A single sole practitioner and a ten-partner accountancy practice have very different phone needs. This guide is for the latter — firms with multiple partners, departments and a client base that expects to reach the right person quickly.
Direct dial-in (DDI) numbers per partner
Each partner or senior associate can have their own direct number, so regular clients can call them directly without going through reception — while still being covered by an auto-attendant for anyone who doesn't have the direct line.
Department-based call routing
Tax, audit, payroll and bookkeeping teams typically handle very different queries. Call routing (via ring groups) means clients select the right department from the auto-attendant and reach an available team member, rather than everything funnelling through one receptionist.
Client confidentiality and call recording
Accountancy involves sensitive financial discussions. Call recording with clear retention policies supports both dispute resolution and internal quality checks — configurable per department if certain conversations shouldn't be recorded.
Scaling for tax season
Self-assessment deadline (31 January) and corporation tax periods bring predictable call volume spikes. Cloud VoIP lets you add temporary extensions or reroute overflow calls to additional staff without hardware changes — then scale back down afterwards.
Sole practitioner instead?
If you're a single accountant or a very small practice without multiple departments, see our more general guide to VoIP for accountants.
Related: Compare VoIPninjas plans · VoIP phone systems · Business phone systems UK · PSTN switch-off 2027 · Talk to us