4 ecosystem for the United Kingdom

34 applications that talk to each other.
One HMRC-ready VAT invoice at the end of the month.

Building a UK business usually means duct-taping seven different tools together: a CRM in American English, an invoicing app that does not talk to the CRM, an HR system that has never heard of pension auto-enrolment, a scheduler that bills SMS in dollars, and a support team that answers at 11 PM London time.

The 4 ecosystem is the opposite bet: 34 applications designed to connect on day one, all in English, all issuing a VAT invoice from the start, all thinking in pounds. CRM, ERP, HR with PAYE, invoicing, bookings, e-commerce, contracts, projects, beauty salons, clinics, solicitors, producers and estate agents. Every vertical specific to the UK, in detail below.

Block 01

Core platforms

The seven pillars everything else builds on: artificial intelligence, B2B platform, CRM, ERP, HR, databases and hosting. All connected on day one, all in English, all issuing a VAT invoice from the off.

AI

AI Platform

4-a-i.net

Automation and intelligent agents that actually understand British English

AI platform built on LLMs with genuine ability in British English (not just American with the colour spelling): inbound email triage, data extraction from scanned invoices and receipts, meeting minute summaries, customer support agents that know your catalogue. Native connection to the rest of the ecosystem, no middleware glue.

Self-hosted models in EU · Anthropic, OpenAI, Mistral · UK GDPR + DPA 2018
B2B

B2B Platform

4b2b.net

The central operational hub of the ecosystem

Central platform that wires the ecosystem apps into a single operating flow. Consolidated dashboard per business unit, reports cross-cutting CRM, invoicing and projects data, single sign-on for the whole team, and centralised permissions administration.

SSO via Microsoft Entra ID, Google Workspace, SAML 2.0 · REST API and webhooks
CRM

Customer Relationships

4softcrm.net

Sales pipeline, lead management and performance reporting

Complete CRM for UK companies and contacts, automatic scoring by historical behaviour, visual pipeline with configurable stages, multi-channel activity tracking (call, email, WhatsApp, visit). Integrated with HMRC-compatible invoicing, marketing engine and notifications — no double data entry.

Companies House lookup · WhatsApp Business API · Stripe + GoCardless · Channel tracking
ERP

Integrated operations and resources

Modular ERP for UK processes: purchase orders with goods received notes, stock management by warehouse, manufacturing and traceability, logistics, financial control. VAT 20 % broken out on every document, HMRC MTD-ready submission, support for reverse charge on EU B2B.

HMRC MTD compatible · VAT 20 % breakdown · Reverse-charge B2B · Xero/FreeAgent feed
HR

Human Resources

4softhr.net

People management, attendance and performance reviews

Complete HR with digital employee file, automated onboarding, dynamic org chart, attendance control by biometric or GPS, holiday and absence management per UK statutory rules. Payroll calculation honouring PAYE, NIC, pension auto-enrolment (Workplace Pensions) and student loan deductions.

PAYE + NIC · Workplace Pensions auto-enrolment · Real-Time Information ready
DB

Visual modelling, automatic APIs and enterprise security

Database platform with visual drag & drop modelling, automatic migrations, no-SQL query editor for business users, automatic REST API generation with Swagger documentation, end-to-end encryption. Designed so the product team can ship new tables without waiting on an engineering sprint.

Managed PostgreSQL · Point-in-time backup · Regional replication · Full audit log
HS

Scalable and secure infrastructure billed in GBP

Web hosting, .co.uk and .com domain registration, VPS, dedicated servers, AI-ready GPU and managed stack. Billing in pounds with VAT 20 % on its own line, VAT invoice per HMRC requirements. European Tier III datacenter, daily automatic backup, free Let's Encrypt SSL, integrated CDN, 24/7 support during UK working hours plus P1 on-call.

Nominet .co.uk registrar · European Tier III · Contractual 99.99 % SLA in GBP
Block 02

Commerce & marketing

E-commerce and marketing for UK businesses selling to UK customers: catalogues, marketplaces, pricing engine, campaigns, smart search, affiliates with GBP commissions and HMRC-compatible invoicing.

SH

Online Shops

4Shopy.net

End-to-end e-commerce with UK payment rails

Complete e-commerce platform for building and running online shops: product catalogue with variants and warehouses, persistent basket, mobile-optimised checkout, native integration with Stripe, GoCardless, Apple Pay, Google Pay and PayPal UK. Responsive templates, technical SEO, integration with Royal Mail, DPD, Hermes/Evri and Yodel.

Stripe + GoCardless · Royal Mail, DPD, Evri, Yodel · VAT invoice per sale
SF

For restaurants and delivery with UK integrations

For restaurants and food delivery services: digital menu with photos and prices updatable in seconds, online orders with customisation, real-time delivery tracking and own-courier management. Integration with Deliveroo, Just Eat and Uber Eats. Sales reports by item, by hour and by zone.

Deliveroo, Just Eat, Uber Eats · Contactless QR menus · Kitchen Display System ready
PR

Price Optimisation

4Pricing.net

Dynamic pricing strategies for the UK market

Intelligent engine analysing competition, demand, seasonality and costs to recommend the optimal price per SKU. Automatic discount rules for Black Friday, Boxing Day and January Sales, A/B price testing, profitability simulations and alerts when a competitor moves prices. Built for UK retail and marketplaces.

Monitor M&S, Argos, John Lewis · Black Friday/Boxing Day rules · Real margin simulation
MK

Digital Marketing

4marketingonline.net

Campaigns, lead generation and performance analysis

Digital marketing platform with SEO campaigns on British English keywords, Google Ads and Meta Ads managed from one panel, content marketing, optimised landing pages, intelligent lead scoring, automated nurturing via email and WhatsApp, multi-touch attribution dashboard. Includes UK-vertical templates and benchmarks.

Google Ads, Meta, TikTok Ads, LinkedIn · UK postcode targeting · British English templates
BC

On-site Search

4Searchify.net

Intelligent search adapted to e-commerce

Intelligent search for websites and e-commerce with autocomplete, English spelling correction (UK and US variants), dynamic filters by catalogue attributes, semantic search with English morphology and ranking personalised by user behaviour. Search API with under 50 ms latency.

Fuzzy and semantic search · UK/US spelling variants · Custom synonyms
AF

Affiliate Program

4Affiliation.net

Affiliate marketing with GBP commissions

Platform to build and run affiliate programs: click and conversion tracking with first-party cookies, configurable commissions per tier and category in GBP, automatic payouts to UK bank accounts (Faster Payments) or to international cards. Detailed performance reports per affiliate and per product.

Faster Payments and BACS payouts · Cookieless-ready tracking · Stripe Connect for international
FE

Electronic Invoicing

4invoices.net

Issue, send and track with HMRC MTD integration

Complete electronic invoicing system with HMRC Making Tax Digital integration, VAT invoices, credit notes and debit notes. Recurring invoices for SaaS, automatic collection via Stripe and GoCardless, automated bank reconciliation, and multi-currency GBP/EUR/USD for exporters. Xero, FreeAgent and QuickBooks-ready data feeds.

HMRC MTD ready · Reverse-charge VAT · Xero/FreeAgent/QuickBooks export · Stripe Tax
Block 03

Services & bookings

Professional services that live and die on billable hours and booking quality: online bookings, clinics with NHS-aware patient flows, therapists, solicitors, consultancies, beauty salons, shift management.

BK

Online Bookings

4Appointments.net

24/7 bookings with synchronised calendar and reminders

Bookings system with unified calendar per professional, self-service booking from your customer-facing site, sync with Google Calendar and Outlook, automatic reminders via SMS and WhatsApp (with UK operators EE, O2, Vodafone and Three), automatic confirmation and multi-location management with per-site policies.

SMS via EE/O2/Vodafone/Three · WhatsApp Business · 24h and 2h reminders
CL

Complete software for UK private clinics

System for UK medical clinics: patient records, appointment scheduling per clinician, consultations, electronic prescriptions with digital signature, medical documents. NHS Digital aware design, integration with laboratories and imaging, reports per clinician, invoicing with VAT treatment per service type, compliance with the Care Quality Commission guidance.

NHS Digital aware · CQC guidance aligned · Electronic prescription with digital signature
TR

Sessions and client records for psychotherapists

Specialised platform for therapy and counselling practices in the UK: client record with clinical history, encrypted session notes, mid-term therapeutic plans, recurring schedule, secure messaging, automatic reminders. Progress reports, VAT-exempt billing for medical services, BACP and UKCP code-of-ethics-aware design.

Row-level encrypted notes · VAT-exempt medical services · Telehealth ready · BACP/UKCP aware
LW

Cases, documents and clients for UK law firms

Case management for UK law firms: case file with timeline, deadlines per the Civil Procedure Rules and Criminal Procedure Rules, UK legal templates, time-recording and notes. Hourly or fixed-fee billing in GBP, automatic conflict-of-interest checking, integration with HM Courts & Tribunals Service portals where available.

Civil Procedure Rules deadlines · Conflict-check · HMCTS aware · SRA Accounts Rules support
CO

Projects, clients and deliverables for consultancies

Platform for UK consultancies: project management, timesheets per consultant, deliverables and client reports. Hour tracking per project and consultant, automatic billing per hourly rate in GBP, profitability dashboards, KPI control per engagement, support for IR35 considerations on contractor relationships.

IR35-aware contractor flows · Hourly rate per consultant · Real margin per engagement
BS

Beauty & Spa

4Beautify.net

Bookings and aesthetic services

System for UK beauty salons, spas and aesthetic clinics: online booking, client record with treatment history and preferences (allergies, favourite products), service packages, points-based loyalty, SMS and WhatsApp reminders, VAT invoice per service. Multi-location management and per-professional commissions.

Allergy history · Points loyalty · Per-professional commission · VAT invoice per service
ST

Shift planning and resources

Staff planning platform: shifts, availability, swaps, allocation to sites or projects. Visual calendar for supervisors, automatic notifications, automatic rest period calculation per the Working Time Regulations 1998, and attendance reports integrated with payroll.

Working Time Regulations 1998 · GPS or biometric attendance · Automatic rest periods
Block 04

Operations

Admin operations that normally live in spreadsheets and shared folders: digital contracts, projects, multichannel notifications, transport, garages, construction and lettings.

CT

Contract Management

4contracts.net

Create, sign and manage digital contracts

Complete contractual documentation management with versioning, reusable Jinja2 templates, simple and advanced electronic signatures (compliant with the Electronic Communications Act 2000 and eIDAS legacy where applicable), immutable audit log, and multi-signatory approval flow with per-stage notifications. Automatic renewal with advance alerts and consolidated panel for managers tracking hundreds of contracts.

Electronic Communications Act 2000 · eIDAS-aligned · DocuSign and Yousign interop · Immutable audit log
PJ

Project Management

4MyProjects.net

Plan, collaborate and ship projects on time

Complete project management platform with Kanban and Scrum boards, Gantt charts, time tracking with GBP cost per person-hour, detailed progress and profitability reports. Resource allocation, real-time collaboration, threaded comments, integration with the rest of the ecosystem (CRM, invoicing, HR) and pre-built templates for common UK project types.

Kanban and Gantt boards · GBP person-hour costing · UK consultancy templates
NT

Multichannel Notifications

4notify.net

Email, SMS, push and webhooks from one place

Centralised notification system: transactional emails with English templates, SMS via EE/O2/Vodafone/Three (UK local pricing), web and mobile push, WhatsApp Business and outbound webhooks. Event-driven automations, multi-step drip campaigns, audience segmentation by attribute and behaviour, A/B testing on subject and content.

Email, UK SMS, WhatsApp Business, push · Native A/B testing · Drag-and-drop templates
TP

Routes, deliveries and fleets

Transport and logistics management system: route planning with real-time traffic, GPS vehicle tracking, fleet administration, electronic transport documents, fuel and maintenance control. Route optimisation to reduce empty miles, automatic notifications to the recipient, and cost reports per vehicle and per driver.

Real-time traffic optimisation · Multi-brand GPS · Tachograph aware for HGV fleets
GA

Bookings, quotes and parts

Platform for UK garages: appointment booking, quotes with VAT breakdown, parts management with stock tracking, service history per registration plate. Inventory synced with Euro Car Parts, GSF Car Parts and other national suppliers, automatic invoicing, MOT and road tax reminders, reports per mechanic and per work order.

MOT and road tax reminders · Service history per reg plate · Euro Car Parts/GSF sync
CN

Construction

4BuildSite.net

Sites, crews and budgets

Construction and architecture management system: site planning, progress tracking, phase budgets with bill of quantities, subcontractor and labour management. Payment certificates per JCT or NEC contracts, digital site diary with signatures, geotagged photo records, integration with merchants, and detailed actual-vs-budgeted cost reports.

JCT and NEC payment certificates · Digital site diary · Bill of quantities · CITB-aware
LT

Listings and reservations

Lettings management platform: listings with gallery, availability calendar, automatic tenancy agreements per the Housing Act 1988 (AST) and equivalent regulations, recurring collection via GoCardless and direct debit. Tenant referencing, payment reminders, maintenance management and repair requests, financial reports per property.

Housing Act 1988 AST templates · Tenant referencing · GoCardless direct debit
Block 05

Property & events

Property, travel and events — verticals with date-driven inventory, complex commission structures and intense end-customer communication. UK-ready templates for letting agents, travel agencies, producers and venue managers.

RE

Estate Agency

4RealEstate.net

Listings and leads for UK estate agents

CRM for UK estate agents: property listings for sale and let, automatic buyer-property matching, viewings with confirmation, offers with counter-offer tracking. Integration with Rightmove, Zoopla and OnTheMarket portals, commission calculation per typical UK agency arrangements, per-agent reports, marketing automation and targeted campaigns.

Rightmove, Zoopla, OnTheMarket · Standard UK commission models · HM Land Registry aware
TV

Packages, bookings and clients

Platform for UK travel agencies: package creation to Mediterranean, ski resorts, long-haul and city breaks, hotel and transport bookings, customisable itineraries and traveller documents. Automatic GBP and EUR/USD quoting, contracts per Package Travel Regulations, group management, sales reports per destination and per consultant.

Package Travel Regulations 2018 · ATOL-aware operations · GBP/EUR/USD multi-currency
EV

Organisation and guest management

Complete event planning system for the UK market: planning, budgeting in GBP, supplier management, guest list with RSVP. Event timeline, digital QR check-in, attendee communication via WhatsApp, post-event surveys, detailed cost reports per category and registry of recurring suppliers (catering, AV, decor).

QR check-in · Recurring suppliers · GBP budget with VAT breakdown
TK

Issuance and access control

Ticket issuance and sales platform for concerts, conferences, sporting events and tourist attractions in the UK. Digital tickets with QR, price categories in GBP, numbered seating, early-bird promotions with automatic expiry, VAT invoice per sale, and real-time sales dashboard with filters per channel and per ticket type.

Anti-fraud QR · Numbered seating · VAT invoice per sale · Boxing Day/Black Friday ready
VN

Spaces, capacity and availability

Event-space management system: conference halls, restaurants, country estates for weddings and outdoor venues. Availability calendar by capacity, layout configuration per event type, automatic quoting in GBP + VAT, electronic contracts, billing, and occupancy dashboard by period. Integration with catering and suppliers.

Per-event layout · Automatic GBP quoting · Capacity-based calendar
BH

Fast embeddable booking engine

Universal booking engine embeddable into any UK website or application. Customisable widget honouring your brand identity, real-time availability calendar, automatic confirmation, online payment via Stripe, GoCardless, Apple Pay and Google Pay, pre-appointment reminders, and open API for custom integrations with legacy systems.

Embeddable widget · REST API · Stripe, GoCardless, Apple Pay, Google Pay
CF

Conferences

4Expo.net

Registrations and logistics

Platform for conferences and exhibitions: online registrations, speaker and agenda management, exhibitor stands, digital networking with auto-matchmaking. Unique QR badges, integrated streaming, interactive sessions with live Q&A, surveys, participation certificates and detailed sponsor reports.

Unique QR · Integrated streaming · Live Q&A · Auto-issued certificates
Let's talk

Which of these pieces do you need to start with?

You do not need to adopt all 34 applications at once. Most of our UK customers start with one or two (typically HMRC-aware invoicing and the CRM) and add pieces as the business demands them. Tell us what you are solving for and we will put the setup together with you.