Donaldson Timber Systems
Donaldson Timber Systems is a UK offsite manufacturer of timber frame building systems (closed panel, open panel, pre-insulated), serving national housebuilders, housing associations, local authorities and commercial contractors with design, manufacturing, installation and training services.
- Company typePrivate
- Founded1970
- HeadquartersAberdeen, United Kingdom
- Headcount251–500
- GTM typeB2B
- OfferingHardware or Manufacturing
What Donaldson Timber Systems does
Donaldson Timber Systems (DTS) is a UK-based manufacturer of offsite timber frame building systems, operating as a subsidiary of the 165-year-old Donaldson Group. The company designs, factory-manufactures, delivers and installs closed panel (proprietary Sigma II), open panel and pre-insulated timber frame systems for residential and commercial construction. Its product portfolio includes the Sigma II Closed Panel System delivering verified PMV scores of 55.7%-58.4%, a BIM library for architects and engineers, design support services and an Affordable Housing Range launched in 2025 targeting local authorities and housing associations. Manufacturing is distributed across 21 UK facilities (including two main factories in Witney, England and Plains, Scotland, with state-of-the-art robotics), supporting throughput of more than 10,000 timber frame homes per year and a cumulative base of 150,000+ homes delivered since the 1970s. DTS generates revenue through direct B2B enterprise sales of timber frame packages and ancillary design and training services, with project values ranging from £50k to £5M. Customers comprise national housebuilders (Bellway Homes cited), regional developers, housing associations, local authorities (Bristol City Council cited) and commercial contractors serving hotels, schools, student residences and public buildings. The business holds a comprehensive stack of independent accreditations including NHBC Accepts, BBA, BOPAS+, STA Gold Assure, BM Trada Q-Mark, ISO, EPD and a RoSPA Order of Distinction, and partners with GRASSP on the timber frame training programme and CITB on standards alignment.
Donaldson Timber Systems firmographics
Firmographics- Name
- Donaldson Timber Systems
- Legal name
- Donaldson Timber Systems
- Website
- https://donaldsontimbersystems.com
- Company type
- Private
- Founded year
- 1970
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- Donaldson Timber Systems is a UK offsite manufacturer of timber frame building systems (closed panel, open panel, pre-insulated), serving national housebuilders, housing associations, local authorities and commercial contractors with design, manufacturing, installation and training services.
- Ownership category
- akta.pro rank
Donaldson Timber Systems industry classification
Industry- Product category
- Timber Frame Construction Systems
- NAICS
- Engineered Wood Member Manufacturing (321215), Wood Product Manufacturing (321)
- SIC
- Prefabricated Wood Bldgs & Components (2452), Millwood, Veneer, Plywood, & Structural Wood Members (2430)
- akta.pro primary industry
- Wood Remanufacturing (Mouldings, Millwork Blanks, Cut Stock) (IMAMABAI)
Keywords
Where Donaldson Timber Systems is headquartered
LocationHeadquarters
- HQ city
- Aberdeen
- HQ country
- United Kingdom
- HQ region
- Europe
Offices3 records
Markets served
Donaldson Timber Systems business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Infrastructure, Marketing or Sales, Technology or R&D
Revenue model
- Timber Frame System Sales: Sale of timber frame building systems including closed panel, open panel, and pre-insulated panels. Systems sold to housebuilders, developers, housing associations and commercial contractors for residential and commercial construction projects.
- Design and Technical Support Services: Integrated design, manufacturing, installation and technical support services. End-to-end service from concept to completion.
- Training Programs: Timber Frame Training Programme delivered in partnership with GRASSP, providing online learning modules for housebuilders, contractors and housing associations.
Go-to-market motion1 record
Distribution channels3 records
Marketing channels7 records
Donaldson Timber Systems product offering
Product offeringCore offering
Donaldson Timber Systems manufactures and supplies offsite timber frame building systems — including the proprietary Sigma II Closed Panel, Open Panel, and Pre-insulated Panel systems — for the UK residential and commercial construction sectors. The company provides end-to-end services spanning design support, factory manufacturing, delivery, and on-site installation, alongside an Affordable Housing Range and a GRASSP timber frame training programme. Systems are independently certified (NHBC Accepts, BBA, BOPAS+, STA Gold) and engineered to meet Future Homes Standard and PMV targets.
Product overview
Donaldson Timber Systems is the UK's most experienced timber frame manufacturer offering a portfolio of timber frame build systems including the Sigma II Closed Panel System (delivering 55.7-58.4% PMV), Open Panel Timber Frame, and Pre-insulated Panels. The company provides an all-inclusive service spanning design support, BIM library access, factory manufacturing, delivery, and installation. Additional offerings include the GRASSP Timber Frame Training Programme for upskilling housebuilders and housing providers. The portfolio is completed by the Affordable Housing Range featuring standardised house types optimised for MMC funding compliance. All systems are backed by independent accreditations including NHBC, BBA, BOPAS+, and STA Gold.
Differentiator
Problem solved
Functional benefit
Products and services
- Sigma II Closed Panel System
Quantifiable outcome
- 6-10 weeks faster weather-tight delivery
- +3 more outcomes
Companies that use Donaldson Timber Systems
Customer profileNamed customers5 records
Segments5 records
Ideal customer profiles4 records
Donaldson Timber Systems technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Donaldson Timber Systems partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core and minor.
- GRASSPcorePartnership with GRASSP (Growing, Recognising and Supporting Skills in Practice) - an online learning platform for the construction industry. Together developed the first Timber Frame Training Programme in the timber frame sector. Provides interactive online modules and downloadable resources for housebuilders, contractors and housing associations to upskill teams in timber frame design, costing and installation.
- CITBminorTraining programme aligned with CITB (Construction Industry Training Board) standards for the construction industry.
Scale indicators7 records
Recent moves6 records
Expansion highlights6 records
Donaldson Timber Systems competitors and assessment
Company assessmentBroad incumbents
- Portakabin: Major UK modular building manufacturer delivering permanent and temporary buildings across commercial, education and public sectors. Operates in the broader offsite construction space intersecting with DTS but specialising in modular steel-based rather than timber panelised systems.
- Wernick Group: UK offsite modular construction provider serving education, healthcare, commercial and public sectors. Overlaps with DTS in MMC and offsite delivery but with a modular volumetric model rather than panelised timber frame.
- McAvoy Group: One of the UK's largest offsite construction firms producing modular buildings for education, healthcare and commercial use. Competes with DTS in the broader offsite/MMC space but focuses on modular steel-frame and hybrid solutions rather than timber frame panels.
- Premier Modular: UK offsite modular construction specialist serving education, healthcare, commercial and public buildings. Comparable to DTS as an MMC/offsite competitor for non-residential construction contracts, though typically volumetric rather than timber panel-based.
Direct peers
- B&K Structures: UK timber frame and structural timber specialist delivering panelised systems for residential and commercial projects. Directly comparable in offering engineered timber frame solutions to housebuilders, developers and contractors.
- Pinewood Structures: UK timber frame manufacturer supplying closed panel, open panel and floor/roof systems to national and regional housebuilders, competing head-to-head with DTS on similar project types and customer segments.
- Frame Technologies: UK-based timber frame manufacturer producing closed and open panel systems for housebuilders and developers. Operates in the same offsite timber frame category as DTS with overlapping product range and customer base.
- Kingspan Timber Solutions: Kingspan acquired Stewart Milne Timber Systems and now operates it as Kingspan Timber Solutions, the most directly comparable UK closed-panel and open-panel timber frame manufacturer competing for the same national housebuilder and housing association customers as Donaldson Timber Systems.
- Crendon Timber Engineering: Long-established UK supplier of engineered timber products including trusses, joists and timber frame panels. Competes with DTS's truss and engineered wood member lines for housebuilder and developer contracts.
Others
- Catnic: UK manufacturer of structural building components (steel lintels, masonry support, building accessories) under Tata Steel. Adjacent supplier of structural components to UK housebuilders, complementing rather than competing with DTS's timber frame panel offering.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat6 records
Key risks5 records
Key highlights7 records
Customer concentration
Donaldson Timber Systems social profiles
Digital presenceDonaldson Timber Systems compliance and trust
Trust signalCompliance8 records
Donaldson Timber Systems financial estimates
Financial estimateRevenue estimate
Valuation estimate
Donaldson Timber Systems leadership team
Management profileNumber of profiles
Profiles3 records
Donaldson Timber Systems funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Donaldson Timber Systems M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Donaldson Timber Systems
What does Donaldson Timber Systems do?
Donaldson Timber Systems manufactures and supplies offsite timber frame building systems — including the proprietary Sigma II Closed Panel, Open Panel, and Pre-insulated Panel systems — for the UK residential and commercial construction sectors. The company provides end-to-end services spanning design support, factory manufacturing, delivery, and on-site installation, alongside an Affordable Housing Range and a GRASSP timber frame training programme. Systems are independently certified (NHBC Accepts, BBA, BOPAS+, STA Gold) and engineered to meet Future Homes Standard and PMV targets.
Is Donaldson Timber Systems a public or private company?
Donaldson Timber Systems is a private company. It is classified as family owned and is currently operating.
When was Donaldson Timber Systems founded?
Donaldson Timber Systems was founded in 1970. It employs 251 to 500 people.
Where is Donaldson Timber Systems based?
Donaldson Timber Systems is headquartered in Aberdeen, United Kingdom, in the Europe region.
How does Donaldson Timber Systems make money?
Three revenue lines are on record. Timber Frame System Sales are the primary driver. The others are design and Technical Support Services and training Programs.
Who are Donaldson Timber Systems's main competitors?
Broad incumbents on record are Portakabin, Wernick Group, McAvoy Group and Premier Modular. Direct peers are B&K Structures, Pinewood Structures, Frame Technologies, Kingspan Timber Solutions and Crendon Timber Engineering. Catnic is listed as an others.
Does Donaldson Timber Systems have an API?
No public API is recorded for Donaldson Timber Systems.
What industry is Donaldson Timber Systems in?
Donaldson Timber Systems's product category is Timber Frame Construction Systems. Its primary akta.pro industry code is IMAMABAI, Wood Remanufacturing (Mouldings, Millwork Blanks, Cut Stock). Its NAICS code is 321215 and its SIC code is 2452.