Ranked by combined financial impact and frequency. Where official evidence supports the ranking, it's cited; the ranking itself is professional judgment.
01
Bidding before registering
Responding to a tender without SAP Business Network registration, Controlled Goods registration, or required screening. Official timelines make recovery impossible within a solicitation window.
Fix
Complete the registration spine before you need it — not when the tender drops.
02
Treating security & cyber as post-contract problems
CPCSC Level 1 appears in select defence contracts from summer 2026 (required at award); Level 2 phases in from 2027. Screening cannot be obtained after award within any useful timeframe.
Fix
Budget compliance as market-entry capital expenditure, not overhead.
03
Confusing program funding with procurement
Assuming an IDEaS or ISC award means DND will buy the product. The DIS itself commits to improving the pathway from innovation programs to acquisition — an admission the path is weak.
Fix
Treat program wins as funded R&D and reference-building. Plan the commercialization bridge explicitly.
04
Building for DND alone
Concentrating on a single defence use case with no commercial line. Defence schedules slip by years; the fighter program grew from $19B to $27.7B in about two years.
Fix
Keep the dual in dual-use. Defence should be your hardest customer, not your only one.
05
Ignoring the ITB economy
Pitching primes on product features instead of obligation value. SMEs historically captured only 12.2% of ITB transaction value.
Fix
Learn to speak ITB — multipliers, Canadian IP, SMB boost credits. That's the language primes' proposal teams are scored in.
06
Misreading timelines as personal exceptions
Assuming official processing times apply to other people. Screening clocks start only on properly completed requests; personnel screening is only available against a live contractual requirement.
Fix
Plan from the published numbers, then add contingency.
07
Chasing every program
Applying to SRF as a startup (the $10M minimum is a hard floor), RDII as pre-revenue, or CDIR without production capability.
Fix
Use the stage-fit map. Two or three matched programs beat eight mismatches.
08
Neglecting IP hygiene
Letting IP ownership drift to foreign parents, investors, or universities in ways that undermine Canadian Content Value and the Canadian Company Boost.
Fix
Keep IP Canadian-owned and documented. It's now a priced asset in this market.
09
Writing commercial-marketing proposals
Government evaluators score against mandatory criteria and Essential Outcomes. ISC proposals missing any Essential Outcome are set aside as non-responsive.
Fix
Answer the challenge notice line by line. Save the pitch deck for investors.
10
Assuming policy equals execution
Building a plan that requires the DIA to hit stride, BOREALIS to fund your area on schedule, or the 70% target to materialize on time.
Fix
Plan to the policy's direction, hedge on its timing, keep program-funded revenue as your base case.
Avoid these by sequencing properly
Most of these ten mistakes trace back to the same root cause: bidding, applying, or contracting before the previous stage is done. Follow the roadmap.