Mr Jon Olson-Welsh > Keystone Law > London, England > Lawyer Profile
Keystone Law Offices
48 CHANCERY LANE
LONDON
WC2A 1JF
England
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Mr Jon Olson-Welsh

Work Department
Construction/ Engineering
Position
Jon specialises in construction and engineering law, with a specific focus on procurement and tendering advice and the drafting of construction and engineering contracts. His experience includes drafting and advising on all aspects of national and international construction and engineering contracts, using bespoke and standard forms such as FIDIC, IChemE, NEC and JCT. Jon advises developers, lenders, contractors and consultants in a variety of sectors, including office, leisure, retail and residential schemes.
Jon’s international work has included advising on construction and engineering contracts for infrastructure, mining and energy projects in various countries, including the UK, Afghanistan, Panama, Kuwait, Egypt, Kenya and New Mexico.
Memberships
Recognised by The Legal 500 2022 as a ‘Next Generation Partner’ for Construction
Recognised by The Legal 500 2021 as a ‘Next Generation Partner’ for Construction
“Attentive and knowledgeable.” The Legal 500 2021
Recognised by The Legal 500 2020 as a ‘Next Generation Partner’ for Construction
Recognised by The Legal 500 2020 for Infrastructure
Lawyer Rankings
London > Real estate > Construction: contentious
Key names at Keystone Law include ‘highly knowledgeable lawyer’ Louise Elmes, who handles adjudication proceedings in real estate, design and build claims for energy clients, and subcontractor disputes; Ronan Speers, who advises contractors on damages and termination of contract matters; and Jon Olson-Welsh, who assists with management contracting in real estate and fire safety-related issues.
Lawyer Rankings
Top Tier Firm Rankings
- Dispute resolution > Commercial litigation: mid-market
- Insurance > Insurance: corporate and regulatory
- Insurance > Insurance: corporate and regulatory
- Private client > Charities and not-for-profit
- Private client > Court of protection
- Corporate and commercial > International business reorganisations
- Insurance > Professional negligence
- Finance > Corporate restructuring & insolvency
- Crime, fraud and licensing > Licensing
- Real estate > Construction: non-contentious
- Real estate > Residential property
Firm Rankings
- Employment > Senior executives
- Private client > Agriculture and estates
- Private client > Family
- Crime, fraud and licensing > Gaming and betting
- Finance > Islamic finance
- TMT (technology, media and telecoms) > Media: Film & TV
- Insurance > Product liability: defendant
- Dispute resolution > Professional discipline
- Transport > Travel
- Private client > Art and cultural property
- Transport > Aviation
- Insurance > Clinical negligence: defendant
- Real estate > Commercial property: corporate occupiers
- TMT (technology, media and telecoms) > Fintech: corporate and commercial
- TMT (technology, media and telecoms) > Fintech: regulatory
- Crime, fraud and licensing > Fraud: civil
- Employment > Immigration: personal
- Insurance > Insurance and reinsurance litigation
- Insurance > Insurance litigation: for policyholders
- Corporate and commercial > M&A: Smaller Deals, £10m-£100m
- TMT (technology, media and telecoms) > Media: Music
- Corporate and commercial > Partnership
- Employment > Pensions (non-contentious)
- Insurance > Personal injury: defendant
- Transport > Shipping
- Finance > Bank lending: investment grade debt and syndicated loans
- Real estate > Construction: contentious
- Employment > Employers
- Employment > Immigration
- TMT (technology, media and telecoms) > Intellectual property: patents (contentious and non-contentious)
- TMT (technology, media and telecoms) > Intellectual property: trade marks, copyright and design
- Projects, energy and natural resources > Oil and gas
- Private client > Personal tax, trusts and probate
- Real estate > Planning
- Projects, energy and natural resources > Power (including electricity and nuclear)
- Real estate > Property litigation
- TMT (technology, media and telecoms) > Reputation management
- Corporate and commercial > Venture capital
- TMT (technology, media and telecoms) > Sport
- Insurance > Professional negligence
- Insurance > Insurance: corporate and regulatory
- Industry focus > Life sciences and healthcare
- Private client > Court of protection