Financial Controller

WeBuild-AI; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

WeBuild-AI is seeking a Financial Controller to build a scalable finance function. The role involves management reporting, forecasting, and compliance, requiring a qualified accountant with experience in high-growth environments. The ideal candidate will leverage AI to enhance finance operations.

Qualifications

• Fully qualified accountant with proven post-qualification experience.
• Experience in a Financial Controller or senior finance role at a high-growth company.

Responsibilities

• Prepare and manage financial forecasts, budgets, and cash flow planning.
• Produce timely and insightful monthly management accounts and financial reports.
• Build internal financial processes and controls that scale as the business grows.

Skills

Attention to Detail

Hands-On

Tech-Savvy

Education

ACA

ACCA

CIMA

Tools

Xero

Excel

Google Sheets

Job description

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WeBuild-AI are AI natives delivering 10x value for enterprise organisations. We combine highly skilled experts with our AI Launchpad, industry-aligned language models, and agents to transform enterprise organisations into AI-powered and data-driven businesses. We work with enterprise organisations on a global stage, reinventing how they design, build, and operate AI-powered software at scale with speed.

Our Purpose:

We’re on a mission to reinvent what’s possible with AI in enterprise environments. But innovation doesn’t happen without strong foundations. Our Financial Controller will play a key role in building a scalable, data-led finance function from the ground up—enabling us to grow with speed and confidence while embedding automation and intelligence into everything we do.

Role Overview:

As Financial Controller at WeBuild-AI, you’ll drive our core finance function across management reporting, forecasting, payroll, cashflow, and compliance. You’ll be hands-on and proactive—comfortable building financial infrastructure and processes from scratch. This role is ideal for someone who combines deep accounting expertise with a builder mindset and a passion for designing future-facing, AI-enabled finance systems.

Key Responsibilities:

• Prepare and manage financial forecasts, budgets, and cash flow planning.
• Produce timely and insightful monthly management accounts and financial reports.
• Oversee payroll processing and ensure accurate, compliant execution.
• Lead on HMRC returns and liaise with external auditors to manage year-end filings.
• Build internal financial processes and controls that scale as the business grows.
• Collaborate with leadership to align financial strategy with business objectives.
• Support departments with cost modelling, resource planning, and financial insights.
• Implement modern finance tooling with automation and AI-driven capabilities in mind.

Required Skills & Experience:

• Fully qualified accountant (e.g. ACA, ACCA, CIMA) with proven post-qualification experience.
• Experience working in a professional services or consulting company is essential.
• Previous experience in a Financial Controller or senior finance role at a high-growth company.
• Strong understanding of UK GAAP, HMRC regulations, and audit processes.
• Track record of delivering cashflow planning, management accounts, and financial forecasting.
• Comfortable being hands-on, building systems and processes from the ground up.
• Interest in applying AI and automation to streamline finance operations.
• Experience with tools like Xero, Excel/Google Sheets, and finance automation platforms.
• Excellent attention to detail, with the ability to distill complexity into clear insights.

The Mindset We Value:

Builder Mentality:

You’re not just maintaining a system—you’re designing and building something new from scratch.

Tech-Savvy Operator:

You see how AI and automation can radically improve traditional finance processes and want to lead that evolution.

Detail-Oriented, Hands-On Doer:

You’re just as comfortable deep in the numbers as you are in strategic conversations with senior leadership.

You lead with integrity, accuracy, and accountability—and become a go-to voice for sound financial decisions.

• Lead the creation of a modern, AI-integrated finance function from day one.
• Work directly with the executive team on strategic planning and investment decisions.
• Shape the financial systems, tools, and processes that power our growth.
• Help define the future of how finance operates in a next-gen AI organisation.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Finance

• Industries

  IT Services and IT Consulting

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