Websites thatwin local work.

Design, build and SEO for construction, trades and property businesses.

Start a projectStart a project See our workSee our work

Static-first builds
Local SEO engineered
Built for lead enquiries

51.5072°N — Serving the United Kingdom

Construction site with drawings, concrete works and a site worker reviewing plans

Construction & civil

Modern boiler installation with copper pipework, service tools and a tablet dashboard

Heating & home services

Property marketing materials, keys and a phone showing listing imagery in a home entrance

Lettings & property

Coastal serviced apartment prepared for guests with linens, smart lock and booking tablet

Serviced stays

Phone showing an abstract local map interface with green location pins

Local SEO

Tablet showing an abstract step-by-step booking flow on a tidy desk

Booking journeys

Tender documents, drawings, laptop website mockup and construction bid materials

Tender-ready sites

Trade brands

Capability

We design, build and rank websites for the businesses that build Britain.

About us

We help UK trades and property brands win work online — with design, engineering and search that pulls its weight.

COS Digital is a web design and development studio for construction, home services and property businesses across the UK. We pair editorial-grade design with hand-built, search-ready code — every site engineered to be found.

StrategyDesign & buildLocal SEO

Learn moreLearn more

1:1Senior-led, start to finish

100%Hand-coded, search-first

Selected work

Proof, not promises.

Sectors

Who we build for.

Construction & Civil

Look like the firm that wins the tender — proof, plant and projects up front.

GroundworksSteelFit-outCivils

Home Services & Improvements

Be the first call, not the third quote. Show up where the job is.

HeatingRoofingElectricalLandscaping

Property, Landlords & Serviced Accommodation

Direct bookings and better tenants — without paying platform commission.

LettingsHMOAirbnbBlock management

Professional & Consultancy

Local authority, built online — for the firms behind the firms.

SurveyorsArchitectsBrokersAdvisors

Built to be found.

Live readout

Avg. Lighthouse score01234567890123456789⁺

Performance, accessibility and SEO — audited on every build.

Core Web Vitals0123456789/3 pass

LCP, CLS and INP in the green — field data, not lab excuses.

Search engine optimisationSEO

Structured, fast, keyword-true pages built to rank in Google.

Answer engine optimisationAEO

Marked up for AI answers, voice search and featured snippets.

Structured dataSchema

Rich results — local business, services, FAQs and reviews.

Local & map SEOLocal

Google Business Profile, citations and near-me visibility.

Indexable & accessible012345678901234567890123456789%

Clean HTML, sitemaps and a11y so every page can be found.

UK-wide reach01234567890123456789.0123456789°N

Land's End to Orkney — serving every UK postcode.

Process

Discover to rank.

Discover

We learn your trade, your patch and the jobs you actually want more of. One workshop, no jargon.

Design

A site that makes you look like the biggest firm on the street — built around your proof: projects, accreditations, reviews.

Build

Hand-coded, fast and accessible. Lighthouse 95+ before anything ships.

Rank

Structured for search from day one — sector pages, local signals and schema that put you where the work is.

Enquiry

Got a project?
Let's talk.

Tell us what you do and where you work. We reply within one working day.

Enquiry received

Thanks — we'll be in touch.

We've got your enquiry and we'll come back to you within one working day. Prefer to talk it through now? Email hello@cosdigital.co.uk.