Transmission
UK companies organised by the CorpSignals industry, segment, and subsegment taxonomy.
Company snapshot
What this shows: the size and current activity of this classification, plus recent formations, company age, revenue coverage, and trade participation.
All companies
1165
Active companies
831
Formed in latest 12 months
94
Median active-company age
4.4 years
Revenue known
11
Importers
20
Exporters
5
Top values shown in the chart
| Category | Companies |
|---|---|
| All companies | 1,165 |
| Active companies | 831 |
| Formed in latest 12 months | 94 |
| Importers | 20 |
| Exporters | 5 |
Revenue coverage among active companies: 11 known, 820 unknown (1.3%).
Company formations
What this shows: monthly incorporations and dissolutions from 1 January 2024, including companies of every current status.
Latest ten months shown in the chart
| Month | Formed | Dissolved |
|---|---|---|
| 2025-12 | 6 | 17 |
| 2026-01 | 4 | 14 |
| 2026-02 | 6 | 10 |
| 2026-03 | 13 | 8 |
| 2026-04 | 7 | 14 |
| 2026-05 | 14 | 8 |
| 2026-06 | 12 | 4 |
| 2026-07 | 3 | 16 |
| 2026-08 | 10 | 6 |
| 2026-09 | 6 | 17 |
Window: 2024-01 to 2026-09.
Company status
What this shows: all current Companies House status values. Companies House Active records with dormant accounts are shown as Dormant; the remaining Companies House Active records are shown as Active. Blank and missing values are combined as Unknown.
Top values shown in the chart
| Status | Companies |
|---|---|
| Active | 735 |
| Dissolved | 324 |
| Dormant | 96 |
| Liquidation | 10 |
Active companies by UK region
What this shows: active companies with a known ITL2 region. The UK map falls back to a bar chart if map data cannot be loaded.
Top values shown in the chart
| ITL2 region | Companies |
|---|---|
| Inner London - West | 123 |
| Greater Manchester | 106 |
| Inner London - East | 69 |
| South East Wales | 59 |
| Northern Ireland | 30 |
| Surrey, East and West Sussex | 29 |
| Kent | 27 |
| West Central Scotland | 27 |
| Outer London - West and North West | 24 |
| Outer London - East and North East | 22 |
Geography coverage: 823 known, 8 unknown (99.0%).
Revenue ranges
What this shows: active companies grouped into the platform’s ordered estimated-revenue bands.
Top values shown in the chart
| Revenue range | Companies |
|---|---|
| 0-1m | 404 |
| 1m-15m | 100 |
| 15m-54m | 7 |
| 54m+ | 57 |
Revenue-range coverage: 568 known, 263 unknown (68.4%).
Company size and employees
What this shows: active companies by published size category and by reported employee count.
Top values shown in the chart
| Company size | Companies |
|---|---|
| Micro | 254 |
| Small | 215 |
| Large | 85 |
| Holding | 20 |
| Dormant | 96 |
Company-size coverage: 670 known, 161 unknown (80.6%).
Top values shown in the chart
| Employees | Companies |
|---|---|
| 0 | 192 |
| 1–9 | 208 |
| 10–49 | 17 |
Employee coverage: 417 known, 414 unknown (50.2%).
Active-company age
What this shows: how long currently active companies have been incorporated.
Top values shown in the chart
| Age band | Companies |
|---|---|
| Under 1 year | 94 |
| 1–3 years | 177 |
| 3–5 years | 187 |
| 5–10 years | 154 |
| 10–20 years | 178 |
| 20+ years | 41 |
Incorporation-date coverage: 831 known, 0 unknown (100.0%).
Classification breakdown
What this shows: active companies across the next taxonomy level; direct assignments are labelled separately. The top 20 are shown and remaining values are combined as Other.
Top values shown in the chart
| Classification | Companies |
|---|---|
| Directly assigned to this segment | 831 |
International trade
What this shows: active-company participation in imports and exports, followed by the ten HS2 categories involving the most distinct companies.
Top values shown in the chart
| Trade participation | Companies |
|---|---|
| Importer only | 16 |
| Exporter only | 1 |
| Both | 4 |
| Neither | 810 |
Top imports HS2 categories
Top values shown in the chart
| HS2 category | Companies | GBP | Available dates |
|---|---|---|---|
| 85 — Electrical machinery and equipment | 15 | £9,809,188,336 | 2016-01-01 – 2026-05-01 |
| 90 — Optical and medical tools and devices | 13 | £1,264,611,481 | 2016-01-01 – 2026-05-01 |
| 84 — Machinery, boilers, and mechanical appliances; parts | 7 | £5,062,956,617 | 2016-01-01 – 2026-04-01 |
| 76 — Aluminum and aluminum products | 6 | £82,607,373 | 2018-06-01 – 2026-04-01 |
| 73 — Iron or Steel Products | 5 | £470,073,751 | 2016-11-01 – 2025-01-01 |
| 83 — Miscellaneous metal items | 4 | £43,327,911 | 2017-02-01 – 2025-09-01 |
| 94 — Furniture, Lighting, and Prefabricated Buildings | 4 | £130,500,241 | 2017-05-01 – 2026-05-01 |
| 74 — Copper and copper products | 3 | £36,807,306 | 2022-01-01 – 2026-02-01 |
| 39 — Plastics and plastic products | 2 | £153,179,380 | 2022-11-01 – 2024-05-01 |
| 72 — Iron and Steel | 2 | £4,735,590 | 2017-10-01 – 2022-11-01 |
Top exports HS2 categories
Top values shown in the chart
| HS2 category | Companies | GBP | Available dates |
|---|---|---|---|
| 85 — Electrical machinery and equipment | 5 | £945,076,221 | 2016-05-01 – 2026-02-01 |
| 90 — Optical and medical tools and devices | 4 | £735,735,239 | 2016-11-01 – 2026-05-01 |
| 84 — Machinery, boilers, and mechanical appliances; parts | 3 | £895,697,619 | 2016-05-01 – 2024-10-01 |
| 49 — Printed materials like books, newspapers, and pictures | 2 | £268,198,620 | 2021-11-01 – 2022-04-01 |
| 73 — Iron or Steel Products | 2 | £30,787,707 | 2019-07-01 – 2024-02-01 |
| 76 — Aluminum and aluminum products | 2 | £8,011,228 | 2017-11-01 – 2024-11-01 |
| 94 — Furniture, Lighting, and Prefabricated Buildings | 2 | £9,207,669 | 2020-07-01 – 2026-01-01 |
| 95 — Toys, games, and sports equipment | 2 | £1,148,942 | 2021-11-01 – 2024-05-01 |
| 39 — Plastics and plastic products | 1 | £84,022,037 | 2024-08-01 – 2024-08-01 |
| 40 — Rubber and rubber products | 1 | £1,134,761 | 2023-05-01 – 2023-05-01 |
Business and digital traits
What this shows: active companies identified with selected ownership, business-model, and online-presence traits.
Values shown in the chart with data coverage
| Trait | Companies | Known | Unknown | Coverage |
|---|---|---|---|---|
| Family business | 34 | 526 | 305 | 63.3% |
| Holding company | 1 | 526 | 305 | 63.3% |
| Solo founder | 250 | 526 | 305 | 63.3% |
| Ecommerce | 1 | 10 | 821 | 1.2% |
| Website | 15 | 16 | 815 | 1.9% |
| 14 | 16 | 815 | 1.9% |
Leading active companies
What this shows: the ten active companies with the highest non-missing revenue, with company number used as the deterministic tie-breaker.
Top values shown in the chart
| Company | Revenue |
|---|---|
| Diamond Transmission Partners Hornsea Two Limited | £77,689,000 |
| South Shields Energy Storage Ltd | £6,498,022 |
| Phase M/e Solutions Limited | £4,986,769 |
| Enel X Uk Limited | £3,327,699 |
| Solar Century Africa Limited | £2,222,314 |
| Smith Brothers Developments Limited | £229,579 |
| Bp Offshore Ltd | £132,997 |
| Adtek Limited | £76,147 |
| Grandsam Investments Limited | £17,417 |
| Kubon Limited | £565 |
Revenue coverage: 11 known, 820 unknown (1.3%).
Related classifications
What this shows: sibling classifications ranked by distinct active companies, excluding the current node. The top 20 are shown and remaining values are combined as Other.
Top values shown in the chart
| Classification | Companies |
|---|---|
| Production | 11,180 |
| Trade | 3,106 |
| Distribution | 1,517 |
SIC classification
SIC 35120 — Transmission of electricity
Includes
operation of transmission systems that convey the electricity from the generation facility to the distribution system