Finance Operations

Finance Stack for Startups
The Tools That Scale With You

Xero at the core, connected to payments, expenses, forecasting and payroll. How to build a finance system that automates the boring stuff and gives you real-time visibility.

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What Is a Startup Finance Stack?

Your finance stack is the set of connected software tools that handle your accounting, payments, expenses, invoicing, payroll, reporting and forecasting. A well-built stack automates repetitive work, eliminates manual data entry, and gives you real-time financial visibility — without hiring a finance team.

For UK startups, the stack centres on Xero as the cloud accounting platform, connected to specialist tools for payments, receipt capture, cash flow and payroll. The right combination depends on your business model, transaction volume and growth stage.

AccTek configures and manages the full finance stack for every startup client — so your tools work together from day one.

The Recommended Startup Finance Stack

Core — Cloud Accounting

Xero

Cloud Accounting · Core Platform
From £15/mo (Standard £30/mo recommended) · exc. VAT

The foundation of everything. Automated bank feeds, invoicing, MTD-compliant VAT returns, real-time P&L and balance sheet, multi-currency (Premium), and 1,000+ integrations. Why Xero beats FreeAgent and QuickBooks.

Layer 2 — Payments & Banking

Stripe

Card Payments · Subscriptions
1.5% + 20p per transaction (UK cards)

The default for SaaS, ecommerce and online businesses. Handles card payments, subscription billing, invoicing and payouts. Excellent Xero integration via Amaka or native app.

GoCardless

Direct Debit · Recurring Payments
1% + 20p per transaction (capped at £4)

Direct Debit collection for recurring invoices, retainers and subscription payments. Lower fees than card payments. Native Xero integration — payments match automatically.

Wise Business

Multi-Currency Banking
Free account · low FX fees

Hold and send money in 40+ currencies at real exchange rates. Essential for startups with international customers or suppliers. Connects to Xero as a bank feed.

Tide / Starling

Business Banking
Free current account

Modern digital business bank accounts with instant Xero bank feed connection, real-time notifications and fast setup. Tide offers built-in invoicing. Starling offers interest on balances.

Layer 3 — Expenses & Receipt Capture

Dext (formerly Receipt Bank)

Receipt Capture · Expense Management
From £15/mo

Photograph receipts, forward email invoices — Dext extracts the data and publishes to Xero with correct categorisation. Eliminates paper receipts entirely. HMRC-compliant records.

Hubdoc (included with Xero)

Document Capture · Free with Xero
Included with Xero subscription

Xero’s built-in receipt and document capture tool. Snap photos, email documents, or connect to suppliers for automatic bill fetching. Good for basic needs. Dext is more powerful for higher volumes.

Layer 4 — Forecasting & Cash Flow

Float

Cash Flow Forecasting
From £29/mo

Visual cash flow forecasting that syncs with Xero in real time. Scenario planning, runway calculations and budget tracking. Essential for startups managing burn rate or preparing for fundraising.

Futrli / Spotlight Reporting

Reporting & Analytics
From £30/mo

Advanced reporting dashboards, 3-way forecasting (P&L, balance sheet, cash flow) and KPI tracking beyond what Xero offers natively. Useful for board packs and investor reporting.

Layer 5 — Invoicing & Collections

Chaser

Automated Invoice Chasing
From £25/mo

Automated, personalised payment reminders sent on your behalf. Escalation sequences, payment portals and debtor tracking. Reduces average payment time by 16+ days.

Xero Invoicing (built-in)

Invoicing · Free with Xero
Included

Branded invoices, online payment links (Stripe/GoCardless), automatic reminders and recurring invoice schedules. Sufficient for most startups until volume demands more.

Layer 6 — Payroll & HR

Xero Payroll

UK Payroll · RTI · Pensions
£5/mo (up to 5 employees) + £1/extra

Built into Xero. Handles PAYE, RTI submissions to HMRC, pension auto-enrolment, payslips and director salary payments. Simplest option for small teams.

PayFit / Staffology

Advanced Payroll & HR
From £17/employee/mo

For growing teams that need employee self-service, leave management, onboarding workflows and more advanced payroll features beyond Xero Payroll. Integrates with Xero.

Layer 7 — Approvals & Controls (Growth Stage)

ApprovalMax

Purchase Approval Workflows
From £25/mo

Multi-step approval workflows for bills and purchase orders. Delegation rules, spending limits and audit trails. Essential once you have multiple people authorising spend.

Pleo / Soldo

Company Cards & Expense Management
From £35/mo

Virtual and physical company cards with spending limits, real-time tracking and automatic Xero categorisation. Replaces expense claims and personal card reimbursements.

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Stack by Business Model

Business TypeCore StackKey Additions~Monthly Cost
Solo founder / pre-revenueXero Starter + HubdocTide/Starling~£15
Early-revenue startupXero Standard + DextStripe + Xero Payroll~£55
SaaS companyXero Premium + Dext + StripeGoCardless + Float + Wise~£120
Agency / consultancyXero Standard + Dext + ChaserFloat + Xero Payroll~£105
Scaling team (10+ people)Xero Standard + Dext + PayFitApprovalMax + Pleo + Float~£250+
AccTek configures your stack

We assess your business model, transaction patterns and growth plans, then configure the optimal combination. Stack setup is included in every startup package — no separate consulting fee.

How the Stack Connects

The power of a finance stack isn’t in the individual tools — it’s in how they connect. When properly configured, data flows automatically between systems with minimal manual intervention.

The flow for a typical SaaS startup

  1. Customer pays via Stripe → transaction recorded automatically
  2. Stripe payout lands in Tide/Starling → Xero bank feed picks it up
  3. Xero reconciles the payout against Stripe invoice data
  4. Team member buys software → photographs receipt in Dext → auto-published to Xero with correct category
  5. Monthly payroll runs in Xero Payroll → RTI submitted to HMRC automatically
  6. Float pulls Xero data → updates cash flow forecast and runway in real time
  7. AccTek reviews monthly → reconciles, produces management accounts, flags issues

The result: real-time financial visibility with almost zero manual data entry. Your bookkeeping stays current automatically, and your accountant spends time on strategy rather than chasing receipts.

Common Stack Mistakes

Frequently Asked Questions

What is a startup finance stack?

The combination of software tools that handle your accounting, payments, expenses, invoicing, payroll, forecasting and reporting. For UK startups, the core is Xero connected to payment processors, receipt capture tools, cash flow apps and payroll systems.

What is the best accounting software for UK startups?

Xero. It offers automated bank feeds, MTD-compliant VAT returns, 1,000+ integrations, multi-currency support, real-time dashboards and the largest UK accountant partner network.

What tools integrate with Xero?

1,000+ apps including Stripe, GoCardless, Dext, Float, Chaser, ApprovalMax, Wise Business, Xero Payroll, PayFit, Shopify, WooCommerce, Pleo and Soldo.

How much does a startup finance stack cost?

Typically £50–£150/month: Xero Standard (£30), Dext (£15–£25), optionally Float (£29) or Chaser (from £25). Payment processors charge per transaction. Your accountant may include some tools in their package.

Do I need a receipt capture tool?

Yes. HMRC requires receipts for 6 years. Dext or Hubdoc (free with Xero) lets you photograph receipts on your phone and auto-match to transactions — eliminating paper records.

What payment processor should a startup use?

Stripe for SaaS and online businesses. GoCardless for Direct Debit recurring payments. Both integrate natively with Xero.

Does my startup need cash flow forecasting?

If cash flow matters (and it should), yes. Float syncs with Xero for real-time forecasting, scenario planning and runway calculations. Particularly valuable when managing burn rate or preparing for fundraising.

What is the best payroll for UK startups?

Xero Payroll (£5/month for 5 employees) is simplest. PayFit or Staffology offer more features for larger teams. AccTek manages payroll through Xero for all clients.

How do I connect Stripe to Xero?

Via Stripe’s native Xero app or through Amaka. The integration imports transactions, fees and payouts automatically for reconciliation. AccTek configures this during Xero setup.

Can AccTek set up my finance stack?

Yes. AccTek configures the full stack — Xero, bank feeds, receipt capture, payment processor integration, payroll, forecasting tools. Configuration is included in fixed-fee startup packages.

Your CFO layer sits on top of this stack. Our fractional CFO for startups turns your Xero data into forecasts, board packs, and investor-ready reporting.

Ready to Build Your Finance Stack?

AccTek configures Xero and every connected tool — so your finance system works from day one.

Get My Quote →

Pricing and features accurate as of mid-2026 and subject to change. All prices exclude VAT unless stated. This page is for general information only — contact AccTek for personalised advice. Content by Godwin Pinto, ACA (ICAEW).