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- Senior plc
Senior plc Acquisition, Valuation & Financials
Senior plc was acquired by Zeus UK Bidco for $1.5B in April 2026.
Senior plc acquisition price
$1.5B
Acquired by Zeus UK Bidco · Apr 2026
Senior plc market cap before the deal
$1.6B
LON: SNR · Oct 2026
About Senior plc
Senior PLC produces technology components and systems for original equipment manufacturers in aerospace, defense, land vehicles, and energy markets. It is divided into two divisions: Aerospace and Flexonics. Aerospace technology provides products and systems for demanding applications in aerospace & defense and adjacent markets, its products include fluid conveyance, and thermal management components. Flexonics provides technology products and systems for demanding applications in land vehicles, power & energy, and adjacent markets, its products include petrochemicals, renewable energy, and a variety of other industrial applications. The company has revenue from its Aerospace Segment. Operations are located in North America and Europe, majority of revenue from USA.
Founded
1933
HQ
Website
Status
Acquired
Customer focus
B2B
Revenue model
Product sales
Valuation
$1.5B (acquired Apr 2026)
Sectors
Senior plc Acquisition
Senior plc was acquired by Zeus UK Bidco for $1.5B on 6 April 2026.
| Acquirer | Date | Type | Price |
|---|---|---|---|
| 6 Apr 2026 | PE buyout | $1.5B |
Senior plc as a Public Company
Senior plc traded as LON: SNR before it was taken private. Its acquisition was announced in April 2026. October 2026 is its last month on record as a listed company, with a market cap of $1.6B and an enterprise value of $1.8B.
Over the 4 years before that, its market cap grew from $630M in October 2022 to $1.6B.
Senior plc market cap while listed
Senior plc EV/Revenue (LTM) while listed
| As of | Market cap | Revenue (LTM) | EBITDA (LTM) | EBITDA margin | EV/Revenue | EV/EBITDA |
|---|---|---|---|---|---|---|
| Oct 2026 | $1.6B | - | - | - | - | - |
| Oct 2025 | $1B | $1.1B | $125M | 11% | 1.1x | 10.4x |
| Oct 2024 | $709M | $1.2B | $121M | 10% | 0.8x | 8.4x |
| Oct 2023 | $787M | $1.2B | $117M | 10% | 0.9x | 8.7x |
| Oct 2022 | $630M | $906M | $82M | 9% | 0.9x | 9.8x |
Market cap, enterprise value and last-twelve-month figures are month-end values, up to the last month Senior plc traded.
Acquisitions by Senior plc
Senior plc has acquired 4 companies to date.
Last acquisition by Senior plc was on June 9th 2022. Senior plc acquired Spencer Aerospace Manufacturing for $100M.
Latest Acquisitions by Senior plc
| Description | Spencer Aerospace Manufacturing is a Valencia-headquartered company specializing in precision CNC machining of hydraulic fluid fittings for aerospace applications. Founded in 2013, it produces components compliant with AS9100 standards for aircraft manufacturers like Boeing and Lockheed Martin. Services include prototyping, testing, and assembly in mechanical engineering fields. | STEICO Industries manufactures tubing, ducting assemblies, and installs aerospace fittings for aviation applications across various complexity levels. | Lymington Precision Engineering is a Lymington, UK-headquartered manufacturer producing machined components, welded fabrications, and assembly kits for aerospace, defense, oil and gas, telecommunications, nuclear, and marine sectors. The company supplies parts to programs like Eurofighter Typhoon and supports land systems for military vehicles. With ISO 9001 and AS9100 certifications, it operates from a 50,000-square-foot facility serving clients including BAE Systems and Rolls-Royce. | UPECA Technologies is a Saudi Arabia-headquartered manufacturer of precision-machined components for aerospace engines and oilfield equipment. Operating from Dammam Industrial City, it produces turbine blades, valves, and manifolds using CNC mills accurate to 0.001 mm tolerances. Certified to AS9100 and API standards, UPECA supplies Aramco and Boeing subcontractors. Established in 2005, the facility spans 15,000 square meters with 150 employees. |
| HQ Country | ||||
| HQ City | - | San Diego, CA | Southampton | Shah Alam |
| Deal Date | 9 Jun 2022 | 19 Nov 2015 | 1 Apr 2015 | 10 Mar 2014 |
| Valuation | $100M | $90M | $98M | $126M |
| EV/Revenue | ||||
| EV/EBITDA | ||||
This data is available for Pro users. Sign up to see all Senior plc acquisitions and their M&A valuation multiples. Start Free Trial | ||||
Senior plc Competitors
Senior plc competitors include listed companies like Action Construction, Shaily Engineering, C Sun Manufacturing and OPmobility, and private ones like Zhenkunxing and Essex Furukawa.
| Company | HQ | Status | Revenue | EBITDA | Valuation | Revenue Multiple |
|---|---|---|---|---|---|---|
| Publicly listed | $348M | $59M | $1.5B | - | ||
| Publicly listed | $104M | $31M | $1.5B | 12.3x | ||
| Publicly listed | $146M | $32M | $1.5B | 4.6x | ||
| Publicly listed | $11B | $878M | $1.5B | 0.3x | ||
| Private | - | - | $1.9B | - | ||
| Private | - | $300M | $1B | - |
Senior plc Public Comps
Senior plc is no longer listed, but its public comps include Action Construction, Shaily Engineering, C Sun Manufacturing, OPmobility, Aequs, Comer Industries, Sedemac Mechatronics, Usha Martin, Helios Technologies and Proto Labs.
| Last FY | EV/Revenue | EV/EBITDA | ||||||
|---|---|---|---|---|---|---|---|---|
| Revenue | EBITDA | Last FY | LTM | 2027E | Last FY | LTM | 2027E | |
| $348M | $59M | 4.0x | - | 23.7x | - | |||
| $104M | $31M | 14.4x | 12.3x | 49.2x | 40.7x | |||
| $146M | $32M | 10.3x | 4.6x | 47.2x | 37.8x | |||
| $11B | $878M | 0.3x | 0.3x | 3.6x | 3.1x | |||
| $127M | $13M | 12.5x | 9.5x | 125.5x | 123.4x | |||
| $1B | $163M | 1.6x | 1.2x | 10.1x | 7.9x | |||
| $112M | $24M | 13.0x | 10.2x | 61.9x | 52.3x | |||
| $382M | $79M | 4.0x | 3.5x | 19.3x | 17.7x | |||
This data is available for Pro users. Sign up to see all Senior plc competitors and their valuation data. Start Free Trial | ||||||||
Common questions about Senior plc
| When was Senior plc founded? | Senior plc was founded in 1933. |
| Where is Senior plc headquartered? | Senior plc is headquartered in London, United Kingdom. |
| Is Senior plc publicly listed? | No, Senior plc was acquired by Zeus UK Bidco in April 2026. |
| Who acquired Senior plc? | Senior plc was acquired by Zeus UK Bidco in April 2026. |
| How much was Senior plc acquired for? | Senior plc was acquired for $1.5B in April 2026. |
| Which companies are comparable to Senior plc? | Companies comparable to Senior plc include Action Construction, Shaily Engineering, C Sun Manufacturing, OPmobility, Zhenkunxing and Essex Furukawa. |
| What was Senior plc's market cap before the acquisition? | Senior plc had a market cap of $1.6B in October 2026, its last month on record as a listed company. |
| How many companies has Senior plc acquired? | Senior plc has acquired 4 companies, including Spencer Aerospace Manufacturing, STEICO Industries, Lymington Precision Engineering and UPECA. |
| What was the largest acquisition by Senior plc? | The $126M acquisition of UPECA in March 2014 is the largest acquisition Senior plc has made to date. |
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