johanna smallman

Johanna Smallman

Partner

Pragmatic, experienced legal specialist for resolving commercial disputes

Are you looking for a seasoned dispute resolution solicitor to handle your commercial dispute? There is no substitute for solid legal advice when handling complex cases which could potentially have a major impact. With over 20 years’ experience, Johanna applies her wealth of knowledge when representing companies in contractual and tortious disputes. Who does Johanna advise? She represents businesses of all sizes and in particular, she works extensively with construction and engineering companies.

Clients appreciate that Johanna is adept at handling complex and challenging claims. Her meticulous approach ensures her clients achieve the best possible outcomes. Professional negligence experience includes the following areas:

Specialist commercial litigation

Johanna’s expertise extends to commercial property damage litigation, having successfully handled cases involving interference with easements, trespass, and nuisance. She delivers practical solutions to challenging disputes requiring specialist legal knowledge, including representing landowners in complex claims related to:

  • flooding
  • fire spread
  • landslips
  • subsidence.

Also, she helps clients navigate sensitive and high-stakes situations with care and precision, having experience of partnership and shareholder disputes.

Insurance and professional negligence lawyer

Johanna has worked with nearly every major insurer, advising on policy disputes and interpretation. She uses this insider knowledge to assist commercial policyholders in challenging declined claims, ensuring they receive the coverage they are entitled to. In addition, Johanna has extensive experience in professional negligence cases, representing clients who have suffered due to negligent tax advice, surveyor errors, or poor legal counsel. Her expertise covers:

  • insurance policy disputes
  • professional negligence claims
  • contractual disputes
  • shareholder disputes
  • construction disputes
  • claims for heave, subsidence, landslip, trespass to land and flooding
  • claims for trespass to goods and bailment issues.

From 2018 to 2025, Johanna was a lecturer at the University of Law, where she taught Civil Litigation, Advocacy, Drafting, and Opinion Writing on the Bar Practice Course. Her passion for education and mentoring has shaped her ability to communicate complex legal concepts in a clear and accessible way – which applies to all areas of legal advice.

Johanna is also a champion of innovation in the legal industry. She is passionate about fostering connections between the legal profession and tech entrepreneurs, particularly start-ups, to drive forward-thinking solutions and collaboration.

Contact Johanna to discuss how to resolve your commercial dispute.

Let Johanna handle your query.

Meet members of Johanna's team

Harvind Sangha

Paralegal
Litigation

Melissa Worth

Partner
Head of Commercial Litigation

Michael Chambers

Partner
Head of Resolution and Recovery

Richard Owen

Senior Associate
Commercial Dispute Resolution expert
sarah doran

Sarah Doran

Trainee Solicitor
Commercial Litigation
Johanna works closely with

Mike Richards

Senior Associate
Head of Commercial Recoveries

Sophie Bebbington

Senior Associate
Contentious probate and litigation specialist

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At HM3 Legal, we believe in clarity, not complexity. Whether you are seeking legal guidance for your business or navigating a personal matter, our team is here to provide straightforward, expert advice.