Radio & TV transmitters
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
648
Active companies
476
Formed in latest 12 months
63
Median active-company age
9.9 years
Revenue known
18
Importers
149
Exporters
135
Top values shown in the chart
| Category | Companies |
|---|---|
| All companies | 648 |
| Active companies | 476 |
| Formed in latest 12 months | 63 |
| Importers | 149 |
| Exporters | 135 |
Revenue coverage among active companies: 18 known, 458 unknown (3.8%).
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 | 6 |
| 2026-01 | 1 | 6 |
| 2026-02 | 7 | 5 |
| 2026-03 | 8 | 3 |
| 2026-04 | 4 | 7 |
| 2026-05 | 4 | 6 |
| 2026-06 | 12 | 4 |
| 2026-07 | 5 | 10 |
| 2026-08 | 5 | 5 |
| 2026-09 | 6 | 1 |
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 | 414 |
| Dissolved | 160 |
| Dormant | 62 |
| Liquidation | 11 |
| In Administration | 1 |
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 | 48 |
| Berkshire, Buckinghamshire and Oxfordshire | 35 |
| Hampshire and Isle of Wight | 31 |
| Inner London - East | 31 |
| Surrey, East and West Sussex | 31 |
| Leicestershire, Rutland and Northamptonshire | 20 |
| Herefordshire, Worcestershire and Warwickshire | 19 |
| Bedfordshire and Hertfordshire | 18 |
| Greater Manchester | 16 |
| North Somerset, Somerset and Dorset | 15 |
Geography coverage: 475 known, 1 unknown (99.8%).
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 | 202 |
| 1m-15m | 82 |
| 15m-54m | 13 |
| 54m+ | 25 |
Revenue-range coverage: 322 known, 154 unknown (67.6%).
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 | 100 |
| Small | 174 |
| Medium | 4 |
| Large | 31 |
| Holding | 9 |
| Dormant | 62 |
Company-size coverage: 380 known, 96 unknown (79.8%).
Top values shown in the chart
| Employees | Companies |
|---|---|
| 0 | 91 |
| 1–9 | 140 |
| 10–49 | 31 |
| 50–249 | 15 |
Employee coverage: 277 known, 199 unknown (58.2%).
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 | 61 |
| 1–3 years | 71 |
| 3–5 years | 29 |
| 5–10 years | 77 |
| 10–20 years | 90 |
| 20+ years | 148 |
Incorporation-date coverage: 476 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 | 476 |
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 | 28 |
| Exporter only | 14 |
| Both | 121 |
| Neither | 313 |
Top imports HS2 categories
Top values shown in the chart
| HS2 category | Companies | GBP | Available dates |
|---|---|---|---|
| 85 — Electrical machinery and equipment | 142 | £81,772,229,404 | 2016-01-01 – 2026-05-01 |
| 90 — Optical and medical tools and devices | 92 | £8,273,352,398 | 2016-01-01 – 2026-05-01 |
| 84 — Machinery, boilers, and mechanical appliances; parts | 79 | £33,560,500,875 | 2016-01-01 – 2026-05-01 |
| 94 — Furniture, Lighting, and Prefabricated Buildings | 39 | £1,681,490,780 | 2016-01-01 – 2026-05-01 |
| 73 — Iron or Steel Products | 35 | £2,658,160,894 | 2016-01-01 – 2026-05-01 |
| 76 — Aluminum and aluminum products | 34 | £1,364,477,580 | 2016-01-01 – 2026-05-01 |
| 87 — Vehicles, parts, and accessories (not for trains or trams) | 30 | £3,790,439,917 | 2016-04-01 – 2026-05-01 |
| 83 — Miscellaneous metal items | 24 | £535,453,637 | 2016-03-01 – 2026-05-01 |
| 39 — Plastics and plastic products | 23 | £3,041,217,363 | 2016-02-01 – 2026-05-01 |
| 96 — Miscellaneous manufactured goods | 20 | £111,893,329 | 2016-02-01 – 2026-05-01 |
Top exports HS2 categories
Top values shown in the chart
| HS2 category | Companies | GBP | Available dates |
|---|---|---|---|
| 85 — Electrical machinery and equipment | 127 | £30,622,790,115 | 2016-01-01 – 2026-05-01 |
| 90 — Optical and medical tools and devices | 87 | £7,877,416,559 | 2016-01-01 – 2026-05-01 |
| 84 — Machinery, boilers, and mechanical appliances; parts | 60 | £13,228,173,202 | 2016-01-01 – 2026-05-01 |
| 87 — Vehicles, parts, and accessories (not for trains or trams) | 34 | £1,289,218,368 | 2016-02-01 – 2026-05-01 |
| 94 — Furniture, Lighting, and Prefabricated Buildings | 30 | £624,326,018 | 2016-01-01 – 2026-05-01 |
| 73 — Iron or Steel Products | 26 | £1,091,692,633 | 2016-01-01 – 2026-05-01 |
| 83 — Miscellaneous metal items | 22 | £260,425,271 | 2016-03-01 – 2026-05-01 |
| 88 — Aircraft, spacecraft, and their parts | 22 | £11,556,926,988 | 2016-01-01 – 2026-05-01 |
| 76 — Aluminum and aluminum products | 20 | £433,613,228 | 2016-01-01 – 2026-05-01 |
| 82 — Basic metal tools and utensils | 17 | £104,382,938 | 2016-04-01 – 2026-05-01 |
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 | 38 | 352 | 124 | 73.9% |
| Holding company | 0 | 352 | 124 | 73.9% |
| Solo founder | 152 | 352 | 124 | 73.9% |
| Ecommerce | 13 | 118 | 358 | 24.8% |
| Website | 143 | 144 | 332 | 30.3% |
| 124 | 144 | 332 | 30.3% |
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 |
|---|---|
| Domo Tactical Communications (dtc) Limited | £72,876,000 |
| Techtest Limited | £33,384,367 |
| Panorama Antennas Limited | £32,229,744 |
| Ocean Signal Limited | £26,184,434 |
| Biosite Systems Limited | £15,877,050 |
| Bertin Exensor Limited | £14,296,036 |
| Industrial Control Distributors Limited | £13,940,656 |
| Multitone Electronics P L C | £12,334,000 |
| Note Windsor Limited | £11,403,281 |
| H.r. Smith (technical Developments) Limited | £6,129,124 |
Revenue coverage: 18 known, 458 unknown (3.8%).
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 |
|---|---|
| Metal products | 25,098 |
| Foods | 24,503 |
| Other manufacturing n.e.c. | 19,693 |
| Wood products (ex furniture) | 12,005 |
| Printing | 11,866 |
| Furniture | 10,683 |
| Apparel | 10,541 |
| Machinery | 10,310 |
| Chemical products | 9,053 |
| Vehicles | 7,366 |
| Textiles | 7,294 |
| Beverages | 7,097 |
| Electrical equipment | 6,911 |
| Rubber & plastic products | 6,544 |
| Jewellery | 4,498 |
| Medical and dental instruments & supplies | 3,369 |
| Paper products | 3,159 |
| Measuring and testing equipment | 2,764 |
| Sports goods | 2,388 |
| Games and toys | 2,370 |
| Other | 24,431 |
SIC classification
SIC 26309 — Manufacture of communication equipment other than telegraph, and telephone apparatus and equipment
Includes
manufacture of transmitting and receiving antenna, manufacture of cable television equipment, manufacture of radio and television studio and broadcasting equipment, including television cameras, manufacture of radio and television transmitters
Excludes
manufacture of electronic components and subassemblies used in communications equipment, including internal/external computer modems, see ##26.1, manufacture of loaded electronic boards, see ##26.12, manufacture of computers and computer peripheral equipment, see ##26.20, manufacture of consumer audio and video equipment, see ##26.40, manufacture of GPS devices, see ##26.51, manufacture of electronic scoreboards, see ##27.90, manufacture of traffic lights, see ##27.90
Details
This class includes the manufacture of electronic audio and video equipment for home entertainment, motor vehicle, public address systems and musical instrument amplification.