Conversion of Company Type (S.18)
Convert Private to Public or vice versa: SR, alter AOA, file INC-27. Conversion of Company Type (S.18) takes 5 steps over about 111 days and is filed with the ROC on INC-27 and MGT-14.
Last updated: 10 August 2026
What if it’s filed late?
MCA charges additional fees that rise with the delay, up to 12 times the normal filing fee. OnCompliance tracks the date and warns you before it costs anything.
What is the timeline for Conversion of Company Type (S.18)?
5 steps over about 111 days, filing INC-27 and MGT-14 with the ROC. Each deadline below runs from the step before it.
| # | Step | Form filed | Deadline |
|---|---|---|---|
| 1 | Board Recommends Conversion | None | within 7 days |
| 2 | Pass Special Resolution | None | within 30 days |
| 3 | Alter Articles of Association | None | within 14 days |
| 4 | File INC-27 with ROC | INC-27 | within 30 days |
| 5 | File MGT-14 | MGT-14 | within 30 days |
What are the steps, in order?
The 5 steps below run in order; the day counts show how long each one allows.
Board Recommends Conversion
Board recommends conversion and alteration of AOA.
Pass Special Resolution
Members pass SR for conversion.
Alter Articles of Association
Amend AOA to comply with new company type requirements (min directors, members, etc.).
File INC-27 with ROC
File application for conversion with ROC.
File MGT-14
File SR with ROC.
Every guide runs like this in OnCompliance: steps in order, dates in view, paperwork made for you at each step.
Common questions
How long does Conversion of Company Type (S.18) take?
About 111 days across 5 steps. The first step is: Board Recommends Conversion.
Which MCA forms are filed for Conversion of Company Type (S.18)?
INC-27 and MGT-14. MGT-14 is the filing of resolutions filing under §117 of the Companies Act 2013.
What does it cost if INC-27 and MGT-14 are filed late?
MCA charges additional fees that rise with the delay, up to 12 times the normal filing fee.
Can OnCompliance run Conversion of Company Type (S.18) for me?
Yes. OnCompliance runs the same steps in order, dates in view, with the paperwork made for you at each step.