The verdict in three sentences
In a Toronto accounting firm handling 350 client files, chasing documents eats 2 days a week, close to 90 days of skilled work a year, and far more between February and April. A client portal that captures receipts from a phone, shows HST and corporate tax deadlines and collects e-signatures turns that time into billable work. At Kolonell, this kind of custom application costs 2,500,000 to 15,000,000+ FCFA (3,810 to 22,870+ EUR) depending on complexity, delivered in 10 to 14 weeks.
Where the firm actually loses time
Clients are small businesses in Mississauga and North York, incorporated professionals and a few US subsidiaries. Documents arrive by email, text, shoebox or shared drive links that expire. Staff retype, rename and chase.
| Task | Current time per week | With a client portal (2026 estimate) |
|---|---|---|
| Chasing missing documents | 16 hours | 4 hours (automatic reminders) |
| Sorting and renaming receipts and slips | 8 hours | 2 hours (filed by client and period) |
| Deadline reminders (HST, T2, T4, T1) | 4 hours | 0.5 hour (calendar and notifications) |
| Sending and signing T183 forms and engagement letters | 3 hours | 0.5 hour (e-signature) |
| Answering where is my file questions | 5 hours | 1.5 hours (status visible to client) |
| Total | 36 hours | 8.5 hours |
Canadian deadlines drive the calendar: HST returns monthly, quarterly or annually, T4 slips by end of February, personal T1 returns by April 30, corporate T2 within 6 months of year end, with balance due earlier. A missed date costs the client penalties and the firm its reputation.
Features that matter, by complexity level
Kolonell's grid for custom applications depends on modules and integrations. Final pricing comes on quote after a scoping workshop. For reference, off-the-shelf portals in Canada run about 30 to 80 USD per user per month (2026 order of magnitude), but rarely fit a firm's exact workflow.
| Level | Kolonell budget | Typical features for a firm |
|---|---|---|
| Simple | 2,500,000 to 4,000,000 FCFA (3,810 to 6,100 EUR) | Client space, mobile document upload, filing by period, email reminders |
| Medium | 4,000,000 to 7,000,000 FCFA (6,100 to 10,670 EUR) | Per-client tax calendar, e-signature, messaging, staff dashboard |
| Complex | 7,000,000 to 15,000,000+ FCFA (10,670 to 22,870+ EUR) | Accounting software integration, automatic invoice reading, fee billing, multi-office |
| Maintenance | 35,000 / 75,000 / 120,000 FCFA per month (53 / 114 / 183 EUR) | Fixes, backups, minor changes |
| Hosting, specific connectors | On quote | Depends on volume and software used |
For 350 files, the medium version covers the essentials. Integration with your accounting or tax software (document import, journal export) pushes the project to the complex level, but that is where the biggest gain lies.
Security and compliance: what your clients will ask
A portal stores bank statements, payroll data and SIN numbers. PIPEDA applies, along with CPA Ontario's confidentiality rules, and many clients will ask where data is hosted.
| Requirement | Recommended implementation |
|---|---|
| Authentication | Password plus one-time code by SMS or authenticator app |
| Access rights | Client sees own files, staff see their portfolio, partners see all |
| Encryption | Data encrypted at rest and in transit |
| Activity log | Every upload, download and signature traced |
| Backups | Daily, 6-year retention in line with CRA record-keeping rules |
| Hosting | Canadian region available if clients require it |
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Priya, partner at the firm, bills an average of 180 USD an hour. Her team spends 36 hours a week on collection and chasing, down to 8.5 hours with the portal. The gain is 27.5 hours a week, about 1,250 hours a year over 46 weeks.
If only half of those hours move to billable advisory, bookkeeping or payroll work, the firm recovers 625 hours at 180 USD, about 112,500 USD of extra annual revenue. Add fewer late-filing penalties for clients and capacity for 50 more files without hiring. Even at the complex level, the project pays back within a year.
FAQ
Will older clients really use the portal?
Experience shows about 70% of clients adopt it within 3 months if uploading takes one photo from a phone. For the rest, staff can upload on their behalf.
Can the portal connect to our accounting or tax software?
Yes, if the software offers an API or import format. This is the most variable part of the project, priced on quote after analysis, often 2 to 4 weeks of work.
Is e-signature accepted by the CRA?
The CRA accepts electronic signatures on forms such as the T183 authorisation, provided identity is verified and records are kept. The portal stores the signature log for that purpose.
When can we go live?
Plan 10 weeks for a medium version, 14 weeks with accounting integration. Aim to launch by December so the team is trained before tax season.
What monthly cost after delivery?
Maintenance ranges from 35,000 to 120,000 FCFA (53 to 183 EUR) per month depending on service level. Hosting depends on stored document volume and is priced on quote.
Let's scope your project. Tell us your number of files, your accounting software and your priorities, and we will scope the modules and a 10 to 14 week plan. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
