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Home » Glossary » Subject Matter Expert (SME)

Subject Matter Expert (SME)

Definition

Subject Matter Expert (SME)

A subject matter expert (SME) is a domain specialist whose deep, hands-on knowledge of one product, process, or system makes them the go-to authority when frontline agents hit a wall. In a call center, SMEs turn tricky escalations into fast, correct answers and lift first-call resolution across the floor.

You’ll find SMEs woven into onboarding, quality assurance, complex client accounts, and product-launch war rooms. Their value shows up in the unglamorous but critical work — writing the knowledge base new hires learn from, or coaching the agent about to lose a top-tier account.

The demand is real. The BPO sector, projected to top $525 billion by 2030 per Precedence Research, runs on specialization, and every specialty queue needs a resident expert.

The role also matters at hire time. Recruiters treat “SME-track” as a distinct career path, with pay premiums of 15–25% over comparable frontline seats in most Southeast Asian and Latin American markets.

Key takeaways

  • SMEs are single-domain specialists, not generalist supervisors, so their answers land right the first time.
  • Call centers embed SMEs on complex queues like billing, technical, or compliance to shore up first-call resolution.
  • Most SMEs come from within: a top-performing agent moves into the role after 12–18 months on the floor.
  • Their day mixes live escalation support, coaching, knowledge-base upkeep, and QA calibration.
  • Well-utilized SMEs cut average handle time and reduce agent attrition by giving frontline staff a safety net.

How it works

A subject matter expert works as a fixed reference point on the floor. Agents route trapped calls to them via chat, warm transfer, or a live escalation queue, and the SME either coaches the agent through the fix or takes the call themselves.

The SME is not a supervisor. They own knowledge, not headcount. A well-designed BPO gives each specialty — billing, technical, compliance, retention — its own SME per shift, sitting inside the call center team rather than parked in HQ.

Their day breaks into predictable buckets. Here’s how a typical eight-hour SME shift splits across the workload:

ActivityShare of shiftWhat it looks like
Live escalation support40%Handling transferred calls or coaching agents in real time
Knowledge-base upkeep25%Writing macros, updating scripts, drafting FAQs
Coaching and calibration20%Weekly 1:1s, side-by-side listening, QA calibration sessions
Client-facing work15%SME steer on new queues, product-launch briefings

That split shifts by vertical. A business process outsourcing SME on a healthcare account spends more time on compliance updates than one on a consumer retail queue.

Examples

SMEs show up wherever a queue needs deep, on-tap product knowledge. The pattern repeats across industries: a specialist sits inside the operation, and frontline agents route the trickiest 5–10% of calls to them.

Concentrix technical accounts. The BPO staffs certified network SMEs on complex telecom queues, letting agents route dead-end calls to a specialist instead of escalating them to management.

Teleperformance in the Philippines. The country hosts 1.8 million-plus BPO workers per IBPAP, and its operations lean on senior agents promoted to SME after 12–18 months on the floor, a career ladder that also fights attrition.

HubSpot’s B2B marketing model. As HubSpot documents, SMEs aren’t just call-center fixtures. Marketing teams tap them for webinars, whitepapers, and product-launch content, treating the SME as the single source of truth.

Financial services back office. SMEs on mortgage-processing queues cross-check compliance points before a file goes to underwriting. In regulated verticals, the SME layer sits one grade up from frontline in pay and title, and open seats close faster than equivalent agent roles.

Small-team pattern. A 40-seat customer support account still carries one SME per shift. The ratio matters more than headcount, and no queue should ever be SME-blind.

Related terms

FAQ

What does a subject matter expert do in a call center?

An SME handles the toughest 5–10% of calls agents can’t resolve alone. They coach live, own the knowledge base, and calibrate quality scores, so their real product is agent capability, not just resolved tickets.

How do you become a subject matter expert?

Most SMEs are promoted from within after 12–18 months of top-tier agent performance. Employers look for accuracy, teaching instinct, and comfort under escalation pressure, not tenure alone.

Is a subject matter expert the same as a supervisor?

No. Supervisors own headcount, schedules, and disciplinary calls, while SMEs own knowledge. The two roles work side by side, and confusing them is one of the fastest ways to hollow out a specialist queue.

How many SMEs does a call center need?

A common rule of thumb is one SME per 20–30 seats per shift, adjusted for queue complexity. A regulated queue like healthcare or fintech runs closer to 1:15, and a straightforward retail queue can stretch to 1:40.

What skills make a good SME?

Deep domain fluency, patience to teach, and the confidence to say “I don’t know — let me check.” Great SMEs also read customer research widely, treating sources like Help Scout’s customer experience library as required reading.

Where do subject matter experts work outside call centers?

Software teams, marketing departments, legal firms, and finance ops all use SMEs. The label travels wherever a decision needs a fast, correct answer from someone with hands-on depth, so any complex account has one somewhere in the chain.

Ready to build a call center team with the specialist depth your customers expect? Explore Outsource Accelerator’s BPO hubs to find providers matched to your queue.

Outsourcing FAQ

What is a Team Leader?

What is a team leader?

Team leaders within the outsourcing industry are in charge of handling agents or employees, reporting the team’s progress to higher management, coordinating efforts and division of tasks, and resolving interpersonal concerns.

As opposed to a manager, a team leader does not have the authority to hire or fire employees. However, they will often be called for their input in such decisions.

A good team leader will have excellent communication skills and empathy, as the creativity and organizational skills to create an environment where team members have clear goals and a clear division of labor.

Depending on the team, some may define their goals and divide their labor collaboratively. Oftentimes the team leader will be the one to set both with input from the team.

In both cases, a team leader must create an environment where each team member has bought into the tasks at hand.

Call center team leader

In the Philippines, a team leader can earn somewhere between $7,000 – $10,000 per annum. In a typical call center environment, they are expected to handle anywhere between 5 to 15 agents at any given project.

Outsource Accelerator provides you with the best customer service outsourcing companies in the Philippines, where you can save up to 70% on staffing costs. We have over 3,000 articles, 200+ podcast episodes, and a comprehensive directory with 700+ BPOs… all designed to make it easier for clients to learn about, and engage with, outsourcing.

What does a call center team leader do?

A call center team leader is in charge of supervising and monitoring a group of call center staff. Their role is to give training and feedback to the team, as well as to guarantee that the team’s goals are accomplished and to analyze each member’s performance.

Discussing objectives with the call center manager and delivering them to the staff are also part of the team leader’s responsibilities.

Leadership abilities, customer service experience, observational awareness, and the ability to communicate effectively over the phone are all required for this position.

Call center team leader duties and responsibilities

Lower-level managers at call centers are called team leaders, and their goal is to get the best performance out of those under their supervision. A customer service director or call center manager is usually their supervisor.

Successful leaders of a call center team usually possess leadership skills and other characteristics they need to handle their responsibilities.

Here are some primary duties of call center team leaders to maximize productivity and quality customer care:

Handling day-to-day operations

Leaders of call center teams are hands-on leaders. They ensure that proper processes are followed and offer regular instructions to their employees on what to do and how to improve.

When a customer service representative requires assistance, call center team leaders may engage, give advice, or request a specific adjustment. One of their responsibilities is to schedule personnel to guarantee appropriate coverage.

Motivating team members

Responding to client complaints might be difficult at times. Team leaders motivate each team member to take their jobs seriously and to work hard to develop good customer relationships.

They create targets and goals for them to accomplish to motivate them and assess their performance. At the same time, they create a work environment that conducts good team communication and collaboration.

Hiring and training staff

Call center team leaders may be in charge of recruiting, interviewing, and hiring employees if they have a good understanding of what their organization needs from its customer service team.

They are then responsible for training team members on their responsibilities and expectations in the company.

Evaluating performance

Team leaders should monitor how each team member doing. They need to consider how they can boost efficiency and customer satisfaction. Written reports to senior management may be used to document their observations of the company.

Key points for effective team leadership in a call center

Here are some effective key points for becoming an effective team leader:

Be responsible and adaptable

Anyone who takes on leadership duties in a call center should be adaptable in every aspect. Having a senior position does not mean they are in charge of the whole process in the call center.

Good team leaders are willing to acknowledge mistakes and make improvements. Through continuing quality assurance, management may be able to inform them of their errors, which may come as news to them.

A good leader possesses the emotional intelligence to take any criticism, figure out how to adjust, and incorporate feedback into their work style.

Conduct regular coaching and training

When QA analysts conduct quality assurance in your call center, they will find issues at all levels of working procedures. Before a QA system detects problems, agents, team leaders, and supervisors can all contribute to poor customer service.

Based on the data obtained throughout the quality assurance process, team leaders must give coaching and training to service agents. Strong communication skills are essential in this situation, as this helps them connect with team members and guarantees that they understand how to develop.

Improve team experience

Listening to customer service agents’ concerns, resolving their demands, and presenting management with their feedback may all help the entire team feel more appreciated.

A good team leader makes an effort to improve their job experience. They work with management to propose positive improvements in working practices, such as flexible hours, casual attire, and conduct training.

Further, reward programs are an excellent method to motivate employees and increase their passion for their professions.

What is an Operations Manager?

What is an operations manager?

An operations manager (OM) is responsible for the production floor of a company and oversee the production of goods and services. In the BPO industry, most operations manager would have started out as an agent and have worked their way up to being a team leader and then eventually becoming an operations manager.

As part of their oversight over operations, operations managers are expected to stay abreast on developments on local rules and regulations regarding safety, environmental compliance, and labor issues. More fundamentally, however, operations managers are expeted to have great people skills. Not only do they have to maintain awareness over the company's staffing needs, they may also be called to help out with human resources, from hiring, training, to performance appraisals.

Operations manager offshore

A typical operations manager in a BPO company handles team leaders (who in turn handles about 10-15 agents) and would earn around $1,200 per month.

Outsource Accelerator is the most trusted source for independent information & advisory for Business Process Outsourcing (BPO). We have over 3,000 articles, 200+ podcast episodes, and a comprehensive directory with 700+ BPOs… all designed to make it easier for clients to learn about, and engage with outsourcing.

What is Internal Metrics?

Internal metrics are methods introduced and applied to measure the success of inbound or outbound call centers. 

Usually, a call center works in a pressured atmosphere where administrators must handle tasks, including the timely response to every call while maintaining a high degree of customer support and customer loyalty and satisfaction.

Internal metrics are evaluation indicators used for the assessment, comparison, and monitoring of results or output. 

Companies use a group of metrics, often called key performance indicators (KPIs). Using these KPIs, firms create a dashboard that managers or consultants analyze daily to maintain performance reviews, perceptions, and business objectives.

Call center internal metrics 

Call centers use a variety of internal metrics to help paint an accurate picture of their services' efficiency and effectiveness. Using these metrics, call centers can measure:

How many people call in a given period of time Amount of time spent by agents on calls The effectiveness of their processes How much of their revenue each call eats up

Below are some of the most important metrics that call centers can use to determine the quality of their services.

Average Handle Time (AHT)

AHT is the approximate length of the entire customer service transaction, from the time the customer initiates the call until the completion of the conversation.

Blocking Rate

Blockage Metric lets the staff track the number of calls that could not be addressed due to business constraints or infrastructure problems. 

Cost per Contact

The Cost per Contact KPI calculates how much each contact costs your call center, which is a vital part of the cost-benefit study at the same time.

Customer Satisfaction (CSAT)

Consumer Satisfaction (CSAT) is a sign of customer pleasure. CSAT is based on a brief survey that consumers fill out after a discussion.

Forecasted Calls vs. Actual Calls

It is a primary factor in deciding the actual amount of capital needed, calculated as a proportion of the difference between the number of calls predicted and the number of calls received.

Number of Calls Offered

It is the total number of calls sent to the call center, including abandoned calls or calls where the caller gets a busy signal.

Peak-hour traffic

This metric refers to the time period in call center operations when they receive the highest volume of calls. 

Tracking the peak hour in call center operations help managers better manage workloads and manpower during critical work periods.

Internal communication metrics

The metrics discussed above are designed to measure the effectiveness and efficiency of call center processes toward customers.

Equally important are metrics that identify how well a call center’s internal communications work. These metrics are called internal communication metrics.

Because internal communication affects agent performance, call center managers must also keep an eye on how well their agents function as a team.

Some internal communication metrics call center managers can adopt include:

Email open rates Technology adoption rates Employee feedback Traffic variations Device usage Employee turnover rates

Using data from these internal communications metrics can help call center managers to create strategies that can improve agent engagement and productivity.

What is What is business process outsourcing??

What is business process outsourcing (BPO)?

Business process outsourcing (BPO) is the practice of contracting a third-party provider to run a defined business function such as customer support, payroll, accounting, or IT helpdesk. The provider takes ownership of the people, process, and technology, and bills you on a per-seat, per-transaction, or fixed-fee basis.

BPO sits at the intersection of labour arbitrage and operational focus. You hand off a non-core function to a specialist that can run it cheaper, faster, or better, and your in-house team gets to concentrate on what actually moves the business.

The category covers everything from a 4-seat phone team in Cebu answering after-hours calls for a US plumbing firm, to a 5,000-seat captive in Manila handling global claims processing for a Fortune 500 insurer. Same idea, very different scale.

If you've used Apple support, ordered from Amazon, or paid with Wells Fargo, you've talked to a BPO provider — you just didn't know it.

How it works

A BPO engagement runs in three layers: contract, transition, and steady state. You scope the function, sign a service level agreement that locks in response times, quality thresholds, and pricing, then transition the work through documented playbooks and parallel runs before the provider takes the keys.

Pricing usually falls into one of four shapes:

Model How you pay Best for Per FTE (seat) Fixed monthly rate per agent Steady-volume work like inbound support Per transaction Set fee per call, ticket, or invoice Variable-volume back-office tasks Outcome-based Tied to a KPI like CSAT or collections Mature processes with clean metrics Hybrid Base FTE rate plus variable bonus Long-term partnerships

Location choice drives most of the savings. Sending work to the Philippines or India (offshoring) typically cuts loaded labour cost by 50–70% versus a US in-house team. Sending it to Mexico or Colombia (nearshoring) trims 30–50% while keeping you in roughly the same timezone. Keeping it domestic (onshoring) protects timezone and language fit but barely moves the cost needle.

The provider absorbs the recruiting, training, real estate, tech stack, and compliance burden. You absorb the vendor-management overhead and the risk that comes with handing a function to an outsider.

Examples

The global BPO market hit roughly USD 347.95 billion in 2025 and is projected to grow at a 10.05% CAGR through 2035, according to Precedence Research. That growth is concentrated in a handful of hubs and a handful of named buyers.

Google has used Philippine and Indian BPO partners since 2016 for content moderation, ads review, and customer support — a quiet workforce that scales with each product launch. Meta contracts Accenture and TaskUs in Manila for content moderation; the work pulled enough scrutiny in the early 2020s that Meta eventually broadened its provider base across multiple regions. Wells Fargo has operated a Manila back-office hub since 2011, handling mortgage processing, AML checks, and treasury operations for the US parent. JPMorgan Chase runs large captive and outsourced operations in India and the Philippines for KYC, trade settlement, and analytics.

The Philippines remains the standout English-language hub. According to the IT and Business Process Association of the Philippines, the country's IT-BPM sector generates roughly USD 40 billion in revenue and employs about 1.9 million people, with growth targets pushing past 2.5 million by 2028.

Related terms Outsourcing: the umbrella term; BPO is the back-office and front-office slice that runs whole processes rather than one-off projects. Offshoring: moving work to a distant country (e.g. US to Philippines). A location choice, not a contracting choice. Nearshoring: moving work to a nearby country (e.g. US to Mexico) to keep timezone and culture closer. Knowledge process outsourcing: KPO handles judgment-heavy work like legal research or equity analysis, not transactional tasks. Call center: one delivery format inside BPO, focused on inbound or outbound voice. Back office: the non-customer-facing operations layer that BPO most commonly absorbs. Service level agreement: the contract clause that defines what "good" looks like in a BPO deal. FAQ What is business process outsourcing in simple terms?

BPO is paying another company to run a piece of your business for you, usually a repeatable function like answering support calls, processing invoices, or managing payroll. You keep the brand and the strategy; they run the operation.

What is the difference between BPO and outsourcing?

Outsourcing is the broad category — anything you contract out, including one-off projects. BPO is the subset where a provider runs an ongoing, defined business process end-to-end, typically with its own staff, systems, and SLAs.

Is BPO only about cost savings?

No. Cost is the entry argument, but mature buyers cite access to specialist talent, 24/7 coverage, faster scaling, and freeing in-house leaders to focus on growth as bigger long-term wins. See the directory of vetted providers on Clutch for how the market positions itself today.

What functions do companies outsource most often?

Customer support, IT helpdesk, finance and accounting, payroll, HR administration, content moderation, and data entry top the list. Higher-judgment work like legal research, equity analysis, and medical coding has shifted to KPO providers over the last decade.

Which countries dominate the BPO industry?

The Philippines leads voice and customer experience, India leads IT and analytics, and Latin America (Mexico, Colombia, Costa Rica) leads nearshore work for North American buyers. Eastern Europe serves Western European clients on similar terms.

How do I choose a BPO provider?

Match scale to your volume, check for relevant compliance (ISO 27001, HIPAA, PCI DSS, SOC 2), ask for two reference clients in your industry, and pilot a small scope before committing to a multi-year contract. Walk away from any provider that won't share agent attrition data.

Ready to scope a BPO partner? Outsource Accelerator lists 4,000+ vetted providers across the top global hubs — use the directory to shortlist, compare pricing, and book intro calls without paying a referral fee.

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Outsource Accelerator is the trusted source of independent information, advisory and expert implementation of Business Process Outsourcing (BPO).

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Outsource Accelerator offers the world’s leading aggregator marketplace for outsourcing. It specifically provides the conduit between world-leading outsourcing suppliers and the businesses – clients – across the globe.

The Outsource Accelerator website has over 5,000 articles, 450+ podcast episodes, and a comprehensive directory with 4,700+ BPO companies… all designed to make it easier for clients to learn about – and engage with – outsourcing.

About Derek Gallimore

Derek Gallimore has been in business for 20 years, outsourcing for over eight years, and has been living in Manila (the heart of global outsourcing) since 2014. Derek is the founder and CEO of Outsource Accelerator, and is regarded as a leading expert on all things outsourcing.

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