Home / People / Gary Henderson
Gary Henderson

Gary Henderson


CMS Cameron McKenna Nabarro Olswang LLP
The Blade
Abbey Square
United Kingdom
Languages English

Gary has specialised in employment law for over 25 years.  He is ranked as a leading individual in the Legal 500 and as a Band 1 employment lawyer in the Chambers and Partners Directory. 

Gary advises clients across the whole range of business sectors providing advice on all aspects of employment law, both contentious and non-contentious, including executive engagements and dismissals, employment tribunal litigation, discrimination issues and the employment aspects of acquisitions and disposals, corporate reorganisations and outsourcing arrangements.

Gary also advises on the formulation and implementation of employment strategy and policy, the employment law implications of business initiatives (including reorganisations) and the impact of new legal developments.

more less

Gary Henderson is commended by sources as a "fantastic lawyer and trusted adviser" who offers "a wealth of practical and legal employment knowledge and is very pragmatic, thorough and commercially aware." He handles everything from terminations and litigation to corporate reorganisations.

Chambers UK 2017

Gary Henderson is experienced in handling a wide variety of employment matters. Clients say that "he is extremely responsive, knowledgeable, pragmatic and realistic. He is so knowledgeable about employment law and thinks ahead for possibilities so that we can prepare."

Chambers UK 2016

Gary Henderson is ‘technically brilliant, approachable and down-to-earth’. The firm’s multinational clients include Microsoft, Coca-Cola and BMW.

Legal 500 UK 2016

"He is excellent - commercially astute, practical and pragmatic in his advice. He's also very easy to communicate with, and happy to chat about any issue on which I might want a second opinion." Active across the full spectrum of employment law cases, he is particularly appreciated for the foresight he brings to complex matters: "He plays chess with the law - he always knows the next moves that will take place in a case."

Chambers UK 2015

Relevant experience

  • A FTSE 100 company on restructuring and collective redundancy issues.
  • A leading professional services company on TUPE issues arising out of outsourcing arrangements.
  • A global technology company on employment tribunal and High Court claims.
  • A major financial institution on senior executive departures.
  • A global manufacturer on the enforcement of restrictive covenants and garden leave.
  • A FTSE 100 energy sector company on international assignment arrangements.
  • A leading car manufacturer on its agency worker arrangements.
  • A global technology company on employee data protection issues.
  • A global telecommunications company on the employment law aspects of a major joint venture.
  • Numerous companies coming into the UK on the employment aspects of establishing a business in the UK.
more less


  • 1985 – LL.B., London School of Economics
more less


  • Employment Lawyers Association
more less


Show only
July 2019
Work­place Har­ass­ment: fu­ture proof­ing your or­gan­isa­tion
As the risk pro­file of work­place har­ass­ment in­creases, and or­gan­isa­tions as­sess what needs to change, we can help you mit­ig­ate the risks by design­ing a com­pre­hens­ive and tailored anti-har­ass­ment strategy. Down­load our bro­chure to read more.
04 September 2020
Fath­ers and flex­ible work­ing post lock­down
A great deal has been writ­ten about the im­pact that lock­down has had on wo­men, par­tic­u­larly work­ing moth­ers, and the longer term im­pact it is likely to have on gender equal­ity. But how has lock­down af­fected...
16 March 2020
Changes to writ­ten state­ments of em­ploy­ment - are you ready for 6 April...
On 6 April 2020 the rel­ev­ant pro­vi­sions of the Em­ploy­ment Rights Act 1996 re­lat­ing to the right to re­ceive a writ­ten state­ment of em­ploy­ment par­tic­u­lars will change. We set out be­low the key ele­ments...
31 January 2020
Ter­min­a­tion Pay­ments: two changes to be aware of!
Em­ploy­ers should take note of re­cent and forth­com­ing changes re­lat­ing to the tax­a­tion of ter­min­a­tion pay­ments. As an over­view, in April 2020 em­ploy­ers will be re­quired to pay em­ploy­er na­tion­al in­sur­ance...
14 January 2020
April 2020 changes to off-payroll work­ing rules – gov­ern­ment launches re­view
The gov­ern­ment has launched a re­view in­to im­ple­ment­a­tion of the April 2020 changes to the off-payroll work­ing rules. In Novem­ber the Chan­cel­lor of the Ex­chequer, Sajid Javid said that a Con­ser­vat­ive gov­ern­ment...
24 May 2019
Work­ing time - an­oth­er area of ten­sion between European and UK em­ploy­ment...
A re­cent de­cision by the ECJ has high­lighted an­oth­er area where UK em­ploy­ment law is in­con­sist­ent with European law.  This fol­lows on from earli­er cases that flagged dis­crep­an­cies between the cal­cu­la­tion...
09 May 2019
GDPR bites­ize – when can an em­ploy­er jus­ti­fy ex­tend­ing the time lim­it for...
Un­der the Data Pro­tec­tion Act 1998, a data con­trol­ler had to re­spond to a data sub­ject ac­cess re­quest (DSAR) with­in 40 days of re­ceipt with no op­tion to ex­tend this peri­od. This changed un­der the GDPR...
12 April 2019
Self-em­ployed con­tract­ors in your work­force – are they data pro­cessors?
Most or­gan­isa­tions have moved on from the im­ple­ment­a­tion phase of their GDPR pro­ject to deal with “busi­ness as usu­al” quer­ies. In this edi­tion of our “GDPR bites­ize” series about the im­pact of...
12 March 2019
GDPR bites­ize: does an em­ploy­er need to carry out a data pri­vacy im­pact...
Most or­gan­isa­tions have moved on from the im­ple­ment­a­tion phase of their GDPR pro­ject to deal with “busi­ness as usu­al” quer­ies.  In this, our second “GDPR bites­ize” series, we dis­cuss a num­ber...
06 February 2019
Gov­ern­ment con­sulta­tion launched on ex­tend­ing re­dund­ancy pro­tec­tion for...
The Gov­ern­ment is con­sult­ing on ex­tend­ing the pro­tec­tion cur­rently af­forded to em­ploy­ees se­lec­ted for re­dund­ancy who are on stat­utory ma­ter­nity leave to those who (i) are preg­nant (ii) are on fam­ily leave...
17 January 2019
GDPR bites­ize: Crim­in­al con­vic­tions data
Many em­ploy­ers routinely vet pro­spect­ive staff for any crim­in­al his­tory, either by checks con­duc­ted through the Dis­clos­ure and Bar­ring Ser­vice or by ask­ing an in­di­vidu­al to dis­close dir­ectly in­form­a­tion...
06 November 2018
IR35 re­forms: next steps for af­fected busi­nesses
As ex­pec­ted, the gov­ern­ment an­nounced in the Budget last week that it will ex­tend to the private sec­tor the re­forms it has im­ple­men­ted in the pub­lic sec­tor to off-payroll work­ing rules (known as IR35)....