Outsourcing consulting is often sold as something only a specialist can do, but the underlying decision process is fairly consistent and can be run by an internal team that follows it deliberately. This page walks through that process step by step — useful whether you engage a consultant to run it or handle it yourself.
For the separate question of whether hiring a consultant for this process is worth the cost in your situation, see contact center outsourcing consulting.
Step 1: Assess before you shop
Before looking at a single vendor, document your actual call volume by type, current cost per handled call, and the specific pain points driving the outsourcing decision — missed calls, cost, inconsistent quality, lack of after-hours coverage. Skipping this step is why so many outsourcing decisions end up solving the wrong problem well.
Step 2: Decide build vs. outsource vs. automate — before shortlisting vendors
This decision shapes which vendors are even relevant. Outsourcing to a BPO, building an in-house team, and automating with an AI voice agent are three different paths, and comparing vendors across paths that were never actually equivalent is a common mistake. Many businesses land on a mix — automation for the repetitive tier, and either in-house staff or an outsourced partner for everything else.
Step 3: Define requirements clearly
Write down the specific call types in scope, required integrations (CRM, calendar, ticketing), compliance needs, and the service levels that matter — response time, resolution rate, coverage hours. Vague requirements produce vendor comparisons that look thorough but are not actually comparing the same thing.
Step 4: Shortlist and compare on identical criteria
Score every vendor — whatever type — against the same checklist: pricing structure converted to cost-per-handled-call, systems integration depth, compliance practices, and reference-checkable track record. A polished sales pitch is not a substitute for this comparison.
Step 5: Pilot before you commit full volume
This is the step most commonly skipped, usually under time pressure, and it is where problems that a written proposal cannot reveal actually surface — script quality on real calls, integration gaps, response consistency. Any vendor unwilling to support a pilot, AI-based or human-staffed, is worth treating cautiously regardless of their reputation.
Step 6: Roll out with a review cadence built in
Quality drifts without ongoing management. Build in a regular review — call audits, SLA reporting, transcript review for an AI agent — from day one rather than treating launch as the finish line.
What if the first ring was always answered — at any volume?
Bring your call flow — we'll show you what an AI agent would handle and what stays with your team.
Where this process differs for an AI-based option
Steps 1 through 4 apply identically whether you are evaluating a BPO or an AI voice agent vendor. Steps 5 and 6 look somewhat different: piloting an AI agent means testing it against real call transcripts and a limited live volume before full deployment, and the review cadence means transcript review rather than shift-quality audits. Our AI call center guide covers the phased rollout approach that works well for this specifically, and AI call center solutions covers what a pilot looks like for a dialer-integrated deployment. For evaluating the range of vendor types on the market more broadly, see call center outsourcing vendors.
Keeping the process honest
The biggest threat to this process is not any single step going wrong — it is momentum overriding judgment partway through. Once a team has invested weeks assessing and shortlisting, there is real pressure to pick something rather than conclude that none of the shortlisted options actually fit well. Build in an explicit checkpoint after the pilot stage where "none of these" is a genuinely acceptable outcome, not just a theoretical one, so the process does not quietly become a rubber stamp for whichever vendor pitched hardest.
If you want a second opinion on where you are in this process, get in touch and we will look at it with you.
Frequently asked questions
Do I need to hire a consultant to run this process well?
Not necessarily — the process itself (assessment, requirements, shortlisting, pilot) can be run internally if someone owns it and follows it consistently. A consultant adds the most value when the internal team lacks time, vendor-landscape familiarity, or needs a neutral facilitator for a decision with internal disagreement.
How long does a full outsourcing decision process typically take?
It varies with scope, but a thorough process — from initial assessment through a completed pilot — commonly spans a couple of months for a mid-sized decision. Rushing past the assessment or pilot stages to save time is one of the most common causes of a poor vendor fit later.
What is the most commonly skipped step in this process?
The pilot. Many businesses go from shortlist directly to a full contract, skipping a small-scale test that would have surfaced problems (script quality, systems integration gaps, response consistency) before they applied to the entire call volume.
Should build-vs-outsource be decided before or after vendor shortlisting?
Before. Deciding whether you are outsourcing to a BPO, building an in-house team, or automating with AI shapes which vendors you should even be shortlisting — running shortlisting first tends to produce a comparison of options that were never actually equivalent.
How is this different from contact center outsourcing consulting?
This page focuses specifically on the practical, step-by-step decision process for outsourcing calls. Our companion page on contact center outsourcing consulting covers the broader question of when hiring an external consultant for that process is worth the cost versus handling it internally.