Ronnie is ranked as a leading junior in employment law. He has extensive experience in all areas of employment litigation, with a particular focus on discrimination and whistleblowing claims. He is regularly instructed in complex, high-profile and high-value claims, and frequently conducts lengthy hearings in the Employment Tribunal on behalf of both claimants and respondents. He also specialises in employee competition claims and has acted in a number of confidential information, restrictive covenant and team move cases.

Ronnie’s public law practice encompasses all areas of judicial review. He has acted in several high-profile judicial review claims on behalf of private companies, local authorities and central government. Recent cases include acting for a private hire app defending a challenge to its licence to operate in the High Court and Court of Appeal: R. (United Trade Action Group Ltd) v Transopco [2023] 1 WLR 367.

  • Quotation symbolHe has an encyclopaedic knowledge of the law and his ability to master the facts of a case is exceptional. A future KC.

    Quotation symbolLegal 500
  • Quotation symbolHe has a razor-sharp mind, and is an excellent listener and phenomenal in front of the judge. His legal advice and understanding are spot-on throughout and he is a pleasure to deal with.

    Quotation symbolChambers UK
  • Quotation symbolGreat tactical insight (he will not take weak points), highly commercial in terms of looking at what the client wants as an end game, works incredibly hard under pressure (prepared to put in the hours when needed), great paperwork, great cross-examination, and great advocacy – very client friendly too.

    Quotation symbolLegal 500

Expertise

ToggleCommercial Dispute Resolution

Ronnie has acted in a broad range of employee competition disputes, including claims for breach of restrictive covenants, misuse of confidential information and team move cases. His other commercial work includes claims for breach of contract, misrepresentation and professional negligence.

– Acting for employees and employers bringing/ defending claims for unpaid bonuses and commission;

– Acting for an outdoor goods supplier defending claims for breach of the Commercial Agents (Council Directive) Regulations 1993;

– Acting for a property asset manager defending claims for negligence and breach of contract in connection with an interest rate hedging arrangement;

– Acting for a Cloud Software company claiming an employee had failed to carry out his work with reasonable skill and competence;

– Obtaining a High Court injunction to prevent a sampling agency from dealing with clients in breach of a contract for the sale of goodwill.

Download Commercial Litigation CV

ToggleEmployment

Ronnie’s employment practice covers:

  •  the full range of claims in the Employment Tribunal, with a particular focus on discrimination and whistleblowing (including applications for interim relief);
  •  industrial relations disputes; and
  •  breach of contract and employee competition claims: see further under “Commercial Dispute Resolution” above.

Other Employment Tribunal cases include:

  •  Acting for employees and employers at hearings to determine issues under TUPE, including whether there has been a relevant transfer and assignment;
  •  Acting for a leading UK housebuilder defending claims of disability and age discrimination, victimisation and unfair dismissal at a 10-day hearing;
  •  Acting for a national bank defending claims for discrimination, whistleblowing and automatic unfair dismissal on a TUPE transfer at a 15-day hearing. Led by Jane Mulcahy KC;
  •  Acting for a high street bank defending claims for disability discrimination, failure to make reasonable adjustments and unfair dismissal at a 7-day hearing;
  •  Acting for a national rail company defending its shift premium policy against claims for indirect sex discrimination;
  •  Acting for a nationwide retailer defending claims for indirect sex discrimination and unfair dismissal arising out of a redundancy process at a 7-day hearing.

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  • Ronnie Dennis is a calm and confident advocate who instils confidence.

    Chambers & Partners
  • Ronnie Dennis is really responsive, supportive and pragmatic.

    Chambers & Partners
  • Ronnie is the complete, all-round package; he is incisive, professional, approachable, knowledgeable, personable and inspires confidence every step of the way.

    Chambers & Partners

Download Employment CV

TogglePublic

Ronnie’s public law practice encompasses all areas of judicial review. He has acted in a number of high-profile judicial review claims on behalf of private companies, local authorities and central government.

Download Public CV

ToggleState Aid & Subsidy Control

Ronnie also specialises in State aid/subsidy control. He acted for Coventry City Council in the leading domestic cases on the private investor test for State aid: R. (Sky Blue Sports and Leisure Ltd) v Coventry City Council. He now acts and advises in all areas of State aid/ subsidy control.

Download Procurement & State Aid CV

Achievements

ToggleEducation

University of Oxford, Bachelor of Civil Law, Distinction & Law Faculty Prize

University College London, Law LLB, First Class

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  • Quotation symbol

    He gets on top of complex facts and law, he works incredibly quickly, he works well with the client, and his analysis is superb in drilling down into what really matters to advance the best possible case

    Chambers UK
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    He adopts a collaborative approach and has the ability to get to the crux of a case quickly

    Legal 500
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    He is laser-focused, client-friendly and a relentless cross-examiner

    Legal 500
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    An immensely valuable junior

    Legal 500
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    A tower of strength with incredible capacity for work and someone you would always want on your team

    Legal 500
  • Quotation symbol

    He’s very bright, very helpful and has a very quick turnaround of work

    Chambers UK
  • Quotation symbol

    Keeps things simple and to the point, effectively manages the litigation, and makes the key points heard

    Chambers UK
  • Quotation symbol

    He’s an excellent all-round barrister; he’s very commercial, gives a pragmatic view and is very impressive on his feet

    Chambers UK
  • Quotation symbol

    Very smart and diligent. Very good with numbers

    Legal 500
  • Quotation symbol

    Great tactical insight (he will not take weak points), highly commercial in terms of looking at what the client wants as an end game, works incredibly hard under pressure (prepared to put in the hours when needed), great paperwork, great cross-examination, and great advocacy – very client friendly too

    Legal 500
  • Quotation symbol

    He is a safe pair of hands, he pays great attention to detail, he is hard-working and he can cut through the case

    Chambers UK
  • Quotation symbol

    Great attention to detail whilst at the same time seeing the bigger picture

    Legal 500
  • Quotation symbol

    Ronnie is a really strong advocate and manages to find exactly the right tone in cross-examination – such a pleasure to work with.

    Legal 500
  • Quotation symbol

    He is commercial, bright and charming.

    Chambers UK
  • Quotation symbol

    Ronnie is excellent; he is calm, authoritative and effective.

    Chambers UK
  • Quotation symbol

    Ronnie is incredibly sharp and has key commercial acumen

    Chambers UK
  • Quotation symbol

    Ronnie provides succinct advice and is an asset to the chambers.

    Legal 500
  • Quotation symbol

    A very professional junior, whose cross-examination is focused and courteous yet firm.

    Legal 500
  • Quotation symbol

    He is highly responsive, organised and specialist. It is so easy to work with Ronnie as he is highly skilled and technically excellent yet very approachable.

    Chambers UK
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    Ronnie takes a forensic approach to cases. He is a pleasure to watch in tribunal and instils total confidence.

    Chambers UK
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    Absolutely brilliant on a sensitive matter

    Chambers UK
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    An exceptional barrister

    Chambers UK