25+ Years
Building Excellence
A team of award-winning construction specialists delivering residential, commercial, education and heritage projects across the UK.
Restoration
Loft ConversionBuilt on Trust,
Delivered with Pride
Taisei has been at the forefront of professional construction and building services for over 25 years. We work across residential and commercial sectors, bringing a team of certified specialists to every project.
From new builds and loft conversions to school fit-outs, office solutions and planned maintenance — our commitment to quality workmanship, reliability and professional delivery has earned us an outstanding reputation across the industry.
"We don't just build structures — we build lasting relationships with our clients."
— Kenji Taisei, Founder & Managing Director
Why Hundreds of
Clients Choose
Taisei
We don't just build — we deliver results that stand the test of time, backed by 25 years of expertise and a team that truly cares.
25+ Years of Proven Experience
Decades of hands-on expertise across residential, commercial and educational sectors. We've seen every challenge — and solved it.
Fully Certified & Insured
Every trade is carried out by certified professionals with full public liability insurance, CITB approval and Gas Safe registration.
On Time, Every Time
Our projects are meticulously planned and managed. We don't just promise deadlines — our 98% on-time delivery rate proves we keep them.
Dedicated Project Manager
Every project gets a named project manager as your single point of contact — total accountability from first call to final handover.
98% Client Satisfaction
Our reputation is built on repeat business and referrals. 85% of our clients come back to us for their next project.
Fully In-House Team
We never subcontract. Every tradesperson — plumber, electrician, carpenter, plasterer — is on our books, certified and accountable.
"With Taisei you always know what's happening, when it's happening, and how much it costs. That's rare in construction."
James Hartley
Hartley Developments · £480,000 project
Accreditations & Certifications
Recognised for
Excellence
12 industry awards in 6 years. Our commitment to quality, safety and outstanding client service has been recognised by the UK's most respected construction and property bodies.
Best New Build Contractor
UK Construction Excellence Awards
Commercial Project of the Year
London Property Awards
Health & Safety Excellence
CITB National Awards
Client Satisfaction Champion
Property Week Awards
Best Renovation Company
HomeOwner Alliance
Sustainable Build Award
Green Construction Awards
School Build of the Year
Education Estates Awards
Best Heritage Restoration
RIBA London Awards
Our Track Record in Numbers
A Portfolio That Speaks for Itself
Meet the Team
Our people are our greatest asset. Every member of the Taisei team is a certified professional dedicated to delivering exceptional results — on every project, every time.
Kenji Taisei
Founder & Managing Director
25+ years in construction & project delivery
Founded Taisei in 1999 with a vision to deliver honest, high-quality construction. Oversees all major projects and client relationships.
Marcus Reid
Head of Mechanical Engineering
HVAC, heating & mechanical systems
Certified mechanical engineer with 20 years experience in commercial and residential M&E installations and system design.
Aoife Brennan
Lead Plumbing Engineer
Gas Safe registered · 18 years experience
Specialises in complex plumbing systems, underfloor heating and full bathroom renovations for residential and commercial clients.
Tom Whitfield
Commercial Projects Director
Multi-trade fit-out & project management
Oversees all commercial fit-outs and large-scale office projects. Previously delivered major projects for Skanska and Mace Group.
Priya Shah
Design & Renovation Lead
Interior architecture & bespoke renovations
Combines architectural expertise with hands-on construction knowledge to deliver seamless, design-led renovation projects.
Connor Doyle
Site Operations Manager
Health & safety, CDM & site coordination
Manages all site logistics, health and safety compliance and CDM obligations across our active project portfolio simultaneously.
Rachel Moore
Education Projects Lead
Specialist in educational sector construction
Dedicated specialist for all school and college refurbishment works, with deep expertise in phased educational delivery.
Liam O'Sullivan
Estimating & Quantity Surveying
Costing, procurement & tender management
Produces detailed, transparent costings for every project. Ensures budgets are accurate, fair and deliverable from day one.
Join the Taisei Team
We're always looking for skilled tradespeople and project professionals who share our commitment to quality. Competitive rates, great culture, excellent projects.