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Diploma supplies technical products and services. It operates through Life Sciences, Seals, and Controls business sectors. The Life Sciences sector supplies consumables and instruments for the diagnostic testing of blood, tissue, and other samples in hospital pathology laboratories. The Seals sector supplies a range of seals, gaskets, filters, cylinders, components, and kits used in heavy mobile machinery and specialized industrial equipment. The Controls sector offers electrical wiring, protective sleeving, connectors and harnessing products, aerospace-quality fasteners, seals, customized assemblies, kits, and cable accessories for technical applications in aerospace, defense, motorsport, energy, medical, rail, and industrial industries. 

HQLondon, GB

Latest Updates

Employees (est.) (Jun 2020)2,100(+17%)
Revenue (FY, 2018)£485.1 M(+8%)
Share Price (Oct 2021)£29.1
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Key People/Management at Diploma

John Nicholas

John Nicholas

Non-Executive Chairman
Johnny Thomson

Johnny Thomson

Chief Executive Officer, Director
Barbara Gibbes

Barbara Gibbes

Chief Financial Officer, Director
Anne Thorburn

Anne Thorburn

Non-Executive Director
Geraldine Huse

Geraldine Huse

Non-Executive Director
Andy Smith

Andy Smith

Non-Executive Director
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Diploma Office Locations

Diploma has an office in London
London, GB (HQ)
12 Charterhouse Square
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Diploma Financials and Metrics

Diploma Revenue

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Diploma's revenue was reported to be £485.1 m in FY, 2018 which is a 7.3% increase from the previous period.

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Closing stock price (15-Oct-2021)


Cash (30-Sept-2018)

Diploma's current market capitalization is £3.6 b.
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Financial Leverage

1.3 x
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Diploma Acquisitions / Subsidiaries

Company NameDateDeal Size
FS CablesAugust 24, 2018£18 m
All SealsSeptember 08, 2010$11.9 m
Big Green Surgical Company Pty LtdJuly 30, 2010$2.5 m

Diploma Revenue Breakdown

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Diploma revenue breakdown by business segment: 27.9% from Life Sciences, 28.9% from Controls and 43.2% from Seals

Diploma revenue breakdown by geographic segment: 26.2% from United Kingdom, 7.2% from Rest of World, 25.0% from Rest of Europe and 41.7% from North America

Diploma Online and Social Media Presence

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Diploma News and Updates

GOP Candidate Melissa Howard Drops Out Of Race After Admitting She Faked Diploma

The Florida state House hopeful writes that she "made a terrible error in judgement."

Jamestown Settlement to Present 'A Diplomatic America' Lecture Series in September

WILLIAMSBURG, Va., August 14, 2018 – Jamestown Settlement, a museum of 17th-century Virginia history and culture, will present “A Diplomatic America” public lecture series on Thursday, September 6, 13 and 27. The free public lectures will begin at 7 p.m. in Jamestown Settlement’s Robins Foundation T…

Diplomacy in the post-broadcasting era

The Department of Communications is now reviewing submissions on the issue of Australian Broadcasting Services in the Asia-Pacific region. This is timely. As always, communicating Australia’s views and voices to the Asia-Pacific region is important. And, more than ever before, finding effective path…

A Florida State House Candidate Admitted She Posed With A Fake Diploma After The College Called Her Out

A Florida State House Candidate Admitted She Posed With A Fake Diploma After The College Called Her Out View Entire Post ›

Florida State House Candidate Admits She Faked College Diploma

Despite admitting she lied about her diploma, GOP candidate Melissa Howard has no plans to drop out of her race.

Diplomatic row jeopardizes $1.5B helicopter deal between Turkey and Pakistan

Turkey and Pakistan signed a deal in July for 30 T129 ATAK helicopter gunships. That may not happen now.
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Diploma Frequently Asked Questions

  • When was Diploma founded?

    Diploma was founded in 1931.

  • Who are Diploma key executives?

    Diploma's key executives are John Nicholas, Johnny Thomson and Barbara Gibbes.

  • How many employees does Diploma have?

    Diploma has 2,100 employees.

  • What is Diploma revenue?

    Latest Diploma annual revenue is £485.1 m.

  • What is Diploma revenue per employee?

    Latest Diploma revenue per employee is £231 k.

  • Who are Diploma competitors?

    Competitors of Diploma include Pickering Group, Merck Millipore and Anixter.

  • Where is Diploma headquarters?

    Diploma headquarters is located at 12 Charterhouse Square, London.

  • Where are Diploma offices?

    Diploma has an office in London.

  • How many offices does Diploma have?

    Diploma has 1 office.