.3m | £712k |
| Profit (best available) | £1.3m | £712k |
| Staff costs | £3.3m | £3.5m |
| Employees (average) | 53 | 57 |
| Ratios | ||
| Profit margin | 4.3% | 2.5% |
| Gross margin | 22.2% | 22.3% |
| Revenue per employee | £553k | £501k |
| Profit per employee | £23.8k | £12.5k |
| Growth (year on year) | ||
| Revenue growth | — | ▼2.6% |
| Profit growth | — | ▼43.5% |
| Headcount growth | — | ▲7.5% |
| Balance sheet — indirect signals, not revenue | ||
| Cash at bank | £2.6m | £4m |
| Net assets | £4.3m | £3.7m |
| Fixed assets | £709k | £643k |
| Current assets | £12.1m | £12.9m |
| Debtors | £5m | £3.6m |
| Deferred income | £4.4m | £5.1m |
| Source | FullAccounts · bulk data Jul 2026 | FullAccounts · bulk data Jul 2026 |
How the business works
- Profit margin
- 2.5%
- Profit ÷ revenue.
- Gross margin
- 22.3%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £501k
- Revenue ÷ average employees.
- Profit per employee
- £12.5k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 2.3%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 17.9%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 12.7%
- 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
- ▼14%
- Now £3.7m
- Cash at bank
- ▲55%
- Now £4m
- Headcount
- ▲8%
- Now 57
- Deferred income
- ▲16%
- Now £5.1m
- Fixed assets
- ▼9%
- Now £643k
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Ownership chain
- GRPH Limitedultimate parent75–100%
- Interaction Associates Limitedthis company
Bands show the share of ownership each company holds in the one below it.
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
- Whiting Landscape LimitedWorcestershire · Other specialised construction activities n.e.c.
- Revenue
- £28.6m
- Profit
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- Staff
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- Ideal Building Systems LimitedBridlington · Other specialised construction activities n.e.c.
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- Mecalux (U.K.) LimitedBirmingham · Other specialised construction activities n.e.c.
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- D J Swallow Construction LimitedNewark · Other specialised construction activities n.e.c.
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- Kilhan Construction LtdLondon · Other specialised construction activities n.e.c.
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- Geoxyz UK LimitedAberdeen · Other specialised construction activities n.e.c.
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Sources
Latest figures from FullAccounts for the year to 31 Mar 2026 (profit £712k), from the Companies House accounts bulk data published Jul 2026. 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.