IT Services Firm Entity Structure: The LLC, the S Election, the Consulting Line That Needs Its Own Books, and the Technicians in Four States

IT services firms decide their entity with a cyber policy, a consulting percentage, and a payroll map. The liability floor — changed by cyber: an MSP holds administrative access to every client's systems, and a breach through the MSP is the industry's defining exposure (the supply-chain attacks of recent years targeted MSPs precisely because of it) — a client's losses from a breach traced to the MSP's credentials or its tools produce claims the firm's technology E&O and cyber policies respond to, with the limits clients now require in their contracts; add the botched migration, the failed backup discovered at the worst moment, the employment claims of a remote workforce, and the lease; the LLC or corporation separates the firm's liabilities from the owner's personal assets, with cyber liability at the contracted limits, technology E&O, general liability, employment practices, and the umbrella as the first line — and the contract's limitation-of-liability clause as the second. The tax structures (the LLC cost guide): the solo consultant's LLC disregarded (Schedule C) or with the S election (a payroll for one); the MSP's LLC or corporation as an S corporation (the payroll exists — technicians and help desk — so the election's cost is the 1120-S and basis tracking); a partnership for co-founders; and the C corporation — considered by a firm building a software product alongside its services (the e-commerce entity guide's section 1202 and retained-earnings logic applies to a firm whose product line may be the exit) and by a firm raising outside capital. The reasonable salary for an owner: an employed IT director's, services manager's, or senior engineer's compensation (the technology labor market is deep and well documented — US$120,000 to US$200,000 for a director-level role in most markets) plus the owner's business development and management component; documented and revisited; and an owner who is also the firm's senior engineer carries a salary close to the market for that role. The saving: payroll tax avoided on the distribution portion — an owner netting US$400,000 with a US$160,000 salary saves the 2.9 percent Medicare tax on the distribution plus the Social Security tax on the slice of the wage base the salary leaves unused (about US$9,100) — modest at that profit; a solo consultant netting US$150,000 with a US$115,000 salary saves payroll tax on US$35,000 (about US$3,600 — against a new payroll for one and the QBI cost of the salary). The specified-service question — the consulting line and the separation: an MSP's managed services, project implementation, and resale are not "consulting" under the regulations (the IT services deductions guide — the performance of services other than advice, and advice ancillary to non-consulting services with no separate charge, are excluded), and a firm whose separately charged advisory receipts are under the de minimis share (10 percent of receipts where gross receipts are US$25 million or less; 5 percent above) is not an SSTB — the QBI deduction applies at every income, subject above the threshold to the wage-and-property limitation the staff payroll satisfies; but a firm whose advisory line has grown past the de minimis share is an SSTB in full — every dollar of managed services income loses the deduction above the range — unless the advisory practice is a separate trade or business: its own entity (or its own separately maintained books and records within one entity, though the separate entity is the cleaner structure), its own staff (the consultants), its own contracts and invoices, and shared services (the office, the administration) charged between the businesses at cost; with the separation, the managed services business keeps the deduction and the advisory business is the SSTB — the second set of books the deductions guide describes, and the reason a growing MSP tracks its advisory share quarterly. The remote workforce and the entity's registrations: an MSP with technicians in four states is an employer in four states — withholding and unemployment registration in each, workers' compensation coverage for each (a policy that covers the employee's state), the state's paid-leave and other employment-law obligations for each — and, because an employee in a state creates income tax nexus for the firm in most states, an income tax filing in each (the consulting multistate guide's framework — the S corporation's composite or nonresident filings for the owner, or the state's pass-through entity tax where it helps; the corporation's own apportioned returns); the entity is the registrant, and a firm hiring across state lines has a registration checklist that precedes the offer letter — the payroll-by-state roster the deductions guide describes is the entity's compliance map. The qualified business income deduction (non-SSTB firm): the deduction at every income, the staff's W-2 wages supporting the limitation above the threshold, and the S election's salary as a QBI cost (set at the bottom of the defensible range — the architecture entity guide's arithmetic). The models. The solo consultant: the LLC on Schedule C below about US$110,000 of net (a new payroll for one; the QBI cost; a full deduction below the threshold — and the solo consultant's own classification question: a consultant whose work is advice is an SSTB; one whose work is implementation is not — the de minimis rule applied to a one-person firm); the S election above about US$140,000, and necessary above the threshold for the wage limitation if the firm is not an SSTB. The MSP with staff: the S corporation with a director's salary plus management; the staff's wages supporting the limitation; the payroll registered in every technician's state; the advisory share tracked. The firm whose advisory line outgrew the rule: the advisory practice separated into its own entity — the consultants' employment moved, the advisory contracts assigned, the shared services agreement written — with the MSP entity keeping the QBI deduction and the advisory entity as the SSTB (whose owners' deduction phases out across the range above the threshold under its own arithmetic); the timing of the separation before the year in which the share crosses the line, because the SSTB determination is annual. The exit: MSPs are acquired by larger MSPs and private equity platforms at multiples of recurring revenue or EBITDA (the recurring managed-services contracts are the value; project and hardware revenue is discounted), and the buyer wants the contracts assignable, the tool stack documented, the payroll clean in every state, and the sales tax registrations current — an asset sale from a pass-through (single-taxed; the section 197 guide for the buyer's amortization of the customer contracts and goodwill) or a stock sale where the buyer accepts the entity's history; a firm with a software product may have a section 1202 case if it converted to a C corporation five years ahead. The annual re-run: profit, the salary against the technology market and the QBI cost, the advisory share against the de minimis rule, the payroll roster by state, the cyber limits against the clients' contracts, and the exit horizon — revisited each January.

Key takeaways

• Cyber risk changed the liability floor: an MSP holds every client's keys — cyber liability at the contracted limits, technology E&O, and the contract's limitation clause behind the LLC or corporation.
• Reasonable salary is an employed IT director's or senior engineer's compensation plus management — a deep, documented market — set at the bottom of the defensible range because the QBI cost pulls it down.
• Managed services, implementation, and resale are not consulting; separately charged advisory is — and a firm whose advisory share passes the de minimis line (10 percent under US$25 million of receipts) is an SSTB in full unless the advisory practice is separated into its own business before the year it crosses.
• A remote workforce makes the entity a registrant in every technician's state — payroll, unemployment, workers' compensation, and income tax — with the checklist preceding the offer letter.
• The payroll exists for any MSP with staff; the solo consultant above the threshold needs the S election's salary as wages if the firm is not an SSTB.
• The exit is an asset sale at a multiple of recurring revenue — contracts assignable, payroll and sales tax clean in every state; a software product line may justify a C corporation five years ahead.

The IT services firm's entity worksheet

Coverage (cyber at contracted limits, tech E&O, GL, EPL, umbrella); contract limitation clauses. Payroll in place (or created for one); payroll roster by state with registrations. Owner's salary from the technology market — bottom of the defensible range. Distribution portion; payroll tax saved. Election costs (1120-S, payroll, basis tracking, state layers). Advisory share of receipts vs the de minimis rule; separation plan if approaching. QBI: deduction under each structure; salary's exclusion cost; wage limitation above the threshold. Multistate income tax filings; PTE election. Exit horizon: asset sale vs C corporation for a product line. Net result. Fifteen minutes each January, with the advisory-share report and the payroll roster open.

Worked example

Three firms. One: a solo implementation consultant netting US$130,000 — migrations and builds, no advisory — a single-member LLC (formed for the tech E&O exposure), Schedule C, not an SSTB (implementation is not consulting), the full QBI deduction below the threshold; the S election worksheet (a US$110,000 senior engineer's salary, a US$20,000 distribution, about US$1,500 saved against a new payroll for one and the QBI cost of the salary) says not yet. Two: an MSP with eleven employees in four states netting US$380,000 to the owner, advisory at 5.8 percent of receipts — an S corporation: a US$155,000 IT director's salary plus management (the bottom of the range), a US$225,000 distribution saving about US$9,300 in payroll tax, the staff's payroll supporting the QBI limitation above her threshold, withholding and unemployment registered in all four states with income tax filings in each (the pass-through entity tax elected in two), cyber liability at the US$2 million her largest client's contract requires, and the advisory share reported to her quarterly. Three: an MSP whose virtual CIO practice grew to 13 percent of receipts last year — the whole firm an SSTB for that year, and above the range the owners lost the QBI deduction on the profit from US$2.4 million of managed services receipts; this year the advisory practice is a separate LLC with its own three consultants, its own contracts, and a shared services agreement charging it for the office and administration at cost (the regulations treat the slice of a 50-percent-commonly-owned business that serves an SSTB as an SSTB itself — at cost, a slice with no profit) — the profit on the MSP entity's US$2.6 million of managed services, projects, and resale receipts is qualified business income again, and the advisory entity's US$400,000 is the SSTB under its own arithmetic; the separation was completed in January so the annual determination runs on a full year. Three firms, one regulation, and the second set of books restored a deduction the first firm never risked and the third had already lost.

Official sources

The IRS states: “S corporations are corporations that elect to pass corporate income, losses, deductions, and credits through to their shareholders for federal tax purposes. Shareholders of S corporations report the flow-through of income and losses on their personal tax returns and are assessed tax at their individual income tax rates.” — Internal Revenue Service, S corporations, https://www.irs.gov/businesses/small-businesses-self-employed/s-corporations

The IRS FAQs state: “There is a de minimis rule for a single trade or business that has income from both specified service activities and other activities.” — Internal Revenue Service, Section 199A qualified business income deduction FAQs, https://www.irs.gov/newsroom/tax-cuts-and-jobs-act-provision-11011-section-199a-qualified-business-income-deduction-faqs

Practitioner note

An IT services firm's entity decision has a line item the other trades don't watch: the advisory share of receipts, because operating and implementing systems is not consulting under the regulations but separately charged advice is, and the day the advisory line passes the de minimis share the whole firm is a specified service trade. Our MSP worksheets track that share quarterly, separate the advisory practice into its own entity before the year it crosses, register the entity in every state a technician lives in before the offer letter goes out, and set the owner's salary at the bottom of the technology market's defensible range — because the QBI cost of the salary can outweigh the payroll-tax saving for a firm that kept the deduction.

See also: For related guidance, see how the SSTB phase-out differs from the non-SSTB limitation; and browse every small business tax guide, by situation.

Next step

Fairlight Accounting is a cross-border accounting and tax practice with a U.S. Tax Desk and a Canadian Tax Desk. Our U.S. Tax Desk handles IT services and MSP entity planning — LLC formation with cyber and technology E&O coverage at contracted limits, the S election worksheet with technology-market compensation and QBI cost analysis, advisory-line separation into a distinct business before the SSTB de minimis threshold, multistate payroll and income tax registration for remote workforces, and exit structuring for recurring-revenue acquisitions. See pricing or book a call.