Calum Lamont > Chambers of Marcus Taverner QC > London, England > Lawyer Profile

Chambers of Marcus Taverner QC
Keating Chambers


Barrister specialising in construction and engineering disputes (litigation, arbitration and adjudication), professional negligence and other related fields of practice. He has particular expertise in infrastructure and offshore matters in both domestic and international arbitration as well as the TCC and Commercial Court. He was awarded Construction Junior of the Year by Chambers & Partners in 2016 and International Arbitration Junior of the Year in 2018. He was recently instructed in claims arising out of various discrete obligations relating to the quality and suitability of the glass cladding of a prestigious 26-storey office building in the City of London (125 OBS (Nominees 1) and ors v Lend Lease Construction and ors); in a complicated professional negligence action against engineering consultants engaged to design and detail reinforced concrete elements of a large commercial car park (Arcadis v Amec); and in an ongoing dispute relating to the delayed construction of a jetty in Chile. Outside of construction, Calum has an interest in public procurement and acts for and against contracting authorities. Recent reported cases: 125 OBS (Nominees1) & another v Lend Lease Construction (Europe) Ltd & another [2017] EWHC 25 (TCC); Arcadis Consulting (UK) Ltd v AMEC (BSC) Ltd [2016] EWHC 2509 (TCC); Mutual Energy Ltd Claimant v (1) Starr Underwriting Agents Ltd (2) Travellers Syndicate Management Ltd [2016] EWHC 590 (TCC); Commercial Management (Investments) Ltd v (1) Mitchell Design & Construct Ltd (2) Regorco Ltd (formerly Roger Bullivant Ltd) [2016] EWHC 76 (TCC; [2016] All ER(D) 26 (Feb).


Called 2004, Inner Temple; Keating Chambers 2005 to date; DIFC Registered Practitioner 2016; publications include: co-author, ‘Building Defects’, RICS Case in Point Series (2006); RCIS ‘Case In Point’ series, ‘Contract Administration’ and ‘Construction Claims’; researcher ‘Keating on Building Contracts’; contributor to ‘Keating on Construction Contracts’ (9th and 10th editions); editor of ‘Keating on Offshore Construction’.


French, German.


COMBAR; TECBAR; Society of Construction Law; Inner Temple Junior Bar Association; LCIA Young International Arbitration Group.


King Edward’s School, Bath; St Catharine’s College, Cambridge (2000 MA History double first class; 2001 MPhil Historical Studies); City University (2003 PgDL distinction); ICSL (2004 BVC outstanding).


Rugby, music, outdoor pursuits, classic cars.

Lawyer Rankings

London Bar > Public procurement

(Leading Juniors) Ranked: Tier 3

Calum LamontKeating ChambersA very intelligent, easy to use counsel and an impressive senior junior.

Keating Chambers is home to some of the ‘goto counsel for public procurement matters’. ‘A popular choice‘, Fionnuala Mccredie QC who acted for Unipart in DHL Supply Chain Ltd v Secretary of State for Health and Social Care and Unipart Group Ltd in a case valued at £730m. The ‘technically and tactically strong’ Sarah Hannaford QC combines expertise in EU-wide procurement with related competition issues to tackle high-profile cases. She acted for the Department of finance in Ireland in Eircom UK Limited v Dept of Finance in a procurement and competition law challenge concerning a telecommunications system. ‘A junior of choice‘, Simon Taylor combines his track record in competition law with work on a number of hefty procurement disputes in the transport and IT arenas. Calum Lamont is another highly recommended senior junior who was instructed in Openview v Merton in relation to the letting of a contract for automatic number plate recognition services. At the injunction stage, the case revisited the law on causation for challenging economic operators.

London Bar > Construction

(Leading Juniors) Ranked: Tier 1

Calum LamontKeating ChambersA very impressive and intelligent senior junior.

London Bar > Energy

(Leading Juniors) Ranked: Tier 4

Calum LamontKeating ChambersExtremely hardworking and very sharp with an excellent legal mind, he will be a star of the future.

London Bar > International arbitration: counsel

(Leading Juniors) Ranked: Tier 3

Calum LamontKeating ChambersOffers sound strategic advice.

London Bar > Professional negligence

(Leading Juniors) Ranked: Tier 4

Calum LamontKeating ChambersHe is first-rate.

Middle East: The English Bar > Construction

(Leading juniors) Ranked: Tier 1

Calum LamontKeating ChambersCapable of running large-scale, complex cases on his own.