AI WEB APPS & SAAS DEVELOPMENT
TURN YOUR WORKFLOW INTO WORKING SOFTWARE.
Hubflow designs and builds AI-powered web applications, SaaS products, client portals and internal tools—from focused MVPs to connected platforms built around real business processes.
FOCUSED DIGITAL PRODUCTS
Built for a Real User, Workflow and Business Goal.
We do not begin with a long feature list. We identify the core user journey, the problem the product must solve and the smallest useful version that can be tested with real users.
SaaS MVPs
Focused first versions of subscription software designed to validate the product, onboarding experience and essential paid workflow.
AI-Powered Web Applications
Custom applications that use AI for approved tasks such as knowledge retrieval, document processing, classification, drafting, recommendations or workflow assistance.
Client & Customer Portals
Secure web experiences where users can submit information, track progress, access approved resources and manage relevant account activity.
Internal Business Tools
Applications that replace disconnected spreadsheets, repetitive administration and manual handoffs with one structured operational workflow, including role-based dashboards and reporting views for relevant operational data, statuses and activity.
Business Websites & Landing Pages
Responsive business websites and landing pages built to explain your offer, present your work and capture enquiries through a clear user journey.
AI Features for Existing SaaS
New AI capabilities integrated into an existing product, including assistants, semantic search, summarisation, structured extraction and guided workflows.
Scope Note: This service focuses on browser-based software. Native iOS, Android, games and highly specialised enterprise systems are quoted only where explicitly confirmed.
INTERACTIVE DEMO
Experience an App Built Around Your Workflow.
Explore a sample client portal where structured requests, AI-assisted briefs, human approvals and project updates come together in one application.
One Workspace. A Clear Starting Point.
Alex Taylor
Review your projects, submit a new request and see what needs your attention.
This preview opens a fictional workspace. A production app would use your configured sign-in and access permissions.
Open a fictional client workspace and review what needs attention.
This interactive prototype uses fictional records and predefined AI-assisted drafts. It does not create an account, generate a live application, submit a real project or process a payment. Features, integrations, hosting and ongoing support are scoped for each project.
FROM INTERFACE TO OPERATIONS
The Core Systems Behind a Useful SaaS Product.
Every application is scoped around the features required for its first meaningful release. Depending on the project, the product may include:
User Accounts & Permissions
Authentication, onboarding, password recovery and role-based access for customers, team members or administrators.
Subscription & Payment Workflows
Plan selection, checkout, subscription status and billing-related workflows through an approved payment provider.
Application Dashboard
A focused workspace where users can access the product’s main features, information and account actions.
Admin & Operations Panel
Internal tools for reviewing users, records, workflow statuses, exceptions and permitted administrative actions.
Data & Document Management
Structured forms, uploads, searchable records and approved data-processing workflows.
Notifications & Activity
Relevant email, in-app or internal notifications triggered by approved events and user actions.
API & Business Integrations
Connections with supported CRMs, calendars, messaging systems, payment providers and other approved platforms.
Analytics & Product Events
Measurement of key journeys and actions needed to understand onboarding, engagement and product performance.
Clarification: Only the capabilities included in the signed scope are part of the project. Platform limitations, paid services and specialist integrations are confirmed before development.
BUILT FOR FOUNDERS AND OPERATIONAL TEAMS
A Strong Fit When the Product Has a Clear Problem to Solve.
This service is designed for businesses that need focused software—not a vague idea with no defined user, workflow or commercial purpose.
SaaS Founders
Launch a focused MVP that demonstrates the core value before investing in a larger platform.
Existing SaaS Companies
Add AI features, improve a product workflow or build a new customer-facing module.
Agencies & Service Businesses
Turn a repeated client process into a portal, dashboard or white-label digital product.
Operational Teams
Replace spreadsheets, disconnected tools and repetitive administration with a purpose-built internal application.
SUITABILITY CHECK
A Strong Fit When:
- The target user and core problem are clearly defined
- The first release can focus on one main workflow
- Existing tools cannot support the process properly
- There is a realistic plan to test the product with users
- A responsible person can make timely product decisions
Please Note: This service may not be suitable when the project has no validated problem, requires every possible feature in its first release, depends on unconfirmed regulated activity or has no owner available for decisions and testing.
CONNECTED TO THE SERVICES YOUR PRODUCT NEEDS
One Application, Connected to the Right Systems.
The product can connect to approved third-party tools and APIs required for its core workflow. The exact providers are selected around technical requirements, security, cost and client ownership.
Authentication
User identity, login, password recovery and supported access-management services.
Payments
Approved payment providers for checkout, subscriptions and billing status.
Database & Storage
Structured application data, approved file storage and access rules.
Email & Messaging
Transactional notifications, account messages and approved communication workflows.
CRM & Business Platforms
Connections that transfer relevant customer, sales or operational information between supported systems.
AI & Automation Providers
Approved model, retrieval and workflow services selected for the product’s AI features.
Custom APIs
Connections to supported internal or third-party systems with available and suitable APIs.
Cost Clarification: Hosting, databases, domains, payment fees, AI-model usage, email, messaging and other third-party services are separate unless expressly included in the proposal.
FROM IDEA TO TESTABLE PRODUCT
A Focused Build Process With Clear Approval Points.
The project moves through defined stages so product, design and technical decisions are reviewed before they become expensive to change.
Discover
We define the target user, business problem, core journey, success criteria, integrations, risks and first-release boundaries.
Scope
We convert the idea into prioritised features, user flows, technical requirements, milestones and an agreed delivery scope.
Design
We prepare the core interface and experience so important journeys can be reviewed before full development.
Build
We develop the approved product, database, workflows, integrations and administrative controls in planned milestones.
Test
We test important journeys, permissions, integrations, responsive behaviour and agreed failure scenarios with client feedback.
Launch
After approval, we prepare the agreed production environment, complete final checks and support the initial release.
Improve
Real user feedback and product data guide the next features, corrections and ongoing development priorities.
BUILT FOR REAL BUSINESS USE
Clear Ownership and Responsible Access From the Start.
We define account ownership, data access, source-code rights, third-party services and handover responsibilities in the proposal so the client understands what it owns and what remains licensed.
Client-Owned Business Accounts
Where practical, production domains, hosting and important third-party accounts should be created for or transferred to the client.
Access & Permissions
User roles and administrative permissions are designed around the agreed product and the principle of limiting access to what each role requires.
Data Handling
The application is designed to collect and process only the information required for its approved purpose. Privacy notices and lawful business use remain client responsibilities unless separately included.
Source Code & Reusable Components
Ownership and licence terms are defined in the contract. Clients receive the agreed rights after full payment, while third-party and reusable components remain subject to their applicable licences.
Documentation & Handover
The agreed handover can include access details, environment information and basic operating guidance appropriate to the project scope.
Ongoing Maintenance
Hosting monitoring, security updates, bug fixes and new development are included only where an active maintenance plan or warranty period states they are included.
Security Clarification: No software is completely secure or permanently maintenance-free. Security and reliability depend on the complete architecture, providers, configuration, user practices and ongoing updates.
AI WHERE IT IMPROVES THE WORKFLOW
Useful AI Features—Not AI Added for Decoration.
We start with what users need to accomplish, then assess whether AI can improve that experience. Models and supporting tools are selected around your product requirements, data permissions, response quality and operating costs. Standard software logic handles predictable tasks, with human review built into AI-assisted steps where needed.
Knowledge Assistants
Help users find grounded answers from an approved collection of product, policy or business information.
Document Processing
Extract, classify, summarise or route information from approved documents and uploads.
Guided Workflows
Use context to help users complete a task, prepare information or move to the appropriate next step.
Drafting & Transformation
Create first drafts, summaries or structured outputs that users can review before use.
Intelligent Search
Allow users to search relevant product information by meaning instead of relying only on exact keywords.
Human Review & Escalation
Route uncertain, sensitive or high-impact outputs to the appropriate person instead of treating AI as an unrestricted decision-maker.
AI Limitation: AI outputs can be incomplete or inaccurate. The level of testing, user disclosure, human review and access control is selected according to the risk of the feature.
A COMPLETE PRODUCT IMPLEMENTATION
Strategy, Design and Development in One Agreed Scope.
Every proposal is project-specific, but a typical focused build can include:
Product & Planning
- Discovery and requirements workshop
- Core user and workflow definition
- Prioritised MVP feature scope
- Delivery plan and milestone structure
Design & Development
- Responsive web application interface
- Core frontend and backend development
- Database and permission structure
- Agreed AI and third-party integrations
- Basic administrative controls
Testing & Launch
- Core user-journey testing
- Agreed browser and mobile-responsive checks
- Client review and acceptance cycle
- Production deployment support
- Basic handover documentation
Optional Additions
- Advanced dashboards and reporting
- Complex role and permission models
- Data migration or cleanup
- Multi-language support
- Additional integrations
- Ongoing product development
Exclusion Note: Brand strategy, large-scale content entry, unplanned data migration, regulatory certification, native mobile applications and features outside the signed scope are not included unless specifically quoted.
PRICED AROUND PRODUCT SCOPE
Start With the Smallest Version Worth Using.
Final pricing depends on user roles, workflows, design requirements, integrations, AI features, data migration and launch support. Every project receives a written scope and milestone-based quote.
Website & landing-page projects: Quoted separately based on page count, content, design requirements and integrations.
Focused Internal Tool — From £2,500
Best for one team, one core workflow and a limited set of roles or integrations.
- One primary operational workflow
- Responsive application interface
- Basic authentication and permissions
- Structured data or form handling
- One standard integration
- Basic admin view
The proposal defines the core workflow, user roles, data requirements and included integration. Data migration and additional workflows are quoted separately.
SaaS MVP — From £5,000
Best for founders testing a focused customer-facing software product.
- User onboarding and accounts
- Core product dashboard
- One main paid product workflow
- Subscription or payment integration
- Essential admin controls
- Production launch support
The first release covers an agreed core user journey. Payment-provider eligibility, subscription requirements and any AI functionality are confirmed during scoping.
Advanced SaaS Platform — From £10,000
Best for products requiring multiple workflows, advanced permissions, deeper integrations or significant AI functionality.
- Multiple user roles and journeys
- Advanced application logic
- Several approved integrations
- AI-enabled product features
- Reporting or operational dashboards
- Phased delivery and launch support
Features, integrations, permissions and delivery phases are agreed before development. The starting price does not include every capability listed on this page.
Maintenance & Product Support — From £500/Month
Dedicated post-launch technical oversight, stability monitoring and agreed iterations.
- Technical monitoring within agreed scope
- Dependency and security updates
- Included support allowance
- Minor fixes and agreed improvements
- Monthly product review where included
Your plan defines support hours, response expectations, maintenance tasks and the allowance for minor changes. Major features and additional integrations are quoted separately.
Choosing a Starting Point: The implementation options are alternative project scopes. Monthly maintenance is agreed separately.
Pricing & Scope: All prices are in GBP and represent starting points. Your proposal confirms deliverables, milestones and payment terms. Hosting, domains, databases, paid APIs, AI usage and other third-party charges are additional unless expressly included. Work outside the agreed scope is quoted separately.
FREQUENTLY ASKED QUESTIONS
What You Need to Know Before Building.
What is the difference between a website and a web application?
A website mainly presents information and captures enquiries. A web application allows users to sign in, work with data and complete an interactive process through application logic.
What is a SaaS MVP?
It is the smallest customer-facing version of a software product that delivers its core value and can be tested with real users. It should validate the main workflow before every possible feature is built.
Do you build native iOS and Android apps?
This service primarily covers browser-based applications. Native mobile development is included only where expressly confirmed in a project proposal.
Can you build an AI feature into our existing SaaS?
Yes, where the existing architecture and access support the required integration. We first review the use case, available data, risk and technical constraints.
Will we own the source code?
Ownership and licence rights are stated in the proposal. After full payment, the client receives the agreed rights to custom deliverables, subject to reusable, open-source and third-party components.
Can you sign an NDA?
We can review a reasonable mutual or project-specific NDA before receiving confidential product information.
How long does development take?
Timing depends on scope, integrations, feedback and testing. A focused internal tool or MVP can be delivered faster than a multi-role platform. The proposal will contain an estimated timeline and milestones.
Can the price change during development?
The agreed scope has an agreed price or billing method. Requested features, changed assumptions, delayed approvals or new integrations may require a documented change and additional quote.
Are hosting and third-party costs included?
Not automatically. Hosting, databases, domains, email, payment fees, AI-model usage and third-party subscriptions are listed separately unless expressly included.
Do you provide maintenance after launch?
Yes, through an optional maintenance or ongoing product-development plan. The included support, response expectations and change allowance are defined in the plan.
Can you guarantee that the SaaS product will succeed?
No. We can design and build the agreed product, but commercial success also depends on the problem, market, positioning, pricing, distribution and customer adoption.
Can you build every feature in the first version?
Technically many features may be possible, but the first release should remain focused. Building too much before testing usually increases cost, time and product risk.
Do you also build business websites and landing pages?
Yes. We build business websites and landing pages alongside web applications and SaaS products. Website projects are scoped around your content, page structure, enquiry journey and required integrations. We recommend the appropriate approach based on what your visitors need to do.
START YOUR PRODUCT REVIEW
Let’s Review Your Website, Web App or SaaS Idea.
Tell us what you want to build, who will use it and the problem it should solve. We’ll review your requirements and recommend a suitable starting point.