The Site Doctor

What The Site Doctor does

The Site Doctor (TSD) is a UK-based custom software development agency headquartered in Herefordshire, England, founded in 2003 (firmographics) and registered in England & Wales (Company No: 6502026). The firm delivers bespoke digital solutions primarily on the Umbraco and Sitefinity CMS platforms, with the Ucommerce e-commerce layer, custom .NET development, and a proprietary Umbraco Commerce storefront theme called Igloo as its core technical stack. Service offerings span the full project lifecycle — discovery and validation, system design, UX/UI, development, QA, launch, and post-launch monitoring — supplemented by ongoing support and maintenance subscriptions, fractional CTO engagements, and developer augmentation.

TSD serves a horizontally diversified client base across enterprise and growth-stage customers, including Bond Jewellery (luxury retail), ETAP (automotive/manufacturing, delivered cross-Atlantic), Westons Cider (beverage), SafeLives (UK charity), AlphaStream (fintech), and the Chartered Institute of Marketing. Its commercial model is predominantly project-based custom development with bespoke, multi-year engagements and a recurring support layer, complemented by strategic technology leadership and staff augmentation services. The firm holds Umbraco Gold Partner and Dynamic Web Business Partner status and is ISO 27001:2022 accredited, supporting eligibility for enterprise and regulated-sector work.

The go-to-market is direct and consultative: inbound via the corporate website, content marketing through case studies and a blog (blog.tsd.digital), and outbound enterprise engagement structured around a phased discovery-to-delivery process. Customer references and a documented 2006 client relationship support a trust-driven sales narrative emphasizing senior developer involvement, transparent project management, and a 'No Surprises' policy.

Name

The Site Doctor

Legal name

The Site Doctor

Website

https://thesitedoctor.co.uk

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

1–10 employees

Short description

The Site Doctor (TSD) is a Herefordshire-based custom software development agency building bespoke Umbraco and Sitefinity CMS, e-commerce, and business applications for enterprise and growth-stage clients across retail, manufacturing, fintech, and nonprofit sectors, with ongoing support and fractional CTO services.

Ownership category

akta.pro rank

Headquarters

HQ city

Brockhampton

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Custom Software Development Projects: Project-based custom software development services including e-commerce platforms, business applications, and system replatforming. Clients engage TSD for specific deliverables from planning through implementation.
2. Ongoing Support & Maintenance: Post-launch support services including proactive monitoring, issue resolution, cloud infrastructure management, and continuous updates to ensure systems run at peak performance.
3. Fractional CTO Services: Strategic technology leadership services providing CTO capabilities to steer projects, align technology with business goals, and drive innovation.
4. Developer Augmentation: Bolstering client development capacity with expert developers who work seamlessly alongside existing teams.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

The Site Doctor is a bespoke custom software development agency delivering tailored e-commerce platforms (built on Umbraco Commerce and Sitefinity with Ucommerce), business application replatforming, and .NET development services for UK and international businesses. Engagements run from discovery through build, launch, and ongoing support/maintenance, supplemented by fractional CTO and developer augmentation services. The proprietary Igloo Theme for Umbraco Commerce underpins their e-commerce storefront offerings.

Product overview

The Site Doctor is a custom software development agency offering tailored digital solutions that generate measurable returns. Their portfolio spans e-commerce platforms (Umbraco Commerce and Sitefinity with Ucommerce), business applications, and engineering support services. The core offering is custom development with ongoing support, supplemented by Igloo Theme for e-commerce storefront implementations. The company provides end-to-end services from discovery and design through development, launch, and ongoing maintenance.

Differentiator

Problem solved

Functional benefit

Brands

• Igloo: E-commerce theme/product offered by TSD for Umbraco Commerce powered sites.
• TrendSeam

Products and services

• Igloo Theme A bespoke e-commerce theme built on Umbraco Commerce that powers B2C/D2C storefronts, giving clients complete control over the online shopping experience. Used as part of TSD's Umbraco e-commerce solutions (e.g., Bond Jewellery).
• Custom E-commerce Platform Development Design, build, and implementation of custom e-commerce platforms powered by Umbraco Commerce (with Igloo Theme) and Sitefinity with Ucommerce, including B2C/D2C capabilities and replatforming from end-of-life systems. Sold to enterprise and mid-market retailers such as Bond Jewellery, Westons Cider, CIM, and ETAP.
• Business Application Replatforming Replatforming and modernisation of mission-critical business applications and databases, including UX/UI redesign and process automation. Sold to organisations such as SafeLives (MARAC database replatform) on tight deadlines.
• Ongoing Support & Maintenance Recurring post-launch services including proactive monitoring, issue resolution, cloud infrastructure management, and continuous updates to keep systems running at peak performance.
• Fractional CTO Services Strategic technology leadership providing CTO capabilities to steer projects, align technology with business goals, and drive innovation. Sold to clients such as Alphastream.
• Developer Augmentation Bolstering client development capacity with expert TSD developers who work alongside existing client engineering teams. Sold to clients such as Alphastream.

Quantifiable outcome

• Eliminated dozens of manual processes for SafeLives
• +2 more outcomes

Named customers6 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Three partnerships are on record, tiered core and minor.

• Igloo ThemecoreOEM/ Whitelabel/ Licensing PartnerIgloo is a bespoke e-commerce theme for Umbraco Commerce created by TSD. This proprietary theme gives e-commerce clients complete control over their storefronts and is offered as part of TSD's e-commerce solutions. It represents a core product offering within their Umbraco ecosystem expertise.
• UmbracocoreChannel Partner/ Reseller/ DistributorUmbraco Gold Partner status indicates a certified, high-level partnership in the Umbraco CMS and e-commerce ecosystem. TSD delivers Umbraco-powered solutions including e-commerce platforms, business applications, and replatforming services.
• Dynamic WebminorChannel Partner/ Reseller/ DistributorDynamic Web Business Partner status indicates a certified partnership for delivering solutions using Dynamic Web platforms.

Scale indicators3 records

Recent moves1 record

Expansion highlights5 records

Direct peers

• Cogworks: UK-based Umbraco Gold Partner offering bespoke Umbraco CMS, e-commerce, and integration builds for mid-market and enterprise clients — directly overlapping TSD's core delivery stack and partner tier.
• Moriyama: Long-standing Umbraco Gold Partner and .NET/Umbraco digital agency in the UK, comparable in size, partner tier, and customer profile to TSD.
• Bring Digital: UK Umbraco partner delivering e-commerce and CMS builds for retail and B2C brands, closely mirroring TSD's Bond Jewellery / Westons Cider-style e-commerce engagement model.
• Yellow Moon: UK Umbraco and Sitecore partner focused on .NET/CMS and e-commerce implementations, comparable to TSD on technology stack and target customer base.
• Atomic Smash: Bristol-based Umbraco Gold Partner building custom .NET e-commerce and CMS platforms for UK retailers and brands — directly analogous to TSD's Umbraco Commerce and Sitefinity delivery.
• 67 Bricks: UK digital agency building bespoke web platforms, including editorial and CMS systems, comparable to TSD's custom-software-and-business-application practice (e.g., the SafeLives MARAC replatform).
• Codeware: UK Umbraco partner providing CMS, e-commerce, and integration development for mid-market clients, similar in size, scope, and Microsoft-stack orientation to TSD.
• Netgen: Small UK digital agency delivering bespoke Umbraco/web builds and e-commerce implementations, comparable on scale and service mix to TSD.

Emerging players

• Theodo: UK and France-based custom software agency offering full-stack web/e-commerce builds and dev-team augmentation, overlapping with TSD on bespoke delivery and team-augmentation services.

Broad incumbents

• Thoughtbot: Established global design and custom software agency with fractional-CTO-style advisory work, providing an upper bound for where a senior, process-led UK agency like TSD could scale.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/thesitedoc
• Facebookfacebook.com/TheSiteDoctor
• LinkedInlinkedin.com/company/the-site-doctor-ltd

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about The Site Doctor