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Construction contractors · Kitchener-Waterloo

Contractor accountant in Kitchener-Waterloo

Builders in Waterloo Region work on everything from infill housing in Kitchener to industrial buildings along the 401 in Cambridge. The Ontario rules are the same on every job: a 10% holdback, prompt payment that starts with a proper invoice, WSIB coverage that reaches the owner, and HST that becomes payable on its own timetable.

EverStone works with incorporated contractors as a Kitchener-Waterloo small-business accountant, remotely and at a fixed fee.

Quick answer: A Kitchener-Waterloo contractor tracks the Construction Act’s 10% holdback on both sides of the ledger. It charges 13% HST on progress billings as each amount is paid or falls due, and files T5018 slips for subcontractor payments within six months of the reporting period. It also carries WSIB coverage that in construction usually extends to owners. EverStone handles the books, the T2 and those filings remotely at a fixed fee. Published fees start at $325 a month for bookkeeping and $125 for a personal return.

For a one-owner Kitchener-Waterloo contractor, monthly bookkeeping, payroll and the year-end T2 with statements usually cost from $500 to $700 a month all-in.

On this page
  1. Holdback, and what it does to the books
  2. Progress billing, and when HST becomes payable
  3. Subcontractors, T5018s and classification
  4. WSIB reaches the owner in construction
  5. Equipment, vehicles and a winter season
  6. What EverStone handles for you
  7. Fixed fees, fully online
  8. What an Ontario contractor has to get right
  9. Remote contractor accounting
  10. Kitchener-Waterloo accounting for construction contractors FAQ

Holdback, and what it does to the books

Ontario’s Construction Act requires the payer to hold back 10% of the value of the work until release. If you receive the payment, that amount is earned but not yet collectible: track it in its own receivable, job by job. If you pay subtrades, what you hold back is a cost already incurred and a liability due on release.

Left untracked, holdback distorts the margin on the job that earned it and makes the bank balance look healthier than it is. The Act also treats money received on a project as held in trust for the subtrades and suppliers who worked on it, which is one more reason to know which dollars belong to which job. Holdbacks in the books works through the entries.

Progress billing, and when HST becomes payable

A progress invoice does not always make HST owing on the full amount that period. HST generally becomes payable when the consideration is paid or due, whichever is first; on the held-back portion, generally not until the holdback is paid or falls due.

Remitting HST on the full invoice, holdback included, pays the government early. Missing it when the holdback is released under-remits. We match the HST return to billings and releases. At Ontario’s 13% the arithmetic is simple; the timing is the hard part.

The Act’s prompt payment deadlines run from the day a proper invoice is given. An invoice missing what the contract requires can delay the clock, so invoice discipline is a cash-flow matter.

Subcontractors, T5018s and classification

A business mainly in construction reports subcontractor payments for construction services on T5018 slips, due six months after the reporting period ends (calendar or fiscal year). Each slip needs the subcontractor’s name, address and business number, easiest to collect at set-up. The harder question is whether each person is a subcontractor at all.

Control, ownership of tools, the ability to hire help and the chance of profit or loss decide it. If the CRA disagrees with the label, the payer owes the CPP and EI that should have been withheld (employee or contractor sets out the tests). The T5018 subcontractor tracker helps keep the list current.

WSIB reaches the owner in construction

Ontario extends compulsory WSIB coverage in construction to independent operators, sole proprietors, partners and executive officers. Exceptions are narrow (such as work only on a homeowner’s own residence, hired directly), so most contractors on commercial or new-build work need owner coverage. Get each sub’s clearance certificate before paying, or you can be liable for their unpaid premiums. Employee payroll is covered on payroll in Kitchener-Waterloo.

Equipment, vehicles and a winter season

Excavators, trailers, pickups and tools are written off through capital cost allowance, by class, and a purchase near year-end changes the first-year claim. Mixed-use vehicles need a log. Winter slows exterior work, so revenue bunches into the season while instalments follow the calendar; a strong year can bring a large balance owing and instalments due before next season’s receivables. We model that in the autumn. See corporate tax instalments and the mileage and vehicle log.

Institutional and industrial bids often need surety bonds, and bonding companies read year-end statements closely: working capital, work in progress, and consistent profit recognition on open jobs. A job schedule tied to the ledger, with holdback shown separately, answers most of their questions.

What EverStone handles for you

One firm, one fixed fee agreed up front:

  • T2 corporate return and year-end financial statements
  • Holdback receivable and payable schedules, job by job
  • HST filings matched to progress billing and holdback releases
  • T5018 subcontractor information returns
  • Subcontractor-versus-employee positions documented
  • Equipment and vehicle CCA schedules
  • Instalments planned around the building season

Fixed fees, fully online

Everything runs by video, phone and secure upload, which suits a business run from a truck. A typical trades-corporation bundle of bookkeeping, payroll and the year-end T2 with statements is usually $500–$700 a month. See what it costs.

About this article
EverStone CPA

Prepared and reviewed by a CPA at EverStone CPA, serving businesses in BC, Alberta, Ontario and Manitoba. Updated . About the firm  ·  Send an enquiry

What an Ontario contractor has to get right

What an Ontario contractor has to get right The items that decide a contractor’s year — for a business operating in Kitchener-Waterloo, Ontario
ItemWhy it matters
HoldbackThe Construction Act’s 10% holdback is earned revenue that is not yet collectible
HST timingTax on progress billings is payable when paid or due; tax on holdback waits for its release
T5018 slipsConstruction payments to subcontractors, reported six months after the period ends
WSIBCompulsory coverage in construction usually includes owners and officers
Sales tax where you operate13% HST, a single registration and a single return

Source: Construction and trades accounting. General information, not advice.

Other services for Kitchener-Waterloo businesses: personal tax.

For the national picture, see accounting for contractors in BC, Alberta, Ontario and Manitoba.

Remote contractor accounting

Contractor accounting for Kitchener-Waterloo clients is remote. There is no Kitchener-Waterloo office and no local team. Meetings are virtual, documents e-signed, and you deal with the CPA directly. Subcontractor payments, holdbacks and equipment costs are tracked as they happen.

Common questions

Kitchener-Waterloo accounting for construction contractors FAQ

Do Kitchener-Waterloo contractors file T5018s?+
If construction is your main business and you pay subcontractors for construction services, generally yes, within six months of the end of the reporting period. Ask about your case →
Do I remit HST on the holdback when I invoice?+
Generally not. The HST on a holdback becomes payable when the holdback is paid or falls due, so it belongs on the return for that later period.
Does an owner with no employees need WSIB?+
In Ontario construction, usually yes. Compulsory coverage extends to independent operators, sole proprietors, partners and executive officers, with limited exceptions such as work done directly for a homeowner on their own residence.
How should holdbacks be treated at year-end?+
As earned revenue not yet collectible on the receiving side, and as a cost already incurred on the paying side. Both belong in the period the work was done.
Should my contracting business be incorporated?+
Often, once profit is more than the owner needs to live on, because income left in the company is taxed at the lower small-business rate. It also adds a T2, the Ontario annual return and more bookkeeping. Incorporation decision walks through the trade-off.
Do you work with trades across Waterloo Region?+
Yes — Kitchener, Waterloo, Cambridge and the townships, and across Ontario. Everything is handled online, which fits around a site schedule.
What does an accountant cost for a Kitchener-Waterloo construction business?+
Kitchener-Waterloo businesses pay the same published fees as everyone else. Monthly bookkeeping starts from $325 a month and a personal return from $125; a corporate return is quoted after we review your enquiry. A single question can go to a 45-minute Advice Call, a flat fee of $225 + GST. Every fee is fixed in writing first. See the published fees.

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Starting fees

Every fee is fixed in writing before any work begins.

  • Monthly bookkeeping, HST filing includedfrom $325 a month
  • Payroll, remittances, T4s and ROEsincluded in monthly bookkeeping
  • Books, payroll and the year-end T2 together$500–$700 a month
  • Corporate year-end and T2 returnfixed fee, quoted in writing
  • Personal tax return (T1)from $125; self-employed or rental $275–$500
  • Catch-up bookkeepingfrom $2,200 per year of records
  • Controller or CFO supportcontroller from $1,650, CFO from $2,750 a month
  • One-off advice call with a CPA$225 plus applicable tax

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