Account Assistant – Integration Support

ACCOUNTS ASSISTANT - INTEGRATION SUPPORT Trinity Estates
• Competitive
• Hybrid - Hemel Hempstead ROLE OVERVIEW You will play a pivotal role in bringing newly acquired or onboarded businesses into Trinity Estates’ finance ecosystem, ensuring accurate, timely and controlled integration of data, processes and reporting. Working in a hybrid way from home and our Head Office at Vantage Point, 23 Mark Road, Hemel Hempstead, Herts, HP2 7DN
, you will collaborate across Finance, Operations, IT and the wider Odevo Group to make integrations smooth and value-adding. With a blend of hands-on technical accounting, systems mapping and project coordination, you will safeguard financial integrity through data migration, reconciliations and process alignment. You will be a calm, people-focused partner to internal teams and external stakeholders, translating complex information into clear actions and embedding best-practice controls as new entities transition into business-as-usual.

ROLE EXPECTATIONS Most days you will be preparing, validating and reconciling financial data for migration, mapping chart of accounts and tax treatments, and aligning processes with Trinity Estates’ standards. You will troubleshoot issues quickly, document controls, support month-end cutovers for new entities, and provide clear updates to stakeholders to keep timelines on track. WHAT SUCCESS LOOKS LIKE Integrations delivered on time with clean balance sheet reconciliations and zero unresolved data integrity issues.

Clear, auditable migration documentation and process notes that enable seamless handover to BAU teams. Stakeholders feel informed and supported, with risks surfaced early and mitigated proactively. Month-end for onboarded entities closes accurately and to group timelines from the first full cycle. System mappings that are robust, scalable and aligned to group reporting requirements. Continuous improvement ideas implemented to simplify, automate or de-risk future integrations.

HOW YOU'LL SPEND MOST OF YOUR TIME Mapping ledgers, cost centres and reporting structures to group standards and preparing migration templates. Performing trial balance validations, balance sheet reconciliations and resolving variances pre- and post-migration. Posting journals for opening balances, cutover adjustments and intercompany eliminations. Coordinating with IT and Finance Systems to test, validate and sign off data loads. Creating and maintaining integration playbooks, process maps and control checklists.

Partnering with Operations and external stakeholders to gather information, answer queries and track progress. WHO THIS ROLE IS FOR You enjoy solving complex data and accounting puzzles and turning them into clear, actionable plans. You communicate confidently with finance and non-finance colleagues, tailoring detail to your audience. You are highly organised, deadline-driven and comfortable juggling multiple integration work streams. You care about controls and accuracy, but remain pragmatic and solutions-focused under pressure.

You thrive in a collaborative environment and take pride in leaving processes better than you found them. EXPERIENCE THAT HELPS Hands-on experience with data migration, systems change or finance transformation projects. Strong reconciliations background, including complex balance sheet reviews and variance analysis. Proficiency with Excel (lookups, pivots, error checks) and familiarity with ERP/finance systems. Exposure to residential property management, service charge accounting or multi-entity environments.

Working with project plans, RAID logs or similar tools to manage timelines and risks. WHAT WE OFFER Competitive salary, aligned to experience Company car or car allowance for field-based roles 25 days holiday plus bank holidays Pension scheme Vitality private healthcare Perkbox membership with discounts across retail, travel and entertainment Fully funded training and professional development, including paid study leave Employee referral scheme Annual salary review Free eye tests and Cycle to Work scheme Long service award Support for Army Reserve training ABOUT TRINITY ESTATES Trinity Estates is a…