Delivering our promise through full ownership, proven experience, and results that stand the test of time.
Who we are
3b construction is a family-owned civil engineering and building contractor delivering high-end residential, commercial and civil engineering projects across Scotland, England and Ireland. What sets us apart is how much we do ourselves. Rather than relying on a long chain of subcontractors, we carry the core trades, plant and manufacturing capability in-house, giving our clients a single point of responsibility and direct control over programme, quality and safety from the ground up.
Civil engineering and structures
Our own groundworks teams take projects from site clearance and bulk earthworks through drainage, foundations and external works. Reinforced concrete is a core strength: we self-deliver RC frames, slabs, retaining structures, basements and bespoke concrete elements using our own Peri formwork and shuttering systems, supported by our own Peri access scaffolding. Structural steel is designed and fabricated in-house, so steel and concrete packages are co-ordinated by one team rather than negotiated between several.
Manufacturing and specialist joinery
Our manufacturing division produces timber frames and structural timber elements alongside finishing joinery, staircases, doors, panelling and fitted work to the exacting standard that high-end residential and heritage projects demand. At its heart is a state-of-the-art joinery machine workshop capable of profiling, cutting and fabricating to any project requirement, from contemporary new build to the faithful replication of historic detail on heritage buildings. Making it ourselves means we control lead times, tolerances and finish, and can resolve design detail directly with architects and clients.
Skilled delivery teams
Our directly employed trades span joinery, brickwork, stone masonry, roofing, glazing, tiling, painting and decorating, MEP and hard landscaping. Multi-discipline teams working for one employer, under one management structure, deliver the consistency of finish that one-off buildings require.
Plant, lifting and transport
Our construction services division provides crane hire, transport and a comprehensive fleet of plant and equipment supporting our own sites.
Why it matters
Carrying this capability in-house sharply reduces our reliance on external subcontractors, the model most contractors depend on. This allows us to respond quickly when challenges arise on site. Where we do bring in specialists, they are experienced contractors we have worked with time after time and who share our values. For our clients, that means fewer delays, clearer communication and a more reliable outcome.
A family business, built to last
As a family-owned business of more than 23 years, we take a long-term view. Every project is personal, and every client relationship matters. That mindset drives a level of care, accountability and continuity that is often missing in larger, less connected organisations. Many of our clients return to us time and again because they know we deliver what we promise, not just in words, but in programme certainty, quality workmanship and a collaborative approach from start to finish.
Standards.We are certified to ISO 9001, ISO 14001 and ISO 45001, and hold CHAS Elite, Constructionline Gold and SafeContractor.





























